1 import { Observable, of } from 'rxjs'
2 import { catchError, map, switchMap } from 'rxjs/operators'
3 import { HttpClient } from '@angular/common/http'
4 import { Injectable } from '@angular/core'
5 import { RestExtractor, ServerService } from '@app/core'
6 import { objectToFormData, sortBy } from '@app/helpers'
7 import { VideoService } from '@app/shared/shared-main/video'
8 import { peertubeTranslate } from '@shared/core-utils/i18n'
9 import { ResultList, VideoCaption } from '@shared/models'
10 import { VideoCaptionEdit } from './video-caption-edit.model'
13 export class VideoCaptionService {
15 private authHttp: HttpClient,
16 private serverService: ServerService,
17 private restExtractor: RestExtractor
20 listCaptions (videoId: number | string): Observable<ResultList<VideoCaption>> {
21 return this.authHttp.get<ResultList<VideoCaption>>(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions`)
23 switchMap(captionsResult => {
24 return this.serverService.getServerLocale()
25 .pipe(map(translations => ({ captionsResult, translations })))
27 map(({ captionsResult, translations }) => {
28 for (const c of captionsResult.data) {
29 c.language.label = peertubeTranslate(c.language.label, translations)
34 map(captionsResult => {
35 sortBy(captionsResult.data, 'language', 'label')
40 .pipe(catchError(res => this.restExtractor.handleError(res)))
43 removeCaption (videoId: number | string, language: string) {
44 return this.authHttp.delete(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions/${language}`)
45 .pipe(catchError(res => this.restExtractor.handleError(res)))
48 addCaption (videoId: number | string, language: string, captionfile: File) {
49 const body = { captionfile }
50 const data = objectToFormData(body)
52 return this.authHttp.put(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions/${language}`, data)
53 .pipe(catchError(res => this.restExtractor.handleError(res)))
56 updateCaptions (videoId: number | string, videoCaptions: VideoCaptionEdit[]) {
57 let obs: Observable<any> = of(undefined)
59 for (const videoCaption of videoCaptions) {
60 if (videoCaption.action === 'CREATE') {
61 obs = obs.pipe(switchMap(() => this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)))
62 } else if (videoCaption.action === 'REMOVE') {
63 obs = obs.pipe(switchMap(() => this.removeCaption(videoId, videoCaption.language.id)))