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import { Component, OnInit, OnDestroy } from '@angular/core'
import { ActivatedRoute } from '@angular/router'
import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
import { RestExtractor } from '@app/shared'
import { catchError, switchMap, map, distinctUntilChanged } from 'rxjs/operators'
import { Subscription } from 'rxjs/Subscription'
@Component({
templateUrl: './video-channels.component.html',
styleUrls: [ './video-channels.component.scss' ]
})
export class VideoChannelsComponent implements OnInit, OnDestroy {
videoChannel: VideoChannel
private routeSub: Subscription
constructor (
private route: ActivatedRoute,
private videoChannelService: VideoChannelService,
private restExtractor: RestExtractor
) { }
ngOnInit () {
this.routeSub = this.route.params
.pipe(
map(params => params[ 'videoChannelId' ]),
distinctUntilChanged(),
switchMap(videoChannelId => this.videoChannelService.getVideoChannel(videoChannelId)),
catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ]))
)
.subscribe(videoChannel => this.videoChannel = videoChannel)
}
ngOnDestroy () {
if (this.routeSub) this.routeSub.unsubscribe()
}
}
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