Vmeda.Online/src/pipes/seconds-to-hms.ts

69 lines
2.4 KiB
TypeScript

// (C) Copyright 2015 Martin Dougiamas
//
// 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.
import { Pipe, PipeTransform } from '@angular/core';
import { CoreLoggerProvider } from '@providers/logger';
import { CoreTextUtilsProvider } from '@providers/utils/text';
import { CoreConstants } from '@core/constants';
/**
* Pipe to convert a number of seconds to Hours:Minutes:Seconds.
*
* This converts a number of seconds to Hours:Minutes:Seconds. If the number of seconds is negative, returns 00:00:00.
*/
@Pipe({
name: 'coreSecondsToHMS',
})
export class CoreSecondsToHMSPipe implements PipeTransform {
protected logger;
constructor(logger: CoreLoggerProvider, private textUtils: CoreTextUtilsProvider) {
this.logger = logger.getInstance('CoreSecondsToHMSPipe');
}
/**
* Convert a number of seconds to Hours:Minutes:Seconds.
*
* @param {number|string} seconds Number of seconds.
* @return {string} Formatted seconds.
*/
transform(seconds: string | number): string {
let hours,
minutes;
if (!seconds || seconds < 0) {
seconds = 0;
} else if (typeof seconds == 'string') {
// Convert the value to a number.
const numberSeconds = parseInt(seconds, 10);
if (isNaN(numberSeconds)) {
this.logger.error('Invalid value received', seconds);
return seconds;
}
seconds = numberSeconds;
}
// Don't allow decimals.
seconds = Math.floor(seconds);
hours = Math.floor(seconds / CoreConstants.SECONDS_HOUR);
seconds -= hours * CoreConstants.SECONDS_HOUR;
minutes = Math.floor(seconds / CoreConstants.SECONDS_MINUTE);
seconds -= minutes * CoreConstants.SECONDS_MINUTE;
return this.textUtils.twoDigits(hours) + ':' + this.textUtils.twoDigits(minutes) + ':' + this.textUtils.twoDigits(seconds);
}
}