client/src/app/videos/video-list/video-list.component.ts

   1 import { Component, OnInit } from '@angular/core';
   2 import { Router, ROUTER_DIRECTIVES, RouteSegment } from '@angular/router';
   3
   4 import { PAGINATION_DIRECTIVES } from 'ng2-bootstrap/components/pagination';
   5
   6 import {
   7   LoaderComponent,
   8   Pagination,
   9   SortField,
  10   Video,
  11   VideoService
  12 } from '../shared';
  13 import { AuthService, Search, SearchField, User } from '../../shared';
  14 import { VideoMiniatureComponent } from './video-miniature.component';
  15 import { VideoSortComponent } from './video-sort.component';
  16 import { SearchService } from '../../shared';
  17
  18 @Component({
  19   selector: 'my-videos-list',
  20   styles: [ require('./video-list.component.scss') ],
  21   template: require('./video-list.component.html'),
  22   directives: [ LoaderComponent, PAGINATION_DIRECTIVES, ROUTER_DIRECTIVES, VideoMiniatureComponent, VideoSortComponent ]
  23 })
  24
  25 export class VideoListComponent implements OnInit {
  26   loading = false;
  27   pagination: Pagination = {
  28     currentPage: 1,
  29     itemsPerPage: 9,
  30     total: 0
  31   };
  32   sort: SortField;
  33   user: User = null;
  34   videos: Video[] = [];
  35
  36   private search: Search;
  37
  38   constructor(
  39     private authService: AuthService,
  40     private router: Router,
  41     private routeSegment: RouteSegment,
  42     private videoService: VideoService,
  43     private searchService: SearchService // Temporary
  44   ) {}
  45
  46   ngOnInit() {
  47     if (this.authService.isLoggedIn()) {
  48       this.user = User.load();
  49     }
  50
  51     this.search = {
  52       value: this.routeSegment.getParam('search'),
  53       field: <SearchField>this.routeSegment.getParam('field')
  54     };
  55
  56     // Temporary
  57     this.searchChanged(this.search);
  58
  59     this.sort = <SortField>this.routeSegment.getParam('sort') || '-createdDate';
  60
  61     this.getVideos();
  62   }
  63
  64   getVideos() {
  65     this.loading = true;
  66     this.videos = [];
  67
  68     let observable = null;
  69
  70     if (this.search.value) {
  71       observable = this.videoService.searchVideos(this.search, this.pagination, this.sort);
  72     } else {
  73       observable = this.videoService.getVideos(this.pagination, this.sort);
  74     }
  75
  76     observable.subscribe(
  77       ({ videos, totalVideos }) => {
  78         this.videos = videos;
  79         this.pagination.total = totalVideos;
  80
  81         this.loading = false;
  82       },
  83       error => alert(error)
  84     );
  85   }
  86
  87   noVideo() {
  88     return !this.loading && this.videos.length === 0;
  89   }
  90
  91   onRemoved(video: Video) {
  92     this.getVideos();
  93   }
  94
  95   onSort(sort: SortField) {
  96     this.sort = sort;
  97
  98     const params: any = {
  99       sort: this.sort
 100     };
 101
 102     if (this.search.value) {
 103       params.field = this.search.field;
 104       params.search = this.search.value;
 105     }
 106
 107     this.router.navigate(['/videos/list', params]);
 108   }
 109
 110   searchChanged(search: Search) {
 111     this.searchService.searchChanged.next(search);
 112   }
 113 }