client/src/app/admin/friends/shared/friend.service.ts

   1 import { Injectable } from '@angular/core';
   2 import { Observable } from 'rxjs/Observable';
   3 import 'rxjs/add/operator/catch';
   4 import 'rxjs/add/operator/map';
   5
   6 import { Friend } from './friend.model';
   7 import { AuthHttp, RestExtractor, ResultList } from '../../../shared';
   8
   9 @Injectable()
  10 export class FriendService {
  11   private static BASE_FRIEND_URL: string = '/api/v1/pods/';
  12
  13   constructor (
  14     private authHttp: AuthHttp,
  15     private restExtractor: RestExtractor
  16   ) {}
  17
  18   getFriends() {
  19     return this.authHttp.get(FriendService.BASE_FRIEND_URL)
  20                         .map(this.restExtractor.extractDataList)
  21                         .map(this.extractFriends)
  22                         .catch((res) => this.restExtractor.handleError(res));
  23   }
  24
  25   makeFriends(notEmptyHosts) {
  26     const body = {
  27       hosts: notEmptyHosts
  28     };
  29
  30     return this.authHttp.post(FriendService.BASE_FRIEND_URL + 'makefriends', body)
  31                         .map(this.restExtractor.extractDataBool)
  32                         .catch((res) => this.restExtractor.handleError(res));
  33   }
  34
  35   quitFriends() {
  36     return this.authHttp.get(FriendService.BASE_FRIEND_URL + 'quitfriends')
  37                         .map(res => res.status)
  38                         .catch((res) => this.restExtractor.handleError(res));
  39   }
  40
  41   private extractFriends(result: ResultList) {
  42     const friends: Friend[] = result.data;
  43     const totalFriends = result.total;
  44
  45     return { friends, totalFriends };
  46   }
  47 }