-import { Component, OnInit } from '@angular/core'
+import { Component, OnDestroy, OnInit } 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, distinctUntilChanged, map, switchMap } from 'rxjs/operators'
+import { Subscription } from 'rxjs'
@Component({
templateUrl: './video-channels.component.html',
styleUrls: [ './video-channels.component.scss' ]
})
-export class VideoChannelsComponent implements OnInit {
+export class VideoChannelsComponent implements OnInit, OnDestroy {
videoChannel: VideoChannel
+ private routeSub: Subscription
+
constructor (
private route: ActivatedRoute,
- private videoChannelService: VideoChannelService
- ) {}
+ private videoChannelService: VideoChannelService,
+ private restExtractor: RestExtractor
+ ) { }
ngOnInit () {
- const videoChannelId = this.route.snapshot.params['videoChannelId']
+ 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)
+
+ }
- this.videoChannelService.getVideoChannel(videoChannelId)
- .subscribe(videoChannel => this.videoChannel = videoChannel)
+ ngOnDestroy () {
+ if (this.routeSub) this.routeSub.unsubscribe()
}
}