-
Notifications
You must be signed in to change notification settings - Fork 35
/
adapt-assessmentArticleModel.js
765 lines (647 loc) · 25.2 KB
/
adapt-assessmentArticleModel.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
import Adapt from 'core/js/adapt';
import data from 'core/js/data';
import logging from 'core/js/logging';
import location from 'core/js/location';
import router from 'core/js/router';
import QuestionBank from './adapt-assessmentQuestionBank';
let givenIdCount = 0;
const assessmentConfigDefaults = {
_isEnabled: true,
_questions: {
_resetType: 'soft',
_canShowFeedback: false,
_canShowMarking: false,
_canShowModelAnswer: false
},
_suppressMarking: false,
_isPercentageBased: true,
_scoreToPass: 100,
_correctToPass: 100,
_includeInTotalScore: true,
_assessmentWeight: 1,
_isResetOnRevisit: true,
_reloadPageOnReset: true,
_attempts: 'infinite',
_allowResetIfPassed: false
};
const AssessmentModel = {
_getCurrentQuestionComponents() {
return this.findDescendantModels('block')
.filter(block => block.get('_isAvailable'))
.reduce((questions, block) => questions.concat(block.findDescendantModels('question')), []);
},
_getAllQuestionComponents() {
return this.findDescendantModels('question');
},
// Private functions
_postInitialize() {
if (!this.isAssessmentEnabled()) return;
const assessmentConfig = this.getConfig();
Object.assign(this, {
_originalChildModels: null,
_questionBanks: null,
_forceResetOnRevisit: false
});
let attemptsLeft;
switch (assessmentConfig._attempts) {
case 'infinite': case 0: case undefined: case -1: case null:
attemptsLeft = 'infinite';
break;
default:
attemptsLeft = assessmentConfig._attempts;
break;
}
this.set({
_assessmentCompleteInSession: false,
_attemptInProgress: false,
_isAssessmentComplete: false,
_numberOfQuestionsAnswered: 0,
_lastAttemptScoreAsPercent: 0,
_attempts: attemptsLeft,
_attemptsLeft: attemptsLeft,
_attemptsSpent: 0
});
this.listenToOnce(Adapt, 'app:dataReady', this._onDataReady);
this.listenTo(Adapt, 'remove', this._onRemove);
},
init() {
// save original children
this._originalChildModels = this.getChildren().models;
this.setupCurrentQuestionComponents();
this._setAssessmentOwnershipOnChildrenModels();
// ensure the _questions attribute is set up (see https://github.com/adaptlearning/adapt_framework/issues/2971)
this._updateQuestionsState();
},
setupCurrentQuestionComponents() {
const assessmentQuestionsConfig = this.getConfig()._questions;
this._getAllQuestionComponents().forEach(component => {
component.set({
_canShowFeedback: assessmentQuestionsConfig._canShowFeedback,
_canShowMarking: assessmentQuestionsConfig._canShowMarking,
_canShowModelAnswer: assessmentQuestionsConfig._canShowModelAnswer
});
});
},
_setAssessmentOwnershipOnChildrenModels() {
// mark all children components as belonging to an assessment
const assessmentConfig = this.get('_assessment');
const childConfig = {
_isPartOfAssessment: true,
_assessmentId: assessmentConfig._id
};
for (const blockModel of this._originalChildModels) {
blockModel.set(childConfig);
// make sure components are set to _isPartOfAssessment for plp checking
blockModel.setOnChildren(childConfig);
}
},
// prevent default
checkIfResetOnRevisit() {},
_onDataReady() {
// register assessment
Adapt.assessment.register(this);
},
_setupAssessmentData(force, callback) {
const assessmentConfig = this.getConfig();
const state = this.getState();
const hasAttemptsLeft = (state.attemptsLeft > 0 || state.attemptsLeft === 'infinite');
const isFirstAttempt = (state.attemptsSpent === 0);
const shouldResetOnRevisit = (isFirstAttempt || assessmentConfig._isResetOnRevisit) && !this.get('_attemptInProgress');
const shouldResetAssessment = (shouldResetOnRevisit && !state.isPass && hasAttemptsLeft) || force === true;
const shouldResetQuestions = (shouldResetOnRevisit && (state.allowResetIfPassed || !state.isPass)) || force === true;
if (shouldResetAssessment || shouldResetQuestions) {
Adapt.trigger('assessments:preReset', this.getState(), this);
}
let quizModels;
if (shouldResetAssessment) {
if (isFirstAttempt || assessmentConfig?._questions?._resetType === 'hard') {
this.set({
_numberOfQuestionsAnswered: 0,
_isAssessmentComplete: false,
_assessmentCompleteInSession: false,
_score: 0
});
} else {
this.set({
_assessmentCompleteInSession: false
});
}
this.getChildren().models = this._originalChildModels;
if (assessmentConfig?._banks._isEnabled &&
assessmentConfig?._banks._split.length > 1) {
quizModels = this._setupBankedAssessment();
} else if (assessmentConfig?._randomisation._isEnabled) {
quizModels = this._setupRandomisedAssessment();
}
}
if (!quizModels) {
// leave the order as before, completed or not
quizModels = this.getChildren().models;
} else if (quizModels.length === 0) {
quizModels = this.getChildren().models;
logging.warn('assessment: Not enough unique questions to create a fresh assessment, using last selection');
}
this.getChildren().models = quizModels;
this.setupCurrentQuestionComponents();
if (shouldResetAssessment || shouldResetQuestions) {
this._resetQuestions();
this.set('_attemptInProgress', true);
Adapt.trigger('assessments:reset', this.getState(), this);
}
if (!state.isComplete) {
this.set('_attemptInProgress', true);
}
this._overrideQuestionComponentSettings();
this._setupQuestionListeners();
this._checkNumberOfQuestionsAnswered();
this._updateQuestionsState();
Adapt.assessment.saveState();
this.trigger('reset');
if (shouldResetAssessment || shouldResetQuestions) {
Adapt.trigger('assessments:postReset', this.getState(), this);
}
},
_setupBankedAssessment() {
const assessmentConfig = this.getConfig();
this._setupBanks();
// Get random questions from banks
let questionModels = this._questionBanks.flatMap(questionBank => questionBank.getRandomQuestionBlocks());
// If overall question order should be randomized
if (assessmentConfig._banks._randomisation) {
questionModels = _.shuffle(questionModels);
}
return questionModels;
},
_setupBanks() {
const assessmentConfig = this.getConfig();
const bankSplits = assessmentConfig._banks._split.split(',');
const hasBankSplitsChanged = (bankSplits.length !== this._questionBanks?.length);
if (hasBankSplitsChanged) {
// Generate new question banks if the split has changed
this._questionBanks = [];
}
bankSplits.forEach((count, index) => {
const bankId = (index + 1);
const articleId = this.get('_id');
// Keep question bank instances to preserve unused blocks over multi asessment attempts inside a session
this._questionBanks[bankId] = (this._questionBanks[bankId] || new QuestionBank(bankId, articleId));
// Recalculate available blocks incase they have changed or the count has changed in the split
this._questionBanks[bankId].calculateAvailableQuestionBlocks(count);
});
},
_setupRandomisedAssessment() {
const assessmentConfig = this.getConfig();
const randomisationModel = assessmentConfig._randomisation;
const blockModels = this.getChildren().models;
let questionModels = _.shuffle(blockModels);
if (randomisationModel._blockCount > 0) {
questionModels = questionModels.slice(0, randomisationModel._blockCount);
}
return questionModels;
},
_overrideQuestionComponentSettings() {
const newSettings = this._getMarkingSettings();
// Add any additional setting overrides here
const questionConfig = this.getConfig()._questions;
if (Object.prototype.hasOwnProperty.call(questionConfig, '_canShowFeedback')) {
newSettings._canShowFeedback = questionConfig._canShowFeedback;
}
if (!_.isEmpty(newSettings)) {
const questionComponents = this._getAllQuestionComponents();
questionComponents.forEach(model => model.set(newSettings, { pluginName: '_assessment' }));
}
},
_setupQuestionListeners() {
this._removeQuestionListeners();
this.listenTo(this, 'bubble:change:_isInteractionComplete', this._onCompletionEvent);
},
_checkNumberOfQuestionsAnswered() {
const questionComponents = this._getCurrentQuestionComponents();
const numberOfQuestionsAnswered = questionComponents.filter(model => model.get('_isInteractionComplete')).length;
this.set('_numberOfQuestionsAnswered', numberOfQuestionsAnswered);
},
_removeQuestionListeners() {
this.stopListening(this, 'bubble:change:_isInteractionComplete', this._onCompletionEvent);
},
_onCompletionEvent(event) {
if (event.target?.isTypeGroup('block')) return this._onBlockCompleted(event.target, event.value);
if (event.target?.isTypeGroup('questions')) return this._onQuestionCompleted(event.target, event.value);
},
_onBlockCompleted(blockModel, value) {
if (value === false) return;
const questionModels = blockModel.findDescendantModels('question');
questionModels.forEach(questionModel => {
this._onQuestionCompleted(questionModel, value);
});
if (!blockModel.get('_isInteractionComplete')) return;
this._checkAssessmentComplete();
},
_onQuestionCompleted(questionModel, value) {
if (value === false) return;
if (!questionModel.get('_isInteractionComplete')) return;
const numberOfQuestionsAnswered = this._getCurrentQuestionComponents().reduce((count, question) => (count += question.get('_isSubmitted') ? 1 : 0), 0);
this.set('_numberOfQuestionsAnswered', numberOfQuestionsAnswered);
this._updateQuestionsState();
Adapt.assessment.saveState();
this._checkAssessmentComplete();
},
_checkAssessmentComplete() {
const allQuestionsAdded = (this.get('_requireCompletionOf') !== Number.POSITIVE_INFINITY);
if (!allQuestionsAdded) return;
const numberOfQuestionsAnswered = this.get('_numberOfQuestionsAnswered');
const allQuestionsAnswered = (numberOfQuestionsAnswered >= this._getCurrentQuestionComponents().length);
if (!allQuestionsAnswered) return;
this._onAssessmentComplete();
},
_onAssessmentComplete() {
const wasAttemptInProgess = this.get('_attemptInProgress');
if (!wasAttemptInProgess) return;
this.set('_attemptInProgress', false);
this._spendAttempt();
const _scoreAsPercent = this._getScoreAsPercent();
const _score = this._getScore();
const _maxScore = this._getMaxScore();
const _minScore = this._getMinScore();
const _correctCount = this._getCorrectCount();
const _correctAsPercent = this._getCorrectAsPercent();
const _questionCount = this._getQuestionCount();
this.set({
_scoreAsPercent,
_score,
_maxScore,
_minScore,
_correctAsPercent,
_correctCount,
_questionCount,
_lastAttemptScoreAsPercent: _scoreAsPercent,
_assessmentCompleteInSession: true,
_isAssessmentComplete: true
});
this._updateQuestionsState();
this._checkIsPass();
this._removeQuestionListeners();
if (this._isMarkingSuppressionEnabled() && (!this._isAttemptsLeft() || this._isPassed())) {
_.defer(() => {
this._overrideMarkingSettings();
this._refreshQuestions();
});
}
Adapt.trigger('assessments:complete', this.getState(), this);
},
_updateQuestionsState() {
const questionComponents = this._getCurrentQuestionComponents();
const questions = questionComponents.map(model => ({
_id: model.get('_id'),
_isCorrect: model.get('_isCorrect') ?? null
}));
this.set('_questions', questions);
},
_checkIsPass() {
const assessmentConfig = this.getConfig();
const isPercentageBased = assessmentConfig._isPercentageBased;
const scoreToPass = assessmentConfig._scoreToPass;
const correctToPass = assessmentConfig._correctToPass || 0;
const scoreAsPercent = this.get('_scoreAsPercent');
const score = this.get('_score');
const correctAsPercent = this.get('_correctAsPercent');
const correctCount = this.get('_correctCount');
const isPass = isPercentageBased
? (scoreAsPercent >= scoreToPass && correctAsPercent >= correctToPass)
: (score >= scoreToPass && correctCount >= correctToPass);
this.set('_isPass', isPass);
},
_getMarkingSettings() {
let markingSettings = {};
if (this._shouldSuppressMarking()) {
markingSettings = {
_canShowMarking: false,
_canShowModelAnswer: false
};
} else {
const questionConfig = this.getConfig()._questions;
if (Object.prototype.hasOwnProperty.call(questionConfig, '_canShowModelAnswer')) {
markingSettings._canShowModelAnswer = questionConfig._canShowModelAnswer;
}
if (Object.prototype.hasOwnProperty.call(questionConfig, '_canShowMarking')) {
markingSettings._canShowMarking = questionConfig._canShowMarking;
}
}
return markingSettings;
},
_overrideMarkingSettings() {
const newMarkingSettings = this._getMarkingSettings();
const questionComponents = this._getAllQuestionComponents();
questionComponents.forEach(model => model.set(newMarkingSettings, { pluginName: '_assessment' }));
},
_refreshQuestions() {
const questionComponents = this._getCurrentQuestionComponents();
questionComponents.forEach(model => model.refresh());
},
_shouldSuppressMarking() {
return this._isMarkingSuppressionEnabled() && this._isAttemptsLeft() && !this._isPassed();
},
_isMarkingSuppressionEnabled() {
const assessmentConfig = this.getConfig();
return assessmentConfig._suppressMarking;
},
_isAttemptsLeft() {
if (this.get('_attemptsLeft') === 0) return false;
return true;
},
_isPassed() {
return this.get('_isAssessmentComplete') && this.get('_isPass');
},
_spendAttempt() {
if (!this._isAttemptsLeft()) return false;
let attemptsSpent = this.get('_attemptsSpent');
this.set('_attemptsSpent', ++attemptsSpent);
if (this.get('_attempts') === 'infinite') return true;
let attemptsLeft = this.get('_attemptsLeft');
this.set('_attemptsLeft', --attemptsLeft);
return true;
},
_getScore() {
const questionComponents = this._getCurrentQuestionComponents();
const score = questionComponents.reduce((score, model) => (score += model.score || 0), 0);
return score;
},
_getMaxScore() {
const questionComponents = this._getCurrentQuestionComponents();
const maxScore = questionComponents.reduce((maxScore, model) => (maxScore += model.maxScore || 0), 0);
return maxScore;
},
_getMinScore() {
const questionComponents = this._getCurrentQuestionComponents();
const minScore = questionComponents.reduce((minScore, model) => (minScore += model.minScore || 0), 0);
return minScore;
},
_getScoreAsPercent() {
const minScore = this._getMinScore();
const maxScore = this._getMaxScore();
const score = this._getScore();
const range = (maxScore - minScore);
return (range === 0) ? 0 : Math.round(((score - minScore) / range) * 100);
},
_getCorrectCount() {
return this._getCurrentQuestionComponents().reduce((count, model) => (count += model.get('_isCorrect') ? 1 : 0), 0);
},
_getQuestionCount() {
return this._getCurrentQuestionComponents().length;
},
_getCorrectAsPercent() {
const questionCount = this._getQuestionCount();
return (questionCount === 0) ? 0 : Math.round((this._getCorrectCount() / questionCount) * 100);
},
_getLastAttemptScoreAsPercent() {
return this.get('_lastAttemptScoreAsPercent');
},
_checkReloadPage() {
if (!this.canResetInPage()) return false;
const parentId = this.getParent().get('_id');
const currentLocation = location._currentId;
// check if on assessment page and should rerender page
if (currentLocation !== parentId) return false;
if (!this.get('_isReady')) return false;
return true;
},
_reloadPage(callback) {
const assessmentConfig = this.getConfig();
this._forceResetOnRevisit = true;
this.listenToOnce(Adapt, 'pageView:ready', async () => {
if (assessmentConfig._scrollToOnReset) {
await router.navigateToElement(this.get('_id'));
}
callback();
});
_.delay(() => {
Backbone.history.navigate('#/id/' + location._currentId, { replace: true, trigger: true });
}, 250);
},
_resetQuestions() {
const assessmentConfig = this.getConfig();
const questionModels = this._getCurrentQuestionComponents();
questionModels.forEach(model => model.reset(assessmentConfig._questions._resetType, true));
},
_onRemove() {
this._removeQuestionListeners();
},
_setCompletionStatus() {
this.set({
_isComplete: true,
_isInteractionComplete: true
});
},
_checkIfQuestionsWereRestored() {
if (this.get('_assessmentCompleteInSession')) return;
if (!this.get('_isAssessmentComplete')) return;
// fix for courses that do not remember the user selections
// force assessment to reset if user revisits an assessment page in a new session which is completed
let wereQuestionsRestored = true;
const questions = this.get('_questions');
for (const question of questions) {
const questionModel = data.findById(question._id);
if (questionModel.get('_isAvailable') && !questionModel.get('_isSubmitted')) {
wereQuestionsRestored = false;
break;
}
}
if (!wereQuestionsRestored) {
this.set('_assessmentCompleteInSession', true);
return true;
}
return false;
},
// Public Functions
isAssessmentEnabled() {
if (this.get('_assessment')?._isEnabled) return true;
return false;
},
canResetInPage() {
const assessmentConfig = this.getConfig();
if (assessmentConfig._reloadPageOnReset === false) return false;
return true;
},
reset(force, callback) {
const assessmentConfig = this.getConfig();
// check if forcing reset via page revisit or force parameter
force = this._forceResetOnRevisit || force === true;
this._forceResetOnRevisit = false;
const isPageReload = this._checkReloadPage();
// stop resetting if not complete or not allowed
if (this.get('_assessmentCompleteInSession') &&
!assessmentConfig._isResetOnRevisit &&
!isPageReload &&
!force) {
// eslint-disable-next-line node/no-callback-literal
if (typeof callback === 'function') callback(false);
return false;
}
// check if new session and questions not restored
const wereQuestionsRestored = this._checkIfQuestionsWereRestored();
force = force || wereQuestionsRestored;
// the assessment is going to be reset so we must reset attempts
// otherwise assessment may not be set up properly in next session
if (force && !this._isAttemptsLeft()) {
this.set({
_attemptsLeft: this.get('_attempts'),
_attemptsSpent: 0
});
}
const allowResetIfPassed = this.get('_assessment')._allowResetIfPassed;
// stop resetting if no attempts left and allowResetIfPassed is false
if (!this._isAttemptsLeft() && !force && !allowResetIfPassed) {
// eslint-disable-next-line node/no-callback-literal
if (typeof callback === 'function') callback(false);
return false;
}
if (!isPageReload) {
this._setupAssessmentData(force);
// eslint-disable-next-line node/no-callback-literal
if (typeof callback === 'function') callback(true);
} else {
this._reloadPage(() => {
// eslint-disable-next-line node/no-callback-literal
if (typeof callback === 'function') callback(true);
});
}
return true;
},
getSaveState() {
const state = this.getState();
let blocks;
const cfg = this.getConfig();
const banksActive = cfg._banks?._isEnabled && cfg._banks._split.length > 1;
const randomisationActive = cfg._randomisation?._isEnabled;
if (!banksActive && !randomisationActive) {
// include presentation blocks in save state so that blocks without questions aren't removed
blocks = this.findDescendantModels('block');
} else {
blocks = state.questions.map(question => data.findById(question._id).getParent());
}
blocks = [...new Set(blocks)]
.filter(block => block.trackingPosition);
const blockTrackingPositions = blocks.map(block => block.trackingPosition);
const blockCompletion = blocks.map(block => {
const questions = block.findDescendantModels('question');
return questions.map(question => question.get('_isCorrect') || false);
});
const blockData = [blockTrackingPositions, blockCompletion];
const saveState = [
state.isComplete ? 1 : 0,
state.attemptsSpent,
state.maxScore || 0,
state.score,
state.attemptInProgress ? 1 : 0,
state.minScore || 0,
state.correctAsPercent || 0,
state.correctCount || 0,
state.questionCount || 0
];
const dataPackage = [saveState, blockData];
return dataPackage;
},
setRestoreState(dataPackage) {
const restoreState = dataPackage[0];
const blockData = dataPackage[1];
const _isAssessmentComplete = restoreState[0] === 1;
const attempts = this.get('_attempts');
const _attemptsSpent = restoreState[1];
const maxScore = restoreState[2];
const score = restoreState[3];
const _scoreAsPercent = score ? Math.round(score / maxScore * 100) : 0;
const _attemptInProgress = restoreState[4] === 1;
const minScore = restoreState[5];
const correctAsPercent = restoreState[6];
const correctCount = restoreState[7];
const questionCount = restoreState[8];
const blocks = blockData[0].map(trackingPosition => {
if (typeof trackingPosition === 'number') {
// Backwards compability for courses which use _trackingId at block level
return data.findWhere({ _trackingId: trackingPosition });
}
return data.findByTrackingPosition(trackingPosition);
});
if (blocks.length) {
const nonBlockChildren = this.getChildren().models.filter(model => !model.isTypeGroup('block'));
this.getChildren().models = blocks.concat(nonBlockChildren);
}
const _questions = [];
blocks.forEach((block, blockIndex) => {
const blockQuestions = block.findDescendantModels('question');
blockQuestions.forEach((question, questionIndex) => {
_questions.push({
_id: question.get('_id'),
_isCorrect: blockData[1][blockIndex][questionIndex]
});
});
});
this.set({
_isAssessmentComplete,
_assessmentCompleteInSession: false,
_attemptsSpent,
_attemptInProgress,
_attemptsLeft: (attempts === 'infinite' ? attempts : attempts - _attemptsSpent),
_maxScore: maxScore || this._getMaxScore(),
_minScore: minScore || this._getMinScore(),
_score: score || 0,
_scoreAsPercent,
_correctAsPercent: correctAsPercent || 0,
_correctCount: correctCount || 0,
_questions,
_questionCount: questionCount || 0,
_lastAttemptScoreAsPercent: _scoreAsPercent
});
if (_isAssessmentComplete) this._checkIsPass();
Adapt.trigger('assessments:restored', this.getState(), this);
},
getState() {
// return the current state of the assessment
// create snapshot of values so as not to create memory leaks
const assessmentConfig = this.getConfig();
const state = {
id: assessmentConfig._id,
type: 'article-assessment',
pageId: this.getParent().get('_id'),
articleId: this.get('_id'),
isEnabled: assessmentConfig._isEnabled,
isComplete: this.get('_isAssessmentComplete'),
isPercentageBased: assessmentConfig._isPercentageBased,
scoreToPass: assessmentConfig._scoreToPass,
score: this.get('_score'),
scoreAsPercent: this.get('_scoreAsPercent'),
maxScore: this.get('_maxScore'),
minScore: this.get('_minScore'),
correctCount: this.get('_correctCount'),
correctAsPercent: this.get('_correctAsPercent'),
correctToPass: assessmentConfig._correctToPass,
questionCount: this.get('_questionCount'),
isPass: this.get('_isPass'),
includeInTotalScore: assessmentConfig._includeInTotalScore,
assessmentWeight: assessmentConfig._assessmentWeight,
attempts: this.get('_attempts'),
attemptsSpent: this.get('_attemptsSpent'),
attemptsLeft: this.get('_attemptsLeft'),
attemptInProgress: this.get('_attemptInProgress'),
lastAttemptScoreAsPercent: this.get('_lastAttemptScoreAsPercent'),
questions: this.get('_questions'),
resetType: assessmentConfig._questions._resetType,
allowResetIfPassed: assessmentConfig._allowResetIfPassed,
questionModels: new Backbone.Collection(this._getCurrentQuestionComponents())
};
return state;
},
getConfig() {
let assessmentConfig = this.get('_assessment');
if (!assessmentConfig) {
assessmentConfig = $.extend(true, {}, assessmentConfigDefaults);
} else {
assessmentConfig = $.extend(true, {}, assessmentConfigDefaults, assessmentConfig);
}
if (assessmentConfig._id === undefined) {
assessmentConfig._id = 'givenId' + (givenIdCount++);
}
this.set('_assessment', assessmentConfig);
return assessmentConfig;
}
};
export default AssessmentModel;