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

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