82 lines
1.7 KiB
TypeScript
82 lines
1.7 KiB
TypeScript
import { Injectable } from '@angular/core';
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@Injectable({
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providedIn: 'root',
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})
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export class DateUtilities {
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/**
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* add some days to a date, to compute intervals
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* @param days
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* @param date
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*/
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addDaysToDate(days: number, date: Date) {
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date = new Date(date.valueOf());
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date.setDate(date.getDate() + days);
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return date;
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}
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/**
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*
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* @param d1
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* @param d2
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* @param interval
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*/
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getDatesInRange(d1: Date, d2: Date, interval: number) {
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d1 = new Date(d1);
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d2 = new Date(d2);
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const dates = [];
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while (+d1 < +d2) {
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dates.push({
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literal: this.formateDate(d1),
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date_object: d1,
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});
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d1.setDate(d1.getDate() + interval);
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}
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return [...dates];
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}
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/**
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* get the number of days between two dates
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* @param d1
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* @param d2
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*/
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dayDiff(d1: Date, d2: Date): any {
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const div = 1000 * 3600 * 24;
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return Math.abs((d2.getTime() - d1.getTime()) / div).toFixed(0);
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}
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/**
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* format a date object to the date format used by the inputs of type date
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* YYYY-MM-DD
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* @param date
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*/
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formateDate(date) {
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return [
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date.getFullYear(),
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this.getDoubleDigits(date.getMonth() + 1),
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this.getDoubleDigits(date.getDate()),
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].join('-');
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}
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parseInputDateToDateObject(inputDateString: string) {
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const boom = inputDateString.split('-');
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const converted = new Date(boom['0'], boom['1'] - 1, boom['2']);
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console.log('converted', converted);
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return converted;
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}
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getDoubleDigits(str) {
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return ('00' + str).slice(-2);
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}
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countDays(startDateInterval: Date, endDateInterval: Date): number {
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// compute the number of days in the date interval
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if (endDateInterval && startDateInterval) {
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return this.dayDiff(endDateInterval, startDateInterval);
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}
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return 0;
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}
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}
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