forked from EVOgeek/Vmeda.Online
693 lines
26 KiB
TypeScript
693 lines
26 KiB
TypeScript
// (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, ViewChild, OnDestroy, NgZone } from '@angular/core';
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import { IonicPage, Content, NavParams, NavController } from 'ionic-angular';
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import { AddonCalendarProvider } from '../../providers/calendar';
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import { AddonCalendarOfflineProvider } from '../../providers/calendar-offline';
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import { AddonCalendarHelperProvider } from '../../providers/helper';
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import { AddonCalendarSyncProvider } from '../../providers/calendar-sync';
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import { CoreCoursesProvider } from '@core/courses/providers/courses';
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import { CoreCoursesHelperProvider } from '@core/courses/providers/helper';
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import { CoreDomUtilsProvider } from '@providers/utils/dom';
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import { CoreTimeUtilsProvider } from '@providers/utils/time';
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import { CoreUtilsProvider } from '@providers/utils/utils';
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import { CoreSitesProvider } from '@providers/sites';
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import { CoreLocalNotificationsProvider } from '@providers/local-notifications';
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import { CoreEventsProvider } from '@providers/events';
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import { CoreAppProvider } from '@providers/app';
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import { CoreSplitViewComponent } from '@components/split-view/split-view';
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import * as moment from 'moment';
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import { Network } from '@ionic-native/network';
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import { CoreConstants } from '@core/constants';
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/**
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* Page that displays the list of calendar events.
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*/
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@IonicPage({ segment: 'addon-calendar-list' })
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@Component({
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selector: 'page-addon-calendar-list',
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templateUrl: 'list.html',
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})
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export class AddonCalendarListPage implements OnDestroy {
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@ViewChild(Content) content: Content;
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@ViewChild(CoreSplitViewComponent) splitviewCtrl: CoreSplitViewComponent;
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protected initialTime = 0;
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protected daysLoaded = 0;
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protected emptyEventsTimes = 0; // Variable to identify consecutive calls returning 0 events.
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protected categoriesRetrieved = false;
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protected getCategories = false;
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protected categories = {};
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protected siteHomeId: number;
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protected obsDefaultTimeChange: any;
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protected eventId: number;
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protected newEventObserver: any;
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protected discardedObserver: any;
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protected editEventObserver: any;
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protected deleteEventObserver: any;
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protected undeleteEventObserver: any;
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protected syncObserver: any;
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protected manualSyncObserver: any;
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protected onlineObserver: any;
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protected currentSiteId: string;
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protected onlineEvents = [];
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protected offlineEvents = [];
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protected deletedEvents = [];
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courses: any[];
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eventsLoaded = false;
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events = []; // Events (both online and offline).
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notificationsEnabled = false;
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filteredEvents = [];
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canLoadMore = false;
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loadMoreError = false;
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courseId: number;
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categoryId: number;
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canCreate = false;
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hasOffline = false;
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isOnline = false;
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syncIcon: string; // Sync icon.
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constructor(private calendarProvider: AddonCalendarProvider, navParams: NavParams,
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private domUtils: CoreDomUtilsProvider, private coursesProvider: CoreCoursesProvider, private utils: CoreUtilsProvider,
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private calendarHelper: AddonCalendarHelperProvider, sitesProvider: CoreSitesProvider, zone: NgZone,
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localNotificationsProvider: CoreLocalNotificationsProvider, private coursesHelper: CoreCoursesHelperProvider,
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private eventsProvider: CoreEventsProvider, private navCtrl: NavController, private appProvider: CoreAppProvider,
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private calendarOffline: AddonCalendarOfflineProvider, private calendarSync: AddonCalendarSyncProvider,
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network: Network, private timeUtils: CoreTimeUtilsProvider) {
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this.siteHomeId = sitesProvider.getCurrentSite().getSiteHomeId();
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this.notificationsEnabled = localNotificationsProvider.isAvailable();
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this.currentSiteId = sitesProvider.getCurrentSiteId();
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if (this.notificationsEnabled) {
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// Re-schedule events if default time changes.
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this.obsDefaultTimeChange = eventsProvider.on(AddonCalendarProvider.DEFAULT_NOTIFICATION_TIME_CHANGED, () => {
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calendarProvider.scheduleEventsNotifications(this.onlineEvents);
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}, this.currentSiteId);
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}
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this.eventId = navParams.get('eventId') || false;
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this.courseId = navParams.get('courseId');
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// Listen for events added. When an event is added, reload the data.
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this.newEventObserver = eventsProvider.on(AddonCalendarProvider.NEW_EVENT_EVENT, (data) => {
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if (data && data.event) {
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if (this.splitviewCtrl.isOn()) {
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// Discussion added, clear details page.
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this.splitviewCtrl.emptyDetails();
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}
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this.eventsLoaded = false;
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this.refreshEvents(true, false).finally(() => {
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// In tablet mode try to open the event (only if it's an online event).
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if (this.splitviewCtrl.isOn() && data.event.id > 0) {
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this.gotoEvent(data.event.id);
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}
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});
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}
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}, this.currentSiteId);
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// Listen for new event discarded event. When it does, reload the data.
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this.discardedObserver = eventsProvider.on(AddonCalendarProvider.NEW_EVENT_DISCARDED_EVENT, () => {
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if (this.splitviewCtrl.isOn()) {
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// Discussion added, clear details page.
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this.splitviewCtrl.emptyDetails();
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}
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this.eventsLoaded = false;
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this.refreshEvents(true, false);
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}, this.currentSiteId);
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// Listen for events edited. When an event is edited, reload the data.
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this.editEventObserver = eventsProvider.on(AddonCalendarProvider.EDIT_EVENT_EVENT, (data) => {
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if (data && data.event) {
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this.eventsLoaded = false;
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this.refreshEvents(true, false);
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}
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}, this.currentSiteId);
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// Refresh data if calendar events are synchronized automatically.
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this.syncObserver = eventsProvider.on(AddonCalendarSyncProvider.AUTO_SYNCED, (data) => {
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this.eventsLoaded = false;
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this.refreshEvents();
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if (this.splitviewCtrl.isOn() && this.eventId && data && data.deleted && data.deleted.indexOf(this.eventId) != -1) {
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// Current selected event was deleted. Clear details.
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this.splitviewCtrl.emptyDetails();
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}
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}, this.currentSiteId);
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// Refresh data if calendar events are synchronized manually but not by this page.
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this.manualSyncObserver = eventsProvider.on(AddonCalendarSyncProvider.MANUAL_SYNCED, (data) => {
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if (data && data.source != 'list') {
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this.eventsLoaded = false;
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this.refreshEvents();
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}
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if (this.splitviewCtrl.isOn() && this.eventId && data && data.deleted && data.deleted.indexOf(this.eventId) != -1) {
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// Current selected event was deleted. Clear details.
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this.splitviewCtrl.emptyDetails();
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}
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}, this.currentSiteId);
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// Update the list when an event is deleted.
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this.deleteEventObserver = eventsProvider.on(AddonCalendarProvider.DELETED_EVENT_EVENT, (data) => {
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if (data && !data.sent) {
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// Event was deleted in offline. Just mark it as deleted, no need to refresh.
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this.markAsDeleted(data.eventId, true);
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this.deletedEvents.push(data.eventId);
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this.hasOffline = true;
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} else {
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// Event deleted, clear the details if needed and refresh the view.
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if (this.splitviewCtrl.isOn()) {
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this.splitviewCtrl.emptyDetails();
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}
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this.eventsLoaded = false;
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this.refreshEvents();
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}
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}, this.currentSiteId);
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// Listen for events "undeleted" (offline).
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this.undeleteEventObserver = eventsProvider.on(AddonCalendarProvider.UNDELETED_EVENT_EVENT, (data) => {
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if (data && data.eventId) {
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// Mark it as undeleted, no need to refresh.
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this.markAsDeleted(data.eventId, false);
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// Remove it from the list of deleted events if it's there.
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const index = this.deletedEvents.indexOf(data.eventId);
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if (index != -1) {
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this.deletedEvents.splice(index, 1);
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}
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this.hasOffline = !!this.offlineEvents.length || !!this.deletedEvents.length;
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}
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}, this.currentSiteId);
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// Refresh online status when changes.
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this.onlineObserver = network.onchange().subscribe(() => {
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// Execute the callback in the Angular zone, so change detection doesn't stop working.
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zone.run(() => {
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this.isOnline = this.appProvider.isOnline();
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});
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});
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}
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/**
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* View loaded.
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*/
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ionViewDidLoad(): void {
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if (this.eventId) {
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// There is an event to load, open the event in a new state.
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this.gotoEvent(this.eventId);
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}
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this.syncIcon = 'spinner';
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this.fetchData(false, true, false).then(() => {
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if (!this.eventId && this.splitviewCtrl.isOn() && this.events.length > 0) {
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// Take first online event and load it. If no online event, load the first offline.
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if (this.onlineEvents[0]) {
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this.gotoEvent(this.onlineEvents[0].id);
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} else {
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this.gotoEvent(this.offlineEvents[0].id);
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}
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}
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});
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}
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/**
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* Fetch all the data required for the view.
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*
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* @param refresh Empty events array first.
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* @param sync Whether it should try to synchronize offline events.
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* @param showErrors Whether to show sync errors to the user.
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* @return Promise resolved when done.
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*/
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fetchData(refresh?: boolean, sync?: boolean, showErrors?: boolean): Promise<any> {
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this.initialTime = this.timeUtils.timestamp();
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this.daysLoaded = 0;
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this.emptyEventsTimes = 0;
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this.isOnline = this.appProvider.isOnline();
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let promise;
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if (sync) {
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// Try to synchronize offline events.
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promise = this.calendarSync.syncEvents().then((result) => {
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if (result.warnings && result.warnings.length) {
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this.domUtils.showErrorModal(result.warnings[0]);
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}
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if (result.updated) {
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// Trigger a manual sync event.
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result.source = 'list';
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this.eventsProvider.trigger(AddonCalendarSyncProvider.MANUAL_SYNCED, result, this.currentSiteId);
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}
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}).catch((error) => {
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if (showErrors) {
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this.domUtils.showErrorModalDefault(error, 'core.errorsync', true);
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}
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});
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} else {
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promise = Promise.resolve();
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}
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return promise.then(() => {
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const promises = [];
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this.hasOffline = false;
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promises.push(this.calendarHelper.canEditEvents(this.courseId).then((canEdit) => {
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this.canCreate = canEdit;
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}));
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// Load courses for the popover.
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promises.push(this.coursesHelper.getCoursesForPopover(this.courseId).then((result) => {
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this.courses = result.courses;
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this.categoryId = result.categoryId;
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return this.fetchEvents(refresh);
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}));
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// Get offline events.
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promises.push(this.calendarOffline.getAllEditedEvents().then((events) => {
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this.hasOffline = this.hasOffline || !!events.length;
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// Format data and sort by timestart.
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events.forEach((event) => {
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event.offline = true;
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this.calendarHelper.formatEventData(event);
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});
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this.offlineEvents = this.sortEvents(events);
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}));
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// Get events deleted in offline.
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promises.push(this.calendarOffline.getAllDeletedEventsIds().then((ids) => {
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this.hasOffline = this.hasOffline || !!ids.length;
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this.deletedEvents = ids;
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}));
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return Promise.all(promises);
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}).finally(() => {
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this.eventsLoaded = true;
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this.syncIcon = 'sync';
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});
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}
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/**
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* Fetches the events and updates the view.
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*
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* @param refresh Empty events array first.
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* @return Promise resolved when done.
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*/
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fetchEvents(refresh?: boolean): Promise<any> {
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this.loadMoreError = false;
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return this.calendarProvider.getEventsList(this.initialTime, this.daysLoaded, AddonCalendarProvider.DAYS_INTERVAL)
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.then((onlineEvents) => {
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if (onlineEvents.length === 0) {
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this.emptyEventsTimes++;
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if (this.emptyEventsTimes > 5) { // Stop execution if we retrieve empty list 6 consecutive times.
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this.canLoadMore = false;
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if (refresh) {
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this.onlineEvents = [];
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this.filteredEvents = [];
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this.events = this.offlineEvents;
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}
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} else {
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// No events returned, load next events.
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this.daysLoaded += AddonCalendarProvider.DAYS_INTERVAL;
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return this.fetchEvents();
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}
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} else {
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onlineEvents.forEach(this.calendarHelper.formatEventData.bind(this.calendarHelper));
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// Get the merged events of this period.
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const events = this.mergeEvents(onlineEvents);
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this.getCategories = this.shouldLoadCategories(onlineEvents);
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if (refresh) {
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this.onlineEvents = onlineEvents;
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this.events = events;
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} else {
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// Filter events with same ID. Repeated events are returned once per WS call, show them only once.
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this.onlineEvents = this.utils.mergeArraysWithoutDuplicates(this.onlineEvents, onlineEvents, 'id');
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this.events = this.utils.mergeArraysWithoutDuplicates(this.events, events, 'id');
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}
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this.filteredEvents = this.getFilteredEvents();
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// Calculate which evemts need to display the date.
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this.filteredEvents.forEach((event, index): any => {
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event.showDate = this.showDate(event, this.filteredEvents[index - 1]);
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event.endsSameDay = this.endsSameDay(event);
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});
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this.canLoadMore = true;
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// Schedule notifications for the events retrieved (might have new events).
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this.calendarProvider.scheduleEventsNotifications(this.onlineEvents);
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this.daysLoaded += AddonCalendarProvider.DAYS_INTERVAL;
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}
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// Resize the content so infinite loading is able to calculate if it should load more items or not.
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// @todo: Infinite loading is not working if content is not high enough.
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this.content.resize();
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}).catch((error) => {
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this.domUtils.showErrorModalDefault(error, 'addon.calendar.errorloadevents', true);
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this.loadMoreError = true; // Set to prevent infinite calls with infinite-loading.
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}).then(() => {
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// Success retrieving events. Get categories if needed.
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if (this.getCategories) {
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this.getCategories = false;
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return this.loadCategories();
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}
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});
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}
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/**
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* Function to load more events.
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*
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* @param infiniteComplete Infinite scroll complete function. Only used from core-infinite-loading.
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* @return Resolved when done.
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*/
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loadMoreEvents(infiniteComplete?: any): Promise<any> {
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return this.fetchEvents().finally(() => {
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infiniteComplete && infiniteComplete();
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});
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}
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/**
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* Get filtered events.
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*
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* @return Filtered events.
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*/
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protected getFilteredEvents(): any[] {
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if (!this.courseId) {
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// No filter, display everything.
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return this.events;
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}
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return this.events.filter((event) => {
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return this.calendarHelper.shouldDisplayEvent(event, this.courseId, this.categoryId, this.categories);
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});
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}
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/**
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* Returns if the current state should load categories or not.
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* @param events Events to parse.
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* @return True if categories should be loaded.
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*/
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protected shouldLoadCategories(events: any[]): boolean {
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if (this.categoriesRetrieved || this.getCategories) {
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// Use previous value
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return this.getCategories;
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}
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// Categories not loaded yet. We should get them if there's any category event.
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const found = events.some((event) => event.categoryid != 'undefined' && event.categoryid > 0);
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return found || this.getCategories;
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}
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/**
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* Load categories to be able to filter events.
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*
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* @return Promise resolved when done.
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*/
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protected loadCategories(): Promise<any> {
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return this.coursesProvider.getCategories(0, true).then((cats) => {
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this.categoriesRetrieved = true;
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this.categories = {};
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// Index categories by ID.
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cats.forEach((category) => {
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this.categories[category.id] = category;
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});
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}).catch(() => {
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// Ignore errors.
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});
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}
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/**
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* Merge a period of online events with the offline events of that period.
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*
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* @param onlineEvents Online events.
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* @return Merged events.
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*/
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protected mergeEvents(onlineEvents: any[]): any[] {
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if (!this.offlineEvents.length && !this.deletedEvents.length) {
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// No offline events, nothing to merge.
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return onlineEvents;
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}
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const start = this.initialTime + (CoreConstants.SECONDS_DAY * this.daysLoaded),
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end = start + (CoreConstants.SECONDS_DAY * AddonCalendarProvider.DAYS_INTERVAL) - 1;
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let result = onlineEvents;
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if (this.deletedEvents.length) {
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// Mark as deleted the events that were deleted in offline.
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result.forEach((event) => {
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event.deleted = this.deletedEvents.indexOf(event.id) != -1;
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});
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}
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if (this.offlineEvents.length) {
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// Remove the online events that were modified in offline.
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result = result.filter((event) => {
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const offlineEvent = this.offlineEvents.find((ev) => {
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return ev.id == event.id;
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});
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return !offlineEvent;
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});
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}
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// Now get the offline events that belong to this period.
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const periodOfflineEvents = this.offlineEvents.filter((event) => {
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if (this.daysLoaded == 0 && event.timestart < start) {
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// Display offline events that are previous to current time to allow editing them.
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return true;
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}
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return (event.timestart >= start || event.timestart + event.timeduration >= start) && event.timestart <= end;
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});
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// Merge both arrays and sort them.
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result = result.concat(periodOfflineEvents);
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return this.sortEvents(result);
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}
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/**
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* Sort events by timestart.
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*
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* @param events List to sort.
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*/
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protected sortEvents(events: any[]): any[] {
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return events.sort((a, b) => {
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if (a.timestart == b.timestart) {
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return a.timeduration - b.timeduration;
|
|
}
|
|
|
|
return a.timestart - b.timestart;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Refresh the data.
|
|
*
|
|
* @param refresher Refresher.
|
|
* @param done Function to call when done.
|
|
* @param showErrors Whether to show sync errors to the user.
|
|
* @return Promise resolved when done.
|
|
*/
|
|
doRefresh(refresher?: any, done?: () => void, showErrors?: boolean): Promise<any> {
|
|
if (this.eventsLoaded) {
|
|
return this.refreshEvents(true, showErrors).finally(() => {
|
|
refresher && refresher.complete();
|
|
done && done();
|
|
});
|
|
}
|
|
|
|
return Promise.resolve();
|
|
}
|
|
|
|
/**
|
|
* Refresh the events.
|
|
*
|
|
* @param sync Whether it should try to synchronize offline events.
|
|
* @param showErrors Whether to show sync errors to the user.
|
|
* @return Promise resolved when done.
|
|
*/
|
|
refreshEvents(sync?: boolean, showErrors?: boolean): Promise<any> {
|
|
this.syncIcon = 'spinner';
|
|
|
|
const promises = [];
|
|
|
|
promises.push(this.calendarProvider.invalidateEventsList());
|
|
promises.push(this.calendarProvider.invalidateAllowedEventTypes());
|
|
|
|
if (this.categoriesRetrieved) {
|
|
promises.push(this.coursesProvider.invalidateCategories(0, true));
|
|
this.categoriesRetrieved = false;
|
|
}
|
|
|
|
return Promise.all(promises).finally(() => {
|
|
return this.fetchData(true, sync, showErrors);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Check date should be shown on event list for the current event.
|
|
* If date has changed from previous to current event it should be shown.
|
|
*
|
|
* @param event Current event where to show the date.
|
|
* @param prevEvent Previous event where to compare the date with.
|
|
* @return If date has changed and should be shown.
|
|
*/
|
|
protected showDate(event: any, prevEvent?: any): boolean {
|
|
if (!prevEvent) {
|
|
// First event, show it.
|
|
return true;
|
|
}
|
|
|
|
// Check if day has changed.
|
|
return !moment(event.timestart * 1000).isSame(prevEvent.timestart * 1000, 'day');
|
|
}
|
|
|
|
/**
|
|
* Check if event ends the same date or not.
|
|
*
|
|
* @param event Event info.
|
|
* @return If date has changed and should be shown.
|
|
*/
|
|
protected endsSameDay(event: any): boolean {
|
|
if (!event.timeduration) {
|
|
// No duration.
|
|
return true;
|
|
}
|
|
|
|
// Check if day has changed.
|
|
return moment(event.timestart * 1000).isSame((event.timestart + event.timeduration) * 1000, 'day');
|
|
}
|
|
|
|
/**
|
|
* Show the context menu.
|
|
*
|
|
* @param event Event.
|
|
*/
|
|
openCourseFilter(event: MouseEvent): void {
|
|
this.coursesHelper.selectCourse(event, this.courses, this.courseId).then((result) => {
|
|
if (typeof result.courseId != 'undefined') {
|
|
this.courseId = result.courseId > 0 ? result.courseId : undefined;
|
|
this.categoryId = result.courseId > 0 ? result.categoryId : undefined;
|
|
|
|
// Course viewed has changed, check if the user can create events for this course calendar.
|
|
this.calendarHelper.canEditEvents(this.courseId).then((canEdit) => {
|
|
this.canCreate = canEdit;
|
|
});
|
|
|
|
this.filteredEvents = this.getFilteredEvents();
|
|
|
|
this.domUtils.scrollToTop(this.content);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Open page to create/edit an event.
|
|
*
|
|
* @param eventId Event ID to edit.
|
|
*/
|
|
openEdit(eventId?: number): void {
|
|
this.eventId = undefined;
|
|
|
|
const params: any = {};
|
|
|
|
if (eventId) {
|
|
params.eventId = eventId;
|
|
}
|
|
if (this.courseId) {
|
|
params.courseId = this.courseId;
|
|
}
|
|
|
|
this.splitviewCtrl.push('AddonCalendarEditEventPage', params);
|
|
}
|
|
|
|
/**
|
|
* Open calendar events settings.
|
|
*/
|
|
openSettings(): void {
|
|
this.navCtrl.push('AddonCalendarSettingsPage');
|
|
}
|
|
|
|
/**
|
|
* Navigate to a particular event.
|
|
*
|
|
* @param eventId Event to load.
|
|
*/
|
|
gotoEvent(eventId: number): void {
|
|
this.eventId = eventId;
|
|
|
|
if (eventId < 0) {
|
|
// It's an offline event, go to the edit page.
|
|
this.openEdit(eventId);
|
|
} else {
|
|
this.splitviewCtrl.push('AddonCalendarEventPage', {
|
|
id: eventId
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find an event and mark it as deleted.
|
|
*
|
|
* @param eventId Event ID.
|
|
* @param deleted Whether to mark it as deleted or not.
|
|
*/
|
|
protected markAsDeleted(eventId: number, deleted: boolean): void {
|
|
const event = this.onlineEvents.find((event) => {
|
|
return event.id == eventId;
|
|
});
|
|
|
|
if (event) {
|
|
event.deleted = deleted;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Page destroyed.
|
|
*/
|
|
ngOnDestroy(): void {
|
|
this.obsDefaultTimeChange && this.obsDefaultTimeChange.off();
|
|
this.newEventObserver && this.newEventObserver.off();
|
|
this.discardedObserver && this.discardedObserver.off();
|
|
this.editEventObserver && this.editEventObserver.off();
|
|
this.deleteEventObserver && this.deleteEventObserver.off();
|
|
this.undeleteEventObserver && this.undeleteEventObserver.off();
|
|
this.syncObserver && this.syncObserver.off();
|
|
this.manualSyncObserver && this.manualSyncObserver.off();
|
|
this.onlineObserver && this.onlineObserver.unsubscribe();
|
|
}
|
|
}
|