openaire-library/sharedComponents/cookie-law/cookie-law.service.ts

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/**
* angular2-cookie-law
*
* Copyright 2016-2017, @andreasonny83, All rights reserved.
*
* @author: @andreasonny83 <andreasonny83@gmail.com>
*/
import { Injectable } from '@angular/core';
@Injectable()
export class CookieLawService {
seen(cookieName): boolean {
return this.cookieExists(cookieName);
}
storeCookie(cookieName): void {
return this.setCookie('cookieName');
}
/**
* try to read a saved cookie
*
* @param {string} name [the cookie name]
*
* @return {string} [the cookie's value]
*/
private cookieExists(name: string): boolean {
if (typeof document !== 'undefined') {
let ca: Array<string> = document.cookie.split(';');
let caLen: number = ca.length;
let cookieName = name + '=';
let c: string;
for (let i: number = 0; i < caLen; i += 1) {
c = ca[i].replace(/^\s\+/g, '');
if (c.indexOf(cookieName) !== -1) {
return true;
}
}
}
return false;
}
/**
* store a new cookie in the browser
*
* @param {string} name [the name for the cookie]
*/
private setCookie(name: string): void {
if (typeof document !== 'undefined') {
let d:Date = new Date();
d.setTime(d.getTime() + 3*30 * 24 * 60 * 60 * 1000); // in 3 months
let expires:string = `expires=${d.toUTCString()}`;
document.cookie = encodeURIComponent(name) + '=true; path=/; expires='+expires+';';
}
}
}