D-Net

/**

 * 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(): boolean {

    return this.cookieExists('cookieLawSeen');

  }

  storeCookie(): void {

    return this.setCookie('cookieLawSeen');

  }

  /**

   * 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+';';

    }

  }

}