mirror of https://github.com/nextcloud/calendar
62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
/**
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* @copyright Copyright (c) 2019 Georg Ehrke
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*
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* @author Georg Ehrke <oc.list@georgehrke.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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import tzData from '../../timezones/zones.json'
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import { getTimezoneManager } from 'calendar-js'
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import logger from '../utils/logger.js'
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const timezoneManager = getTimezoneManager()
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let initialized = false
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/**
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* Gets the timezone-manager
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* initializes it if necessary
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*
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* @returns {TimezoneManager}
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*/
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export default function() {
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if (!initialized) {
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initialize()
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}
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return timezoneManager
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}
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/**
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* Initializes the timezone-manager with all timezones shipped by the calendar app
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*/
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function initialize() {
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logger.debug(`The calendar app is using version ${tzData.version} of the timezone database`)
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for (const tzid in tzData.zones) {
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if (Object.prototype.hasOwnProperty.call(tzData.zones, [tzid])) {
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const ics = [
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'BEGIN:VTIMEZONE',
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...tzData.zones[tzid].ics,
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'END:VTIMEZONE',
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].join('\r\n')
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timezoneManager.registerTimezoneFromICS(tzid, ics)
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}
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}
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initialized = true
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}
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