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 { AuthService } from '../../core'
  10 import {
  11   AuthHttp,
  12   RestExtractor,
  13   RestPagination,
  14   RestService,
  15   ResultList,
  16   UserService
  17 } from '../../shared'
  18 import { Video } from './video.model'
  19 import { UserVideoRate, VideoRateType } from '../../../../../shared'
  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, 10),
  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, 10),
  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, 10),
  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(videoHash => new Video(videoHash))
  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): Observable<UserVideoRate> {
 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: VideoRateType) {
 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 }