THANASOFT-HFC/calendar/src/fullcalendar/timezones/vtimezoneNamedTimezoneImpl.js
2024-12-16 17:24:37 +03:00

79 lines
2.7 KiB
JavaScript

/**
* @copyright Copyright (c) 2019 Georg Ehrke
*
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Richard Steinmetz <richard@steinmetz.cloud>
*
* @license AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import { createPlugin } from '@fullcalendar/core'
import { NamedTimeZoneImpl } from '@fullcalendar/core/internal'
import getTimezoneManager from '../../services/timezoneDataProviderService.js'
import logger from '../../utils/logger.js'
/**
* Our own FullCalendar Timezone implementation based on the VTimezones we ship
*/
class VTimezoneNamedTimezone extends NamedTimeZoneImpl {
/**
* gets UTC offset for given date of this timezone
*
* @param {number[]} date an array that mirrors the parameters from new Date()
* @return {number} offset in minutes
*/
offsetForArray([year, month, day, hour, minute, second]) {
let timezone = getTimezoneManager().getTimezoneForId(this.timeZoneName)
if (!timezone) {
timezone = getTimezoneManager().getTimezoneForId('UTC')
logger.error(`VTimezoneNamedTimezoneImpl: Timezone ${this.timeZoneName} not found, falling back to UTC.`)
}
// calendar-js works with natural month numbers,
// not the javascript 0-based ones
month += 1
return timezone.offsetForArray(year, month, day, hour, minute, second) / 60
}
/**
* returns parameters for Date object in this timezone based on given timestamp
*
* @param {number} ms Timestamp in milliseconds
* @return {number[]}
*/
timestampToArray(ms) {
let timezone = getTimezoneManager().getTimezoneForId(this.timeZoneName)
if (!timezone) {
timezone = getTimezoneManager().getTimezoneForId('UTC')
logger.error(`VTimezoneNamedTimezoneImpl: Timezone ${this.timeZoneName} not found, falling back to UTC.`)
}
const timestampArray = timezone.timestampToArray(ms)
// calendar-js works with natural month numbers,
// not the javascript 0-based ones
timestampArray[1]--
return timestampArray
}
}
export default createPlugin({
name: '@nextcloud/v-timezone-named-timezone-plugin',
namedTimeZonedImpl: VTimezoneNamedTimezone,
})