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

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