// (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 { TranslateService } from '@ngx-translate/core'; import { CoreLoggerProvider } from '@providers/logger'; import * as moment from 'moment'; /** * Filter to format a date. */ @Pipe({ name: 'coreFormatDate', }) export class CoreFormatDatePipe implements PipeTransform { protected logger; constructor(logger: CoreLoggerProvider, private translate: TranslateService) { this.logger = logger.getInstance('CoreDateDayOrTimePipe'); } /** * Format a date. * * @param {string|number} timestamp Timestamp to format (in milliseconds). If not defined, use current time. * @param {string} format Format to use. It should be a string code to handle i18n (e.g. core.dftimedate). If the code * doesn't have a prefix, 'core' will be used by default. E.g. 'dftimedate' -> 'core.dftimedate'. * @return {string} Formatted date. */ transform(timestamp: string | number, format: string): string { timestamp = timestamp || Date.now(); 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; } if (format.indexOf('df') == 0) { format = this.translate.instant('core.' + format); } else if (format.indexOf('.') > 0) { format = this.translate.instant(format); } return moment(timestamp).format(format); } }