D-Net

import { Injectable } from '@angular/core';

import { Http, Response, Headers, RequestOptions } from '@angular/http';

import { HttpClient } from '@angular/common/http';

import { HttpHeaders } from '@angular/common/http';

import { Observable } from 'rxjs';

import {COOKIE} from "../../login/utils/helper.class"

import { map } from "rxjs/operators";

@Injectable()

export class SubscribeService {

  constructor(private http:HttpClient) {

    }

     getCommunitySubscribers(pid:string, url:string){

       return this.http.get<any>(url+"/community/"+pid+"/subscribers");

                       //.map(res => <any> res.json());

     }

     isSubscribedToCommunity(pid:string, email:string, url:string){

       return this.http.get(url+"/community/"+pid+"/subscribers")

                       //.map(res =>  ((<any>res =="")?{}:<any> res.json()))

         .pipe(map(res => {

                         if(res['status'] && res['status'] != 200) {

                           return null;

                         }

                         if(res['subscribers'] && res['subscribers'] != null){

                           for(var i =0; i< res['subscribers'].length; i++ ){

                             if(res['subscribers'][i]!=null && res['subscribers'][i].email == email){

                               return true;

                             }

                           }

                         }

                         return false;

                       }));

     }

     subscribeToCommunity(pid:string, email:string, url:string){

       var subscriber = {"email":email};

       return this.http.post(url+"/community/"+pid+"/subscribers", JSON.stringify(subscriber), this.getAuthOptionsWithBody());

           //.map(res => <any> res.json());

     }

     unSubscribeToCommunity(pid:string, email:string, url:string){

       return this.http.post<any>(url+"/community/"+pid+"/subscribers/delete", JSON.stringify([email]), this.getAuthOptionsWithBody());

           //.map(res => <any> res.json());

     }

     getCommunitiesSubscribedTo(email:string, url:string){

      return this.http.get(url+"/subscriber/communities?email="+email);

                     //.map(res => <any> res.json());

     }

     /*

     public getAuthOptionsWithBody():RequestOptions{

     let headers = new Headers();

     headers.append('Content-Type', 'application/json');

     headers.append('X-XSRF-TOKEN',  COOKIE.getCookie(COOKIE.cookieName_id));

     let options = new RequestOptions({ headers: headers, withCredentials:true  });

       return options;

     }

    */

  public getAuthOptionsWithBody():any {

    const httpOptions = {

      headers: new HttpHeaders({

        'Content-Type': 'application/json',

        'X-XSRF-TOKEN': COOKIE.getCookie(COOKIE.cookieName_id)

      }), withCredentials: true

    };

  }

}