MOBILE-2348 quiz: Create functions and page to get preflight data
Dani Palou
parent
fd41274d9e
commit
5a2e57796d
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@ -0,0 +1,27 @@
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<ion-header>
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<ion-navbar>
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<ion-title>{{ title | translate }}</ion-title>
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<ion-buttons end>
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<button ion-button icon-only (click)="closeModal()" [attr.aria-label]="'core.close' | translate">
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<ion-icon name="close"></ion-icon>
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</button>
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</ion-buttons>
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</ion-navbar>
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</ion-header>
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<ion-content padding class="addon-mod_quiz-preflight-modal">
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<core-loading [hideUntil]="loaded">
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<form ion-list [formGroup]="preflightForm" (ngSubmit)="sendData()">
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<!-- Access rules. -->
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<ng-container *ngFor="let componentClass of accessRulesComponent; let last = last">
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<core-dynamic-component [component]="componentClass" [data]="data">
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<p padding>Couldn't find the directive to render this access rule.</p>
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</core-dynamic-component>
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<ion-item-divider color="light" *ngIf="!last"></ion-item-divider>
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</ng-container>
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<button ion-button block type="submit">
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{{ title | translate }}
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</button>
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</form>
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</core-loading>
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</ion-content>
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@ -0,0 +1,31 @@
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// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { NgModule } from '@angular/core';
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import { IonicPageModule } from 'ionic-angular';
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import { AddonModQuizPreflightModalPage } from './preflight-modal';
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import { TranslateModule } from '@ngx-translate/core';
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import { CoreComponentsModule } from '@components/components.module';
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@NgModule({
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declarations: [
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AddonModQuizPreflightModalPage
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],
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imports: [
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CoreComponentsModule,
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IonicPageModule.forChild(AddonModQuizPreflightModalPage),
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TranslateModule.forChild()
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]
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})
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export class AddonModQuizPreflightModalModule {}
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@ -0,0 +1,122 @@
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// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Component, OnInit, Injector, ViewChild } from '@angular/core';
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import { IonicPage, ViewController, NavParams, Content } from 'ionic-angular';
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import { TranslateService } from '@ngx-translate/core';
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import { FormBuilder, FormGroup } from '@angular/forms';
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import { CoreSitesProvider } from '@providers/sites';
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import { CoreDomUtilsProvider } from '@providers/utils/dom';
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import { AddonModQuizAccessRuleDelegate } from '../../providers/access-rules-delegate';
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/**
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* Modal that renders the access rules for a quiz.
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*/
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@IonicPage({ segment: 'addon-mod-quiz-preflight-modal' })
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@Component({
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selector: 'page-addon-mod-quiz-preflight-modal',
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templateUrl: 'preflight-modal.html',
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})
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export class AddonModQuizPreflightModalPage implements OnInit {
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@ViewChild(Content) content: Content;
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preflightForm: FormGroup;
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title: string;
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accessRulesComponent: any[] = [];
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data: any;
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loaded: boolean;
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protected quiz: any;
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protected attempt: any;
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protected prefetch: boolean;
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protected siteId: string;
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protected rules: string[];
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protected renderedRules: string[] = [];
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constructor(params: NavParams, fb: FormBuilder, translate: TranslateService, sitesProvider: CoreSitesProvider,
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protected viewCtrl: ViewController, protected accessRuleDelegate: AddonModQuizAccessRuleDelegate,
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protected injector: Injector, protected domUtils: CoreDomUtilsProvider) {
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this.title = params.get('title') || translate.instant('addon.mod_quiz.startattempt');
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this.quiz = params.get('quiz');
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this.attempt = params.get('attempt');
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this.prefetch = params.get('prefetch');
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this.siteId = params.get('siteId') || sitesProvider.getCurrentSiteId();
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this.rules = params.get('rules') || [];
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// Create an empty form group. The controls will be added by the access rules components.
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this.preflightForm = fb.group({});
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// Create the data to pass to the access rules components.
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this.data = {
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quiz: this.quiz,
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attempt: this.attempt,
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prefetch: this.prefetch,
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form: this.preflightForm,
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siteId: this.siteId
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};
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}
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/**
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* Component being initialized.
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*/
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ngOnInit(): void {
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const promises = [];
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this.rules.forEach((rule) => {
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// Check if preflight is required for rule and, if so, get the component to render it.
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promises.push(this.accessRuleDelegate.isPreflightCheckRequiredForRule(rule, this.quiz, this.attempt, this.prefetch,
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this.siteId).then((required) => {
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if (required) {
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return this.accessRuleDelegate.getPreflightComponent(rule, this.injector).then((component) => {
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if (component) {
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this.renderedRules.push(rule);
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this.accessRulesComponent.push(component);
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}
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});
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}
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}));
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});
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Promise.all(promises).catch((error) => {
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this.domUtils.showErrorModalDefault(error, 'Error loading rules');
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}).finally(() => {
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this.loaded = true;
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});
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}
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/**
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* Check that the data is valid and send it back.
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*/
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sendData(): void {
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if (!this.preflightForm.valid) {
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// Form not valid. Scroll to the first element with errors.
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if (!this.domUtils.scrollToInputError(this.content)) {
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// Input not found, show an error modal.
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this.domUtils.showErrorModal('core.errorinvalidform', true);
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}
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} else {
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this.viewCtrl.dismiss(this.preflightForm.value);
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}
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}
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/**
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* Close modal.
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*/
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closeModal(): void {
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this.viewCtrl.dismiss();
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}
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}
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@ -34,24 +34,24 @@ export interface AddonModQuizAccessRuleHandler extends CoreDelegateHandler {
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* Whether the rule requires a preflight check when prefetch/start/continue an attempt.
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*
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* @param {any} quiz The quiz the rule belongs to.
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* @param {any} attempt The attempt started/continued.
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* @param {any} [attempt] The attempt started/continued. If not supplied, user is starting a new attempt.
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* @param {boolean} [prefetch] Whether the user is prefetching the quiz.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @return {boolean|Promise<boolean>} Whether the rule requires a preflight check.
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*/
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isPreflightCheckRequired(quiz: any, attempt: any, prefetch?: boolean, siteId?: string): boolean | Promise<boolean>;
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isPreflightCheckRequired(quiz: any, attempt?: any, prefetch?: boolean, siteId?: string): boolean | Promise<boolean>;
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/**
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* Add preflight data that doesn't require user interaction. The data should be added to the preflightData param.
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*
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* @param {any} quiz The quiz the rule belongs to.
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* @param {any} attempt The attempt started/continued.
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* @param {any} preflightData Object where to add the preflight data.
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* @param {any} [attempt] The attempt started/continued. If not supplied, user is starting a new attempt.
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* @param {boolean} [prefetch] Whether the user is prefetching the quiz.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @return {void|Promise<any>} Promise resolved when done if async, void if it's synchronous.
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*/
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getFixedPreflightData?(quiz: any, attempt: any, preflightData: any, prefetch?: boolean, siteId?: string): void | Promise<any>;
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getFixedPreflightData?(quiz: any, preflightData: any, attempt?: any, prefetch?: boolean, siteId?: string): void | Promise<any>;
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/**
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* Return the Component to use to display the access rule preflight.
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@ -128,20 +128,20 @@ export class AddonModQuizAccessRuleDelegate extends CoreDelegate {
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*
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* @param {string[]} rules List of active rules names.
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* @param {any} quiz Quiz.
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* @param {any} attempt Attempt.
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* @param {any} preflightData Object where to store the preflight data.
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* @param {any} [attempt] The attempt started/continued. If not supplied, user is starting a new attempt.
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* @param {boolean} [prefetch] Whether the user is prefetching the quiz.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @return {Promise<any>} Promise resolved when all the data has been gathered.
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*/
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getFixedPreflightData(rules: string[], quiz: any, attempt: any, preflightData: any, prefetch?: boolean, siteId?: string)
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getFixedPreflightData(rules: string[], quiz: any, preflightData: any, attempt?: any, prefetch?: boolean, siteId?: string)
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: Promise<any> {
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rules = rules || [];
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const promises = [];
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rules.forEach((rule) => {
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promises.push(Promise.resolve(
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this.executeFunctionOnEnabled(rule, 'getFixedPreflightData', [quiz, attempt, preflightData, prefetch, siteId])
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this.executeFunctionOnEnabled(rule, 'getFixedPreflightData', [quiz, preflightData, attempt, prefetch, siteId])
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));
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});
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@ -150,6 +150,16 @@ export class AddonModQuizAccessRuleDelegate extends CoreDelegate {
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});
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}
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/**
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* Get the Component to use to display the access rule preflight.
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*
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* @param {Injector} injector Injector.
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* @return {Promise<any>} Promise resolved with the component to use, undefined if not found.
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*/
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getPreflightComponent(rule: string, injector: Injector): Promise<any> {
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return Promise.resolve(this.executeFunctionOnEnabled(rule, 'getPreflightComponent', [injector]));
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}
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/**
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* Check if an access rule is supported.
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*
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@ -165,7 +175,7 @@ export class AddonModQuizAccessRuleDelegate extends CoreDelegate {
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*
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* @param {string[]} rules List of active rules names.
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* @param {any} quiz Quiz.
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* @param {any} attempt Attempt.
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* @param {any} [attempt] The attempt started/continued. If not supplied, user is starting a new attempt.
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* @param {boolean} [prefetch] Whether the user is prefetching the quiz.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @return {Promise<boolean>} Promise resolved with boolean: whether it's required.
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@ -177,9 +187,7 @@ export class AddonModQuizAccessRuleDelegate extends CoreDelegate {
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let isRequired = false;
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rules.forEach((rule) => {
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promises.push(Promise.resolve(
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this.executeFunctionOnEnabled(rule, 'isPreflightCheckRequired', [quiz, attempt, prefetch, siteId])
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).then((required) => {
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promises.push(this.isPreflightCheckRequiredForRule(rule, quiz, attempt, prefetch, siteId).then((required) => {
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if (required) {
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isRequired = true;
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}
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@ -194,6 +202,20 @@ export class AddonModQuizAccessRuleDelegate extends CoreDelegate {
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});
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}
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/**
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* Check if preflight check is required for a certain rule.
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*
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* @param {string} rule Rule name.
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* @param {any} quiz Quiz.
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* @param {any} [attempt] The attempt started/continued. If not supplied, user is starting a new attempt.
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* @param {boolean} [prefetch] Whether the user is prefetching the quiz.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @return {Promise<boolean>} Promise resolved with boolean: whether it's required.
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*/
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isPreflightCheckRequiredForRule(rule: string, quiz: any, attempt: any, prefetch?: boolean, siteId?: string): Promise<boolean> {
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return Promise.resolve(this.executeFunctionOnEnabled(rule, 'isPreflightCheckRequired', [quiz, attempt, prefetch, siteId]));
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}
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/**
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* Notify all rules that the preflight check has passed.
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*
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@ -0,0 +1,270 @@
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// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Injectable } from '@angular/core';
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import { ModalController } from 'ionic-angular';
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import { TranslateService } from '@ngx-translate/core';
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import { CoreDomUtilsProvider } from '@providers/utils/dom';
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import { CoreUtilsProvider } from '@providers/utils/utils';
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import { AddonModQuizProvider } from './quiz';
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import { AddonModQuizOfflineProvider } from './quiz-offline';
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import { AddonModQuizAccessRuleDelegate } from './access-rules-delegate';
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/**
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* Helper service that provides some features for quiz.
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*/
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@Injectable()
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export class AddonModQuizHelperProvider {
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protected div = document.createElement('div'); // A div element to search in HTML code.
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constructor(private domUtils: CoreDomUtilsProvider, private translate: TranslateService, private utils: CoreUtilsProvider,
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private accessRuleDelegate: AddonModQuizAccessRuleDelegate, private quizProvider: AddonModQuizProvider,
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private modalCtrl: ModalController, private quizOfflineProvider: AddonModQuizOfflineProvider) { }
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/**
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* Validate a preflight data or show a modal to input the preflight data if required.
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* It calls AddonModQuizProvider.startAttempt if a new attempt is needed.
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*
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* @param {any} quiz Quiz.
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* @param {any} accessInfo Quiz access info returned by AddonModQuizProvider.getQuizAccessInformation.
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* @param {any} preflightData Object where to store the preflight data.
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* @param {any} [attempt] Attempt to continue. Don't pass any value if the user needs to start a new attempt.
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* @param {boolean} [offline] Whether the attempt is offline.
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* @param {boolean} [prefetch] Whether user is prefetching.
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* @param {string} [title] The title to display in the modal and in the submit button.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @param {boolean} [retrying] Whether we're retrying after a failure.
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* @return {Promise<any>} Promise resolved when the preflight data is validated. The resolve param is the attempt.
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*/
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getAndCheckPreflightData(quiz: any, accessInfo: any, preflightData: any, attempt: any, offline?: boolean, prefetch?: boolean,
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title?: string, siteId?: string, retrying?: boolean): Promise<any> {
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const rules = accessInfo.activerulenames;
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let isPreflightCheckRequired = false;
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// Check if the user needs to input preflight data.
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return this.accessRuleDelegate.isPreflightCheckRequired(rules, quiz, attempt, prefetch, siteId).then((required) => {
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isPreflightCheckRequired = required;
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if (required) {
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// Preflight check is required but no preflightData has been sent. Show a modal with the preflight form.
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return this.getPreflightData(quiz, accessInfo, attempt, prefetch, title, siteId).then((data) => {
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// Data entered by the user, add it to preflight data and check it again.
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Object.assign(preflightData, data);
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});
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}
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}).then(() => {
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// Get some fixed preflight data from access rules (data that doesn't require user interaction).
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return this.accessRuleDelegate.getFixedPreflightData(rules, quiz, preflightData, attempt, prefetch, siteId);
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}).then(() => {
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// All the preflight data is gathered, now validate it.
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return this.validatePreflightData(quiz, accessInfo, preflightData, attempt, offline, prefetch, siteId)
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.catch((error) => {
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if (prefetch) {
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return Promise.reject(error);
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} else if (retrying && !isPreflightCheckRequired) {
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// We're retrying after a failure, but the preflight check wasn't required.
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// If this happens it means there's something wrong with some access rule.
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// Don't retry again because it would lead to an infinite loop.
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return Promise.reject(error);
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} else {
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// Show error and ask for the preflight again.
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// Wait to show the error because we want it to be shown over the preflight modal.
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setTimeout(() => {
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this.domUtils.showErrorModalDefault(error, 'core.error', true);
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}, 100);
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return this.getAndCheckPreflightData(quiz, accessInfo, preflightData, attempt, offline, prefetch,
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title, siteId, true);
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}
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});
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});
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}
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/**
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* Get the preflight data from the user using a modal.
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*
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* @param {any} quiz Quiz.
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* @param {any} accessInfo Quiz access info returned by AddonModQuizProvider.getQuizAccessInformation.
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* @param {any} [attempt] The attempt started/continued. If not supplied, user is starting a new attempt.
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* @param {boolean} [prefetch] Whether the user is prefetching the quiz.
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* @param {string} [title] The title to display in the modal and in the submit button.
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* @param {string} [siteId] Site ID. If not defined, current site.
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* @return {Promise<any>} Promise resolved with the preflight data. Rejected if user cancels.
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*/
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getPreflightData(quiz: any, accessInfo: any, attempt: any, prefetch?: boolean, title?: string, siteId?: string): Promise<any> {
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const notSupported: string[] = [];
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// Check if there is any unsupported rule.
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accessInfo.activerulenames.forEach((rule) => {
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if (!this.accessRuleDelegate.isAccessRuleSupported(rule)) {
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notSupported.push(rule);
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}
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});
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if (notSupported.length) {
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return Promise.reject(this.translate.instant('addon.mod_quiz.errorrulesnotsupported') + ' ' +
|
||||
JSON.stringify(notSupported));
|
||||
}
|
||||
|
||||
// Create and show the modal.
|
||||
const modal = this.modalCtrl.create('AddonModQuizPreflightModalPage', {
|
||||
title: title,
|
||||
quiz: quiz,
|
||||
attempt: attempt,
|
||||
prefetch: !!prefetch,
|
||||
siteId: siteId,
|
||||
rules: accessInfo.activerulenames
|
||||
});
|
||||
|
||||
modal.present();
|
||||
|
||||
// Wait for modal to be dismissed.
|
||||
return new Promise((resolve, reject): void => {
|
||||
modal.onDidDismiss((data) => {
|
||||
if (typeof data != 'undefined') {
|
||||
resolve(data);
|
||||
} else {
|
||||
reject(null);
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the mark string from a question HTML.
|
||||
* Example result: "Marked out of 1.00".
|
||||
*
|
||||
* @param {string} html Question's HTML.
|
||||
* @return {string} Question's mark.
|
||||
*/
|
||||
getQuestionMarkFromHtml(html: string): string {
|
||||
this.div.innerHTML = html;
|
||||
|
||||
return this.domUtils.getContentsOfElement(this.div, '.grade');
|
||||
}
|
||||
|
||||
/**
|
||||
* Add some calculated data to the attempt.
|
||||
*
|
||||
* @param {any} quiz Quiz.
|
||||
* @param {any} attempt Attempt.
|
||||
* @param {boolean} highlight Whether we should check if attempt should be highlighted.
|
||||
* @param {number} [bestGrade] Quiz's best grade (formatted). Required if highlight=true.
|
||||
*/
|
||||
setAttemptCalculatedData(quiz: any, attempt: any, highlight?: boolean, bestGrade?: string): void {
|
||||
|
||||
attempt.rescaledGrade = this.quizProvider.rescaleGrade(attempt.sumgrades, quiz, false);
|
||||
attempt.finished = this.quizProvider.isAttemptFinished(attempt.state);
|
||||
attempt.readableState = this.quizProvider.getAttemptReadableState(quiz, attempt);
|
||||
|
||||
if (quiz.showMarkColumn && attempt.finished) {
|
||||
attempt.readableMark = this.quizProvider.formatGrade(attempt.sumgrades, quiz.decimalpoints);
|
||||
} else {
|
||||
attempt.readableMark = '';
|
||||
}
|
||||
|
||||
if (quiz.showGradeColumn && attempt.finished) {
|
||||
attempt.readableGrade = this.quizProvider.formatGrade(attempt.rescaledGrade, quiz.decimalpoints);
|
||||
|
||||
// Highlight the highest grade if appropriate.
|
||||
attempt.highlightGrade = highlight && !attempt.preview && attempt.state == AddonModQuizProvider.ATTEMPT_FINISHED &&
|
||||
attempt.readableGrade == bestGrade;
|
||||
} else {
|
||||
attempt.readableGrade = '';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add some calculated data to the quiz.
|
||||
*
|
||||
* @param {any} quiz Quiz.
|
||||
* @param {any} options Options returned by AddonModQuizProvider.getCombinedReviewOptions.
|
||||
*/
|
||||
setQuizCalculatedData(quiz: any, options: any): void {
|
||||
quiz.sumGradesFormatted = this.quizProvider.formatGrade(quiz.sumgrades, quiz.decimalpoints);
|
||||
quiz.gradeFormatted = this.quizProvider.formatGrade(quiz.grade, quiz.decimalpoints);
|
||||
|
||||
quiz.showAttemptColumn = quiz.attempts != 1;
|
||||
quiz.showGradeColumn = options.someoptions.marks >= AddonModQuizProvider.QUESTION_OPTIONS_MARK_AND_MAX &&
|
||||
this.quizProvider.quizHasGrades(quiz);
|
||||
quiz.showMarkColumn = quiz.showGradeColumn && quiz.grade != quiz.sumgrades;
|
||||
quiz.showFeedbackColumn = quiz.hasfeedback && options.alloptions.overallfeedback;
|
||||
}
|
||||
|
||||
/**
|
||||
* Validate the preflight data. It calls AddonModQuizProvider.startAttempt if a new attempt is needed.
|
||||
*
|
||||
* @param {any} quiz Quiz.
|
||||
* @param {any} accessInfo Quiz access info returned by AddonModQuizProvider.getQuizAccessInformation.
|
||||
* @param {any} preflightData Object where to store the preflight data.
|
||||
* @param {any} [attempt] Attempt to continue. Don't pass any value if the user needs to start a new attempt.
|
||||
* @param {boolean} [offline] Whether the attempt is offline.
|
||||
* @param {boolean} [sent] Whether preflight data has been entered by the user.
|
||||
* @param {boolean} [prefetch] Whether user is prefetching.
|
||||
* @param {string} [title] The title to display in the modal and in the submit button.
|
||||
* @param {string} [siteId] Site ID. If not defined, current site.
|
||||
* @return {Promise<any>} Promise resolved when the preflight data is validated.
|
||||
*/
|
||||
validatePreflightData(quiz: any, accessInfo: any, preflightData: any, attempt: any, offline?: boolean, prefetch?: boolean,
|
||||
siteId?: string): Promise<any> {
|
||||
|
||||
const rules = accessInfo.activerulenames;
|
||||
let promise;
|
||||
|
||||
if (attempt) {
|
||||
if (attempt.state != AddonModQuizProvider.ATTEMPT_OVERDUE && !attempt.finishedOffline) {
|
||||
// We're continuing an attempt. Call getAttemptData to validate the preflight data.
|
||||
const page = attempt.currentpage;
|
||||
|
||||
promise = this.quizProvider.getAttemptData(attempt.id, page, preflightData, offline, true, siteId).then(() => {
|
||||
if (offline) {
|
||||
// Get current page stored in local.
|
||||
return this.quizOfflineProvider.getAttemptById(attempt.id).then((localAttempt) => {
|
||||
attempt.currentpage = localAttempt.currentpage;
|
||||
}).catch(() => {
|
||||
// No local data.
|
||||
});
|
||||
}
|
||||
});
|
||||
} else {
|
||||
// Attempt is overdue or finished in offline, we can only see the summary.
|
||||
// Call getAttemptSummary to validate the preflight data.
|
||||
promise = this.quizProvider.getAttemptSummary(attempt.id, preflightData, offline, true, false, siteId);
|
||||
}
|
||||
} else {
|
||||
// We're starting a new attempt, call startAttempt.
|
||||
promise = this.quizProvider.startAttempt(quiz.id, preflightData, false, siteId).then((att) => {
|
||||
attempt = att;
|
||||
});
|
||||
}
|
||||
|
||||
return promise.then(() => {
|
||||
// Preflight data validated.
|
||||
this.accessRuleDelegate.notifyPreflightCheckPassed(rules, quiz, attempt, preflightData, prefetch, siteId);
|
||||
|
||||
return attempt;
|
||||
}).catch((error) => {
|
||||
if (this.utils.isWebServiceError(error)) {
|
||||
// The WebService returned an error, assume the preflight failed.
|
||||
this.accessRuleDelegate.notifyPreflightCheckFailed(rules, quiz, attempt, preflightData, prefetch, siteId);
|
||||
}
|
||||
|
||||
return Promise.reject(error);
|
||||
});
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue