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/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 body = {
  85       name: video.name,
  86       category: video.category,
  87       licence: video.licence,
  88       language: video.language,
  89       description: video.description,
  90       tags: video.tags
  91     };
  92     const headers = new Headers({ 'Content-Type': 'application/json' });
  93     const options = new RequestOptions({ headers: headers });
  94
  95     return this.authHttp.put(`${VideoService.BASE_VIDEO_URL}/${video.id}`, body, options)
  96                         .map(this.restExtractor.extractDataBool)
  97                         .catch(this.restExtractor.handleError);
  98   }
  99
 100   getVideos(pagination: RestPagination, sort: SortField) {
 101     const params = this.restService.buildRestGetParams(pagination, sort);
 102
 103     return this.http.get(VideoService.BASE_VIDEO_URL, { search: params })
 104                     .map(res => res.json())
 105                     .map(this.extractVideos)
 106                     .catch((res) => this.restExtractor.handleError(res));
 107   }
 108
 109   removeVideo(id: string) {
 110     return this.authHttp.delete(VideoService.BASE_VIDEO_URL + id)
 111                         .map(this.restExtractor.extractDataBool)
 112                         .catch((res) => this.restExtractor.handleError(res));
 113   }
 114
 115   searchVideos(search: Search, pagination: RestPagination, sort: SortField) {
 116     const params = this.restService.buildRestGetParams(pagination, sort);
 117
 118     if (search.field) params.set('field', search.field);
 119
 120     return this.http.get(VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value), { search: params })
 121                     .map(this.restExtractor.extractDataList)
 122                     .map(this.extractVideos)
 123                     .catch((res) => this.restExtractor.handleError(res));
 124   }
 125
 126   reportVideo(id: string, reason: string) {
 127     const url = VideoService.BASE_VIDEO_URL + id + '/abuse';
 128     const body = {
 129       reason
 130     };
 131
 132     return this.authHttp.post(url, body)
 133                         .map(this.restExtractor.extractDataBool)
 134                         .catch((res) => this.restExtractor.handleError(res));
 135   }
 136
 137   setVideoLike(id: string) {
 138     return this.setVideoRate(id, 'like');
 139   }
 140
 141   setVideoDislike(id: string) {
 142     return this.setVideoRate(id, 'dislike');
 143   }
 144
 145   getUserVideoRating(id: string) {
 146     const url = UserService.BASE_USERS_URL + '/me/videos/' + id + '/rating';
 147
 148     return this.authHttp.get(url)
 149                         .map(this.restExtractor.extractDataGet)
 150                         .catch((res) => this.restExtractor.handleError(res));
 151   }
 152
 153   private setVideoRate(id: string, rateType: RateType) {
 154     const url = VideoService.BASE_VIDEO_URL + id + '/rate';
 155     const body = {
 156       rating: rateType
 157     };
 158
 159     return this.authHttp.put(url, body)
 160                         .map(this.restExtractor.extractDataBool)
 161                         .catch((res) => this.restExtractor.handleError(res));
 162   }
 163
 164   private extractVideos(result: ResultList) {
 165     const videosJson = result.data;
 166     const totalVideos = result.total;
 167     const videos = [];
 168     for (const videoJson of videosJson) {
 169       videos.push(new Video(videoJson));
 170     }
 171
 172     return { videos, totalVideos };
 173   }
 174 }