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

   1 import { Injectable } from '@angular/core'
   2 import { Observable } from 'rxjs/Observable'
   3 import { HttpClient, HttpParams, HttpRequest } from '@angular/common/http'
   4 import 'rxjs/add/operator/catch'
   5 import 'rxjs/add/operator/map'
   6
   7 import { SortField } from './sort-field.type'
   8 import {
   9   RestExtractor,
  10   RestService,
  11   UserService,
  12   Search
  13 } from '../../shared'
  14 import { Video } from './video.model'
  15 import { VideoDetails } from './video-details.model'
  16 import { VideoEdit } from './video-edit.model'
  17 import { VideoPagination } from './video-pagination.model'
  18 import {
  19   UserVideoRate,
  20   VideoRateType,
  21   VideoUpdate,
  22   UserVideoRateUpdate,
  23   Video as VideoServerModel,
  24   VideoDetails as VideoDetailsServerModel,
  25   ResultList
  26 } from '../../../../../shared'
  27
  28 @Injectable()
  29 export class VideoService {
  30   private static BASE_VIDEO_URL = API_URL + '/api/v1/videos/'
  31
  32   constructor (
  33     private authHttp: HttpClient,
  34     private restExtractor: RestExtractor,
  35     private restService: RestService
  36   ) {}
  37
  38   getVideo (uuid: string): Observable<VideoDetails> {
  39     return this.authHttp.get<VideoDetailsServerModel>(VideoService.BASE_VIDEO_URL + uuid)
  40                         .map(videoHash => new VideoDetails(videoHash))
  41                         .catch((res) => this.restExtractor.handleError(res))
  42   }
  43
  44   viewVideo (uuid: string): Observable<VideoDetails> {
  45     return this.authHttp.post(VideoService.BASE_VIDEO_URL + uuid + '/views', {})
  46       .map(this.restExtractor.extractDataBool)
  47       .catch(this.restExtractor.handleError)
  48   }
  49
  50   updateVideo (video: VideoEdit) {
  51     const language = video.language ? video.language : null
  52
  53     const body: VideoUpdate = {
  54       name: video.name,
  55       category: video.category,
  56       licence: video.licence,
  57       language,
  58       description: video.description,
  59       privacy: video.privacy,
  60       tags: video.tags,
  61       nsfw: video.nsfw
  62     }
  63
  64     return this.authHttp.put(VideoService.BASE_VIDEO_URL + video.id, body)
  65                         .map(this.restExtractor.extractDataBool)
  66                         .catch(this.restExtractor.handleError)
  67   }
  68
  69   uploadVideo (video: FormData) {
  70     const req = new HttpRequest('POST', VideoService.BASE_VIDEO_URL + 'upload', video, { reportProgress: true })
  71
  72     return this.authHttp
  73       .request(req)
  74       .catch(this.restExtractor.handleError)
  75   }
  76
  77   getMyVideos (videoPagination: VideoPagination, sort: SortField): Observable<{ videos: Video[], totalVideos: number}> {
  78     const pagination = this.videoPaginationToRestPagination(videoPagination)
  79
  80     let params = new HttpParams()
  81     params = this.restService.addRestGetParams(params, pagination, sort)
  82
  83     return this.authHttp.get(UserService.BASE_USERS_URL + '/me/videos', { params })
  84       .map(this.extractVideos)
  85       .catch((res) => this.restExtractor.handleError(res))
  86   }
  87
  88   getVideos (videoPagination: VideoPagination, sort: SortField): Observable<{ videos: Video[], totalVideos: number}> {
  89     const pagination = this.videoPaginationToRestPagination(videoPagination)
  90
  91     let params = new HttpParams()
  92     params = this.restService.addRestGetParams(params, pagination, sort)
  93
  94     return this.authHttp
  95       .get(VideoService.BASE_VIDEO_URL, { params })
  96       .map(this.extractVideos)
  97       .catch((res) => this.restExtractor.handleError(res))
  98   }
  99
 100   searchVideos (search: Search, videoPagination: VideoPagination, sort: SortField): Observable<{ videos: Video[], totalVideos: number}> {
 101     const url = VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value)
 102
 103     const pagination = this.videoPaginationToRestPagination(videoPagination)
 104
 105     let params = new HttpParams()
 106     params = this.restService.addRestGetParams(params, pagination, sort)
 107
 108     if (search.field) params.set('field', search.field)
 109
 110     return this.authHttp
 111       .get<ResultList<VideoServerModel>>(url, { params })
 112       .map(this.extractVideos)
 113       .catch((res) => this.restExtractor.handleError(res))
 114   }
 115
 116   removeVideo (id: number) {
 117     return this.authHttp
 118       .delete(VideoService.BASE_VIDEO_URL + id)
 119       .map(this.restExtractor.extractDataBool)
 120       .catch((res) => this.restExtractor.handleError(res))
 121   }
 122
 123   loadCompleteDescription (descriptionPath: string) {
 124     return this.authHttp
 125       .get(API_URL + descriptionPath)
 126       .map(res => res['description'])
 127       .catch((res) => this.restExtractor.handleError(res))
 128   }
 129
 130   setVideoLike (id: number) {
 131     return this.setVideoRate(id, 'like')
 132   }
 133
 134   setVideoDislike (id: number) {
 135     return this.setVideoRate(id, 'dislike')
 136   }
 137
 138   getUserVideoRating (id: number): Observable<UserVideoRate> {
 139     const url = UserService.BASE_USERS_URL + 'me/videos/' + id + '/rating'
 140
 141     return this.authHttp
 142       .get(url)
 143       .catch(res => this.restExtractor.handleError(res))
 144   }
 145
 146   private videoPaginationToRestPagination (videoPagination: VideoPagination) {
 147     const start: number = (videoPagination.currentPage - 1) * videoPagination.itemsPerPage
 148     const count: number = videoPagination.itemsPerPage
 149
 150     return { start, count }
 151   }
 152
 153   private setVideoRate (id: number, rateType: VideoRateType) {
 154     const url = VideoService.BASE_VIDEO_URL + id + '/rate'
 155     const body: UserVideoRateUpdate = {
 156       rating: rateType
 157     }
 158
 159     return this.authHttp
 160       .put(url, body)
 161       .map(this.restExtractor.extractDataBool)
 162       .catch(res => this.restExtractor.handleError(res))
 163   }
 164
 165   private extractVideos (result: ResultList<VideoServerModel>) {
 166     const videosJson = result.data
 167     const totalVideos = result.total
 168     const videos = []
 169
 170     for (const videoJson of videosJson) {
 171       videos.push(new Video(videoJson))
 172     }
 173
 174     return { videos, totalVideos }
 175   }
 176 }