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   videoCategories: Array<{ id: number, label: string }> = [];
  26   videoLicences: Array<{ id: number, label: string }> = [];
  27
  28   constructor(
  29     private authService: AuthService,
  30     private authHttp: AuthHttp,
  31     private http: Http,
  32     private restExtractor: RestExtractor,
  33     private restService: RestService
  34   ) {}
  35
  36   loadVideoCategories() {
  37     return this.http.get(VideoService.BASE_VIDEO_URL + 'categories')
  38                     .map(this.restExtractor.extractDataGet)
  39                     .subscribe(data => {
  40                       Object.keys(data).forEach(categoryKey => {
  41                         this.videoCategories.push({
  42                           id: parseInt(categoryKey),
  43                           label: data[categoryKey]
  44                         });
  45                       });
  46                     });
  47   }
  48
  49   loadVideoLicences() {
  50     return this.http.get(VideoService.BASE_VIDEO_URL + 'licences')
  51                     .map(this.restExtractor.extractDataGet)
  52                     .subscribe(data => {
  53                       Object.keys(data).forEach(licenceKey => {
  54                         this.videoLicences.push({
  55                           id: parseInt(licenceKey),
  56                           label: data[licenceKey]
  57                         });
  58                       });
  59                     });
  60   }
  61
  62   getVideo(id: string): Observable<Video> {
  63     return this.http.get(VideoService.BASE_VIDEO_URL + id)
  64                     .map(this.restExtractor.extractDataGet)
  65                     .map(video_hash => new Video(video_hash))
  66                     .catch((res) => this.restExtractor.handleError(res));
  67   }
  68
  69   getVideos(pagination: RestPagination, sort: SortField) {
  70     const params = this.restService.buildRestGetParams(pagination, sort);
  71
  72     return this.http.get(VideoService.BASE_VIDEO_URL, { search: params })
  73                     .map(res => res.json())
  74                     .map(this.extractVideos)
  75                     .catch((res) => this.restExtractor.handleError(res));
  76   }
  77
  78   removeVideo(id: string) {
  79     return this.authHttp.delete(VideoService.BASE_VIDEO_URL + id)
  80                         .map(this.restExtractor.extractDataBool)
  81                         .catch((res) => this.restExtractor.handleError(res));
  82   }
  83
  84   searchVideos(search: Search, pagination: RestPagination, sort: SortField) {
  85     const params = this.restService.buildRestGetParams(pagination, sort);
  86
  87     if (search.field) params.set('field', search.field);
  88
  89     return this.http.get(VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value), { search: params })
  90                     .map(this.restExtractor.extractDataList)
  91                     .map(this.extractVideos)
  92                     .catch((res) => this.restExtractor.handleError(res));
  93   }
  94
  95   reportVideo(id: string, reason: string) {
  96     const url = VideoService.BASE_VIDEO_URL + id + '/abuse';
  97     const body = {
  98       reason
  99     };
 100
 101     return this.authHttp.post(url, body)
 102                         .map(this.restExtractor.extractDataBool)
 103                         .catch((res) => this.restExtractor.handleError(res));
 104   }
 105
 106   setVideoLike(id: string) {
 107     return this.setVideoRate(id, 'like');
 108   }
 109
 110   setVideoDislike(id: string) {
 111     return this.setVideoRate(id, 'dislike');
 112   }
 113
 114   getUserVideoRating(id: string) {
 115     const url = UserService.BASE_USERS_URL + '/me/videos/' + id + '/rating';
 116
 117     return this.authHttp.get(url)
 118                         .map(this.restExtractor.extractDataGet)
 119                         .catch((res) => this.restExtractor.handleError(res));
 120   }
 121
 122   private setVideoRate(id: string, rateType: RateType) {
 123     const url = VideoService.BASE_VIDEO_URL + id + '/rate';
 124     const body = {
 125       rating: rateType
 126     };
 127
 128     return this.authHttp.put(url, body)
 129                         .map(this.restExtractor.extractDataBool)
 130                         .catch((res) => this.restExtractor.handleError(res));
 131   }
 132
 133   private extractVideos(result: ResultList) {
 134     const videosJson = result.data;
 135     const totalVideos = result.total;
 136     const videos = [];
 137     for (const videoJson of videosJson) {
 138       videos.push(new Video(videoJson));
 139     }
 140
 141     return { videos, totalVideos };
 142   }
 143 }