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/**
* @license
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function() {
'use strict';
const Duration = {
HOUR: 1000 * 60 * 60,
DAY: 1000 * 60 * 60 * 24,
};
const TimeFormats = {
TIME_12: 'h:mm A', // 2:14 PM
TIME_12_WITH_SEC: 'h:mm:ss A', // 2:14:00 PM
TIME_24: 'HH:mm', // 14:14
TIME_24_WITH_SEC: 'HH:mm:ss', // 14:14:00
MONTH_DAY: 'MMM DD', // Aug 29
MONTH_DAY_YEAR: 'MMM DD, YYYY', // Aug 29, 1997
};
Polymer({
is: 'gr-date-formatter',
properties: {
dateStr: {
type: String,
value: null,
notify: true,
},
showDateAndTime: {
type: Boolean,
value: false,
},
/**
* When true, the detailed date appears in a GR-TOOLTIP rather than in the
* native browser tooltip.
*/
hasTooltip: Boolean,
/**
* The title to be used as the native tooltip or by the tooltip behavior.
*/
title: {
type: String,
reflectToAttribute: true,
computed: '_computeFullDateStr(dateStr, _timeFormat)',
},
_timeFormat: String, // No default value to prevent flickering.
_relative: Boolean, // No default value to prevent flickering.
},
behaviors: [
Gerrit.TooltipBehavior,
],
attached() {
this._loadPreferences();
},
_getUtcOffsetString() {
return ' UTC' + moment().format('Z');
},
_loadPreferences() {
return this._getLoggedIn().then(loggedIn => {
if (!loggedIn) {
this._timeFormat = TimeFormats.TIME_24;
this._relative = false;
return;
}
return Promise.all([
this._loadTimeFormat(),
this._loadRelative(),
]);
});
},
_loadTimeFormat() {
return this._getPreferences().then(preferences => {
const timeFormat = preferences && preferences.time_format;
switch (timeFormat) {
case 'HHMM_12':
this._timeFormat = TimeFormats.TIME_12;
break;
case 'HHMM_24':
this._timeFormat = TimeFormats.TIME_24;
break;
default:
throw Error('Invalid time format: ' + timeFormat);
}
});
},
_loadRelative() {
return this._getPreferences().then(prefs => {
// prefs.relative_date_in_change_table is not set when false.
this._relative = !!(prefs && prefs.relative_date_in_change_table);
});
},
_getLoggedIn() {
return this.$.restAPI.getLoggedIn();
},
_getPreferences() {
return this.$.restAPI.getPreferences();
},
/**
* Return true if date is within 24 hours and on the same day.
*/
_isWithinDay(now, date) {
const diff = -date.diff(now);
return diff < Duration.DAY && date.day() === now.getDay();
},
/**
* Returns true if date is from one to six months.
*/
_isWithinHalfYear(now, date) {
const diff = -date.diff(now);
return (date.day() !== now.getDay() || diff >= Duration.DAY) &&
diff < 180 * Duration.DAY;
},
_computeDateStr(dateStr, timeFormat, relative, showDateAndTime) {
if (!dateStr) { return ''; }
const date = moment(util.parseDate(dateStr));
if (!date.isValid()) { return ''; }
if (relative) {
const dateFromNow = date.fromNow();
if (dateFromNow === 'a few seconds ago') {
return 'just now';
} else {
return dateFromNow;
}
}
const now = new Date();
let format = TimeFormats.MONTH_DAY_YEAR;
if (this._isWithinDay(now, date)) {
format = timeFormat;
} else {
if (this._isWithinHalfYear(now, date)) {
format = TimeFormats.MONTH_DAY;
}
if (this.showDateAndTime) {
format = `${format} ${timeFormat}`;
}
}
return date.format(format);
},
_timeToSecondsFormat(timeFormat) {
return timeFormat === TimeFormats.TIME_12 ?
TimeFormats.TIME_12_WITH_SEC :
TimeFormats.TIME_24_WITH_SEC;
},
_computeFullDateStr(dateStr, timeFormat) {
if (!dateStr) { return ''; }
const date = moment(util.parseDate(dateStr));
if (!date.isValid()) { return ''; }
let format = TimeFormats.MONTH_DAY_YEAR + ', ';
format += this._timeToSecondsFormat(timeFormat);
return date.format(format) + this._getUtcOffsetString();
},
});
})();
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