client/src/app/search/channel-lazy-load.resolver.ts

   1 import { map } from 'rxjs/operators'
   2 import { Injectable } from '@angular/core'
   3 import { ActivatedRouteSnapshot, Resolve, Router } from '@angular/router'
   4 import { SearchService } from './search.service'
   5
   6 @Injectable()
   7 export class ChannelLazyLoadResolver implements Resolve<any> {
   8   constructor (
   9     private router: Router,
  10     private searchService: SearchService
  11   ) { }
  12
  13   resolve (route: ActivatedRouteSnapshot) {
  14     const url = route.params.url
  15     const externalRedirect = route.params.externalRedirect
  16     const fromPath = route.params.fromPath
  17
  18     if (!url) {
  19       console.error('Could not find url param.', { params: route.params })
  20       return this.router.navigateByUrl('/404')
  21     }
  22
  23     if (externalRedirect === 'true') {
  24       window.open(url)
  25       this.router.navigateByUrl(fromPath)
  26       return
  27     }
  28
  29     return this.searchService.searchVideoChannels({ search: url })
  30       .pipe(
  31         map(result => {
  32           if (result.data.length !== 1) {
  33             console.error('Cannot find result for this URL')
  34             return this.router.navigateByUrl('/404')
  35           }
  36
  37           const channel = result.data[0]
  38
  39           return this.router.navigateByUrl('/video-channels/' + channel.nameWithHost)
  40         })
  41       )
  42   }
  43 }