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import { catchError, map, switchMap } from 'rxjs/operators'
import { HttpClient } from '@angular/common/http'
import { Injectable } from '@angular/core'
import { forkJoin, Observable, of } from 'rxjs'
import { peertubeTranslate, ResultList } from '../../../../../shared'
import { RestExtractor, RestService } from '../rest'
import { VideoService } from '@app/shared/video/video.service'
import { objectToFormData, sortBy } from '@app/shared/misc/utils'
import { VideoCaptionEdit } from '@app/shared/video-caption/video-caption-edit.model'
import { VideoCaption } from '../../../../../shared/models/videos/caption/video-caption.model'
import { ServerService } from '@app/core'
@Injectable()
export class VideoCaptionService {
constructor (
private authHttp: HttpClient,
private serverService: ServerService,
private restService: RestService,
private restExtractor: RestExtractor
) {}
listCaptions (videoId: number | string): Observable<ResultList<VideoCaption>> {
return this.authHttp.get<ResultList<VideoCaption>>(VideoService.BASE_VIDEO_URL + videoId + '/captions')
.pipe(
switchMap(captionsResult => {
return this.serverService.localeObservable
.pipe(map(translations => ({ captionsResult, translations })))
}),
map(({ captionsResult, translations }) => {
for (const c of captionsResult.data) {
c.language.label = peertubeTranslate(c.language.label, translations)
}
return captionsResult
}),
map(captionsResult => {
sortBy(captionsResult.data, 'language', 'label')
return captionsResult
})
)
.pipe(catchError(res => this.restExtractor.handleError(res)))
}
removeCaption (videoId: number | string, language: string) {
return this.authHttp.delete(VideoService.BASE_VIDEO_URL + videoId + '/captions/' + language)
.pipe(
map(this.restExtractor.extractDataBool),
catchError(res => this.restExtractor.handleError(res))
)
}
addCaption (videoId: number | string, language: string, captionfile: File) {
const body = { captionfile }
const data = objectToFormData(body)
return this.authHttp.put(VideoService.BASE_VIDEO_URL + videoId + '/captions/' + language, data)
.pipe(
map(this.restExtractor.extractDataBool),
catchError(res => this.restExtractor.handleError(res))
)
}
updateCaptions (videoId: number | string, videoCaptions: VideoCaptionEdit[]) {
const observables: Observable<any>[] = []
for (const videoCaption of videoCaptions) {
if (videoCaption.action === 'CREATE') {
observables.push(
this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)
)
} else if (videoCaption.action === 'REMOVE') {
observables.push(
this.removeCaption(videoId, videoCaption.language.id)
)
}
}
if (observables.length === 0) return of(true)
return forkJoin(observables)
}
}
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