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1 | import { Injectable } from '@angular/core'; | |
2 | import { Http } from '@angular/http'; | |
3 | import { Observable } from 'rxjs/Observable'; | |
4 | ||
5 | import { Search } from '../../shared'; | |
6 | import { SortField } from './sort-field.type'; | |
7 | import { AuthHttp, AuthService, RestExtractor, RestPagination, RestService, ResultList } from '../../shared'; | |
8 | import { Video } from './video.model'; | |
9 | ||
10 | @Injectable() | |
11 | export class VideoService { | |
12 | private static BASE_VIDEO_URL = '/api/v1/videos/'; | |
13 | ||
14 | constructor( | |
15 | private authService: AuthService, | |
16 | private authHttp: AuthHttp, | |
17 | private http: Http, | |
18 | private restExtractor: RestExtractor, | |
19 | private restService: RestService | |
20 | ) {} | |
21 | ||
22 | getVideo(id: string): Observable<Video> { | |
23 | return this.http.get(VideoService.BASE_VIDEO_URL + id) | |
24 | .map(this.restExtractor.extractDataGet) | |
25 | .map(video_hash => new Video(video_hash)) | |
26 | .catch((res) => this.restExtractor.handleError(res)); | |
27 | } | |
28 | ||
29 | getVideos(pagination: RestPagination, sort: SortField) { | |
30 | const params = this.restService.buildRestGetParams(pagination, sort); | |
31 | ||
32 | return this.http.get(VideoService.BASE_VIDEO_URL, { search: params }) | |
33 | .map(res => res.json()) | |
34 | .map(this.extractVideos) | |
35 | .catch((res) => this.restExtractor.handleError(res)); | |
36 | } | |
37 | ||
38 | removeVideo(id: string) { | |
39 | return this.authHttp.delete(VideoService.BASE_VIDEO_URL + id) | |
40 | .map(this.restExtractor.extractDataBool) | |
41 | .catch((res) => this.restExtractor.handleError(res)); | |
42 | } | |
43 | ||
44 | searchVideos(search: Search, pagination: RestPagination, sort: SortField) { | |
45 | const params = this.restService.buildRestGetParams(pagination, sort); | |
46 | ||
47 | if (search.field) params.set('field', search.field); | |
48 | ||
49 | return this.http.get(VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value), { search: params }) | |
50 | .map(this.restExtractor.extractDataList) | |
51 | .map(this.extractVideos) | |
52 | .catch((res) => this.restExtractor.handleError(res)); | |
53 | } | |
54 | ||
55 | private extractVideos(result: ResultList) { | |
56 | const videosJson = result.data; | |
57 | const totalVideos = result.total; | |
58 | const videos = []; | |
59 | for (const videoJson of videosJson) { | |
60 | videos.push(new Video(videoJson)); | |
61 | } | |
62 | ||
63 | return { videos, totalVideos }; | |
64 | } | |
65 | } |