client/src/app/videos/shared/video.service.ts

   1 import { Injectable } from '@angular/core';
   2 import { Http } from '@angular/http';
   3 import { Observable } from 'rxjs/Observable';
   4 import 'rxjs/add/operator/catch';
   5 import 'rxjs/add/operator/map';
   6
   7 import { Search } from '../../shared';
   8 import { SortField } from './sort-field.type';
   9 import { RateType } from './rate-type.type';
  10 import { AuthService } from '../../core';
  11 import {
  12   AuthHttp,
  13   RestExtractor,
  14   RestPagination,
  15   RestService,
  16   ResultList,
  17   UserService
  18 } from '../../shared';
  19 import { Video } from './video.model';
  20
  21 @Injectable()
  22 export class VideoService {
  23   private static BASE_VIDEO_URL = '/api/v1/videos/';
  24
  25   constructor(
  26     private authService: AuthService,
  27     private authHttp: AuthHttp,
  28     private http: Http,
  29     private restExtractor: RestExtractor,
  30     private restService: RestService
  31   ) {}
  32
  33   getVideo(id: string): Observable<Video> {
  34     return this.http.get(VideoService.BASE_VIDEO_URL + id)
  35                     .map(this.restExtractor.extractDataGet)
  36                     .map(video_hash => new Video(video_hash))
  37                     .catch((res) => this.restExtractor.handleError(res));
  38   }
  39
  40   getVideos(pagination: RestPagination, sort: SortField) {
  41     const params = this.restService.buildRestGetParams(pagination, sort);
  42
  43     return this.http.get(VideoService.BASE_VIDEO_URL, { search: params })
  44                     .map(res => res.json())
  45                     .map(this.extractVideos)
  46                     .catch((res) => this.restExtractor.handleError(res));
  47   }
  48
  49   removeVideo(id: string) {
  50     return this.authHttp.delete(VideoService.BASE_VIDEO_URL + id)
  51                         .map(this.restExtractor.extractDataBool)
  52                         .catch((res) => this.restExtractor.handleError(res));
  53   }
  54
  55   searchVideos(search: Search, pagination: RestPagination, sort: SortField) {
  56     const params = this.restService.buildRestGetParams(pagination, sort);
  57
  58     if (search.field) params.set('field', search.field);
  59
  60     return this.http.get(VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value), { search: params })
  61                     .map(this.restExtractor.extractDataList)
  62                     .map(this.extractVideos)
  63                     .catch((res) => this.restExtractor.handleError(res));
  64   }
  65
  66   reportVideo(id: string, reason: string) {
  67     const url = VideoService.BASE_VIDEO_URL + id + '/abuse';
  68     const body = {
  69       reason
  70     };
  71
  72     return this.authHttp.post(url, body)
  73                         .map(this.restExtractor.extractDataBool)
  74                         .catch((res) => this.restExtractor.handleError(res));
  75   }
  76
  77   setVideoLike(id: string) {
  78     return this.setVideoRate(id, 'like');
  79   }
  80
  81   setVideoDislike(id: string) {
  82     return this.setVideoRate(id, 'dislike');
  83   }
  84
  85   getUserVideoRating(id: string) {
  86     const url = UserService.BASE_USERS_URL + '/me/videos/' + id + '/rating';
  87
  88     return this.authHttp.get(url)
  89                         .map(this.restExtractor.extractDataGet)
  90                         .catch((res) => this.restExtractor.handleError(res));
  91   }
  92
  93   private setVideoRate(id: string, rateType: RateType) {
  94     const url = VideoService.BASE_VIDEO_URL + id + '/rate';
  95     const body = {
  96       rating: rateType
  97     };
  98
  99     return this.authHttp.put(url, body)
 100                         .map(this.restExtractor.extractDataBool)
 101                         .catch((res) => this.restExtractor.handleError(res));
 102   }
 103
 104   private extractVideos(result: ResultList) {
 105     const videosJson = result.data;
 106     const totalVideos = result.total;
 107     const videos = [];
 108     for (const videoJson of videosJson) {
 109       videos.push(new Video(videoJson));
 110     }
 111
 112     return { videos, totalVideos };
 113   }
 114 }