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import { forkJoin, of } from 'rxjs'
import { map, switchMap } from 'rxjs/operators'
import { Injectable } from '@angular/core'
import { ActivatedRouteSnapshot, Resolve } from '@angular/router'
import { AuthService } from '@app/core'
import { listUserChannels } from '@app/helpers'
import { VideoCaptionService, VideoDetails, VideoService } from '@app/shared/shared-main'
import { LiveVideoService } from '@app/shared/shared-video-live'
@Injectable()
export class VideoUpdateResolver implements Resolve<any> {
constructor (
private videoService: VideoService,
private liveVideoService: LiveVideoService,
private authService: AuthService,
private videoCaptionService: VideoCaptionService
) {
}
resolve (route: ActivatedRouteSnapshot) {
const uuid: string = route.params[ 'uuid' ]
return this.videoService.getVideo({ videoId: uuid })
.pipe(
switchMap(video => forkJoin(this.buildVideoObservables(video))),
map(([ video, videoChannels, videoCaptions, liveVideo ]) => ({ video, videoChannels, videoCaptions, liveVideo }))
)
}
private buildVideoObservables (video: VideoDetails) {
return [
this.videoService
.loadCompleteDescription(video.descriptionPath)
.pipe(map(description => Object.assign(video, { description }))),
listUserChannels(this.authService),
this.videoCaptionService
.listCaptions(video.id)
.pipe(
map(result => result.data)
),
video.isLive
? this.liveVideoService.getVideoLive(video.id)
: of(undefined)
]
}
}
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