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

   1 import { Injectable } from '@angular/core';
   2 import { Http, Headers, RequestOptions } 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_URL + '/api/v1/videos/';
  24
  25   videoCategories: Array<{ id: number, label: string }> = [];
  26   videoLicences: Array<{ id: number, label: string }> = [];
  27   videoLanguages: Array<{ id: number, label: string }> = [];
  28
  29   constructor(
  30     private authService: AuthService,
  31     private authHttp: AuthHttp,
  32     private http: Http,
  33     private restExtractor: RestExtractor,
  34     private restService: RestService
  35   ) {}
  36
  37   loadVideoCategories() {
  38     return this.http.get(VideoService.BASE_VIDEO_URL + 'categories')
  39                     .map(this.restExtractor.extractDataGet)
  40                     .subscribe(data => {
  41                       Object.keys(data).forEach(categoryKey => {
  42                         this.videoCategories.push({
  43                           id: parseInt(categoryKey),
  44                           label: data[categoryKey]
  45                         });
  46                       });
  47                     });
  48   }
  49
  50   loadVideoLicences() {
  51     return this.http.get(VideoService.BASE_VIDEO_URL + 'licences')
  52                     .map(this.restExtractor.extractDataGet)
  53                     .subscribe(data => {
  54                       Object.keys(data).forEach(licenceKey => {
  55                         this.videoLicences.push({
  56                           id: parseInt(licenceKey),
  57                           label: data[licenceKey]
  58                         });
  59                       });
  60                     });
  61   }
  62
  63   loadVideoLanguages() {
  64     return this.http.get(VideoService.BASE_VIDEO_URL + 'languages')
  65                     .map(this.restExtractor.extractDataGet)
  66                     .subscribe(data => {
  67                       Object.keys(data).forEach(languageKey => {
  68                         this.videoLanguages.push({
  69                           id: parseInt(languageKey),
  70                           label: data[languageKey]
  71                         });
  72                       });
  73                     });
  74   }
  75
  76   getVideo(id: string): Observable<Video> {
  77     return this.http.get(VideoService.BASE_VIDEO_URL + id)
  78                     .map(this.restExtractor.extractDataGet)
  79                     .map(video_hash => new Video(video_hash))
  80                     .catch((res) => this.restExtractor.handleError(res));
  81   }
  82
  83   updateVideo(video: Video) {
  84     const language = video.language ? video.language : null;
  85
  86     const body = {
  87       name: video.name,
  88       category: video.category,
  89       licence: video.licence,
  90       language,
  91       description: video.description,
  92       tags: video.tags
  93     };
  94
  95     const headers = new Headers({ 'Content-Type': 'application/json' });
  96     const options = new RequestOptions({ headers: headers });
  97
  98     return this.authHttp.put(`${VideoService.BASE_VIDEO_URL}/${video.id}`, body, options)
  99                         .map(this.restExtractor.extractDataBool)
 100                         .catch(this.restExtractor.handleError);
 101   }
 102
 103   getVideos(pagination: RestPagination, sort: SortField) {
 104     const params = this.restService.buildRestGetParams(pagination, sort);
 105
 106     return this.http.get(VideoService.BASE_VIDEO_URL, { search: params })
 107                     .map(res => res.json())
 108                     .map(this.extractVideos)
 109                     .catch((res) => this.restExtractor.handleError(res));
 110   }
 111
 112   removeVideo(id: string) {
 113     return this.authHttp.delete(VideoService.BASE_VIDEO_URL + id)
 114                         .map(this.restExtractor.extractDataBool)
 115                         .catch((res) => this.restExtractor.handleError(res));
 116   }
 117
 118   searchVideos(search: Search, pagination: RestPagination, sort: SortField) {
 119     const params = this.restService.buildRestGetParams(pagination, sort);
 120
 121     if (search.field) params.set('field', search.field);
 122
 123     return this.http.get(VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value), { search: params })
 124                     .map(this.restExtractor.extractDataList)
 125                     .map(this.extractVideos)
 126                     .catch((res) => this.restExtractor.handleError(res));
 127   }
 128
 129   reportVideo(id: string, reason: string) {
 130     const url = VideoService.BASE_VIDEO_URL + id + '/abuse';
 131     const body = {
 132       reason
 133     };
 134
 135     return this.authHttp.post(url, body)
 136                         .map(this.restExtractor.extractDataBool)
 137                         .catch((res) => this.restExtractor.handleError(res));
 138   }
 139
 140   setVideoLike(id: string) {
 141     return this.setVideoRate(id, 'like');
 142   }
 143
 144   setVideoDislike(id: string) {
 145     return this.setVideoRate(id, 'dislike');
 146   }
 147
 148   getUserVideoRating(id: string) {
 149     const url = UserService.BASE_USERS_URL + '/me/videos/' + id + '/rating';
 150
 151     return this.authHttp.get(url)
 152                         .map(this.restExtractor.extractDataGet)
 153                         .catch((res) => this.restExtractor.handleError(res));
 154   }
 155
 156   blacklistVideo(id: string) {
 157     return this.authHttp.post(VideoService.BASE_VIDEO_URL + id + '/blacklist', {})
 158                         .map(this.restExtractor.extractDataBool)
 159                         .catch((res) => this.restExtractor.handleError(res));
 160   }
 161
 162   private setVideoRate(id: string, rateType: RateType) {
 163     const url = VideoService.BASE_VIDEO_URL + id + '/rate';
 164     const body = {
 165       rating: rateType
 166     };
 167
 168     return this.authHttp.put(url, body)
 169                         .map(this.restExtractor.extractDataBool)
 170                         .catch((res) => this.restExtractor.handleError(res));
 171   }
 172
 173   private extractVideos(result: ResultList) {
 174     const videosJson = result.data;
 175     const totalVideos = result.total;
 176     const videos = [];
 177     for (const videoJson of videosJson) {
 178       videos.push(new Video(videoJson));
 179     }
 180
 181     return { videos, totalVideos };
 182   }
 183 }