canvas-lms/public/javascripts/quiz_timing.js

53 lines
1.8 KiB
JavaScript

/*
* Copyright (C) 2011 - present Instructure, Inc.
*
* This file is part of Canvas.
*
* Canvas 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, version 3 of the License.
*
* Canvas 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 I18n from 'i18n!quizzes.timing'
import $ from 'jquery'
import './vendor/date' /* Date.parse */
var timing = {
initialTime: new Date(),
initTimes() {
if (timing.timesReady) {
return timing.clientServerDiff
}
const serverNow = Date.parse($('.now').text()) || timing.initialTime || new Date()
const clientNow = timing.initialTime || new Date()
timing.clientServerDiff = serverNow.getTime() - clientNow.getTime()
timing.timesReady = true
},
setReferenceDate(started_at, end_at, now) {
if (!timing.timesReady) {
timing.initTimes()
}
const result = {}
result.referenceDate = Date.parse(end_at)
result.isDeadline = true
$('.time_header').text(I18n.beforeLabel(I18n.t('labels.time_remaining', 'Time Remaining')))
if (!result.referenceDate) {
result.isDeadline = false
$('.time_header').text(I18n.beforeLabel(I18n.t('labels.time_elapsed', 'Time Elapsed')))
result.referenceDate = Date.parse(started_at)
}
result.clientServerDiff = timing.clientServerDiff
return result
}
}
export default timing