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import { Observable, of } from 'rxjs'
import { catchError, map, switchMap } from 'rxjs/operators'
import { HttpClient } from '@angular/common/http'
import { Injectable } from '@angular/core'
import { RestExtractor, ServerService } from '@app/core'
import { objectToFormData, sortBy } from '@app/helpers'
import { VideoService } from '@app/shared/shared-main/video'
import { peertubeTranslate } from '@shared/core-utils/i18n'
import { ResultList, VideoCaption } from '@shared/models'
import { environment } from '../../../../environments/environment'
import { VideoCaptionEdit } from './video-caption-edit.model'
@Injectable()
export class VideoCaptionService {
constructor (
private authHttp: HttpClient,
private serverService: ServerService,
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.getServerLocale()
.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/${language}`)
.pipe(catchError(res => this.restExtractor.handleError(res)))
}
addCaption (videoId: number | string, language: string, captionfile: File) {
const body = { captionfile }
const data = objectToFormData(body)
return this.authHttp.put(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions/${language}`, data)
.pipe(catchError(res => this.restExtractor.handleError(res)))
}
updateCaptions (videoId: number | string, videoCaptions: VideoCaptionEdit[]) {
let obs: Observable<any> = of(undefined)
for (const videoCaption of videoCaptions) {
if (videoCaption.action === 'CREATE' || videoCaption.action === 'UPDATE') {
obs = obs.pipe(switchMap(() => this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)))
} else if (videoCaption.action === 'REMOVE') {
obs = obs.pipe(switchMap(() => this.removeCaption(videoId, videoCaption.language.id)))
}
}
return obs
}
getCaptionContent ({ captionPath }: Pick<VideoCaption, 'captionPath'>) {
return this.authHttp.get(environment.originServerUrl + captionPath, { responseType: 'text' })
}
}
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