add scheme import and export

appinfo/routes.php

@@ -20,6 +20,7 @@
 		['name' => 'api1#createTable',	'url' => '/api/1/tables', 'verb' => 'POST'],
 		['name' => 'api1#updateTable',	'url' => '/api/1/tables/{tableId}', 'verb' => 'PUT'],
 		['name' => 'api1#getTable',	'url' => '/api/1/tables/{tableId}', 'verb' => 'GET'],
+		['name' => 'api1#showScheme',	'url' => '/api/1/tables/{tableId}/scheme', 'verb' => 'GET'],
 		['name' => 'api1#deleteTable',	'url' => '/api/1/tables/{tableId}', 'verb' => 'DELETE'],
 		// -> views
 		['name' => 'api1#indexViews', 'url' => '/api/1/tables/{tableId}/views', 'verb' => 'GET'],
@@ -117,6 +118,8 @@
 		// -> tables
 		['name' => 'ApiTables#index', 'url' => '/api/2/tables', 'verb' => 'GET'],
 		['name' => 'ApiTables#show', 'url' => '/api/2/tables/{id}', 'verb' => 'GET'],
+		['name' => 'ApiTables#showScheme', 'url' => '/api/2/tables/scheme/{id}', 'verb' => 'GET'],
+		['name' => 'ApiTables#createFromScheme', 'url' => '/api/2/tables/scheme', 'verb' => 'POST'],
 		['name' => 'ApiTables#create', 'url' => '/api/2/tables', 'verb' => 'POST'],
 		['name' => 'ApiTables#update', 'url' => '/api/2/tables/{id}', 'verb' => 'PUT'],
 		['name' => 'ApiTables#destroy', 'url' => '/api/2/tables/{id}', 'verb' => 'DELETE'],

lib/Controller/Api1Controller.php

@@ -132,6 +132,39 @@ public function createTable(string $title, ?string $emoji, string $template = 'c
 		}
 	}
 
+	/**
+	 * returns table scheme
+	 *
+	 * @NoAdminRequired
+	 * @CORS
+	 * @NoCSRFRequired
+	 *
+	 * @param int $tableId Table ID
+	 * @return DataResponse<Http::STATUS_OK, TablesTable, array{'Content-Disposition'?:string,'Content-Type'?:string}>|DataResponse<Http::STATUS_FORBIDDEN|Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_NOT_FOUND, array{message: string}, array{}>
+	 *
+	 * 200: Table returned
+	 * 403: No permissions
+	 * 404: Not found
+	 */
+	public function showScheme(int $tableId): DataResponse {
+		try {
+			$scheme = $this->tableService->getScheme($tableId);
+			return new DataResponse($scheme->jsonSerialize(), http::STATUS_OK, ['Content-Disposition' => 'attachment; filename="'.$scheme->getTitle() . '.json"', 'Content-Type' => 'application/octet-stream']);
+		} catch (PermissionError $e) {
+			$this->logger->warning('A permission error occurred: ' . $e->getMessage());
+			$message = ['message' => $e->getMessage()];
+			return new DataResponse($message, Http::STATUS_FORBIDDEN);
+		} catch (NotFoundError $e) {
+			$this->logger->warning('A not found error occurred: ' . $e->getMessage());
+			$message = ['message' => $e->getMessage()];
+			return new DataResponse($message, Http::STATUS_NOT_FOUND);
+		} catch (InternalError|Exception $e) {
+			$this->logger->warning('An internal error or exception occurred: '.$e->getMessage());
+			$message = ['message' => $e->getMessage()];
+			return new DataResponse($message, Http::STATUS_INTERNAL_SERVER_ERROR);
+		}
+	}
+
 	/**
 	 * Get a table object
 	 *

lib/Controller/ApiTablesController.php

@@ -7,27 +7,45 @@
 use OCA\Tables\Errors\NotFoundError;
 use OCA\Tables\Errors\PermissionError;
 use OCA\Tables\ResponseDefinitions;
+use OCA\Tables\Service\ColumnService;
 use OCA\Tables\Service\TableService;
+use OCA\Tables\Service\ViewService;
+use OCP\App\IAppManager;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataResponse;
+use OCP\IDBConnection;
 use OCP\IL10N;
 use OCP\IRequest;
 use Psr\Log\LoggerInterface;
 
 /**
  * @psalm-import-type TablesTable from ResponseDefinitions
+ * @psalm-import-type TablesView from ResponseDefinitions
+ * @psalm-import-type TablesColumn from ResponseDefinitions
  */
 class ApiTablesController extends AOCSController {
 	private TableService $service;
+	private ColumnService $columnService;
+	private ViewService $viewService;
+	private IAppManager $appManager;
+	private IDBConnection $db;
 
 	public function __construct(
 		IRequest $request,
 		LoggerInterface $logger,
 		TableService $service,
+		ColumnService $columnService,
+		ViewService $viewService,
 		IL10N $n,
+		IAppManager $appManager,
+		IDBConnection $db,
 		string $userId) {
 		parent::__construct($request, $logger, $n, $userId);
 		$this->service = $service;
+		$this->columnService = $columnService;
+		$this->appManager = $appManager;
+		$this->viewService = $viewService;
+		$this->db = $db;
 	}
 
 	/**
@@ -71,6 +89,97 @@ public function show(int $id): DataResponse {
 		}
 	}
 
+	/**
+	 * [api v2] Get a table Scheme
+	 *
+	 * @NoAdminRequired
+	 *
+	 * @param int $id Table ID
+	 * @return DataResponse<Http::STATUS_OK, TablesTable, array{}>|DataResponse<Http::STATUS_FORBIDDEN|Http::STATUS_INTERNAL_SERVER_ERROR|Http::STATUS_NOT_FOUND, array{message: string}, array{}>
+	 *
+	 * 200: Scheme returned
+	 * 403: No permissions
+	 * 404: Not found
+	 */
+	public function showScheme(int $id): DataResponse {
+		try {
+			return new DataResponse($this->service->getScheme($id)->jsonSerialize());
+		} catch (PermissionError $e) {
+			return $this->handlePermissionError($e);
+		} catch (InternalError $e) {
+			return $this->handleError($e);
+		} catch (NotFoundError $e) {
+			return $this->handleNotFoundError($e);
+		}
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * creates table from scheme
+	 *
+	 * @param string $title title of new table
+	 * @param string $emoji emoji
+	 * @param string $description description
+	 * @param array<TablesColumn > $columns columns
+	 * @param array<TablesView> $views views
+	 * @return DataResponse<Http::STATUS_OK, TablesTable, array{}>|DataResponse<Http::STATUS_INTERNAL_SERVER_ERROR, array{message: string}, array{}>
+	 *
+	 * 200: Tables returned
+	 */
+	public function createFromScheme(string $title, string $emoji, string $description, array $columns, array $views): DataResponse {
+		try {
+			$this->db->beginTransaction();
+			$table = $this->service->create($title, 'custom', $emoji, $description);
+			foreach ($columns as $column) {
+				$this->columnService->create(
+					$this->userId,
+					$table->getId(),
+					null,
+					$column['type'],
+					$column['subtype'],
+					$column['title'],
+					$column['mandatory'],
+					$column['description'],
+
+					$column['textDefault'],
+					$column['textAllowedPattern'],
+					$column['textMaxLength'],
+
+					$column['numberPrefix'],
+					$column['numberSuffix'],
+					$column['numberDefault'],
+					$column['numberMin'],
+					$column['numberMax'],
+					$column['numberDecimals'],
+
+					$column['selectionOptions'] == [] ? '' : $column['selectionOptions'],
+					$column['selectionDefault'],
+
+					$column['datetimeDefault'],
+					[],
+				);
+			};
+			foreach ($views as $view) {
+				$this->viewService->create(
+					$view['title'],
+					$view['emoji'],
+					$table,
+					$this->userId,
+				);
+			}
+			$this->db->commit();
+			return new DataResponse($table->jsonSerialize());
+		} catch(InternalError | Exception $e) {
+			try {
+				$this->db->rollBack();
+			} catch (\OCP\DB\Exception $e) {
+				return $this->handleError($e);
+			}
+			return $this->handleError($e);
+		}
+	}
+
 	/**
 	 * [api v2] Create a new table and return it
 	 *

lib/Controller/TableScheme.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace OCA\Tables\Model;
+
+use JsonSerializable;
+use OCA\Tables\Db\Column;
+use OCA\Tables\Db\View;
+
+class TableScheme implements JsonSerializable {
+
+	protected ?string $title = null;
+	protected ?string $emoji = null;
+
+	/** @var Column[]|null  */
+	protected ?array $columns = null;
+
+	/** @var View[]|null */
+	protected ?array $views = null;
+	protected ?string $description = null;
+	protected ?string $tablesVersion = null;
+
+	public function __construct(string $title, string $emoji, array $columns, array $view, string $description, string $tablesVersion) {
+		$this->tablesVersion = $tablesVersion;
+		$this->title = $title;
+		$this->emoji = $emoji;
+		$this->columns = $columns;
+		$this->description = $description;
+		$this->views = $view;
+	}
+
+	public function getTitle():string {
+		return $this->title | '';
+	}
+
+	public function jsonSerialize(): array {
+		return [
+			'title' => $this->title ?: '',
+			'emoji' => $this->emoji,
+			'columns' => $this->columns,
+			'views' => $this->views,
+			'description' => $this->description ?:'',
+			'tablesVersion' => $this->tablesVersion,
+		];
+	}
+
+	public function getEmoji(): ?string {
+		return $this->emoji;
+	}
+
+	public function getColumns(): ?array {
+		return $this->columns;
+	}
+
+	public function getDescription(): ?string {
+		return $this->description;
+	}
+}

lib/Db/Table.php

@@ -14,11 +14,13 @@
  * @psalm-import-type TablesView from ResponseDefinitions
  *
  * @method getTitle(): string
+ * @method getId(): int
  * @method setTitle(string $title)
  * @method getEmoji(): string
  * @method setEmoji(string $emoji)
  * @method getArchived(): bool
  * @method setArchived(bool $archived)
+ * @method getDescription(): string
  * @method setDescription(string $description)
  * @method getOwnership(): string
  * @method setOwnership(string $ownership)

lib/Service/TableService.php

@@ -14,7 +14,9 @@
 use OCA\Tables\Event\TableDeletedEvent;
 use OCA\Tables\Event\TableOwnershipTransferredEvent;
 use OCA\Tables\Helper\UserHelper;
+use OCA\Tables\Model\TableScheme;
 use OCA\Tables\ResponseDefinitions;
+use OCP\App\IAppManager;
 use OCP\AppFramework\Db\DoesNotExistException;
 use OCP\AppFramework\Db\MultipleObjectsReturnedException;
 use OCP\DB\Exception as OcpDbException;
@@ -42,6 +44,7 @@ class TableService extends SuperService {
 
 	protected FavoritesService $favoritesService;
 
+	protected IAppManager $appManager;
 
 	protected IL10N $l;
 	private ContextService $contextService;
@@ -62,9 +65,11 @@ public function __construct(
 		FavoritesService $favoritesService,
 		IEventDispatcher $eventDispatcher,
 		ContextService $contextService,
+		IAppManager $appManager,
 		IL10N $l,
 	) {
 		parent::__construct($logger, $userId, $permissionsService);
+		$this->appManager = $appManager;
 		$this->mapper = $mapper;
 		$this->tableTemplateService = $tableTemplateService;
 		$this->columnService = $columnService;
@@ -533,11 +538,22 @@ public function search(string $term, int $limit = 100, int $offset = 0, ?string
 				$this->enhanceTable($table, $userId);
 			}
 			return $tables;
-		} catch (InternalError | PermissionError |OcpDbException $e) {
+		} catch (InternalError | PermissionError | OcpDbException $e) {
 			return [];
 		}
 	}
 
+	/**
+	 * @throws PermissionError
+	 * @throws NotFoundError
+	 * @throws InternalError
+	 */
+	public function getScheme(int $id): TableScheme {
+		$columns = $this->columnService->findAllByTable($id);
+		$table = $this->find($id);
+		return new TableScheme($table->getTitle(), $table->getEmoji(), $columns, $table->getViews(), $table->getDescription(), $this->appManager->getAppVersion("tables"));
+	}
+
 	// PRIVATE FUNCTIONS ---------------------------------------------------------------
 
 	/**