84 lines
3.1 KiB
JavaScript
84 lines
3.1 KiB
JavaScript
// vim: set et sw=2 ts=2:
|
|
//
|
|
// This file is part of Moonfire NVR, a security camera digital video recorder.
|
|
// Copyright (C) 2018 Dolf Starreveld <dolf@starreveld.com>
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// In addition, as a special exception, the copyright holders give
|
|
// permission to link the code of portions of this program with the
|
|
// OpenSSL library under certain conditions as described in each
|
|
// individual source file, and distribute linked combinations including
|
|
// the two.
|
|
//
|
|
// You must obey the GNU General Public License in all respects for all
|
|
// of the code used other than OpenSSL. If you modify file(s) with this
|
|
// exception, you may extend this exception to your version of the
|
|
// file(s), but you are not obligated to do so. If you do not wish to do
|
|
// so, delete this exception statement from your version. If you delete
|
|
// this exception statement from all source files in the program, then
|
|
// also delete it here.
|
|
//
|
|
// 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import TimeFormatter from './TimeFormatter';
|
|
|
|
|
|
export const internalTimeFormat = 'YYYY-MM-DDTHH:mm:ss:FFFFFZ';
|
|
|
|
/**
|
|
* Specialized class similar to TimeFormatter but forcing a specific time format
|
|
* for internal usage purposes.
|
|
*/
|
|
export default class TimeStamp90kFormatter {
|
|
/**
|
|
* Construct from just a timezone specification.
|
|
*
|
|
* @param {String} tz Timezone
|
|
*/
|
|
constructor(tz) {
|
|
this._formatter = new TimeFormatter(internalTimeFormat, tz);
|
|
}
|
|
|
|
/**
|
|
* Format a timestamp in 90k units using internal format.
|
|
*
|
|
* @param {Number} ts90k timestamp in 90,000ths of a second resolution
|
|
* @return {String} Formatted timestamp
|
|
*/
|
|
formatTimeStamp90k(ts90k) {
|
|
return this._formatter.formatTimeStamp90k(ts90k);
|
|
}
|
|
|
|
/**
|
|
* Given two timestamp return formatted versions of both, where the second
|
|
* one may have been shortened if it falls on the same date as the first one.
|
|
*
|
|
* @param {Number} ts1 First timestamp in 90k units
|
|
* @param {Number} ts2 Secodn timestamp in 90k units
|
|
* @return {Array} Array with two elements: [ ts1Formatted, ts2Formatted ]
|
|
*/
|
|
formatSameDayShortened(ts1, ts2) {
|
|
let ts1Formatted = this.formatTimeStamp90k(ts1);
|
|
let ts2Formatted = this.formatTimeStamp90k(ts2);
|
|
let timePos = this._formatter.formatStr.indexOf('T');
|
|
if (timePos != -1) {
|
|
const datePortion = ts1Formatted.substr(0, timePos);
|
|
ts1Formatted = datePortion + ' ' + ts1Formatted.substr(timePos + 1);
|
|
if (ts2Formatted.startsWith(datePortion)) {
|
|
ts2Formatted = ts2Formatted.substr(timePos + 1);
|
|
}
|
|
}
|
|
return [ts1Formatted, ts2Formatted];
|
|
}
|
|
}
|