forked from EVOgeek/Vmeda.Online
64 lines
2.3 KiB
TypeScript
64 lines
2.3 KiB
TypeScript
// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Pipe, PipeTransform } from '@angular/core';
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import { TranslateService } from '@ngx-translate/core';
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import { CoreLoggerProvider } from '@providers/logger';
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import * as moment from 'moment';
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/**
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* Filter to format a date.
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*/
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@Pipe({
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name: 'coreFormatDate',
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})
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export class CoreFormatDatePipe implements PipeTransform {
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protected logger;
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constructor(logger: CoreLoggerProvider, private translate: TranslateService) {
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this.logger = logger.getInstance('CoreDateDayOrTimePipe');
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}
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/**
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* Format a date.
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*
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* @param {string|number} timestamp Timestamp to format (in milliseconds). If not defined, use current time.
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* @param {string} format Format to use. It should be a string code to handle i18n (e.g. core.dftimedate). If the code
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* doesn't have a prefix, 'core' will be used by default. E.g. 'dftimedate' -> 'core.dftimedate'.
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* @return {string} Formatted date.
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*/
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transform(timestamp: string | number, format: string): string {
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timestamp = timestamp || Date.now();
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if (typeof timestamp == 'string') {
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// Convert the value to a number.
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const numberTimestamp = parseInt(timestamp, 10);
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if (isNaN(numberTimestamp)) {
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this.logger.error('Invalid value received', timestamp);
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return timestamp;
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}
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timestamp = numberTimestamp;
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}
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if (format.indexOf('df') == 0) {
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format = this.translate.instant('core.' + format);
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} else if (format.indexOf('.') > 0) {
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format = this.translate.instant(format);
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}
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return moment(timestamp).format(format);
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}
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}
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