client/src/app/header/header.component.ts

   1 import { filter, first, map, tap } from 'rxjs/operators'
   2 import { Component, OnInit } from '@angular/core'
   3 import { ActivatedRoute, NavigationEnd, Params, Router } from '@angular/router'
   4 import { getParameterByName } from '../shared/misc/utils'
   5 import { AuthService } from '@app/core'
   6 import { of } from 'rxjs'
   7
   8 @Component({
   9   selector: 'my-header',
  10   templateUrl: './header.component.html',
  11   styleUrls: [ './header.component.scss' ]
  12 })
  13
  14 export class HeaderComponent implements OnInit {
  15   searchValue = ''
  16
  17   constructor (
  18     private router: Router,
  19     private route: ActivatedRoute,
  20     private auth: AuthService
  21   ) {}
  22
  23   ngOnInit () {
  24     this.router.events
  25         .pipe(
  26           filter(e => e instanceof NavigationEnd),
  27           map(() => getParameterByName('search', window.location.href))
  28         )
  29         .subscribe(searchQuery => this.searchValue = searchQuery || '')
  30   }
  31
  32   doSearch () {
  33     const queryParams: Params = {}
  34
  35     if (window.location.pathname === '/search' && this.route.snapshot.queryParams) {
  36       Object.assign(queryParams, this.route.snapshot.queryParams)
  37     }
  38
  39     Object.assign(queryParams, { search: this.searchValue })
  40
  41     const o = this.auth.isLoggedIn()
  42       ? this.loadUserLanguagesIfNeeded(queryParams)
  43       : of(true)
  44
  45     o.subscribe(() => this.router.navigate([ '/search' ], { queryParams }))
  46   }
  47
  48   private loadUserLanguagesIfNeeded (queryParams: any) {
  49     if (queryParams && queryParams.languageOneOf) return of(queryParams)
  50
  51     return this.auth.userInformationLoaded
  52                .pipe(
  53                  first(),
  54                  tap(() => Object.assign(queryParams, { languageOneOf: this.auth.getUser().videoLanguages }))
  55                )
  56   }
  57 }