calendar/src/utils/calendarObject.js

66 lines
2.1 KiB
JavaScript

/**
* @copyright Copyright (c) 2020 Georg Ehrke
*
* @author Georg Ehrke <oc.list@georgehrke.com>
*
* @license GNU AGPL version 3 or any later version
*
* 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 DateTimeValue from 'calendar-js/src/values/dateTimeValue.js'
/**
* Get all recurrence-items in given range
*
* @param {Object} calendarObject Calendar-object model
* @param {Date} start Begin of time-range
* @param {Date} end End of time-range
* @returns {Array}
*/
const getAllObjectsInTimeRange = (calendarObject, start, end) => {
const iterator = calendarObject.calendarComponent.getVObjectIterator()
const firstVObject = iterator.next().value
if (!firstVObject) {
return []
}
const s = DateTimeValue.fromJSDate(start, true)
const e = DateTimeValue.fromJSDate(end, true)
return firstVObject.recurrenceManager.getAllOccurrencesBetween(s, e)
}
/**
* Get recurrence-item at exactly a given recurrence-Id
*
* @param {Object} calendarObject Calendar-object model
* @param {Date} recurrenceId RecurrenceId to retrieve
* @returns {AbstractRecurringComponent|null}
*/
const getObjectAtRecurrenceId = (calendarObject, recurrenceId) => {
const iterator = calendarObject.calendarComponent.getVObjectIterator()
const firstVObject = iterator.next().value
if (!firstVObject) {
return null
}
const d = DateTimeValue.fromJSDate(recurrenceId, true)
return firstVObject.recurrenceManager.getOccurrenceAtExactly(d)
}
export {
getAllObjectsInTimeRange,
getObjectAtRecurrenceId,
}