// (C) Copyright 2015 Moodle Pty Ltd. // // 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 { Translate } from '@singletons'; import { CoreLogger } from '@singletons/logger'; import moment from 'moment-timezone'; /** * Pipe to turn a UNIX timestamp to "time ago". */ @Pipe({ name: 'coreTimeAgo', }) export class CoreTimeAgoPipe implements PipeTransform { private logger: CoreLogger; constructor() { this.logger = CoreLogger.getInstance('CoreTimeAgoPipe'); } /** * Turn a UNIX timestamp to "time ago". * * @param timestamp The UNIX timestamp (without milliseconds). * @return Formatted time. */ transform(timestamp: string | number): string { if (typeof timestamp == 'string') { // Convert the value to a number. const numberTimestamp = parseInt(timestamp, 10); if (isNaN(numberTimestamp)) { this.logger.error('Invalid value received', timestamp); return timestamp; } timestamp = numberTimestamp; } return Translate.instant('core.ago', { $a: moment(timestamp * 1000).fromNow(true) }); } }