From 1262e1b56417a2658e3209020779cc821bfbd887 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Wed, 29 Sep 2021 17:38:47 -0300
Subject: [PATCH 01/10] create/edit audience filters for notifications

---
 classes/notifications_table.php    |   5 +-
 classes/output/form/audience.php   | 150 +++++++++++++++++++++++++++++
 db/install.xml                     |  44 ++++++++-
 db/upgrade.php                     |  63 +++++++++++-
 lang/en/block_advnotifications.php |   7 ++
 pages/audience.php                 | 108 +++++++++++++++++++++
 version.php                        |   2 +-
 7 files changed, 373 insertions(+), 6 deletions(-)
 create mode 100644 classes/output/form/audience.php
 mode change 100644 => 100755 db/install.xml
 create mode 100644 pages/audience.php

diff --git a/classes/notifications_table.php b/classes/notifications_table.php
index 086a1ed..4f7929b 100644
--- a/classes/notifications_table.php
+++ b/classes/notifications_table.php
@@ -70,7 +70,8 @@ public function col_actions($values) {
                     <input type="hidden" class="delete_notification_blockid" name="blockid" value="' . $values->blockid . '">
                     <button type="submit" class="delete_notification_delete icon fa fa-trash-o fa-fw" name="delete"
                         title="' . get_string('advnotifications_delete_label', 'block_advnotifications') . '"></button>
-                </form>';
+                </form>
+                <a href="'. (new moodle_url('/blocks/advnotifications/pages/audience.php', ['id' => $values->id])).'"><i class="icon fa fa-users"/></a>';
         }
     }
-}
\ No newline at end of file
+}
diff --git a/classes/output/form/audience.php b/classes/output/form/audience.php
new file mode 100644
index 0000000..4d6b20d
--- /dev/null
+++ b/classes/output/form/audience.php
@@ -0,0 +1,150 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Reports form.
+ *
+ * @package   block_advnotifications
+ * @copyright 2020 Daniel Neis Araujo <daniel@adapta.online>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace block_advnotifications\output\form;
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/formslib.php');
+
+use moodleform;
+
+/**
+ * Audience form class.
+ *
+ * @package   block_advnotifications
+ * @copyright 2020 Daniel Neis Araujo <daniel@adapta.online>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class audience extends moodleform {
+
+    public function definition() {
+        global $DB;
+
+        $mform = $this->_form;
+
+  //      $mform->addElement('hidden', 'id');
+  //      $mform->setType('id', PARAM_INT);
+
+        $options = [];
+        $values = [];
+
+        $notificationid = $this->_customdata['notificationid'];
+
+        $cohortssql =
+            'SELECT c.id, c.name, nc.id as inuse
+               FROM {cohort} c
+          LEFT JOIN {block_advnotifications_coh} nc
+                 ON c.id = nc.cohortid AND nc.notificationid = ?';
+        $cohorts = $DB->get_records_sql($cohortssql, [$notificationid]);
+        foreach ($cohorts as $c) {
+            $options[$c->id] = $c->name;
+            if (!is_null($c->inuse)) {
+                $values[] = $c->id;
+            }
+        }
+
+        $autocomplete = $mform->addElement(
+            'autocomplete',
+            'cohorts',
+            get_string('cohorts', 'cohort' ),
+            $options,
+            ['multiple' => true]
+        );
+        $autocomplete->setSelected($values);
+
+        $roles = role_get_names();
+        $selectedroles = $DB->get_fieldset_select('block_advnotifications_roles', 'roleid', 'notificationid = ?', [$notificationid]);
+        $options = [];
+        $values = [];
+        foreach ($roles as $r) {
+            $options[$r->id] = $r->localname;
+            if (in_array($r->id, $selectedroles)) {
+                $values[] = $r->id;
+            }
+        }
+        $autocomplete = $mform->addElement(
+            'autocomplete',
+            'roles',
+            get_string('roles'),
+            $options,
+            ['multiple' => true]
+        );
+        $autocomplete->setSelected($values);
+
+        $elements = [
+            $mform->createElement('select', 'userfield', '', $this->filter_options()),
+            $mform->createElement('select', 'operator', '', $this->operator_options()),
+            $mform->createElement('text', 'fieldvalue', '', ['size' => 12]),
+        ];
+        $filters = $mform->createElement('group', 'userfieldfilters', get_string('filter_userfield', 'block_advnotifications'), $elements);
+
+        $rules = [
+            'userfieldfilters[userfield]' => ['type' => PARAM_TEXT],
+            'userfieldfilters[operator]' => ['type' => PARAM_TEXT],
+            'userfieldfilters[fieldvalue]' => ['type' => PARAM_TEXT]
+        ];
+        $this->repeat_elements([$filters], $this->_customdata['filterscount'], $rules,
+            'filterscount', 'adduserfieldfilter', 1, get_string('adduserfieldfilter', 'block_advnotifications'));
+
+        $this->add_action_buttons();
+    }
+
+    protected function filter_options() {
+        global $DB;
+
+        $filters = [
+            'id'          => 'id',
+            'username'    => get_string('username'),
+            'idnumber'    => get_string('idnumber'),
+            'firstname'   => get_string('firstname'),
+            'lastname'    => get_string('lastname'),
+            'fullname'    => get_string('fullnameuser'),
+            'email'       => get_string('email'),
+            'phone1'      => get_string('phone1'),
+            'phone2'      => get_string('phone2'),
+            'institution' => get_string('institution'),
+            'department'  => get_string('department'),
+            'address'     => get_string('address'),
+            'city'        => get_string('city'),
+            'timezone'    => get_string('timezone'),
+            'url'         => get_string('webpage'),
+        ];
+
+        if ($profilefields = $DB->get_records('user_info_field', [], 'sortorder ASC')) {
+            foreach ($profilefields as $f) {
+                $filters['profile_field_' . $f->shortname] = format_string($f->name);
+            }
+        }
+
+        return $filters;
+    }
+
+    protected function operator_options() {
+        return [
+          'beginwith' => get_string('operator_beginwith', 'block_advnotifications'),
+          'contains' => get_string('operator_contains', 'block_advnotifications'),
+          'equals' => get_string('operator_equals', 'block_advnotifications')
+        ];
+    }
+}
diff --git a/db/install.xml b/db/install.xml
old mode 100644
new mode 100755
index 9637414..46987a1
--- a/db/install.xml
+++ b/db/install.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" PATH="blocks/advnotifications/db" VERSION="20160704" COMMENT="XMLDB file for Moodle blocks/advnotifications" xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd">
+<XMLDB PATH="blocks/advnotifications/db" VERSION="20210929" COMMENT="XMLDB file for Moodle blocks/advnotifications"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
+>
   <TABLES>
     <TABLE NAME="block_advnotifications" COMMENT="A record of all advanced notifications">
       <FIELDS>
@@ -36,5 +39,42 @@
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
       </KEYS>
     </TABLE>
+    <TABLE NAME="block_advnotifications_coh" COMMENT="Default comment for the table, please edit me">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
+        <FIELD NAME="notificationid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="cohortid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+        <KEY NAME="notificationid" TYPE="foreign" FIELDS="notificationid" REFTABLE="block_advnotifications" REFFIELDS="id"/>
+        <KEY NAME="cohortid" TYPE="foreign" FIELDS="cohortid" REFTABLE="cohort" REFFIELDS="id"/>
+      </KEYS>
+    </TABLE>
+    <TABLE NAME="block_advnotifications_field" COMMENT="Default comment for the table, please edit me">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
+        <FIELD NAME="notificationid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="userfield" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="operator" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="fieldvalue" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+        <KEY NAME="notificationid" TYPE="foreign" FIELDS="notificationid" REFTABLE="block_advnotifications" REFFIELDS="id"/>
+      </KEYS>
+    </TABLE>
+    <TABLE NAME="block_advnotifications_roles" COMMENT="Default comment for the table, please edit me">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
+        <FIELD NAME="notificationid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+        <KEY NAME="notificationid" TYPE="foreign" FIELDS="notificationid" REFTABLE="block_advnotifications" REFFIELDS="id"/>
+        <KEY NAME="roleid" TYPE="foreign" FIELDS="roleid" REFTABLE="role" REFFIELDS="id"/>
+      </KEYS>
+    </TABLE>
   </TABLES>
-</XMLDB>
\ No newline at end of file
+</XMLDB>
diff --git a/db/upgrade.php b/db/upgrade.php
index 171043f..8d17ef6 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -102,7 +102,68 @@ function xmldb_block_advnotifications_upgrade($oldversion) {
         upgrade_block_savepoint(true, 2021010616, 'advnotifications');
     }
 
+    if ($oldversion < 2021101400) {
+
+        // Define table block_advnotifications_coh to be created.
+        $table = new xmldb_table('block_advnotifications_coh');
+
+        // Adding fields to table block_advnotifications_coh.
+        $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
+        $table->add_field('notificationid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
+        $table->add_field('cohortid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
+
+        // Adding keys to table block_advnotifications_coh.
+        $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);
+        $table->add_key('notificationid', XMLDB_KEY_FOREIGN, ['notificationid'], 'block_advnotifications', ['id']);
+        $table->add_key('cohortid', XMLDB_KEY_FOREIGN, ['cohortid'], 'cohort', ['id']);
+
+        // Conditionally launch create table for block_advnotifications_coh.
+        if (!$dbman->table_exists($table)) {
+            $dbman->create_table($table);
+        }
+
+                // Define table block_advnotifications_field to be created.
+        $table = new xmldb_table('block_advnotifications_field');
+
+        // Adding fields to table block_advnotifications_field.
+        $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
+        $table->add_field('notificationid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
+        $table->add_field('userfield', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null);
+        $table->add_field('operator', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null);
+        $table->add_field('fieldvalue', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null);
+
+        // Adding keys to table block_advnotifications_field.
+        $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);
+        $table->add_key('notificationid', XMLDB_KEY_FOREIGN, ['notificationid'], 'block_advnotifications', ['id']);
+
+        // Conditionally launch create table for block_advnotifications_field.
+        if (!$dbman->table_exists($table)) {
+            $dbman->create_table($table);
+        }
+
+        // Define table block_advnotifications_roles to be created.
+        $table = new xmldb_table('block_advnotifications_roles');
+
+        // Adding fields to table block_advnotifications_roles.
+        $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
+        $table->add_field('notificationid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
+        $table->add_field('roleid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
+
+        // Adding keys to table block_advnotifications_roles.
+        $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);
+        $table->add_key('notificationid', XMLDB_KEY_FOREIGN, ['notificationid'], 'block_advnotifications', ['id']);
+        $table->add_key('roleid', XMLDB_KEY_FOREIGN, ['roleid'], 'role', ['id']);
+
+        // Conditionally launch create table for block_advnotifications_roles.
+        if (!$dbman->table_exists($table)) {
+            $dbman->create_table($table);
+        }
+
+        // Advnotifications savepoint reached.
+        upgrade_block_savepoint(true, 2021101400, 'advnotifications');
+    }
+
     // Add future upgrade points here.
 
     return true;
-}
\ No newline at end of file
+}
diff --git a/lang/en/block_advnotifications.php b/lang/en/block_advnotifications.php
index 46957e5..bb4e71b 100644
--- a/lang/en/block_advnotifications.php
+++ b/lang/en/block_advnotifications.php
@@ -150,9 +150,16 @@
 
 // Misc.
 $string['advnotifications_join'] = ' & ';
+$string['adduserfieldfilter'] = 'Add another user field filter';
+$string['audiencesaved'] = 'Audience save successfully.';
+$string['editing_audiences'] = 'Editing audiences';
 $string['event_notification_created'] = 'Advanced notification created';
 $string['event_notification_deleted'] = 'Advanced notification deleted';
 $string['event_notification_updated'] = 'Advanced notification updated';
+$string['filter_userfield'] = 'User field';
+$string['operator_beginwith'] = 'Begin with';
+$string['operator_contains'] = 'Contains';
+$string['operator_equals'] = 'Equals';
 
 // Privacy API.
 $string['privacy:metadata:block_advnotifications'] = 'Information about notifications the user has been exposed to and recorded interactions.';
diff --git a/pages/audience.php b/pages/audience.php
new file mode 100644
index 0000000..c067993
--- /dev/null
+++ b/pages/audience.php
@@ -0,0 +1,108 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Manage notifications audiences.
+ *
+ * @package   block_advnotifications
+ * @copyright 2021 Daniel Neis Araujo <daniel@adapta.online>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require_once('../../../config.php');
+
+$id = required_param('id', PARAM_INT);
+
+$notification = $DB->get_record('block_advnotifications', ['id' => $id]);
+
+if ($notification->blockid) {
+    $bcontext = context_block::instance($notification->blockid);
+    $ctx = $bcontext->get_course_context(false);
+}
+if (empty($ctx)) {
+    $ctx = context_system::instance();
+}
+
+require_login();
+
+$url = new moodle_url('/blocks/advnotifications/pages/audience.php', ['id' => $id]);
+
+$str = get_string('editing_audiences', 'block_advnotifications');
+
+$manageurl = new moodle_url('/blocks/advnotifications/pages/notifications.php');
+
+$PAGE->set_context($ctx);
+$PAGE->set_pagelayout('standard');
+$PAGE->set_url($url);
+$PAGE->set_title($str);
+$PAGE->set_heading($str);
+
+$PAGE->navbar->add(get_string('blocks'));
+$PAGE->navbar->add(get_string('pluginname', 'block_advnotifications'));
+$PAGE->navbar->add(get_string('advnotifications_table_title_short', 'block_advnotifications'), $manageurl);
+$PAGE->navbar->add($str);
+
+$output = $PAGE->get_renderer('block_advnotifications');
+
+// TODO!
+$userfieldfilters = $DB->get_records('block_advnotifications_field', ['notificationid' => $id]);
+$notification->userfieldfilters = [];
+foreach ($userfieldfilters as $f) {
+    $notification->userfieldfilters[] = [
+        'userfield' => $f->userfield,
+        'operator' => $f->operator,
+        'fieldvalue' => $f->fieldvalue,
+    ];
+}
+if ($userfieldfilters) {
+    $filterscount = count($userfieldfilters);
+} else {
+    $filterscount = 1;
+}
+$form = new \block_advnotifications\output\form\audience($url->out(false),
+    ['notificationid' => $id, 'filterscount' => $filterscount]);
+
+if ($form->is_cancelled()) {
+    redirect($manageurl);
+} else if ($data = $form->get_data()) {
+    $DB->delete_records('block_advnotifications_coh', ['notificationid' => $id]);
+    $DB->delete_records('block_advnotifications_field', ['notificationid' => $id]);
+    $DB->delete_records('block_advnotifications_roles', ['notificationid' => $id]);
+    $coh = (object)['notificationid' => $id];
+    foreach ($data->cohorts as $c) {
+        $coh->cohortid = $c;
+        $DB->insert_record_raw('block_advnotifications_coh', $coh);
+    }
+    $field = (object)['notificationid' => $id];
+    foreach ($data->userfieldfilters as $f) {
+        $field->userfield = $f['userfield'];
+        $field->operator = $f['operator'];
+        $field->fieldvalue = $f['fieldvalue'];
+        $DB->insert_record_raw('block_advnotifications_field', $field);
+    }
+    $role = (object)['notificationid' => $id];
+    foreach ($data->roles as $r) {
+        $role->roleid = $r;
+        $DB->insert_record_raw('block_advnotifications_roles', $role);
+    }
+    redirect($url, get_string('audiencesaved', 'block_advnotifications'));
+}
+$form->set_data($notification);
+
+echo $output->header(),
+     $output->heading($notification->title),
+     $form->render(),
+     $output->footer();
diff --git a/version.php b/version.php
index 716f2f7..601a1ee 100644
--- a/version.php
+++ b/version.php
@@ -26,7 +26,7 @@
 defined('MOODLE_INTERNAL') || die;
 
 $plugin->component = 'block_advnotifications';          // Recommended since 2.0.2 (MDL-26035). Required since 3.0 (MDL-48494).
-$plugin->version = 2021092301;                          // YYYYMMDDHH (year, month, day, 24-hr format hour).
+$plugin->version = 2021101400;                          // YYYYMMDDHH (year, month, day, 24-hr format hour).
 $plugin->requires = 2018051703;                         // YYYYMMDDHH (Version number for Moodle v3.5.3 as at 21/01/2019).
 $plugin->maturity = MATURITY_STABLE;                    // Code maturity/stability.
 $plugin->release = 'v1.4.2';                            // Human-readable release version.

From e7d165ce737e136e4dc369ba35e96604b29e39db Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Tue, 5 Oct 2021 17:33:09 -0300
Subject: [PATCH 02/10] filter display by audience - cohorts, roles and profile
 fields

---
 classes/audience.php             | 141 +++++++++++++++++++++++++++++++
 classes/output/form/audience.php |  46 +++-------
 locallib.php                     |  12 ++-
 pages/audience.php               |  15 ++--
 4 files changed, 173 insertions(+), 41 deletions(-)
 create mode 100644 classes/audience.php

diff --git a/classes/audience.php b/classes/audience.php
new file mode 100644
index 0000000..c24bb1c
--- /dev/null
+++ b/classes/audience.php
@@ -0,0 +1,141 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Class for audience rules.
+ *
+ * @package    block_advnotifications
+ * @copyright  2016 onwards LearningWorks Ltd {@link https://learningworks.co.nz/}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Zander Potgieter <zander.potgieter@learningworks.co.nz>
+ */
+
+namespace block_advnotifications;
+
+defined('MOODLE_INTERNAL') || die;
+
+class audience {
+
+    public static function get_cohorts_for_autocomplete($notificationid) {
+        global $DB;
+
+        $cohortssql =
+            'SELECT c.id, c.name, nc.id as inuse
+               FROM {cohort} c
+          LEFT JOIN {block_advnotifications_coh} nc
+                 ON c.id = nc.cohortid AND nc.notificationid = ?';
+
+        $cohorts = $DB->get_records_sql($cohortssql, [$notificationid]);
+
+        $options = [];
+        $values = [];
+
+        foreach ($cohorts as $c) {
+            $options[$c->id] = $c->name;
+            if (!is_null($c->inuse)) {
+                $values[] = $c->id;
+            }
+        }
+        return [$options, $values];
+    }
+
+    public static function get_roles_for_autocomplete($notificationid) {
+        global $DB;
+
+        $roles = role_get_names();
+        $selectedroles = $DB->get_fieldset_select(
+            'block_advnotifications_roles',
+            'roleid',
+            'notificationid = ?',
+            [$notificationid]
+        );
+        $options = [];
+        $values = [];
+        foreach ($roles as $r) {
+            $options[$r->id] = $r->localname;
+            if (in_array($r->id, $selectedroles)) {
+                $values[] = $r->id;
+            }
+        }
+        return [$options, $values];
+    }
+
+    public static function meets_profile_requirements($notificationid, $userid) {
+        global $DB, $USER;
+        if (!$rules = $DB->get_records('block_advnotifications_field', ['notificationid' => $notificationid])) {
+            return true; // There is no field restriction.
+        }
+        foreach ($rules as $r) {
+            if (strpos($r->userfield, 'profile_field_') === false) {
+                $currentvalue = $USER->{$r->userfield};
+            } else {
+                $field = substr($r->userfield, 14);
+                $currentvalue = $USER->profile[$field];
+            }
+            switch ($r->operator) {
+                case 'equals':
+                    if ($currentvalue !== $r->fieldvalue) {
+                        return false;
+                    }
+                    break;
+                case 'contains':
+                    if (strpos($currentvalue, $r->fieldvalue) === false) {
+                        return false;
+                    }
+                    break;
+                case 'beginwith':
+                    if (strpos($currentvalue, $r->fieldvalue) !== 0) {
+                        return false;
+                    }
+                    break;
+            }
+        }
+        return true;
+    }
+
+    public static function meets_cohorts_requirements($notificationid, $userid) {
+        global $DB;
+        if (!$DB->record_exists('block_advnotifications_coh', ['notificationid' => $notificationid])) {
+            return true; // There is no cohort restriction.
+        }
+        $sql =
+        'SELECT 1
+           FROM {block_advnotifications_coh} anc
+           JOIN {cohort_members} cm
+             ON cm.cohortid = anc.cohortid AND
+                anc.notificationid = ? AND
+                cm.userid = ?';
+        return $DB->record_exists_sql($sql, [$notificationid, $userid]);
+    }
+
+    public static function meets_roles_requirements($notificationid, $userid, $blockid) {
+        global $DB;
+        if (!$roles = $DB->get_records('block_advnotifications_roles', ['notificationid' => $notificationid])) {
+            return true; // There is no role restriction.
+        }
+        if ($blockid) {
+            $context = \context_block::instance($blockid);
+        } else {
+            $context = \context_system::instance();
+        }
+        foreach ($roles as $r) {
+            if (!user_has_role_assignment($userid, $r->roleid, $context->id)) {
+                return false;
+            }
+        }
+        return true;
+    }
+}
diff --git a/classes/output/form/audience.php b/classes/output/form/audience.php
index 4d6b20d..264ded7 100644
--- a/classes/output/form/audience.php
+++ b/classes/output/form/audience.php
@@ -39,30 +39,12 @@
 class audience extends moodleform {
 
     public function definition() {
-        global $DB;
 
         $mform = $this->_form;
 
-  //      $mform->addElement('hidden', 'id');
-  //      $mform->setType('id', PARAM_INT);
-
-        $options = [];
-        $values = [];
-
         $notificationid = $this->_customdata['notificationid'];
 
-        $cohortssql =
-            'SELECT c.id, c.name, nc.id as inuse
-               FROM {cohort} c
-          LEFT JOIN {block_advnotifications_coh} nc
-                 ON c.id = nc.cohortid AND nc.notificationid = ?';
-        $cohorts = $DB->get_records_sql($cohortssql, [$notificationid]);
-        foreach ($cohorts as $c) {
-            $options[$c->id] = $c->name;
-            if (!is_null($c->inuse)) {
-                $values[] = $c->id;
-            }
-        }
+        list($options, $values) = \block_advnotifications\audience::get_cohorts_for_autocomplete($notificationid);
 
         $autocomplete = $mform->addElement(
             'autocomplete',
@@ -73,16 +55,7 @@ public function definition() {
         );
         $autocomplete->setSelected($values);
 
-        $roles = role_get_names();
-        $selectedroles = $DB->get_fieldset_select('block_advnotifications_roles', 'roleid', 'notificationid = ?', [$notificationid]);
-        $options = [];
-        $values = [];
-        foreach ($roles as $r) {
-            $options[$r->id] = $r->localname;
-            if (in_array($r->id, $selectedroles)) {
-                $values[] = $r->id;
-            }
-        }
+        list($options, $values) = \block_advnotifications\audience::get_roles_for_autocomplete($notificationid);
         $autocomplete = $mform->addElement(
             'autocomplete',
             'roles',
@@ -98,14 +71,17 @@ public function definition() {
             $mform->createElement('text', 'fieldvalue', '', ['size' => 12]),
         ];
         $filters = $mform->createElement('group', 'userfieldfilters', get_string('filter_userfield', 'block_advnotifications'), $elements);
+        $deletebutton = $mform->createElement('submit', 'deletefieldrule', 'X', [], false);
 
         $rules = [
             'userfieldfilters[userfield]' => ['type' => PARAM_TEXT],
             'userfieldfilters[operator]' => ['type' => PARAM_TEXT],
             'userfieldfilters[fieldvalue]' => ['type' => PARAM_TEXT]
         ];
-        $this->repeat_elements([$filters], $this->_customdata['filterscount'], $rules,
-            'filterscount', 'adduserfieldfilter', 1, get_string('adduserfieldfilter', 'block_advnotifications'));
+
+        $this->repeat_elements([$filters, $deletebutton], $this->_customdata['filterscount'], $rules,
+            'filterscount', 'adduserfieldfilter', 1, get_string('adduserfieldfilter', 'block_advnotifications'),
+            true, 'deletefieldrule');
 
         $this->add_action_buttons();
     }
@@ -114,6 +90,7 @@ protected function filter_options() {
         global $DB;
 
         $filters = [
+            ''            => get_string('choosedots'),
             'id'          => 'id',
             'username'    => get_string('username'),
             'idnumber'    => get_string('idnumber'),
@@ -142,9 +119,10 @@ protected function filter_options() {
 
     protected function operator_options() {
         return [
-          'beginwith' => get_string('operator_beginwith', 'block_advnotifications'),
-          'contains' => get_string('operator_contains', 'block_advnotifications'),
-          'equals' => get_string('operator_equals', 'block_advnotifications')
+            '' => get_string('choosedots'),
+            'beginwith' => get_string('operator_beginwith', 'block_advnotifications'),
+            'contains' => get_string('operator_contains', 'block_advnotifications'),
+            'equals' => get_string('operator_equals', 'block_advnotifications')
         ];
     }
 }
diff --git a/locallib.php b/locallib.php
index da33a2a..459bb55 100644
--- a/locallib.php
+++ b/locallib.php
@@ -81,6 +81,16 @@ function prep_notifications($instanceid) {
             $render = false;
         }
 
+        if ($render && !\block_advnotifications\audience::meets_profile_requirements($notif->id, $USER->id)) {
+            $render = false;
+        }
+        if ($render && !\block_advnotifications\audience::meets_cohorts_requirements($notif->id, $USER->id)) {
+            $render = false;
+        }
+        if ($render && !\block_advnotifications\audience::meets_roles_requirements($notif->id, $USER->id, $notif->blockid)) {
+            $render = false;
+        }
+
         if ($render) {
             // Update how many times the user has seen the notification.
             if ($userseen === false) {
@@ -154,4 +164,4 @@ function get_date_formats() {
     $formats['j F Y'] = date('j F Y');
 
     return $formats;
-}
\ No newline at end of file
+}
diff --git a/pages/audience.php b/pages/audience.php
index c067993..b4955f5 100644
--- a/pages/audience.php
+++ b/pages/audience.php
@@ -57,7 +57,6 @@
 
 $output = $PAGE->get_renderer('block_advnotifications');
 
-// TODO!
 $userfieldfilters = $DB->get_records('block_advnotifications_field', ['notificationid' => $id]);
 $notification->userfieldfilters = [];
 foreach ($userfieldfilters as $f) {
@@ -87,11 +86,15 @@
         $DB->insert_record_raw('block_advnotifications_coh', $coh);
     }
     $field = (object)['notificationid' => $id];
-    foreach ($data->userfieldfilters as $f) {
-        $field->userfield = $f['userfield'];
-        $field->operator = $f['operator'];
-        $field->fieldvalue = $f['fieldvalue'];
-        $DB->insert_record_raw('block_advnotifications_field', $field);
+    if (isset($data->userfieldfilters)) {
+        foreach ($data->userfieldfilters as $f) {
+            if (!empty($f['userfield']) && !empty($f['operator']) && !empty($f['fieldvalue'])) {
+                $field->userfield = $f['userfield'];
+                $field->operator = $f['operator'];
+                $field->fieldvalue = $f['fieldvalue'];
+                $DB->insert_record_raw('block_advnotifications_field', $field);
+            }
+        }
     }
     $role = (object)['notificationid' => $id];
     foreach ($data->roles as $r) {

From 6dc7f59a070866b73da2748a6b6bd9557847bc40 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Mon, 20 Sep 2021 16:01:44 -0300
Subject: [PATCH 03/10] add option to send notification (but not send them yet)

---
 amd/build/custom.min.js            |  4 ++--
 amd/build/custom.min.js.map        |  2 +-
 amd/src/custom.js                  | 14 +++++++++++---
 db/install.xml                     |  3 ++-
 db/upgrade.php                     |  9 +++++++++
 lang/en/block_advnotifications.php |  1 +
 pages/process.php                  |  8 ++++++++
 renderer.php                       |  7 ++++++-
 8 files changed, 40 insertions(+), 8 deletions(-)

diff --git a/amd/build/custom.min.js b/amd/build/custom.min.js
index 3d36733..7652016 100644
--- a/amd/build/custom.min.js
+++ b/amd/build/custom.min.js
@@ -1,2 +1,2 @@
-define(["jquery"],function(l){return{initialise:function(){l(document).ready(function(){var e=l("#region-main"),t=l("#add_notification_wrapper_id"),s={save:"Save",update:"Update",req:"Required...",preview:"Preview",title:"Title",message:"Message"};e.on("click",".notifications_table tr > td > form > button[type=submit]",function(e){e.preventDefault();var n={call:"ajax",purpose:"",tableaction:"",blockid:""},i=l(this).closest("form").attr("data-edit"),e=l(this).closest("form").attr("data-delete");n.blockid=l(this).closest("form").find("[name=blockid]")[0].value,d(),void 0!==i&&!1!==i?(n.purpose="edit",n.tableaction=i,(i=l("#add_notification_save")).addClass("update"),i.val(s.update)):void 0!==e&&!1!==e&&(n.purpose="delete",n.tableaction=e);e=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;l.post(e,n).fail(function(){console.error("No 'manage' response received.")}).done(function(e){if(e=JSON.parse(e),0<parseInt(e.done,10))l("#tr"+n.purpose+e.done).closest("tr").fadeOut(250,function(){l(this).remove(),c(),a()});else if("edit"===n.purpose){for(var i in e){var t;e.hasOwnProperty(i)&&("id"===i&&(t=l("#add_notification_form"),l("#add_notification_id").remove(),t.prepend('<input type="hidden" id="add_notification_id" name="id" value="'+e[i]+'"/>'),l("#add_notification_purpose").val("update")),t=l("#add_notification_wrapper_id").find("#add_notification_"+i),"enabled"!==i&&"global"!==i&&"dismissible"!==i&&"aicon"!==i||1!=e[i]?"enabled"!==i&&"global"!==i&&"dismissible"!==i&&"aicon"!==i||0!=e[i]?t.val(e[i]):t.prop("checked",!1):t.prop("checked",!0))}o()}})}),e.on("click",".notifications_restore_table tr > td > form > button[type=submit]",function(e){e.preventDefault();var i={call:"ajax",purpose:"",tableaction:"",blockid:""},t=l(this).closest("form").attr("data-restore"),e=l(this).closest("form").attr("data-permdelete");i.blockid=l(this).closest("form").find("[name=blockid]")[0].value,void 0!==t&&!1!==t?(i.purpose="restore",i.tableaction=t):void 0!==e&&!1!==e&&(i.purpose="permdelete",i.tableaction=e);e=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;l.post(e,i).fail(function(){console.error("No 'restore/permdelete' response received.")}).done(function(e){e=JSON.parse(e),0<parseInt(e.done,10)&&l("#tr"+i.purpose+e.done).closest("tr").fadeOut(250,function(){l(this).remove()})})}),t.on("click","#add_notification_cancel",function(e){e.preventDefault(),c()}),e.on("submit","#add_notification_form",function(e){e.preventDefault();var i,o=l("#add_notification_status"),a=l("#add_notification_form");d(),r()&&(o.show(),i=l(this).serialize(),e=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php",l.post(e,i).fail(function(e){console.error("No 'add' response received.");var i,t,n=e.responseJSON.error;for(i in n)n.hasOwnProperty(i)&&((t=a.find("select[name="+n[i]+"]")).addClass("requiredfield"),l('<strong class="requiredfield"><em>'+s.req+"</em></strong>").insertAfter(t[0].nextSibling));o.hide()}).done(function(){o.find(".saving").hide(),o.find(".done").show(),c(),setTimeout(function(){o.fadeOut(function(){o.find(".done").hide(),o.find(".saving").show()})},1500),l("#advnotifications_table_wrapper").load("# #advnotifications_table_wrapper > *")}))}),t.on("input propertychange paste","#add_notification_title, #add_notification_message",function(){o()}),l("#add_notification_type").on("change",function(){o()}),l("#add_notification_dismissible").on("change",function(){o()}),l("#add_notification_aicon").on("change",function(){o()});var i,n,o=function(){var e=t.find("#add_notification_title");0<e.val().length?t.find(".preview-title")[0].innerHTML=e.val():t.find(".preview-title")[0].innerHTML=s.title;var i=t.find("#add_notification_message");0<i.val().length?t.find(".preview-message")[0].innerHTML=i.val():t.find(".preview-message")[0].innerHTML=s.message;e=l("#add_notification_type").val(),i=l("#add_notification_wrapper_id .preview-alert");i.removeClass("alert-info alert-success alert-danger alert-warning announcement"),"announcement"===e&&(i.addClass(e),e="info"),"info"!==e&&"success"!==e&&"warning"!==e&&"danger"!==e&&(e="info"),i.addClass("alert-"+e),l(".preview-aicon").find("> img").attr("src",M.util.image_url(e,"block_advnotifications")),l("#add_notification_dismissible")[0].checked?(l(".preview-alert-dismissible").show(),i.addClass("dismissible")):(l(".preview-alert-dismissible").hide(),i.removeClass("dismissible")),l("#add_notification_aicon")[0].checked?(l(".preview-aicon").show(),i.addClass("aicon")):(l(".preview-aicon").hide(),i.removeClass("aicon"))},a=function(){var e=l("#notification_preview_wrapper"),i='<div id="notification_preview_wrapper"><strong>'+s.preview+'</strong><br><div class="alert alert-info preview-alert"><div class="preview-aicon" style="display: none;"><img src="'+M.util.image_url("info","block_advnotifications")+'" /></div><strong class="preview-title">'+s.title+'</strong> <div class="preview-message">'+s.message+'</div> <div class="preview-alert-dismissible" style="display: none;"><strong>&times;</strong></div></div></div>';0<e.length?(e.remove(),l(i).prependTo(l(t))):l(i).prependTo(l(t)).hide().slideDown()},r=function(){var e,i=l("#add_notification_form select option:selected:disabled");for(e in i)if(i.hasOwnProperty(e)&&l(i[e]).prop("disabled"))return l(i[e]).closest("select").addClass("requiredfield"),l('<strong class="requiredfield"><em>'+s.req+"</em></strong>").insertAfter(l(i[e]).closest("select")[0].nextSibling),!1;return!0},d=function(){l("select.requiredfield").removeClass("requiredfield"),l("strong.requiredfield").remove()},c=function(){l("#add_notification_form")[0].reset(),d(),a();var e=l("#add_notification_save");e.removeClass("update"),l("#add_notification_id").remove(),l("#add_notification_purpose").val("add"),e.val(s.save)};i={call:"ajax",purpose:"strings"},n=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey,l.post(n,i).fail(function(){console.error("No 'strings' response received.")}).done(function(e){s=e}).always(function(){a()}),l("#add_notification_form").append('<input type="hidden" id="add_notification_call" name="call" value="ajax"/>')})}}});
-//# sourceMappingURL=custom.min.js.map
\ No newline at end of file
+function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("block_advnotifications/custom",["jquery"],function(a){return{initialise:function initialise(){a(document).ready(function(){var b=a("#region-main"),c=a("#add_notification_wrapper_id"),d={save:"Save",update:"Update",req:"Required...",preview:"Preview",title:"Title",message:"Message"};b.on("click",".notifications_table tr > td > form > button[type=submit]",function(b){b.preventDefault();var c={call:"ajax",purpose:"",tableaction:"",blockid:""},g=a(this).closest("form").attr("data-edit"),j=a(this).closest("form").attr("data-delete");c.blockid=a(this).closest("form").find("[name=blockid]")[0].value;h();if(_typeof(g)!=="undefined"&&!1!==g){c.purpose="edit";c.tableaction=g;var k=a("#add_notification_save");k.addClass("update");k.val(d.update)}else if(_typeof(j)!=="undefined"&&!1!==j){c.purpose="delete";c.tableaction=j}var l=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(l,c).fail(function(){console.error("No 'manage' response received.")}).done(function(b){b=JSON.parse(b);if(0<parseInt(b.done,10)){a("#tr"+c.purpose+b.done).closest("tr").fadeOut(250,function(){a(this).remove();i();f()})}else if("edit"===c.purpose){for(var d in b){if(b.hasOwnProperty(d)){if("id"===d){var g=a("#add_notification_form");a("#add_notification_id").remove();g.prepend("<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\""+b[d]+"\"/>");a("#add_notification_purpose").val("update")}var h=a("#add_notification_wrapper_id").find("#add_notification_"+d);if(("enabled"===d||"global"===d||"dismissible"===d||"aicon"===d||"sendnotifications"===d)&&1==b[d]){h.prop("checked",!0)}else if(("enabled"===d||"global"===d||"dismissible"===d||"aicon"===d||"sendnotifications"===d)&&0==b[d]){h.prop("checked",!1)}else{h.val(b[d])}}}e()}})});b.on("click",".notifications_restore_table tr > td > form > button[type=submit]",function(b){b.preventDefault();var c={call:"ajax",purpose:"",tableaction:"",blockid:""},d=a(this).closest("form").attr("data-restore"),e=a(this).closest("form").attr("data-permdelete");c.blockid=a(this).closest("form").find("[name=blockid]")[0].value;if(_typeof(d)!=="undefined"&&!1!==d){c.purpose="restore";c.tableaction=d}else if(_typeof(e)!=="undefined"&&!1!==e){c.purpose="permdelete";c.tableaction=e}var f=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(f,c).fail(function(){console.error("No 'restore/permdelete' response received.")}).done(function(b){b=JSON.parse(b);if(0<parseInt(b.done,10)){a("#tr"+c.purpose+b.done).closest("tr").fadeOut(250,function(){a(this).remove()})}})});c.on("click","#add_notification_cancel",function(a){a.preventDefault();i()});b.on("submit","#add_notification_form",function(b){b.preventDefault();var c=a("#add_notification_status"),e=a("#add_notification_form");h();if(!g()){return}c.show();var f=a(this).serialize(),j=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php";a.post(j,f).fail(function(b){console.error("No 'add' response received.");var f=b.responseJSON.error;for(var g in f){if(f.hasOwnProperty(g)){var h=e.find("select[name="+f[g]+"]");h.addClass("requiredfield");a("<strong class=\"requiredfield\"><em>"+d.req+"</em></strong>").insertAfter(h[0].nextSibling)}}c.hide()}).done(function(){c.find(".saving").hide();c.find(".done").show();i();setTimeout(function(){c.fadeOut(function(){c.find(".done").hide();c.find(".saving").show()})},1500);a("#advnotifications_table_wrapper").load("# #advnotifications_table_wrapper > *")})});c.on("input propertychange paste","#add_notification_title, #add_notification_message",function(){e()});a("#add_notification_type").on("change",function(){e()});a("#add_notification_dismissible").on("change",function(){e()});a("#add_notification_aicon").on("change",function(){e()});a("#add_notification_sendnotifications").on("change",function(){e()});var e=function(){var b=c.find("#add_notification_title");if(0<b.val().length){c.find(".preview-title")[0].innerHTML=b.val()}else{c.find(".preview-title")[0].innerHTML=d.title}var e=c.find("#add_notification_message");if(0<e.val().length){c.find(".preview-message")[0].innerHTML=e.val()}else{c.find(".preview-message")[0].innerHTML=d.message}var f=a("#add_notification_type").val(),g=a("#add_notification_wrapper_id .preview-alert");g.removeClass("alert-info alert-success alert-danger alert-warning announcement");if("announcement"===f){g.addClass(f);f="info"}if("info"!==f&&"success"!==f&&"warning"!==f&&"danger"!==f){f="info"}g.addClass("alert-"+f);a(".preview-aicon").find("> img").attr("src",M.util.image_url(f,"block_advnotifications"));if(!a("#add_notification_dismissible")[0].checked){a(".preview-alert-dismissible").hide();g.removeClass("dismissible")}else{a(".preview-alert-dismissible").show();g.addClass("dismissible")}if(!a("#add_notification_aicon")[0].checked){a(".preview-aicon").hide();g.removeClass("aicon")}else{a(".preview-aicon").show();g.addClass("aicon")}},f=function(){var b=a("#notification_preview_wrapper"),e="<div id=\"notification_preview_wrapper\"><strong>"+d.preview+"</strong><br><div class=\"alert alert-info preview-alert\"><div class=\"preview-aicon\" style=\"display: none;\"><img src=\""+M.util.image_url("info","block_advnotifications")+"\" /></div><strong class=\"preview-title\">"+d.title+"</strong> <div class=\"preview-message\">"+d.message+"</div> <div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div></div></div>";if(0<b.length){b.remove();a(e).prependTo(a(c))}else{a(e).prependTo(a(c)).hide().slideDown()}},g=function(){var b=a("#add_notification_form select option:selected:disabled");for(var c in b){if(b.hasOwnProperty(c)){if(a(b[c]).prop("disabled")){a(b[c]).closest("select").addClass("requiredfield");a("<strong class=\"requiredfield\"><em>"+d.req+"</em></strong>").insertAfter(a(b[c]).closest("select")[0].nextSibling);return!1}}}return!0},h=function(){a("select.requiredfield").removeClass("requiredfield");a("strong.requiredfield").remove()},i=function(){a("#add_notification_form")[0].reset();h();f();var b=a("#add_notification_save");b.removeClass("update");a("#add_notification_id").remove();a("#add_notification_purpose").val("add");b.val(d.save)};(function init(){var b=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(b,{call:"ajax",purpose:"strings"}).fail(function(){console.error("No 'strings' response received.")}).done(function(a){d=a}).always(function(){f()});a("#add_notification_form").append("<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>")})()})}}});
+//# sourceMappingURL=custom.min.js.map
diff --git a/amd/build/custom.min.js.map b/amd/build/custom.min.js.map
index 8a1cb0a..189ce84 100644
--- a/amd/build/custom.min.js.map
+++ b/amd/build/custom.min.js.map
@@ -1 +1 @@
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eslint no-console: [\"error\", { allow: [\"error\"] }], max-nested-callbacks: [\"error\", 7] */\n/**\n * @package    block_advnotifications\n * @copyright  2019 onwards LearningWorks Ltd {@link https://learningworks.co.nz/}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @author     Zander Potgieter <zander.potgieter@learningworks.co.nz>\n */\n\n/**\n * @module block_advnotifications/custom\n */\ndefine(['jquery'], function($) {\n    // JQuery is available via $.\n\n    return {\n        initialise: function() {\n            // Module initialised.\n            $(document).ready(function() {\n                // Commonly (multiple times) used elements.\n                var mainregion = $('#region-main');\n                var addregion = $('#add_notification_wrapper_id');\n                var strings = {\n                    save: 'Save',\n                    update: 'Update',\n                    req: 'Required...',\n                    preview: 'Preview',\n                    title: 'Title',\n                    message: 'Message'\n                };\n\n                // MANAGING NOTIFICATIONS.\n                mainregion.on('click', '.notifications_table tr > td > form > button[type=submit]', function(e) {\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to edit/delete.\n                    var eattr = $(this).closest('form').attr('data-edit');\n                    var dattr = $(this).closest('form').attr('data-delete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n                    refreshRequired();\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof eattr !== typeof undefined && eattr !== false) {\n                        senddata.purpose = 'edit';\n                        senddata.tableaction = eattr;\n\n                        var savebutton = $('#add_notification_save');\n                        savebutton.addClass('update');\n                        savebutton.val(strings.update);\n                    } else if (typeof dattr !== typeof undefined && dattr !== false) {\n                        senddata.purpose = 'delete';\n                        senddata.tableaction = dattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'manage' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/edited notification.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                                clearForm();\n                                refreshPreview();\n                            });\n                        } else if (senddata.purpose === \"edit\") {\n                            for (var i in data) {\n                                if (data.hasOwnProperty(i)) {\n\n                                    // Need this for updating.\n                                    if (i === \"id\") {\n                                        var form = $('#add_notification_form');\n\n                                        // Because we're doing a standard submit, we need extra inputs to pass params.\n                                        // But first, remove old hidden inputs.\n                                        $('#add_notification_id').remove();\n                                        form.prepend(\n                                            '<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\"' + data[i] + '\"/>'\n                                        );\n\n                                        $('#add_notification_purpose').val('update');\n                                    }\n\n                                    var affectelement = $('#add_notification_wrapper_id').find('#add_notification_' + i);\n\n                                    // Check whether checkboxes should be checked or not.\n                                    // We also don't assign a value to checkbox input fields.\n                                    if (\n                                        (\n                                            i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon'\n                                        ) && data[i] == 1) {\n                                        affectelement.prop('checked', true);\n                                    } else if (\n                                        (i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon') && data[i] == 0) {\n                                        affectelement.prop('checked', false);\n                                    } else {\n                                        affectelement.val(data[i]);\n                                    }\n                                }\n                            }\n                            reloadPreview();\n                        }\n                    });\n                });\n\n                // Restore & Permanently delete notifications.\n                mainregion.on('click', '.notifications_restore_table tr > td > form > button[type=submit]', function(e) {\n\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to restore/delete.\n                    var rattr = $(this).closest('form').attr('data-restore');\n                    var pdattr = $(this).closest('form').attr('data-permdelete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof rattr !== typeof undefined && rattr !== false) {\n                        senddata.purpose = 'restore';\n                        senddata.tableaction = rattr;\n                    } else if (typeof pdattr !== typeof undefined && pdattr !== false) {\n                        senddata.purpose = 'permdelete';\n                        senddata.tableaction = pdattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'restore/permdelete' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/restored notification.\n                        // Object 'done' is returned for both restore & delete.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                            });\n                        }\n                    });\n                });\n\n                // Clear form.\n                addregion.on('click', '#add_notification_cancel', function(e) {\n                    e.preventDefault();\n                    clearForm();\n                });\n\n                // Managing more notifications.\n                mainregion.on('submit', '#add_notification_form', function(e) {\n                    e.preventDefault();\n                    var status = $('#add_notification_status');\n                    var form = $('#add_notification_form');\n\n                    refreshRequired();\n                    if (!checkRequired()) {\n                        // Stop if required fields are not supplied.\n                        return;\n                    }\n\n                    status.show();\n\n                    var senddata = $(this).serialize(); // Data Object.\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php\";\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function(data) {\n                        console.error(\"No 'add' response received.\");\n\n                        var error = data.responseJSON.error;\n\n                        for (var i in error) {\n                            if (error.hasOwnProperty(i)) {\n                                var sfield = form.find('select[name=' + error[i] + ']');\n                                sfield.addClass('requiredfield');\n                                $(\n                                    '<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>'\n                                ).insertAfter(sfield[0].nextSibling);\n                            }\n                        }\n\n                        status.hide();\n                    }).done(function() {\n                        // User saved notification.\n                        status.find('.saving').hide();\n                        status.find('.done').show();\n\n                        // Clear Form.\n                        clearForm();\n\n                        setTimeout(function() {\n                            status.fadeOut(function() {\n                                status.find('.done').hide();\n                                status.find('.saving').show();\n                            });\n                        }, 1500);\n\n                        $('#advnotifications_table_wrapper').load('# #advnotifications_table_wrapper > *');\n                    });\n                });\n\n                // LIVE PREVIEW.\n                // Dynamically update preview alert as user changes textbox content.\n                addregion.on('input propertychange paste', '#add_notification_title, #add_notification_message', function() {\n                    reloadPreview();\n                });\n\n                // Dynamically update preview alert type.\n                $('#add_notification_type').on('change', function() {\n                    reloadPreview();\n                });\n\n                $('#add_notification_dismissible').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                $('#add_notification_aicon').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                // Check if preview is displaying correct (Update it).\n                var reloadPreview = function() {\n                    // Update title.\n                    var title = addregion.find('#add_notification_title');\n                    if (title.val().length > 0) {\n                        addregion.find('.preview-title')[0].innerHTML = title.val();\n                    } else {\n                        addregion.find('.preview-title')[0].innerHTML = strings.title;\n                    }\n\n                    // Update message.\n                    var message = addregion.find('#add_notification_message');\n                    if (message.val().length > 0) {\n                        addregion.find('.preview-message')[0].innerHTML = message.val();\n                    } else {\n                        addregion.find('.preview-message')[0].innerHTML = strings.message;\n                    }\n\n                    // Check notification type.\n                    var alerttype = $('#add_notification_type').val();\n                    var previewalert = $('#add_notification_wrapper_id .preview-alert');\n\n                    // Clear existing classes.\n                    previewalert.removeClass('alert-info alert-success alert-danger alert-warning announcement');\n\n                    // Special check for announcement type.\n                    if (alerttype === 'announcement') {\n                        previewalert.addClass(alerttype);\n                        alerttype = 'info';\n                    }\n\n                    // If anything unexpected, set to info type.\n                    if (alerttype !== 'info' && alerttype !== 'success' && alerttype !== 'warning' && alerttype !== 'danger') {\n                        alerttype = 'info';\n                    }\n\n                    // Add type of alert class.\n                    previewalert.addClass('alert-' + alerttype);\n\n                    $('.preview-aicon').find('> img').attr('src', M.util.image_url(alerttype, 'block_advnotifications'));\n\n                    // Check if dismissable.\n                    if (!$('#add_notification_dismissible')[0].checked) {\n                        $('.preview-alert-dismissible').hide();\n                        previewalert.removeClass('dismissible');\n                    } else {\n                        $('.preview-alert-dismissible').show();\n                        previewalert.addClass('dismissible');\n                    }\n\n                    // Check if icon should be shown.\n                    if (!$('#add_notification_aicon')[0].checked) {\n                        $('.preview-aicon').hide();\n                        previewalert.removeClass('aicon');\n                    } else {\n                        $('.preview-aicon').show();\n                        previewalert.addClass('aicon');\n                    }\n                };\n\n                var init = function() {\n                    // Get strings.\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = 'strings';\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'strings' response received.\");\n                    }).done(function(data) {\n                        // TODO: ONLY DO THIS IF AJAX SUCCESSFUL - don't render with English first?).\n                        // Store strings and update preview.\n                        strings = data;\n                    }).always(function() {\n                        // Always prepend live preview. Use langstrings if AJAX successful, otherwise use strings declared at top.\n                        refreshPreview();\n                    });\n\n                    // JS is enabled, so we can use AJAX in the new notification form.\n                    $('#add_notification_form').append(\n                        '<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>'\n                    );\n                };\n\n                // Shiny new and fresh preview.\n                var refreshPreview = function() {\n                    var previewelem = $('#notification_preview_wrapper');\n                    var previewdom =\n                        '<div id=\"notification_preview_wrapper\">' +\n                            '<strong>' + strings.preview + '</strong><br>' +\n                            '<div class=\"alert alert-info preview-alert\">' +\n                                '<div class=\"preview-aicon\" style=\"display: none;\">' +\n                                    '<img src=\"' + M.util.image_url('info', 'block_advnotifications') + '\" />' +\n                                '</div>' +\n                                '<strong class=\"preview-title\">' + strings.title + '</strong> ' +\n                                '<div class=\"preview-message\">' + strings.message + '</div> ' +\n                                '<div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div>' +\n                            '</div>' +\n                        '</div>';\n\n                    // If it exists already, remove before adding again.\n                    if (previewelem.length > 0) {\n                        previewelem.remove();\n                        // Don't slide in.\n                        $(previewdom).prependTo($(addregion));\n                    } else {\n                        // Slide in.\n                        $(previewdom).prependTo($(addregion)).hide().slideDown();\n                    }\n                };\n\n                var checkRequired = function() {\n                    var disselopt = $('#add_notification_form select option:selected:disabled');\n\n                    for (var opt in disselopt) {\n                        if (disselopt.hasOwnProperty(opt)) {\n                            if ($(disselopt[opt]).prop('disabled')) {\n                                $(disselopt[opt]).closest('select').addClass('requiredfield');\n                                $('<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>')\n                                    .insertAfter($(disselopt[opt]).closest('select')[0].nextSibling);\n\n                                return false;\n                            }\n                        }\n                    }\n                    return true;\n                };\n\n                var refreshRequired = function() {\n                    $('select.requiredfield').removeClass('requiredfield');\n                    $('strong.requiredfield').remove();\n                };\n\n                var clearForm = function() {\n                    $('#add_notification_form')[0].reset();\n                    refreshRequired();\n                    refreshPreview();\n\n                    // Change save button back to normal.\n                    var savebutton = $('#add_notification_save');\n                    savebutton.removeClass('update');\n                    $('#add_notification_id').remove();\n                    $('#add_notification_purpose').val('add');\n\n                    savebutton.val(strings.save);\n                };\n\n                init();\n            });\n        }\n    };\n});"],"file":"custom.min.js"}
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eslint no-console: [\"error\", { allow: [\"error\"] }], max-nested-callbacks: [\"error\", 7] */\n/**\n * @package    block_advnotifications\n * @copyright  2019 onwards LearningWorks Ltd {@link https://learningworks.co.nz/}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @author     Zander Potgieter <zander.potgieter@learningworks.co.nz>\n */\n\n/**\n * @module block_advnotifications/custom\n */\ndefine(['jquery'], function($) {\n    // JQuery is available via $.\n\n    return {\n        initialise: function() {\n            // Module initialised.\n            $(document).ready(function() {\n                // Commonly (multiple times) used elements.\n                var mainregion = $('#region-main');\n                var addregion = $('#add_notification_wrapper_id');\n                var strings = {\n                    save: 'Save',\n                    update: 'Update',\n                    req: 'Required...',\n                    preview: 'Preview',\n                    title: 'Title',\n                    message: 'Message'\n                };\n\n                // MANAGING NOTIFICATIONS.\n                mainregion.on('click', '.notifications_table tr > td > form > button[type=submit]', function(e) {\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to edit/delete.\n                    var eattr = $(this).closest('form').attr('data-edit');\n                    var dattr = $(this).closest('form').attr('data-delete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n                    refreshRequired();\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof eattr !== typeof undefined && eattr !== false) {\n                        senddata.purpose = 'edit';\n                        senddata.tableaction = eattr;\n\n                        var savebutton = $('#add_notification_save');\n                        savebutton.addClass('update');\n                        savebutton.val(strings.update);\n                    } else if (typeof dattr !== typeof undefined && dattr !== false) {\n                        senddata.purpose = 'delete';\n                        senddata.tableaction = dattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'manage' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/edited notification.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                                clearForm();\n                                refreshPreview();\n                            });\n                        } else if (senddata.purpose === \"edit\") {\n                            for (var i in data) {\n                                if (data.hasOwnProperty(i)) {\n\n                                    // Need this for updating.\n                                    if (i === \"id\") {\n                                        var form = $('#add_notification_form');\n\n                                        // Because we're doing a standard submit, we need extra inputs to pass params.\n                                        // But first, remove old hidden inputs.\n                                        $('#add_notification_id').remove();\n                                        form.prepend(\n                                            '<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\"' + data[i] + '\"/>'\n                                        );\n\n                                        $('#add_notification_purpose').val('update');\n                                    }\n\n                                    var affectelement = $('#add_notification_wrapper_id').find('#add_notification_' + i);\n\n                                    // Check whether checkboxes should be checked or not.\n                                    // We also don't assign a value to checkbox input fields.\n                                    if (\n                                        (\n                                            i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon' ||\n                                            i === 'sendnotifications'\n                                        ) && data[i] == 1) {\n                                        affectelement.prop('checked', true);\n                                    } else if (\n                                        (i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon' ||\n                                            i === 'sendnotifications'\n                                        ) && data[i] == 0) {\n                                        affectelement.prop('checked', false);\n                                    } else {\n                                        affectelement.val(data[i]);\n                                    }\n                                }\n                            }\n                            reloadPreview();\n                        }\n                    });\n                });\n\n                // Restore & Permanently delete notifications.\n                mainregion.on('click', '.notifications_restore_table tr > td > form > button[type=submit]', function(e) {\n\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to restore/delete.\n                    var rattr = $(this).closest('form').attr('data-restore');\n                    var pdattr = $(this).closest('form').attr('data-permdelete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof rattr !== typeof undefined && rattr !== false) {\n                        senddata.purpose = 'restore';\n                        senddata.tableaction = rattr;\n                    } else if (typeof pdattr !== typeof undefined && pdattr !== false) {\n                        senddata.purpose = 'permdelete';\n                        senddata.tableaction = pdattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'restore/permdelete' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/restored notification.\n                        // Object 'done' is returned for both restore & delete.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                            });\n                        }\n                    });\n                });\n\n                // Clear form.\n                addregion.on('click', '#add_notification_cancel', function(e) {\n                    e.preventDefault();\n                    clearForm();\n                });\n\n                // Managing more notifications.\n                mainregion.on('submit', '#add_notification_form', function(e) {\n                    e.preventDefault();\n                    var status = $('#add_notification_status');\n                    var form = $('#add_notification_form');\n\n                    refreshRequired();\n                    if (!checkRequired()) {\n                        // Stop if required fields are not supplied.\n                        return;\n                    }\n\n                    status.show();\n\n                    var senddata = $(this).serialize(); // Data Object.\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php\";\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function(data) {\n                        console.error(\"No 'add' response received.\");\n\n                        var error = data.responseJSON.error;\n\n                        for (var i in error) {\n                            if (error.hasOwnProperty(i)) {\n                                var sfield = form.find('select[name=' + error[i] + ']');\n                                sfield.addClass('requiredfield');\n                                $(\n                                    '<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>'\n                                ).insertAfter(sfield[0].nextSibling);\n                            }\n                        }\n\n                        status.hide();\n                    }).done(function() {\n                        // User saved notification.\n                        status.find('.saving').hide();\n                        status.find('.done').show();\n\n                        // Clear Form.\n                        clearForm();\n\n                        setTimeout(function() {\n                            status.fadeOut(function() {\n                                status.find('.done').hide();\n                                status.find('.saving').show();\n                            });\n                        }, 1500);\n\n                        $('#advnotifications_table_wrapper').load('# #advnotifications_table_wrapper > *');\n                    });\n                });\n\n                // LIVE PREVIEW.\n                // Dynamically update preview alert as user changes textbox content.\n                addregion.on('input propertychange paste', '#add_notification_title, #add_notification_message', function() {\n                    reloadPreview();\n                });\n\n                // Dynamically update preview alert type.\n                $('#add_notification_type').on('change', function() {\n                    reloadPreview();\n                });\n\n                $('#add_notification_dismissible').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                $('#add_notification_aicon').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                $('#add_notification_sendnotifications').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                // Check if preview is displaying correct (Update it).\n                var reloadPreview = function() {\n                    // Update title.\n                    var title = addregion.find('#add_notification_title');\n                    if (title.val().length > 0) {\n                        addregion.find('.preview-title')[0].innerHTML = title.val();\n                    } else {\n                        addregion.find('.preview-title')[0].innerHTML = strings.title;\n                    }\n\n                    // Update message.\n                    var message = addregion.find('#add_notification_message');\n                    if (message.val().length > 0) {\n                        addregion.find('.preview-message')[0].innerHTML = message.val();\n                    } else {\n                        addregion.find('.preview-message')[0].innerHTML = strings.message;\n                    }\n\n                    // Check notification type.\n                    var alerttype = $('#add_notification_type').val();\n                    var previewalert = $('#add_notification_wrapper_id .preview-alert');\n\n                    // Clear existing classes.\n                    previewalert.removeClass('alert-info alert-success alert-danger alert-warning announcement');\n\n                    // Special check for announcement type.\n                    if (alerttype === 'announcement') {\n                        previewalert.addClass(alerttype);\n                        alerttype = 'info';\n                    }\n\n                    // If anything unexpected, set to info type.\n                    if (alerttype !== 'info' && alerttype !== 'success' && alerttype !== 'warning' && alerttype !== 'danger') {\n                        alerttype = 'info';\n                    }\n\n                    // Add type of alert class.\n                    previewalert.addClass('alert-' + alerttype);\n\n                    $('.preview-aicon').find('> img').attr('src', M.util.image_url(alerttype, 'block_advnotifications'));\n\n                    // Check if dismissable.\n                    if (!$('#add_notification_dismissible')[0].checked) {\n                        $('.preview-alert-dismissible').hide();\n                        previewalert.removeClass('dismissible');\n                    } else {\n                        $('.preview-alert-dismissible').show();\n                        previewalert.addClass('dismissible');\n                    }\n\n                    // Check if icon should be shown.\n                    if (!$('#add_notification_aicon')[0].checked) {\n                        $('.preview-aicon').hide();\n                        previewalert.removeClass('aicon');\n                    } else {\n                        $('.preview-aicon').show();\n                        previewalert.addClass('aicon');\n                    }\n                };\n\n                var init = function() {\n                    // Get strings.\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = 'strings';\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'strings' response received.\");\n                    }).done(function(data) {\n                        // TODO: ONLY DO THIS IF AJAX SUCCESSFUL - don't render with English first?).\n                        // Store strings and update preview.\n                        strings = data;\n                    }).always(function() {\n                        // Always prepend live preview. Use langstrings if AJAX successful, otherwise use strings declared at top.\n                        refreshPreview();\n                    });\n\n                    // JS is enabled, so we can use AJAX in the new notification form.\n                    $('#add_notification_form').append(\n                        '<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>'\n                    );\n                };\n\n                // Shiny new and fresh preview.\n                var refreshPreview = function() {\n                    var previewelem = $('#notification_preview_wrapper');\n                    var previewdom =\n                        '<div id=\"notification_preview_wrapper\">' +\n                            '<strong>' + strings.preview + '</strong><br>' +\n                            '<div class=\"alert alert-info preview-alert\">' +\n                                '<div class=\"preview-aicon\" style=\"display: none;\">' +\n                                    '<img src=\"' + M.util.image_url('info', 'block_advnotifications') + '\" />' +\n                                '</div>' +\n                                '<strong class=\"preview-title\">' + strings.title + '</strong> ' +\n                                '<div class=\"preview-message\">' + strings.message + '</div> ' +\n                                '<div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div>' +\n                            '</div>' +\n                        '</div>';\n\n                    // If it exists already, remove before adding again.\n                    if (previewelem.length > 0) {\n                        previewelem.remove();\n                        // Don't slide in.\n                        $(previewdom).prependTo($(addregion));\n                    } else {\n                        // Slide in.\n                        $(previewdom).prependTo($(addregion)).hide().slideDown();\n                    }\n                };\n\n                var checkRequired = function() {\n                    var disselopt = $('#add_notification_form select option:selected:disabled');\n\n                    for (var opt in disselopt) {\n                        if (disselopt.hasOwnProperty(opt)) {\n                            if ($(disselopt[opt]).prop('disabled')) {\n                                $(disselopt[opt]).closest('select').addClass('requiredfield');\n                                $('<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>')\n                                    .insertAfter($(disselopt[opt]).closest('select')[0].nextSibling);\n\n                                return false;\n                            }\n                        }\n                    }\n                    return true;\n                };\n\n                var refreshRequired = function() {\n                    $('select.requiredfield').removeClass('requiredfield');\n                    $('strong.requiredfield').remove();\n                };\n\n                var clearForm = function() {\n                    $('#add_notification_form')[0].reset();\n                    refreshRequired();\n                    refreshPreview();\n\n                    // Change save button back to normal.\n                    var savebutton = $('#add_notification_save');\n                    savebutton.removeClass('update');\n                    $('#add_notification_id').remove();\n                    $('#add_notification_purpose').val('add');\n\n                    savebutton.val(strings.save);\n                };\n\n                init();\n            });\n        }\n    };\n});\n"],"file":"custom.min.js"}
\ No newline at end of file
diff --git a/amd/src/custom.js b/amd/src/custom.js
index 9be77a8..49dfec6 100644
--- a/amd/src/custom.js
+++ b/amd/src/custom.js
@@ -98,14 +98,17 @@ define(['jquery'], function($) {
                                             i === 'enabled' ||
                                             i === 'global' ||
                                             i === 'dismissible' ||
-                                            i === 'aicon'
+                                            i === 'aicon' ||
+                                            i === 'sendnotifications'
                                         ) && data[i] == 1) {
                                         affectelement.prop('checked', true);
                                     } else if (
                                         (i === 'enabled' ||
                                             i === 'global' ||
                                             i === 'dismissible' ||
-                                            i === 'aicon') && data[i] == 0) {
+                                            i === 'aicon' ||
+                                            i === 'sendnotifications'
+                                        ) && data[i] == 0) {
                                         affectelement.prop('checked', false);
                                     } else {
                                         affectelement.val(data[i]);
@@ -240,6 +243,11 @@ define(['jquery'], function($) {
                     reloadPreview();
                 });
 
+                $('#add_notification_sendnotifications').on('change', function() {
+                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).
+                    reloadPreview();
+                });
+
                 // Check if preview is displaying correct (Update it).
                 var reloadPreview = function() {
                     // Update title.
@@ -392,4 +400,4 @@ define(['jquery'], function($) {
             });
         }
     };
-});
\ No newline at end of file
+});
diff --git a/db/install.xml b/db/install.xml
index 46987a1..4b5f825 100755
--- a/db/install.xml
+++ b/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="blocks/advnotifications/db" VERSION="20210929" COMMENT="XMLDB file for Moodle blocks/advnotifications"
+<XMLDB PATH="blocks/advnotifications/db" VERSION="20211014" COMMENT="XMLDB file for Moodle blocks/advnotifications"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
 >
@@ -11,6 +11,7 @@
         <FIELD NAME="message" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="To be used as notification's message"/>
         <FIELD NAME="type" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="info" SEQUENCE="false" COMMENT="What type of notification to be displayed"/>
         <FIELD NAME="aicon" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Toggle whether an icon should be displayed or not"/>
+        <FIELD NAME="sendnotifications" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
         <FIELD NAME="enabled" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Toggle whether notification is enabled/displayed or not"/>
         <FIELD NAME="global" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Toggles whether notification is a global or instance-based"/>
         <FIELD NAME="blockid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Toggles whether notification is a global or instance-based"/>
diff --git a/db/upgrade.php b/db/upgrade.php
index 8d17ef6..cfd0b34 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -159,6 +159,15 @@ function xmldb_block_advnotifications_upgrade($oldversion) {
             $dbman->create_table($table);
         }
 
+        // Define field id to be added to block_advnotifications.
+        $table = new xmldb_table('block_advnotifications');
+        $field = new xmldb_field('sendnotifications', XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, '0', 'aicon');
+
+        // Conditionally launch add field id.
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+
         // Advnotifications savepoint reached.
         upgrade_block_savepoint(true, 2021101400, 'advnotifications');
     }
diff --git a/lang/en/block_advnotifications.php b/lang/en/block_advnotifications.php
index bb4e71b..40e9700 100644
--- a/lang/en/block_advnotifications.php
+++ b/lang/en/block_advnotifications.php
@@ -85,6 +85,7 @@
 $string['advnotifications_cancel'] = 'Cancel';
 $string['advnotifications_req'] = 'Required...';
 $string['advnotifications_preview'] = 'Preview';
+$string['advnotifications_sendnotifications'] = 'Send notitications via site notification system (usually will appear on the bell icon on top)';
 
 // Renderer.
 $string['advnotifications_add_heading'] = 'New notification';
diff --git a/pages/process.php b/pages/process.php
index 28010d4..b095af8 100644
--- a/pages/process.php
+++ b/pages/process.php
@@ -61,6 +61,7 @@
 $type = optional_param('type', null, PARAM_TEXT);
 $times = optional_param('times', null, PARAM_INT);
 $aicon = optional_param('aicon', null, PARAM_TEXT);
+$sendnotifications = optional_param('sendnotifications', null, PARAM_TEXT);
 $dismissible = optional_param('dismissible', null, PARAM_TEXT);
 $datefrom = optional_param('date_from', null, PARAM_TEXT);
 $dateto = optional_param('date_to', null, PARAM_TEXT);
@@ -101,6 +102,11 @@
 } else {
     $dismissible = 0;
 }
+if ($sendnotifications == 'on' || $sendnotifications == '1') {
+    $sendnotifications = 1;
+} else {
+    $sendnotifications = 0;
+}
 
 // TODO: Check if successful?
 // Convert dates to epoch for DB. If empty, set to 0 (forever) by default.
@@ -265,6 +271,7 @@
     $urow->message = $message;
     $urow->type = $type;
     $urow->aicon = $aicon;
+    $urow->sendnotifications = $sendnotifications;
     $urow->enabled = $enabled;
     $urow->global = $global;
     $urow->blockid = $blockinstance;
@@ -347,6 +354,7 @@
     $row->message = $message;
     $row->type = $type;
     $row->aicon = $aicon;
+    $row->sendnotifications = $sendnotifications;
     $row->enabled = $enabled;
     $row->global = $global;
     $row->blockid = $blockinstance;
diff --git a/renderer.php b/renderer.php
index 1647aec..91b5ae4 100644
--- a/renderer.php
+++ b/renderer.php
@@ -189,6 +189,11 @@ class="form-check-input"
                                     <label for="add_notification_dismissible" class="form-check-label">' .
                                         get_string('advnotifications_dismissible', 'block_advnotifications') . '</label>
                                 </div>
+                                <div class="form-check">
+                                    <input type="checkbox" id="add_notification_sendnotifications" class="form-check-input" name="sendnotifications"/>
+                                    <label for="add_notification_sendnotifications" class="form-check-label">' .
+                                        get_string('advnotifications_sendnotifications', 'block_advnotifications') . '</label>
+                                </div>
                             </div>
                             <div class="form-group">
                                 <label for="add_notification_date_from" class="form-text">' .
@@ -240,4 +245,4 @@ class="btn btn-primary"
 
         return $html;
     }
-}
\ No newline at end of file
+}

From 9b0b0bc933c862cef2adcfd13b16ff017e72df5f Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Thu, 23 Sep 2021 11:50:04 -0300
Subject: [PATCH 04/10] send notifications using ad hoc tasks

---
 classes/task/sendnotifications.php | 84 ++++++++++++++++++++++++++++++
 db/messages.php                    | 35 +++++++++++++
 lang/en/block_advnotifications.php |  2 +
 pages/process.php                  | 18 +++++++
 4 files changed, 139 insertions(+)
 create mode 100644 classes/task/sendnotifications.php
 create mode 100644 db/messages.php

diff --git a/classes/task/sendnotifications.php b/classes/task/sendnotifications.php
new file mode 100644
index 0000000..f9471c1
--- /dev/null
+++ b/classes/task/sendnotifications.php
@@ -0,0 +1,84 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Ad hoc task to send notifications.
+ *
+ * @package    block_advnotifications
+ * @copyright  2021 Daniel Neis Araujo <daniel@adapta.online>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace block_advnotifications\task;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Ad hoc task to send notifications class.
+ *
+ * @package    block_advnotifications
+ * @copyright  2021 Daniel Neis Araujo <daniel@adapta.online>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class sendnotifications extends \core\task\adhoc_task {
+
+    /**
+     * Return the task's name as shown in admin screens.
+     *
+     * @return string
+     */
+    public function get_name() {
+        return get_string('sendnotificationstask', 'block-advnotifications');
+    }
+
+    public function execute() {
+        global $DB;
+
+        if (!get_config('block_advnotifications', 'enable')) {
+            return;
+        }
+
+        $from = \core_user::get_noreply_user();
+
+        $notification = $DB->get_record('block_advnotifications', ['id' => $this->get_custom_data()->notificationid]);
+
+        if (!$notification->enabled) {
+            return;
+        }
+
+        $bcontext = \context_block::instance($notification->blockid);
+        if ($ccontext = $bcontext->get_course_context(false)) {
+            $users = get_enrolled_users($ccontext, '', 0 , 'u.id');
+        } else {
+            $users = $DB->get_records('user', ['deleted' => 0, 'suspended' => 0], '', 'id');
+        }
+
+        foreach ($users as $u) {
+            $eventdata = new \core\message\message();
+            $eventdata->component         = 'block_advnotifications';
+            $eventdata->name              = 'sendadvnotifications';
+            $eventdata->userfrom          = $from;
+            $eventdata->userto            = $u->id;
+            $eventdata->subject           = $notification->title;
+            $eventdata->fullmessage       = format_text($notification->message, FORMAT_MOODLE);
+            $eventdata->fullmessageformat = FORMAT_MOODLE;
+            $eventdata->fullmessagehtml   = format_text($notification->message, FORMAT_MOODLE);
+            $eventdata->smallmessage      = '';
+            $eventdata->notification      = true;
+            message_send($eventdata);
+        }
+    }
+}
diff --git a/db/messages.php b/db/messages.php
new file mode 100644
index 0000000..7b9673b
--- /dev/null
+++ b/db/messages.php
@@ -0,0 +1,35 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Message providers.
+ *
+ * @package   block_advnotifications
+ * @copyright 2021 Daniel Neis Araujo <daniel@adapta.online>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$messageproviders = [
+    // Send notifications to users.
+    'sendadvnotifications' => [
+        'defaults' => [
+           'popup' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_LOGGEDIN,
+           'email' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_LOGGEDIN + MESSAGE_DEFAULT_LOGGEDOFF
+        ],
+    ],
+];
diff --git a/lang/en/block_advnotifications.php b/lang/en/block_advnotifications.php
index 40e9700..ce2547c 100644
--- a/lang/en/block_advnotifications.php
+++ b/lang/en/block_advnotifications.php
@@ -162,6 +162,8 @@
 $string['operator_contains'] = 'Contains';
 $string['operator_equals'] = 'Equals';
 
+$string['messageprovider:sendadvnotifications'] = 'Send advanced notifications to users';
+
 // Privacy API.
 $string['privacy:metadata:block_advnotifications'] = 'Information about notifications the user has been exposed to and recorded interactions.';
 $string['privacy:metadata:block_advnotifications:title'] = 'The title of the notification.';
diff --git a/pages/process.php b/pages/process.php
index b095af8..c8aa64e 100644
--- a/pages/process.php
+++ b/pages/process.php
@@ -299,6 +299,15 @@
     $event = \block_advnotifications\event\notification_updated::create($params);
     $event->trigger();
 
+    if ($urow->sendnotifications) {
+        $task = new block_advnotifications\task\sendnotifications();
+        $task->set_custom_data(['notificationid' => $id]);
+        if ($datefrom > time()) {
+            $task->set_next_run_time($datefrom);
+        }
+        \core\task\manager::reschedule_or_queue_adhoc_task($task);
+    }
+
     if ($ajax) {
         echo json_encode(array("updated" => $title));
         exit();
@@ -378,6 +387,15 @@
     $event = \block_advnotifications\event\notification_created::create($params);
     $event->trigger();
 
+    if ($row->sendnotifications) {
+        $task = new block_advnotifications\task\sendnotifications();
+        $task->set_custom_data(['notificationid' => $id]);
+        if ($datefrom > time()) {
+            $task->set_next_run_time($datefrom);
+        }
+        \core\task\manager::queue_adhoc_task($task);
+    }
+
     // Send JSON response if AJAX call was made, otherwise simply redirect to origin page.
     if ($ajax) {
         // Return Successful.

From 55088d7843be4af266365eba86bfca201e333dd0 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Tue, 28 Sep 2021 11:18:55 -0300
Subject: [PATCH 05/10] remove unneeded reload and add sendnotifications column
 on table

---
 amd/build/custom.min.js            |  2 +-
 amd/build/custom.min.js.map        |  2 +-
 amd/src/custom.js                  |  5 -----
 classes/base_table.php             | 15 ++++++++++++++-
 lang/en/block_advnotifications.php |  1 +
 5 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/amd/build/custom.min.js b/amd/build/custom.min.js
index 7652016..0fe6e1b 100644
--- a/amd/build/custom.min.js
+++ b/amd/build/custom.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("block_advnotifications/custom",["jquery"],function(a){return{initialise:function initialise(){a(document).ready(function(){var b=a("#region-main"),c=a("#add_notification_wrapper_id"),d={save:"Save",update:"Update",req:"Required...",preview:"Preview",title:"Title",message:"Message"};b.on("click",".notifications_table tr > td > form > button[type=submit]",function(b){b.preventDefault();var c={call:"ajax",purpose:"",tableaction:"",blockid:""},g=a(this).closest("form").attr("data-edit"),j=a(this).closest("form").attr("data-delete");c.blockid=a(this).closest("form").find("[name=blockid]")[0].value;h();if(_typeof(g)!=="undefined"&&!1!==g){c.purpose="edit";c.tableaction=g;var k=a("#add_notification_save");k.addClass("update");k.val(d.update)}else if(_typeof(j)!=="undefined"&&!1!==j){c.purpose="delete";c.tableaction=j}var l=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(l,c).fail(function(){console.error("No 'manage' response received.")}).done(function(b){b=JSON.parse(b);if(0<parseInt(b.done,10)){a("#tr"+c.purpose+b.done).closest("tr").fadeOut(250,function(){a(this).remove();i();f()})}else if("edit"===c.purpose){for(var d in b){if(b.hasOwnProperty(d)){if("id"===d){var g=a("#add_notification_form");a("#add_notification_id").remove();g.prepend("<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\""+b[d]+"\"/>");a("#add_notification_purpose").val("update")}var h=a("#add_notification_wrapper_id").find("#add_notification_"+d);if(("enabled"===d||"global"===d||"dismissible"===d||"aicon"===d||"sendnotifications"===d)&&1==b[d]){h.prop("checked",!0)}else if(("enabled"===d||"global"===d||"dismissible"===d||"aicon"===d||"sendnotifications"===d)&&0==b[d]){h.prop("checked",!1)}else{h.val(b[d])}}}e()}})});b.on("click",".notifications_restore_table tr > td > form > button[type=submit]",function(b){b.preventDefault();var c={call:"ajax",purpose:"",tableaction:"",blockid:""},d=a(this).closest("form").attr("data-restore"),e=a(this).closest("form").attr("data-permdelete");c.blockid=a(this).closest("form").find("[name=blockid]")[0].value;if(_typeof(d)!=="undefined"&&!1!==d){c.purpose="restore";c.tableaction=d}else if(_typeof(e)!=="undefined"&&!1!==e){c.purpose="permdelete";c.tableaction=e}var f=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(f,c).fail(function(){console.error("No 'restore/permdelete' response received.")}).done(function(b){b=JSON.parse(b);if(0<parseInt(b.done,10)){a("#tr"+c.purpose+b.done).closest("tr").fadeOut(250,function(){a(this).remove()})}})});c.on("click","#add_notification_cancel",function(a){a.preventDefault();i()});b.on("submit","#add_notification_form",function(b){b.preventDefault();var c=a("#add_notification_status"),e=a("#add_notification_form");h();if(!g()){return}c.show();var f=a(this).serialize(),j=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php";a.post(j,f).fail(function(b){console.error("No 'add' response received.");var f=b.responseJSON.error;for(var g in f){if(f.hasOwnProperty(g)){var h=e.find("select[name="+f[g]+"]");h.addClass("requiredfield");a("<strong class=\"requiredfield\"><em>"+d.req+"</em></strong>").insertAfter(h[0].nextSibling)}}c.hide()}).done(function(){c.find(".saving").hide();c.find(".done").show();i();setTimeout(function(){c.fadeOut(function(){c.find(".done").hide();c.find(".saving").show()})},1500);a("#advnotifications_table_wrapper").load("# #advnotifications_table_wrapper > *")})});c.on("input propertychange paste","#add_notification_title, #add_notification_message",function(){e()});a("#add_notification_type").on("change",function(){e()});a("#add_notification_dismissible").on("change",function(){e()});a("#add_notification_aicon").on("change",function(){e()});a("#add_notification_sendnotifications").on("change",function(){e()});var e=function(){var b=c.find("#add_notification_title");if(0<b.val().length){c.find(".preview-title")[0].innerHTML=b.val()}else{c.find(".preview-title")[0].innerHTML=d.title}var e=c.find("#add_notification_message");if(0<e.val().length){c.find(".preview-message")[0].innerHTML=e.val()}else{c.find(".preview-message")[0].innerHTML=d.message}var f=a("#add_notification_type").val(),g=a("#add_notification_wrapper_id .preview-alert");g.removeClass("alert-info alert-success alert-danger alert-warning announcement");if("announcement"===f){g.addClass(f);f="info"}if("info"!==f&&"success"!==f&&"warning"!==f&&"danger"!==f){f="info"}g.addClass("alert-"+f);a(".preview-aicon").find("> img").attr("src",M.util.image_url(f,"block_advnotifications"));if(!a("#add_notification_dismissible")[0].checked){a(".preview-alert-dismissible").hide();g.removeClass("dismissible")}else{a(".preview-alert-dismissible").show();g.addClass("dismissible")}if(!a("#add_notification_aicon")[0].checked){a(".preview-aicon").hide();g.removeClass("aicon")}else{a(".preview-aicon").show();g.addClass("aicon")}},f=function(){var b=a("#notification_preview_wrapper"),e="<div id=\"notification_preview_wrapper\"><strong>"+d.preview+"</strong><br><div class=\"alert alert-info preview-alert\"><div class=\"preview-aicon\" style=\"display: none;\"><img src=\""+M.util.image_url("info","block_advnotifications")+"\" /></div><strong class=\"preview-title\">"+d.title+"</strong> <div class=\"preview-message\">"+d.message+"</div> <div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div></div></div>";if(0<b.length){b.remove();a(e).prependTo(a(c))}else{a(e).prependTo(a(c)).hide().slideDown()}},g=function(){var b=a("#add_notification_form select option:selected:disabled");for(var c in b){if(b.hasOwnProperty(c)){if(a(b[c]).prop("disabled")){a(b[c]).closest("select").addClass("requiredfield");a("<strong class=\"requiredfield\"><em>"+d.req+"</em></strong>").insertAfter(a(b[c]).closest("select")[0].nextSibling);return!1}}}return!0},h=function(){a("select.requiredfield").removeClass("requiredfield");a("strong.requiredfield").remove()},i=function(){a("#add_notification_form")[0].reset();h();f();var b=a("#add_notification_save");b.removeClass("update");a("#add_notification_id").remove();a("#add_notification_purpose").val("add");b.val(d.save)};(function init(){var b=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(b,{call:"ajax",purpose:"strings"}).fail(function(){console.error("No 'strings' response received.")}).done(function(a){d=a}).always(function(){f()});a("#add_notification_form").append("<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>")})()})}}});
+function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("block_advnotifications/custom",["jquery"],function(a){return{initialise:function initialise(){a(document).ready(function(){var b=a("#region-main"),c=a("#add_notification_wrapper_id"),d={save:"Save",update:"Update",req:"Required...",preview:"Preview",title:"Title",message:"Message"};b.on("click",".notifications_table tr > td > form > button[type=submit]",function(b){b.preventDefault();var c={call:"ajax",purpose:"",tableaction:"",blockid:""},g=a(this).closest("form").attr("data-edit"),j=a(this).closest("form").attr("data-delete");c.blockid=a(this).closest("form").find("[name=blockid]")[0].value;h();if(_typeof(g)!=="undefined"&&!1!==g){c.purpose="edit";c.tableaction=g;var k=a("#add_notification_save");k.addClass("update");k.val(d.update)}else if(_typeof(j)!=="undefined"&&!1!==j){c.purpose="delete";c.tableaction=j}var l=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(l,c).fail(function(){console.error("No 'manage' response received.")}).done(function(b){b=JSON.parse(b);if(0<parseInt(b.done,10)){a("#tr"+c.purpose+b.done).closest("tr").fadeOut(250,function(){a(this).remove();i();f()})}else if("edit"===c.purpose){for(var d in b){if(b.hasOwnProperty(d)){if("id"===d){var g=a("#add_notification_form");a("#add_notification_id").remove();g.prepend("<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\""+b[d]+"\"/>");a("#add_notification_purpose").val("update")}var h=a("#add_notification_wrapper_id").find("#add_notification_"+d);if(("enabled"===d||"global"===d||"dismissible"===d||"aicon"===d||"sendnotifications"===d)&&1==b[d]){h.prop("checked",!0)}else if(("enabled"===d||"global"===d||"dismissible"===d||"aicon"===d||"sendnotifications"===d)&&0==b[d]){h.prop("checked",!1)}else{h.val(b[d])}}}e()}})});b.on("click",".notifications_restore_table tr > td > form > button[type=submit]",function(b){b.preventDefault();var c={call:"ajax",purpose:"",tableaction:"",blockid:""},d=a(this).closest("form").attr("data-restore"),e=a(this).closest("form").attr("data-permdelete");c.blockid=a(this).closest("form").find("[name=blockid]")[0].value;if(_typeof(d)!=="undefined"&&!1!==d){c.purpose="restore";c.tableaction=d}else if(_typeof(e)!=="undefined"&&!1!==e){c.purpose="permdelete";c.tableaction=e}var f=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(f,c).fail(function(){console.error("No 'restore/permdelete' response received.")}).done(function(b){b=JSON.parse(b);if(0<parseInt(b.done,10)){a("#tr"+c.purpose+b.done).closest("tr").fadeOut(250,function(){a(this).remove()})}})});c.on("click","#add_notification_cancel",function(a){a.preventDefault();i()});b.on("submit","#add_notification_form",function(b){b.preventDefault();var c=a("#add_notification_status"),e=a("#add_notification_form");h();if(!g()){return}c.show();var f=a(this).serialize(),j=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php";a.post(j,f).fail(function(b){console.error("No 'add' response received.");var f=b.responseJSON.error;for(var g in f){if(f.hasOwnProperty(g)){var h=e.find("select[name="+f[g]+"]");h.addClass("requiredfield");a("<strong class=\"requiredfield\"><em>"+d.req+"</em></strong>").insertAfter(h[0].nextSibling)}}c.hide()}).done(function(){c.find(".saving").hide();c.find(".done").show();i();setTimeout(function(){c.fadeOut(function(){c.find(".done").hide();c.find(".saving").show()})},1500);a("#advnotifications_table_wrapper").load("# #advnotifications_table_wrapper > *")})});c.on("input propertychange paste","#add_notification_title, #add_notification_message",function(){e()});a("#add_notification_type").on("change",function(){e()});a("#add_notification_dismissible").on("change",function(){e()});a("#add_notification_aicon").on("change",function(){e()});var e=function(){var b=c.find("#add_notification_title");if(0<b.val().length){c.find(".preview-title")[0].innerHTML=b.val()}else{c.find(".preview-title")[0].innerHTML=d.title}var e=c.find("#add_notification_message");if(0<e.val().length){c.find(".preview-message")[0].innerHTML=e.val()}else{c.find(".preview-message")[0].innerHTML=d.message}var f=a("#add_notification_type").val(),g=a("#add_notification_wrapper_id .preview-alert");g.removeClass("alert-info alert-success alert-danger alert-warning announcement");if("announcement"===f){g.addClass(f);f="info"}if("info"!==f&&"success"!==f&&"warning"!==f&&"danger"!==f){f="info"}g.addClass("alert-"+f);a(".preview-aicon").find("> img").attr("src",M.util.image_url(f,"block_advnotifications"));if(!a("#add_notification_dismissible")[0].checked){a(".preview-alert-dismissible").hide();g.removeClass("dismissible")}else{a(".preview-alert-dismissible").show();g.addClass("dismissible")}if(!a("#add_notification_aicon")[0].checked){a(".preview-aicon").hide();g.removeClass("aicon")}else{a(".preview-aicon").show();g.addClass("aicon")}},f=function(){var b=a("#notification_preview_wrapper"),e="<div id=\"notification_preview_wrapper\"><strong>"+d.preview+"</strong><br><div class=\"alert alert-info preview-alert\"><div class=\"preview-aicon\" style=\"display: none;\"><img src=\""+M.util.image_url("info","block_advnotifications")+"\" /></div><strong class=\"preview-title\">"+d.title+"</strong> <div class=\"preview-message\">"+d.message+"</div> <div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div></div></div>";if(0<b.length){b.remove();a(e).prependTo(a(c))}else{a(e).prependTo(a(c)).hide().slideDown()}},g=function(){var b=a("#add_notification_form select option:selected:disabled");for(var c in b){if(b.hasOwnProperty(c)){if(a(b[c]).prop("disabled")){a(b[c]).closest("select").addClass("requiredfield");a("<strong class=\"requiredfield\"><em>"+d.req+"</em></strong>").insertAfter(a(b[c]).closest("select")[0].nextSibling);return!1}}}return!0},h=function(){a("select.requiredfield").removeClass("requiredfield");a("strong.requiredfield").remove()},i=function(){a("#add_notification_form")[0].reset();h();f();var b=a("#add_notification_save");b.removeClass("update");a("#add_notification_id").remove();a("#add_notification_purpose").val("add");b.val(d.save)};(function init(){var b=M.cfg.wwwroot+"/blocks/advnotifications/pages/process.php?sesskey="+M.cfg.sesskey;a.post(b,{call:"ajax",purpose:"strings"}).fail(function(){console.error("No 'strings' response received.")}).done(function(a){d=a}).always(function(){f()});a("#add_notification_form").append("<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>")})()})}}});
 //# sourceMappingURL=custom.min.js.map
diff --git a/amd/build/custom.min.js.map b/amd/build/custom.min.js.map
index 189ce84..33af344 100644
--- a/amd/build/custom.min.js.map
+++ b/amd/build/custom.min.js.map
@@ -1 +1 @@
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eslint no-console: [\"error\", { allow: [\"error\"] }], max-nested-callbacks: [\"error\", 7] */\n/**\n * @package    block_advnotifications\n * @copyright  2019 onwards LearningWorks Ltd {@link https://learningworks.co.nz/}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @author     Zander Potgieter <zander.potgieter@learningworks.co.nz>\n */\n\n/**\n * @module block_advnotifications/custom\n */\ndefine(['jquery'], function($) {\n    // JQuery is available via $.\n\n    return {\n        initialise: function() {\n            // Module initialised.\n            $(document).ready(function() {\n                // Commonly (multiple times) used elements.\n                var mainregion = $('#region-main');\n                var addregion = $('#add_notification_wrapper_id');\n                var strings = {\n                    save: 'Save',\n                    update: 'Update',\n                    req: 'Required...',\n                    preview: 'Preview',\n                    title: 'Title',\n                    message: 'Message'\n                };\n\n                // MANAGING NOTIFICATIONS.\n                mainregion.on('click', '.notifications_table tr > td > form > button[type=submit]', function(e) {\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to edit/delete.\n                    var eattr = $(this).closest('form').attr('data-edit');\n                    var dattr = $(this).closest('form').attr('data-delete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n                    refreshRequired();\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof eattr !== typeof undefined && eattr !== false) {\n                        senddata.purpose = 'edit';\n                        senddata.tableaction = eattr;\n\n                        var savebutton = $('#add_notification_save');\n                        savebutton.addClass('update');\n                        savebutton.val(strings.update);\n                    } else if (typeof dattr !== typeof undefined && dattr !== false) {\n                        senddata.purpose = 'delete';\n                        senddata.tableaction = dattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'manage' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/edited notification.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                                clearForm();\n                                refreshPreview();\n                            });\n                        } else if (senddata.purpose === \"edit\") {\n                            for (var i in data) {\n                                if (data.hasOwnProperty(i)) {\n\n                                    // Need this for updating.\n                                    if (i === \"id\") {\n                                        var form = $('#add_notification_form');\n\n                                        // Because we're doing a standard submit, we need extra inputs to pass params.\n                                        // But first, remove old hidden inputs.\n                                        $('#add_notification_id').remove();\n                                        form.prepend(\n                                            '<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\"' + data[i] + '\"/>'\n                                        );\n\n                                        $('#add_notification_purpose').val('update');\n                                    }\n\n                                    var affectelement = $('#add_notification_wrapper_id').find('#add_notification_' + i);\n\n                                    // Check whether checkboxes should be checked or not.\n                                    // We also don't assign a value to checkbox input fields.\n                                    if (\n                                        (\n                                            i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon' ||\n                                            i === 'sendnotifications'\n                                        ) && data[i] == 1) {\n                                        affectelement.prop('checked', true);\n                                    } else if (\n                                        (i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon' ||\n                                            i === 'sendnotifications'\n                                        ) && data[i] == 0) {\n                                        affectelement.prop('checked', false);\n                                    } else {\n                                        affectelement.val(data[i]);\n                                    }\n                                }\n                            }\n                            reloadPreview();\n                        }\n                    });\n                });\n\n                // Restore & Permanently delete notifications.\n                mainregion.on('click', '.notifications_restore_table tr > td > form > button[type=submit]', function(e) {\n\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to restore/delete.\n                    var rattr = $(this).closest('form').attr('data-restore');\n                    var pdattr = $(this).closest('form').attr('data-permdelete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof rattr !== typeof undefined && rattr !== false) {\n                        senddata.purpose = 'restore';\n                        senddata.tableaction = rattr;\n                    } else if (typeof pdattr !== typeof undefined && pdattr !== false) {\n                        senddata.purpose = 'permdelete';\n                        senddata.tableaction = pdattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'restore/permdelete' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/restored notification.\n                        // Object 'done' is returned for both restore & delete.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                            });\n                        }\n                    });\n                });\n\n                // Clear form.\n                addregion.on('click', '#add_notification_cancel', function(e) {\n                    e.preventDefault();\n                    clearForm();\n                });\n\n                // Managing more notifications.\n                mainregion.on('submit', '#add_notification_form', function(e) {\n                    e.preventDefault();\n                    var status = $('#add_notification_status');\n                    var form = $('#add_notification_form');\n\n                    refreshRequired();\n                    if (!checkRequired()) {\n                        // Stop if required fields are not supplied.\n                        return;\n                    }\n\n                    status.show();\n\n                    var senddata = $(this).serialize(); // Data Object.\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php\";\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function(data) {\n                        console.error(\"No 'add' response received.\");\n\n                        var error = data.responseJSON.error;\n\n                        for (var i in error) {\n                            if (error.hasOwnProperty(i)) {\n                                var sfield = form.find('select[name=' + error[i] + ']');\n                                sfield.addClass('requiredfield');\n                                $(\n                                    '<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>'\n                                ).insertAfter(sfield[0].nextSibling);\n                            }\n                        }\n\n                        status.hide();\n                    }).done(function() {\n                        // User saved notification.\n                        status.find('.saving').hide();\n                        status.find('.done').show();\n\n                        // Clear Form.\n                        clearForm();\n\n                        setTimeout(function() {\n                            status.fadeOut(function() {\n                                status.find('.done').hide();\n                                status.find('.saving').show();\n                            });\n                        }, 1500);\n\n                        $('#advnotifications_table_wrapper').load('# #advnotifications_table_wrapper > *');\n                    });\n                });\n\n                // LIVE PREVIEW.\n                // Dynamically update preview alert as user changes textbox content.\n                addregion.on('input propertychange paste', '#add_notification_title, #add_notification_message', function() {\n                    reloadPreview();\n                });\n\n                // Dynamically update preview alert type.\n                $('#add_notification_type').on('change', function() {\n                    reloadPreview();\n                });\n\n                $('#add_notification_dismissible').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                $('#add_notification_aicon').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                $('#add_notification_sendnotifications').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                // Check if preview is displaying correct (Update it).\n                var reloadPreview = function() {\n                    // Update title.\n                    var title = addregion.find('#add_notification_title');\n                    if (title.val().length > 0) {\n                        addregion.find('.preview-title')[0].innerHTML = title.val();\n                    } else {\n                        addregion.find('.preview-title')[0].innerHTML = strings.title;\n                    }\n\n                    // Update message.\n                    var message = addregion.find('#add_notification_message');\n                    if (message.val().length > 0) {\n                        addregion.find('.preview-message')[0].innerHTML = message.val();\n                    } else {\n                        addregion.find('.preview-message')[0].innerHTML = strings.message;\n                    }\n\n                    // Check notification type.\n                    var alerttype = $('#add_notification_type').val();\n                    var previewalert = $('#add_notification_wrapper_id .preview-alert');\n\n                    // Clear existing classes.\n                    previewalert.removeClass('alert-info alert-success alert-danger alert-warning announcement');\n\n                    // Special check for announcement type.\n                    if (alerttype === 'announcement') {\n                        previewalert.addClass(alerttype);\n                        alerttype = 'info';\n                    }\n\n                    // If anything unexpected, set to info type.\n                    if (alerttype !== 'info' && alerttype !== 'success' && alerttype !== 'warning' && alerttype !== 'danger') {\n                        alerttype = 'info';\n                    }\n\n                    // Add type of alert class.\n                    previewalert.addClass('alert-' + alerttype);\n\n                    $('.preview-aicon').find('> img').attr('src', M.util.image_url(alerttype, 'block_advnotifications'));\n\n                    // Check if dismissable.\n                    if (!$('#add_notification_dismissible')[0].checked) {\n                        $('.preview-alert-dismissible').hide();\n                        previewalert.removeClass('dismissible');\n                    } else {\n                        $('.preview-alert-dismissible').show();\n                        previewalert.addClass('dismissible');\n                    }\n\n                    // Check if icon should be shown.\n                    if (!$('#add_notification_aicon')[0].checked) {\n                        $('.preview-aicon').hide();\n                        previewalert.removeClass('aicon');\n                    } else {\n                        $('.preview-aicon').show();\n                        previewalert.addClass('aicon');\n                    }\n                };\n\n                var init = function() {\n                    // Get strings.\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = 'strings';\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'strings' response received.\");\n                    }).done(function(data) {\n                        // TODO: ONLY DO THIS IF AJAX SUCCESSFUL - don't render with English first?).\n                        // Store strings and update preview.\n                        strings = data;\n                    }).always(function() {\n                        // Always prepend live preview. Use langstrings if AJAX successful, otherwise use strings declared at top.\n                        refreshPreview();\n                    });\n\n                    // JS is enabled, so we can use AJAX in the new notification form.\n                    $('#add_notification_form').append(\n                        '<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>'\n                    );\n                };\n\n                // Shiny new and fresh preview.\n                var refreshPreview = function() {\n                    var previewelem = $('#notification_preview_wrapper');\n                    var previewdom =\n                        '<div id=\"notification_preview_wrapper\">' +\n                            '<strong>' + strings.preview + '</strong><br>' +\n                            '<div class=\"alert alert-info preview-alert\">' +\n                                '<div class=\"preview-aicon\" style=\"display: none;\">' +\n                                    '<img src=\"' + M.util.image_url('info', 'block_advnotifications') + '\" />' +\n                                '</div>' +\n                                '<strong class=\"preview-title\">' + strings.title + '</strong> ' +\n                                '<div class=\"preview-message\">' + strings.message + '</div> ' +\n                                '<div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div>' +\n                            '</div>' +\n                        '</div>';\n\n                    // If it exists already, remove before adding again.\n                    if (previewelem.length > 0) {\n                        previewelem.remove();\n                        // Don't slide in.\n                        $(previewdom).prependTo($(addregion));\n                    } else {\n                        // Slide in.\n                        $(previewdom).prependTo($(addregion)).hide().slideDown();\n                    }\n                };\n\n                var checkRequired = function() {\n                    var disselopt = $('#add_notification_form select option:selected:disabled');\n\n                    for (var opt in disselopt) {\n                        if (disselopt.hasOwnProperty(opt)) {\n                            if ($(disselopt[opt]).prop('disabled')) {\n                                $(disselopt[opt]).closest('select').addClass('requiredfield');\n                                $('<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>')\n                                    .insertAfter($(disselopt[opt]).closest('select')[0].nextSibling);\n\n                                return false;\n                            }\n                        }\n                    }\n                    return true;\n                };\n\n                var refreshRequired = function() {\n                    $('select.requiredfield').removeClass('requiredfield');\n                    $('strong.requiredfield').remove();\n                };\n\n                var clearForm = function() {\n                    $('#add_notification_form')[0].reset();\n                    refreshRequired();\n                    refreshPreview();\n\n                    // Change save button back to normal.\n                    var savebutton = $('#add_notification_save');\n                    savebutton.removeClass('update');\n                    $('#add_notification_id').remove();\n                    $('#add_notification_purpose').val('add');\n\n                    savebutton.val(strings.save);\n                };\n\n                init();\n            });\n        }\n    };\n});\n"],"file":"custom.min.js"}
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eslint no-console: [\"error\", { allow: [\"error\"] }], max-nested-callbacks: [\"error\", 7] */\n/**\n * @package    block_advnotifications\n * @copyright  2019 onwards LearningWorks Ltd {@link https://learningworks.co.nz/}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @author     Zander Potgieter <zander.potgieter@learningworks.co.nz>\n */\n\n/**\n * @module block_advnotifications/custom\n */\ndefine(['jquery'], function($) {\n    // JQuery is available via $.\n\n    return {\n        initialise: function() {\n            // Module initialised.\n            $(document).ready(function() {\n                // Commonly (multiple times) used elements.\n                var mainregion = $('#region-main');\n                var addregion = $('#add_notification_wrapper_id');\n                var strings = {\n                    save: 'Save',\n                    update: 'Update',\n                    req: 'Required...',\n                    preview: 'Preview',\n                    title: 'Title',\n                    message: 'Message'\n                };\n\n                // MANAGING NOTIFICATIONS.\n                mainregion.on('click', '.notifications_table tr > td > form > button[type=submit]', function(e) {\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to edit/delete.\n                    var eattr = $(this).closest('form').attr('data-edit');\n                    var dattr = $(this).closest('form').attr('data-delete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n                    refreshRequired();\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof eattr !== typeof undefined && eattr !== false) {\n                        senddata.purpose = 'edit';\n                        senddata.tableaction = eattr;\n\n                        var savebutton = $('#add_notification_save');\n                        savebutton.addClass('update');\n                        savebutton.val(strings.update);\n                    } else if (typeof dattr !== typeof undefined && dattr !== false) {\n                        senddata.purpose = 'delete';\n                        senddata.tableaction = dattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'manage' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/edited notification.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                                clearForm();\n                                refreshPreview();\n                            });\n                        } else if (senddata.purpose === \"edit\") {\n                            for (var i in data) {\n                                if (data.hasOwnProperty(i)) {\n\n                                    // Need this for updating.\n                                    if (i === \"id\") {\n                                        var form = $('#add_notification_form');\n\n                                        // Because we're doing a standard submit, we need extra inputs to pass params.\n                                        // But first, remove old hidden inputs.\n                                        $('#add_notification_id').remove();\n                                        form.prepend(\n                                            '<input type=\"hidden\" id=\"add_notification_id\" name=\"id\" value=\"' + data[i] + '\"/>'\n                                        );\n\n                                        $('#add_notification_purpose').val('update');\n                                    }\n\n                                    var affectelement = $('#add_notification_wrapper_id').find('#add_notification_' + i);\n\n                                    // Check whether checkboxes should be checked or not.\n                                    // We also don't assign a value to checkbox input fields.\n                                    if (\n                                        (\n                                            i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon' ||\n                                            i === 'sendnotifications'\n                                        ) && data[i] == 1) {\n                                        affectelement.prop('checked', true);\n                                    } else if (\n                                        (i === 'enabled' ||\n                                            i === 'global' ||\n                                            i === 'dismissible' ||\n                                            i === 'aicon' ||\n                                            i === 'sendnotifications'\n                                        ) && data[i] == 0) {\n                                        affectelement.prop('checked', false);\n                                    } else {\n                                        affectelement.val(data[i]);\n                                    }\n                                }\n                            }\n                            reloadPreview();\n                        }\n                    });\n                });\n\n                // Restore & Permanently delete notifications.\n                mainregion.on('click', '.notifications_restore_table tr > td > form > button[type=submit]', function(e) {\n\n                    e.preventDefault();\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = '';\n                    senddata.tableaction = '';\n                    senddata.blockid = '';\n\n                    // Check if user wants to restore/delete.\n                    var rattr = $(this).closest('form').attr('data-restore');\n                    var pdattr = $(this).closest('form').attr('data-permdelete');\n                    senddata.blockid = $(this).closest('form').find('[name=blockid]')[0].value;\n\n                    // Check if anchor element has attribute, retrieved from above.\n                    if (typeof rattr !== typeof undefined && rattr !== false) {\n                        senddata.purpose = 'restore';\n                        senddata.tableaction = rattr;\n                    } else if (typeof pdattr !== typeof undefined && pdattr !== false) {\n                        senddata.purpose = 'permdelete';\n                        senddata.tableaction = pdattr;\n                    }\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'restore/permdelete' response received.\");\n                    }).done(function(data) {\n                        data = JSON.parse(data);\n\n                        // User deleted/restored notification.\n                        // Object 'done' is returned for both restore & delete.\n                        if (parseInt(data.done, 10) > 0) {\n                            $('#tr' + senddata.purpose + data.done).closest(\"tr\").fadeOut(250, function() {\n                                $(this).remove();\n                            });\n                        }\n                    });\n                });\n\n                // Clear form.\n                addregion.on('click', '#add_notification_cancel', function(e) {\n                    e.preventDefault();\n                    clearForm();\n                });\n\n                // Managing more notifications.\n                mainregion.on('submit', '#add_notification_form', function(e) {\n                    e.preventDefault();\n                    var status = $('#add_notification_status');\n                    var form = $('#add_notification_form');\n\n                    refreshRequired();\n                    if (!checkRequired()) {\n                        // Stop if required fields are not supplied.\n                        return;\n                    }\n\n                    status.show();\n\n                    var senddata = $(this).serialize(); // Data Object.\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php\";\n\n                    // Perform tableaction.\n                    $.post(callpath, senddata).fail(function(data) {\n                        console.error(\"No 'add' response received.\");\n\n                        var error = data.responseJSON.error;\n\n                        for (var i in error) {\n                            if (error.hasOwnProperty(i)) {\n                                var sfield = form.find('select[name=' + error[i] + ']');\n                                sfield.addClass('requiredfield');\n                                $(\n                                    '<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>'\n                                ).insertAfter(sfield[0].nextSibling);\n                            }\n                        }\n\n                        status.hide();\n                    }).done(function() {\n                        // User saved notification.\n                        status.find('.saving').hide();\n                        status.find('.done').show();\n\n                        // Clear Form.\n                        clearForm();\n\n                        setTimeout(function() {\n                            status.fadeOut(function() {\n                                status.find('.done').hide();\n                                status.find('.saving').show();\n                            });\n                        }, 1500);\n\n                        $('#advnotifications_table_wrapper').load('# #advnotifications_table_wrapper > *');\n                    });\n                });\n\n                // LIVE PREVIEW.\n                // Dynamically update preview alert as user changes textbox content.\n                addregion.on('input propertychange paste', '#add_notification_title, #add_notification_message', function() {\n                    reloadPreview();\n                });\n\n                // Dynamically update preview alert type.\n                $('#add_notification_type').on('change', function() {\n                    reloadPreview();\n                });\n\n                $('#add_notification_dismissible').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                $('#add_notification_aicon').on('change', function() {\n                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).\n                    reloadPreview();\n                });\n\n                // Check if preview is displaying correct (Update it).\n                var reloadPreview = function() {\n                    // Update title.\n                    var title = addregion.find('#add_notification_title');\n                    if (title.val().length > 0) {\n                        addregion.find('.preview-title')[0].innerHTML = title.val();\n                    } else {\n                        addregion.find('.preview-title')[0].innerHTML = strings.title;\n                    }\n\n                    // Update message.\n                    var message = addregion.find('#add_notification_message');\n                    if (message.val().length > 0) {\n                        addregion.find('.preview-message')[0].innerHTML = message.val();\n                    } else {\n                        addregion.find('.preview-message')[0].innerHTML = strings.message;\n                    }\n\n                    // Check notification type.\n                    var alerttype = $('#add_notification_type').val();\n                    var previewalert = $('#add_notification_wrapper_id .preview-alert');\n\n                    // Clear existing classes.\n                    previewalert.removeClass('alert-info alert-success alert-danger alert-warning announcement');\n\n                    // Special check for announcement type.\n                    if (alerttype === 'announcement') {\n                        previewalert.addClass(alerttype);\n                        alerttype = 'info';\n                    }\n\n                    // If anything unexpected, set to info type.\n                    if (alerttype !== 'info' && alerttype !== 'success' && alerttype !== 'warning' && alerttype !== 'danger') {\n                        alerttype = 'info';\n                    }\n\n                    // Add type of alert class.\n                    previewalert.addClass('alert-' + alerttype);\n\n                    $('.preview-aicon').find('> img').attr('src', M.util.image_url(alerttype, 'block_advnotifications'));\n\n                    // Check if dismissable.\n                    if (!$('#add_notification_dismissible')[0].checked) {\n                        $('.preview-alert-dismissible').hide();\n                        previewalert.removeClass('dismissible');\n                    } else {\n                        $('.preview-alert-dismissible').show();\n                        previewalert.addClass('dismissible');\n                    }\n\n                    // Check if icon should be shown.\n                    if (!$('#add_notification_aicon')[0].checked) {\n                        $('.preview-aicon').hide();\n                        previewalert.removeClass('aicon');\n                    } else {\n                        $('.preview-aicon').show();\n                        previewalert.addClass('aicon');\n                    }\n                };\n\n                var init = function() {\n                    // Get strings.\n                    var senddata = {}; // Data Object.\n                    senddata.call = 'ajax';\n                    senddata.purpose = 'strings';\n\n                    var callpath = M.cfg.wwwroot + \"/blocks/advnotifications/pages/process.php?sesskey=\" + M.cfg.sesskey;\n\n                    $.post(callpath, senddata).fail(function() {\n                        console.error(\"No 'strings' response received.\");\n                    }).done(function(data) {\n                        // TODO: ONLY DO THIS IF AJAX SUCCESSFUL - don't render with English first?).\n                        // Store strings and update preview.\n                        strings = data;\n                    }).always(function() {\n                        // Always prepend live preview. Use langstrings if AJAX successful, otherwise use strings declared at top.\n                        refreshPreview();\n                    });\n\n                    // JS is enabled, so we can use AJAX in the new notification form.\n                    $('#add_notification_form').append(\n                        '<input type=\"hidden\" id=\"add_notification_call\" name=\"call\" value=\"ajax\"/>'\n                    );\n                };\n\n                // Shiny new and fresh preview.\n                var refreshPreview = function() {\n                    var previewelem = $('#notification_preview_wrapper');\n                    var previewdom =\n                        '<div id=\"notification_preview_wrapper\">' +\n                            '<strong>' + strings.preview + '</strong><br>' +\n                            '<div class=\"alert alert-info preview-alert\">' +\n                                '<div class=\"preview-aicon\" style=\"display: none;\">' +\n                                    '<img src=\"' + M.util.image_url('info', 'block_advnotifications') + '\" />' +\n                                '</div>' +\n                                '<strong class=\"preview-title\">' + strings.title + '</strong> ' +\n                                '<div class=\"preview-message\">' + strings.message + '</div> ' +\n                                '<div class=\"preview-alert-dismissible\" style=\"display: none;\"><strong>&times;</strong></div>' +\n                            '</div>' +\n                        '</div>';\n\n                    // If it exists already, remove before adding again.\n                    if (previewelem.length > 0) {\n                        previewelem.remove();\n                        // Don't slide in.\n                        $(previewdom).prependTo($(addregion));\n                    } else {\n                        // Slide in.\n                        $(previewdom).prependTo($(addregion)).hide().slideDown();\n                    }\n                };\n\n                var checkRequired = function() {\n                    var disselopt = $('#add_notification_form select option:selected:disabled');\n\n                    for (var opt in disselopt) {\n                        if (disselopt.hasOwnProperty(opt)) {\n                            if ($(disselopt[opt]).prop('disabled')) {\n                                $(disselopt[opt]).closest('select').addClass('requiredfield');\n                                $('<strong class=\"requiredfield\"><em>' + strings.req + '</em></strong>')\n                                    .insertAfter($(disselopt[opt]).closest('select')[0].nextSibling);\n\n                                return false;\n                            }\n                        }\n                    }\n                    return true;\n                };\n\n                var refreshRequired = function() {\n                    $('select.requiredfield').removeClass('requiredfield');\n                    $('strong.requiredfield').remove();\n                };\n\n                var clearForm = function() {\n                    $('#add_notification_form')[0].reset();\n                    refreshRequired();\n                    refreshPreview();\n\n                    // Change save button back to normal.\n                    var savebutton = $('#add_notification_save');\n                    savebutton.removeClass('update');\n                    $('#add_notification_id').remove();\n                    $('#add_notification_purpose').val('add');\n\n                    savebutton.val(strings.save);\n                };\n\n                init();\n            });\n        }\n    };\n});\n"],"file":"custom.min.js"}
\ No newline at end of file
diff --git a/amd/src/custom.js b/amd/src/custom.js
index 49dfec6..b9c7e8e 100644
--- a/amd/src/custom.js
+++ b/amd/src/custom.js
@@ -243,11 +243,6 @@ define(['jquery'], function($) {
                     reloadPreview();
                 });
 
-                $('#add_notification_sendnotifications').on('change', function() {
-                    // Checking specifically whether ticked/checked or not to ensure it's displayed correctly (not toggling).
-                    reloadPreview();
-                });
-
                 // Check if preview is displaying correct (Update it).
                 var reloadPreview = function() {
                     // Update title.
diff --git a/classes/base_table.php b/classes/base_table.php
index 22d6e4b..0874192 100644
--- a/classes/base_table.php
+++ b/classes/base_table.php
@@ -64,6 +64,7 @@ public function __construct($uniqueid) {
             'global',
             'aicon',
             'dismissible',
+            'sendnotifications',
             'times',
             'date_from',
             'date_to',
@@ -80,6 +81,7 @@ public function __construct($uniqueid) {
             get_string('advnotifications_field_global', 'block_advnotifications'),      // Global: Yes.
             get_string('advnotifications_field_aicon', 'block_advnotifications'),       // AIcon: Yes.
             get_string('advnotifications_field_dismissible', 'block_advnotifications'), // Dismissible: Yes.
+            get_string('advnotifications_field_sendnotifications', 'block_advnotifications'), // Send notifications: Yes.
             get_string('advnotifications_field_times', 'block_advnotifications'),       // Times: 10.
             get_string('advnotifications_field_date_from', 'block_advnotifications'),   // Date From: dd/mm/yyyy.
             get_string('advnotifications_field_date_to', 'block_advnotifications'),     // Date To: dd/mm/yyyy.
@@ -172,6 +174,17 @@ public function col_dismissible($values) {
         return ($values->dismissible == 1 ? $this->yes : $this->no);
     }
 
+    /**
+     * This function is called for each data row to allow processing of the
+     * sendnotifications value.
+     *
+     * @param object $values Contains object with all the values of record.
+     * @return $string Return whether notification is sent via moodle notifications system or not.
+     */
+    public function col_sendnotifications($values) {
+        return ($values->sendnotifications == 1 ? $this->yes : $this->no);
+    }
+
     /**
      * This function is called for each data row to allow processing of the
      * times value.
@@ -223,4 +236,4 @@ public function print_nothing_to_display() {
 
         echo '<p class="notifications--empty">' . get_string('advnotifications_table_empty', 'block_advnotifications') . '</p>';
     }
-}
\ No newline at end of file
+}
diff --git a/lang/en/block_advnotifications.php b/lang/en/block_advnotifications.php
index ce2547c..3659b78 100644
--- a/lang/en/block_advnotifications.php
+++ b/lang/en/block_advnotifications.php
@@ -43,6 +43,7 @@
 $string['advnotifications_field_global'] = 'Global';
 $string['advnotifications_field_aicon'] = 'Icon';
 $string['advnotifications_field_dismissible'] = 'Dismissible';
+$string['advnotifications_field_sendnotifications'] = 'Send notifications';
 $string['advnotifications_field_times'] = 'View Times';
 $string['advnotifications_field_date_from'] = 'From';
 $string['advnotifications_field_date_to'] = 'To';

From 352f6f92b0cb1bdb5edb3743968f009660bd6f2f Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Tue, 28 Sep 2021 11:20:40 -0300
Subject: [PATCH 06/10] revert breadcrumb changes

---
 pages/notifications.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pages/notifications.php b/pages/notifications.php
index 4a7cda7..5425b78 100644
--- a/pages/notifications.php
+++ b/pages/notifications.php
@@ -68,6 +68,7 @@
     if (empty($blockinstance) || !isset($blockinstance) || $blockinstance === -1) {
         throw new moodle_exception('advnotifications_err_nocapability', 'block_advnotifications');
     }
+    $bcontext = context_block::instance($blockinstance);
     $ownnotifs = has_capability('block/advnotifications:manageownnotifications', $bcontext);
 }
 

From f261adecbc6cc1bb312e837403286ff4cc50cda6 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Wed, 29 Sep 2021 15:38:30 -0300
Subject: [PATCH 07/10] fix no blockid case

---
 classes/task/sendnotifications.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/classes/task/sendnotifications.php b/classes/task/sendnotifications.php
index f9471c1..55359df 100644
--- a/classes/task/sendnotifications.php
+++ b/classes/task/sendnotifications.php
@@ -59,8 +59,10 @@ public function execute() {
             return;
         }
 
-        $bcontext = \context_block::instance($notification->blockid);
-        if ($ccontext = $bcontext->get_course_context(false)) {
+        if (!empty($notification->blockid)) {
+            $bcontext = \context_block::instance($notification->blockid);
+        }
+        if (isset($bcontext) && $ccontext = $bcontext->get_course_context(false)) {
             $users = get_enrolled_users($ccontext, '', 0 , 'u.id');
         } else {
             $users = $DB->get_records('user', ['deleted' => 0, 'suspended' => 0], '', 'id');

From 222653a59d7fe3fac82f9f3ae70a208f9925a883 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Wed, 6 Oct 2021 19:32:28 -0300
Subject: [PATCH 08/10] add audiences support when sending notifications

---
 classes/audience.php               | 100 +++++++++++++++++++++++++++++
 classes/task/sendnotifications.php |   9 +--
 pages/audience.php                 |   2 +-
 3 files changed, 102 insertions(+), 9 deletions(-)

diff --git a/classes/audience.php b/classes/audience.php
index c24bb1c..90db785 100644
--- a/classes/audience.php
+++ b/classes/audience.php
@@ -138,4 +138,104 @@ public static function meets_roles_requirements($notificationid, $userid, $block
         }
         return true;
     }
+
+    public static function get_users_for_notification($notification) {
+        global $DB;
+
+        $joins = [];
+        $wheres = [];
+        $params = [];
+
+        if (!empty($notification->blockid) && $notification->blockid > 0) {
+            $bcontext = \context_block::instance($notification->blockid);
+            $coursecontext = $bcontext->get_course_context(false);
+        } else {
+            $coursecontext = \context_system::instance();
+        }
+
+        if ($DB->record_exists('block_advnotifications_coh', ['notificationid' => $notification->id])) {
+           $joins[] =
+            ' JOIN {cohort_members} cm
+                ON cm.userid = u.id
+              JOIN {block_advnotifications_coh} anc
+                ON anc.cohortid = cm.cohortid';
+           $wheres[] = 'anc.notificationid = :notificationid';
+           $params['notificationid'] = $notification->id;
+        }
+
+        if ($roles = $DB->get_records_menu('block_advnotifications_roles', ['notificationid' => $notification->id], '', 'roleid')) {
+
+            // TODO: role assignments in sub-contexts.
+            $roles = array_keys($roles);
+            list($rolesql, $roleparams) = $DB->get_in_or_equal($roles, SQL_PARAMS_NAMED, 'roleid');
+            $joins[] =
+             ' JOIN {role_assignments} ra
+                 ON ra.userid = u.id';
+            $wheres[] = ' ra.contextid = :contextid ';
+            $wheres[] = ' ra.roleid ' . $rolesql;
+            $params['contextid'] = $coursecontext->id;
+            $params = array_merge($params, $roleparams);
+        }
+
+        if ($fields = $DB->get_records('block_advnotifications_field', ['notificationid' => $notification->id])) {
+            $customfields = [];
+            $fieldsapi = \core_user\fields::for_name();
+            foreach ($fields as $key => $f) {
+                if (strpos($f->userfield, 'profile_field_') === false) {
+                    switch ($f->operator) {
+                        case 'equals':
+                            $wheres[] = " u.{$f->userfield} = :field{$key}";
+                            $params['field'.$key] = $f->fieldvalue;
+                            break;
+                        case 'beginwith':
+                            $wheres[] = $DB->sql_like("u.{$f->userfield}", ":field{$key}", false);
+                            $params['field'.$key] = $f->fieldvalue . '%';
+                            break;
+                        case 'contains':
+                            $wheres[] = $DB->sql_like("u.{$f->userfield}", ":field{$key}", false);
+                            $params['field'.$key] = '%' . $f->fieldvalue . '%';
+                            break;
+                    }
+                } else {
+                    $fieldsapi->including($f->userfield);
+                    $customfields[] = $f;
+                }
+            }
+            $fieldsall = $fieldsapi->get_sql('u', true);
+            $joins[] = $fieldsall->joins;
+            $params = array_merge($params, $fieldsall->params);
+            foreach ($customfields as $key => $f) {
+                switch ($f->operator) {
+                    case 'equals':
+                        $wheres[] = " {$fieldsall->mappings[$f->userfield]} = :field{$key}";
+                        $params['field'.$key] = $f->fieldvalue;
+                        break;
+                    case 'beginwith':
+                        $wheres[] = $DB->sql_like($fieldsall->mappings[$f->userfield], ":field{$key}", false);
+                        $params['field'.$key] = $f->fieldvalue . '%';
+                        break;
+                    case 'contains':
+                        $wheres[] = $DB->sql_like($fieldsall->mappings[$f->userfield], ":field{$key}", false);
+                        $params['field'.$key] = '%' . $f->fieldvalue . '%';
+                        break;
+                }
+            }
+        }
+
+        if (isset($coursecontext)) {
+            // TODO: enrolment in sub contexts.
+            $enrolledjoin = get_enrolled_join($coursecontext, 'u.id', true);
+            $joins[] = $enrolledjoin->joins;
+            $wheres[] = $enrolledjoin->wheres;
+            $params = array_merge($params, $enrolledjoin->params);
+        }
+
+        $sql = "SELECT u.id
+                  FROM {user} u
+                   " . implode("\n", $joins) . "
+                 WHERE u.deleted = 0
+                   AND " . implode("\n AND ", $wheres);
+
+        return $DB->get_records_sql($sql, $params);
+    }
 }
diff --git a/classes/task/sendnotifications.php b/classes/task/sendnotifications.php
index 55359df..5ed23f3 100644
--- a/classes/task/sendnotifications.php
+++ b/classes/task/sendnotifications.php
@@ -59,14 +59,7 @@ public function execute() {
             return;
         }
 
-        if (!empty($notification->blockid)) {
-            $bcontext = \context_block::instance($notification->blockid);
-        }
-        if (isset($bcontext) && $ccontext = $bcontext->get_course_context(false)) {
-            $users = get_enrolled_users($ccontext, '', 0 , 'u.id');
-        } else {
-            $users = $DB->get_records('user', ['deleted' => 0, 'suspended' => 0], '', 'id');
-        }
+        $users = \block_advnotifications\audience::get_users_for_notification($notification);
 
         foreach ($users as $u) {
             $eventdata = new \core\message\message();
diff --git a/pages/audience.php b/pages/audience.php
index b4955f5..0bc85a8 100644
--- a/pages/audience.php
+++ b/pages/audience.php
@@ -28,7 +28,7 @@
 
 $notification = $DB->get_record('block_advnotifications', ['id' => $id]);
 
-if ($notification->blockid) {
+if ($notification->blockid > 0) {
     $bcontext = context_block::instance($notification->blockid);
     $ctx = $bcontext->get_course_context(false);
 }

From ece54f289cd6dffa62d75b257c1563ac9f73c8b5 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Thu, 7 Oct 2021 11:42:43 -0300
Subject: [PATCH 09/10] roles filter refactor

if the block is in a course, it will consider users with any
of the selected roles assigned in the course or in any sub contexts.

if the block is in a category, it will consider users with any
of the selected roles assigned in the category or in any sub contexts.

if the block is in the dashboard, it will consider users with any
of the selected roles assigned in any context.

if the block is in the system context, it will consider users with any
of the selected roles assigned in any context.
---
 classes/audience.php | 66 ++++++++++++++++++++++++++------------------
 1 file changed, 39 insertions(+), 27 deletions(-)

diff --git a/classes/audience.php b/classes/audience.php
index 90db785..0e84dad 100644
--- a/classes/audience.php
+++ b/classes/audience.php
@@ -123,20 +123,35 @@ public static function meets_cohorts_requirements($notificationid, $userid) {
 
     public static function meets_roles_requirements($notificationid, $userid, $blockid) {
         global $DB;
-        if (!$roles = $DB->get_records('block_advnotifications_roles', ['notificationid' => $notificationid])) {
+        if (!$roles = $DB->get_records('block_advnotifications_roles', ['notificationid' => $notificationid], '', 'roleid')) {
             return true; // There is no role restriction.
         }
-        if ($blockid) {
+        $roles = array_keys($roles);
+
+        if ($blockid > 0) {
             $context = \context_block::instance($blockid);
+            if ($coursecontext = $context->get_course_context(false)) {
+                $context = $coursecontext;
+            } else {
+                $context = $context->get_parent_context(); // It may be category or user context.
+                if ($context instanceof \context_user) {
+                    $context = \context_system::instance();
+                }
+            }
         } else {
             $context = \context_system::instance();
         }
-        foreach ($roles as $r) {
-            if (!user_has_role_assignment($userid, $r->roleid, $context->id)) {
-                return false;
-            }
-        }
-        return true;
+        list($rolessql, $params) = $DB->get_in_or_equal($roles, SQL_PARAMS_NAMED, 'roleid');
+        $sql =
+            'SELECT 1
+               FROM {role_assignments} ra
+               JOIN {context} ctx
+                 ON ctx.id = ra.contextid
+              WHERE ' . $DB->sql_like('ctx.path', ':ctxpath', false) . '
+                AND roleid ' . $rolessql;
+        $params['ctxpath'] = $context->path . '%';
+
+        return $DB->record_exists_sql($sql, $params);
     }
 
     public static function get_users_for_notification($notification) {
@@ -146,11 +161,15 @@ public static function get_users_for_notification($notification) {
         $wheres = [];
         $params = [];
 
-        if (!empty($notification->blockid) && $notification->blockid > 0) {
-            $bcontext = \context_block::instance($notification->blockid);
-            $coursecontext = $bcontext->get_course_context(false);
+        if ($notification->blockid > 0) {
+            $context = \context_block::instance($notification->blockid);
+            if ($coursecontext = $context->get_course_context(false)) {
+                $context = $coursecontext;
+            } else {
+                $context = $context->get_parent_context(); // It may be category context.
+            }
         } else {
-            $coursecontext = \context_system::instance();
+            $context = \context_system::instance();
         }
 
         if ($DB->record_exists('block_advnotifications_coh', ['notificationid' => $notification->id])) {
@@ -165,16 +184,17 @@ public static function get_users_for_notification($notification) {
 
         if ($roles = $DB->get_records_menu('block_advnotifications_roles', ['notificationid' => $notification->id], '', 'roleid')) {
 
-            // TODO: role assignments in sub-contexts.
             $roles = array_keys($roles);
-            list($rolesql, $roleparams) = $DB->get_in_or_equal($roles, SQL_PARAMS_NAMED, 'roleid');
+            list($rolessql, $rolesparams) = $DB->get_in_or_equal($roles, SQL_PARAMS_NAMED, 'roleid');
             $joins[] =
              ' JOIN {role_assignments} ra
-                 ON ra.userid = u.id';
-            $wheres[] = ' ra.contextid = :contextid ';
-            $wheres[] = ' ra.roleid ' . $rolesql;
-            $params['contextid'] = $coursecontext->id;
-            $params = array_merge($params, $roleparams);
+                 ON ra.userid = u.id
+               JOIN {context} ctx
+                 ON ctx.id = ra.contextid';
+            $wheres[] = $DB->sql_like('ctx.path', ':ctxpath', false);
+            $wheres[] = ' ra.roleid ' . $rolessql;
+            $params['ctxpath'] = $context->path . '%';
+            $params = array_merge($params, $rolesparams);
         }
 
         if ($fields = $DB->get_records('block_advnotifications_field', ['notificationid' => $notification->id])) {
@@ -222,14 +242,6 @@ public static function get_users_for_notification($notification) {
             }
         }
 
-        if (isset($coursecontext)) {
-            // TODO: enrolment in sub contexts.
-            $enrolledjoin = get_enrolled_join($coursecontext, 'u.id', true);
-            $joins[] = $enrolledjoin->joins;
-            $wheres[] = $enrolledjoin->wheres;
-            $params = array_merge($params, $enrolledjoin->params);
-        }
-
         $sql = "SELECT u.id
                   FROM {user} u
                    " . implode("\n", $joins) . "

From 420c135eb846a3165bed3c4b33485a097a8efae5 Mon Sep 17 00:00:00 2001
From: Daniel Neis Araujo <danielneis@gmail.com>
Date: Thu, 14 Oct 2021 15:49:20 -0300
Subject: [PATCH 10/10] fix role audience filter

---
 classes/audience.php    | 4 +++-
 pages/notifications.php | 1 -
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/classes/audience.php b/classes/audience.php
index 0e84dad..d7d5f1b 100644
--- a/classes/audience.php
+++ b/classes/audience.php
@@ -148,8 +148,10 @@ public static function meets_roles_requirements($notificationid, $userid, $block
                JOIN {context} ctx
                  ON ctx.id = ra.contextid
               WHERE ' . $DB->sql_like('ctx.path', ':ctxpath', false) . '
-                AND roleid ' . $rolessql;
+                AND roleid ' . $rolessql . '
+                AND userid = :userid';
         $params['ctxpath'] = $context->path . '%';
+        $params['userid'] = $userid;
 
         return $DB->record_exists_sql($sql, $params);
     }
diff --git a/pages/notifications.php b/pages/notifications.php
index 5425b78..4a7cda7 100644
--- a/pages/notifications.php
+++ b/pages/notifications.php
@@ -68,7 +68,6 @@
     if (empty($blockinstance) || !isset($blockinstance) || $blockinstance === -1) {
         throw new moodle_exception('advnotifications_err_nocapability', 'block_advnotifications');
     }
-    $bcontext = context_block::instance($blockinstance);
     $ownnotifs = has_capability('block/advnotifications:manageownnotifications', $bcontext);
 }