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import { forkJoin, of } from 'rxjs'
import { catchError, map } from 'rxjs/operators'
import { Injectable } from '@angular/core'
import { ActivatedRouteSnapshot, CanActivate, Router } from '@angular/router'
import { AccountService } from '../account'
import { VideoChannelService } from '../video-channel'
@Injectable()
export class ActorRedirectGuard implements CanActivate {
constructor (
private router: Router,
private accountService: AccountService,
private channelService: VideoChannelService
) {}
canActivate (route: ActivatedRouteSnapshot) {
const actorName = route.params.actorName
return forkJoin([
this.accountService.getAccount(actorName).pipe(this.orUndefined()),
this.channelService.getVideoChannel(actorName).pipe(this.orUndefined())
]).pipe(
map(([ account, channel ]) => {
if (account) {
return this.router.parseUrl(`/a/${actorName}`)
}
if (channel) {
return this.router.parseUrl(`/c/${actorName}`)
}
return this.router.parseUrl('/404')
})
)
}
private orUndefined () {
return catchError(() => of(undefined))
}
}
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