forked from EVOgeek/Vmeda.Online
82 lines
2.8 KiB
TypeScript
82 lines
2.8 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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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 { CoreSites } from '@services/sites';
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import { makeSingleton } from '@singletons';
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import { PREFERENCES_TABLE_NAME, CoreUserPreferenceDBRecord } from './database/user';
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/**
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* Service to handle offline user preferences.
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*/
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@Injectable({ providedIn: 'root' })
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export class CoreUserOfflineProvider {
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/**
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* Get preferences that were changed offline.
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*
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* @param siteId Site ID. If not defined, current site.
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* @return Promise resolved with list of preferences.
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*/
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async getChangedPreferences(siteId?: string): Promise<CoreUserPreferenceDBRecord[]> {
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const site = await CoreSites.instance.getSite(siteId);
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return site.getDb().getRecordsSelect(PREFERENCES_TABLE_NAME, 'value != onlineValue');
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}
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/**
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* Get an offline preference.
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*
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* @param name Name of the preference.
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* @param siteId Site ID. If not defined, current site.
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* @return Promise resolved with the preference, rejected if not found.
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*/
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async getPreference(name: string, siteId?: string): Promise<CoreUserPreferenceDBRecord> {
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const site = await CoreSites.instance.getSite(siteId);
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return site.getDb().getRecord(PREFERENCES_TABLE_NAME, { name });
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}
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/**
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* Set an offline preference.
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*
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* @param name Name of the preference.
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* @param value Value of the preference.
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* @param onlineValue Online value of the preference. If undefined, preserve previously stored value.
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* @param siteId Site ID. If not defined, current site.
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* @return Promise resolved when done.
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*/
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async setPreference(name: string, value: string, onlineValue?: string, siteId?: string): Promise<void> {
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const site = await CoreSites.instance.getSite(siteId);
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if (typeof onlineValue == 'undefined') {
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const preference = await this.getPreference(name, site.id);
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onlineValue = preference.onlinevalue;
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}
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const record: CoreUserPreferenceDBRecord = {
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name,
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value,
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onlinevalue: onlineValue,
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};
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await site.getDb().insertRecord(PREFERENCES_TABLE_NAME, record);
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}
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}
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export class CoreUserOffline extends makeSingleton(CoreUserOfflineProvider) {}
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