2019-08-12 12:45:20 +02:00

284 lines
12 KiB
TypeScript

// (C) Copyright 2015 Martin Dougiamas
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Injectable } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
import { CoreSyncBaseProvider } from '@classes/base-sync';
import { CoreCourseProvider } from '@core/course/providers/course';
import { CoreAppProvider } from '@providers/app';
import { CoreLoggerProvider } from '@providers/logger';
import { CoreEventsProvider } from '@providers/events';
import { CoreSitesProvider } from '@providers/sites';
import { CoreSyncProvider } from '@providers/sync';
import { CoreTextUtilsProvider } from '@providers/utils/text';
import { CoreTimeUtilsProvider } from '@providers/utils/time';
import { CoreUtilsProvider } from '@providers/utils/utils';
import { AddonCalendarProvider } from './calendar';
import { AddonCalendarOfflineProvider } from './calendar-offline';
/**
* Service to sync calendar.
*/
@Injectable()
export class AddonCalendarSyncProvider extends CoreSyncBaseProvider {
static AUTO_SYNCED = 'addon_calendar_autom_synced';
static MANUAL_SYNCED = 'addon_calendar_manual_synced';
static SYNC_ID = 'calendar';
constructor(translate: TranslateService,
appProvider: CoreAppProvider,
courseProvider: CoreCourseProvider,
private eventsProvider: CoreEventsProvider,
loggerProvider: CoreLoggerProvider,
sitesProvider: CoreSitesProvider,
syncProvider: CoreSyncProvider,
textUtils: CoreTextUtilsProvider,
timeUtils: CoreTimeUtilsProvider,
private utils: CoreUtilsProvider,
private calendarProvider: AddonCalendarProvider,
private calendarOffline: AddonCalendarOfflineProvider) {
super('AddonCalendarSyncProvider', loggerProvider, sitesProvider, appProvider, syncProvider, textUtils, translate,
timeUtils);
}
/**
* Try to synchronize all events in a certain site or in all sites.
*
* @param {string} [siteId] Site ID to sync. If not defined, sync all sites.
* @param {boolean} [force] Wether to force sync not depending on last execution.
* @return {Promise<any>} Promise resolved if sync is successful, rejected if sync fails.
*/
syncAllEvents(siteId?: string, force?: boolean): Promise<any> {
return this.syncOnSites('all calendar events', this.syncAllEventsFunc.bind(this), [force], siteId);
}
/**
* Sync all events on a site.
*
* @param {string} siteId Site ID to sync.
* @param {boolean} [force] Wether to force sync not depending on last execution.
* @return {Promise<any>} Promise resolved if sync is successful, rejected if sync fails.
*/
protected syncAllEventsFunc(siteId: string, force?: boolean): Promise<any> {
const promise = force ? this.syncEvents(siteId) : this.syncEventsIfNeeded(siteId);
return promise.then((result) => {
if (result && result.updated) {
// Sync successful, send event.
this.eventsProvider.trigger(AddonCalendarSyncProvider.AUTO_SYNCED, {
warnings: result.warnings,
events: result.events,
deleted: result.deleted
}, siteId);
}
});
}
/**
* Sync a site events only if a certain time has passed since the last time.
*
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<any>} Promise resolved when the events are synced or if it doesn't need to be synced.
*/
syncEventsIfNeeded(siteId?: string): Promise<any> {
siteId = siteId || this.sitesProvider.getCurrentSiteId();
return this.isSyncNeeded(AddonCalendarSyncProvider.SYNC_ID, siteId).then((needed) => {
if (needed) {
return this.syncEvents(siteId);
}
});
}
/**
* Synchronize all offline events of a certain site.
*
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<any>} Promise resolved if sync is successful, rejected otherwise.
*/
syncEvents(siteId?: string): Promise<any> {
siteId = siteId || this.sitesProvider.getCurrentSiteId();
if (this.isSyncing(AddonCalendarSyncProvider.SYNC_ID, siteId)) {
// There's already a sync ongoing for this site, return the promise.
return this.getOngoingSync(AddonCalendarSyncProvider.SYNC_ID, siteId);
}
this.logger.debug('Try to sync calendar events for site ' + siteId);
const result = {
warnings: [],
events: [],
deleted: [],
updated: false
};
let offlineEventIds: number[];
// Get offline events.
const syncPromise = this.calendarOffline.getAllEventsIds(siteId).catch(() => {
// No offline data found, return empty list.
return [];
}).then((eventIds) => {
offlineEventIds = eventIds;
if (!eventIds.length) {
// Nothing to sync.
return;
} else if (!this.appProvider.isOnline()) {
// Cannot sync in offline.
return Promise.reject(null);
}
const promises = [];
offlineEventIds.forEach((eventId) => {
promises.push(this.syncOfflineEvent(eventId, result, siteId));
});
return this.utils.allPromises(promises);
}).then(() => {
if (result.updated) {
// Data has been sent to server. Now invalidate the WS calls.
const promises = [
this.calendarProvider.invalidateEventsList(siteId),
];
offlineEventIds.forEach((eventId) => {
if (eventId > 0) {
// An event was edited, invalidate its data too.
promises.push(this.calendarProvider.invalidateEvent(eventId, siteId));
}
});
return Promise.all(promises).catch(() => {
// Ignore errors.
});
}
}).then(() => {
// Sync finished, set sync time.
return this.setSyncTime(AddonCalendarSyncProvider.SYNC_ID, siteId).catch(() => {
// Ignore errors.
});
}).then(() => {
// All done, return the result.
return result;
});
return this.addOngoingSync(AddonCalendarSyncProvider.SYNC_ID, syncPromise, siteId);
}
/**
* Synchronize an offline event.
*
* @param {number} eventId The event ID to sync.
* @param {any} result Object where to store the result of the sync.
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<any>} Promise resolved if sync is successful, rejected otherwise.
*/
protected syncOfflineEvent(eventId: number, result: any, siteId?: string): Promise<any> {
// Verify that event isn't blocked.
if (this.syncProvider.isBlocked(AddonCalendarProvider.COMPONENT, eventId, siteId)) {
this.logger.debug('Cannot sync event ' + eventId + ' because it is blocked.');
return Promise.reject(this.translate.instant('core.errorsyncblocked',
{$a: this.translate.instant('addon.calendar.calendarevent')}));
}
// First of all, check if the event has been deleted.
return this.calendarOffline.getDeletedEvent(eventId, siteId).then((data) => {
// Delete the event.
return this.calendarProvider.deleteEventOnline(data.id, data.repeat, siteId).then(() => {
result.updated = true;
result.deleted.push(eventId);
// Event sent, delete the offline data.
const promises = [];
promises.push(this.calendarOffline.unmarkDeleted(eventId, siteId));
promises.push(this.calendarOffline.deleteEvent(eventId, siteId).catch(() => {
// Ignore errors, maybe there was no edit data.
}));
return Promise.all(promises);
}).catch((error) => {
if (this.utils.isWebServiceError(error)) {
// The WebService has thrown an error, this means that the event cannot be created. Delete it.
result.updated = true;
const promises = [];
promises.push(this.calendarOffline.unmarkDeleted(eventId, siteId));
promises.push(this.calendarOffline.deleteEvent(eventId, siteId).catch(() => {
// Ignore errors, maybe there was no edit data.
}));
return Promise.all(promises).then(() => {
// Event deleted, add a warning.
result.warnings.push(this.translate.instant('core.warningofflinedatadeleted', {
component: this.translate.instant('addon.calendar.calendarevent'),
name: data.name,
error: this.textUtils.getErrorMessageFromError(error)
}));
});
}
// Local error, reject.
return Promise.reject(error);
});
}, () => {
// Not deleted. Now get the event data.
return this.calendarOffline.getEvent(eventId, siteId).then((event) => {
// Try to send the data.
const data = this.utils.clone(event); // Clone the object because it will be modified in the submit function.
data.description = {
text: data.description,
format: 1
};
return this.calendarProvider.submitEventOnline(eventId > 0 ? eventId : undefined, data, siteId).then((newEvent) => {
result.updated = true;
result.events.push(newEvent);
// Event sent, delete the offline data.
return this.calendarOffline.deleteEvent(event.id, siteId);
}).catch((error) => {
if (this.utils.isWebServiceError(error)) {
// The WebService has thrown an error, this means that the event cannot be created. Delete it.
result.updated = true;
return this.calendarOffline.deleteEvent(event.id, siteId).then(() => {
// Event deleted, add a warning.
result.warnings.push(this.translate.instant('core.warningofflinedatadeleted', {
component: this.translate.instant('addon.calendar.calendarevent'),
name: event.name,
error: this.textUtils.getErrorMessageFromError(error)
}));
});
}
// Local error, reject.
return Promise.reject(error);
});
});
});
}
}