timeLimit.pipe.ts

import {Pipe, PipeTransform, NgZone, ChangeDetectorRef, OnDestroy} from "@angular/core";
import { LANG } from '../app/translate.component';

@Pipe({
	name:'timeLimit',
	pure:false
})
export class TimeLimitPipe implements PipeTransform, OnDestroy {
	private timer: number;
	lang: any = LANG;
	constructor(
		private changeDetectorRef: ChangeDetectorRef, 
		private ngZone: NgZone) {}
	transform(value:string, args: string = null) {

		this.removeTimer();
		let d = new Date(value);
		let dayNumber = ('0' + d.getDate()).slice(-2);
		const realMonth = d.getMonth()+1;
		let monthNumber = ('0' + realMonth).slice(-2);
		let hourNumber = ('0' + d.getHours()).slice(-2);
		let minuteNumber = ('0' + d.getMinutes()).slice(-2);
		let now = new Date();
		let month = [];
		month[0] = this.lang.januaryShort;
		month[1] = this.lang.februaryShort;
		month[2] = this.lang.marchShort;
		month[3] = this.lang.aprilShort;
		month[4] = this.lang.mayShort;
		month[5] = this.lang.juneShort;
		month[6] = this.lang.julyShort;
		month[7] = this.lang.augustShort;
		month[8] = this.lang.septemberShort;
		month[9] = this.lang.octoberShort;
		month[10] = this.lang.novemberShort;
		month[11] = this.lang.decemberShort;
		let seconds = Math.round(Math.abs((now.getTime() - d.getTime())/1000));
		let curentDayNumber = ('0' + now.getDate()).slice(-2);
		let timeToUpdate = (Number.isNaN(seconds)) ? 1000 : this.getSecondsUntilUpdate(seconds) *1000;
		this.timer = this.ngZone.runOutsideAngular(() => {
			if (typeof window !== 'undefined') {
				return window.setTimeout(() => {
					this.ngZone.run(() => this.changeDetectorRef.markForCheck());
				}, timeToUpdate);
			}
			return null;
		});
		let minutes = Math.round(Math.abs(seconds / 60));
		let hours = Math.round(Math.abs(minutes / 60));
		let days = Math.round(Math.abs(hours / 24));
		let months = Math.round(Math.abs(days/30.416));
		let years = Math.round(Math.abs(days/365));
		if(value == null) {
			return '<span>' + this.lang.undefined + '</span>';
		} else if(now > d) {
			
			if (args === 'badge') {
				if (hours <= 24 && dayNumber === curentDayNumber) {
					return this.getFormatedDate('', '<b>' + this.lang.outdated + ' ' + this.lang.fromRange.toLowerCase() + ' ' + hours + ' ' + this.lang.hours +' !</b>', 'warn', args);
				} else if (hours <= 24) {
					return this.getFormatedDate('', '<b>' + this.lang.outdated + ' ' + this.lang.fromRange.toLowerCase() + ' ' + hours + ' ' + this.lang.hours +' !</b>', 'warn', args);
				} else {
					return this.getFormatedDate('', '<b>' + this.lang.outdated + ' ' + this.lang.fromRange.toLowerCase() + ' ' + (days) + ' '+ this.lang.dayS +' !</b>', 'warn', args);
				}
			} else {
				return this.getFormatedDate('', '<b>' + this.lang.outdated + ' !</b>', 'warn', args);
			}	
		} else {
			if (Number.isNaN(seconds)){
				return '';