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import { ChangeDetectorRef, Component, OnDestroy, OnInit } from '@angular/core';
import { AsyncPipe } from '@angular/common';
import { ActivatedRoute, Router, ROUTER_DIRECTIVES } from '@angular/router';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
import { PAGINATION_DIRECTIVES } from 'ng2-bootstrap/components/pagination';
import {
LoaderComponent,
Pagination,
SortField,
Video,
VideoService
} from '../shared';
import { AuthService, Search, SearchField, User } from '../../shared';
import { VideoMiniatureComponent } from './video-miniature.component';
import { VideoSortComponent } from './video-sort.component';
import { SearchService } from '../../shared';
@Component({
selector: 'my-videos-list',
styles: [ require('./video-list.component.scss') ],
pipes: [ AsyncPipe ],
template: require('./video-list.component.html'),
directives: [ LoaderComponent, PAGINATION_DIRECTIVES, ROUTER_DIRECTIVES, VideoMiniatureComponent, VideoSortComponent ]
})
export class VideoListComponent implements OnInit, OnDestroy {
loading: BehaviorSubject<boolean> = new BehaviorSubject(false);
pagination: Pagination = {
currentPage: 1,
itemsPerPage: 9,
totalItems: null
};
sort: SortField;
user: User = null;
videos: Video[] = [];
private search: Search;
private sub: any;
constructor(
private authService: AuthService,
private changeDetector: ChangeDetectorRef,
private router: Router,
private route: ActivatedRoute,
private videoService: VideoService,
private searchService: SearchService
) {}
ngOnInit() {
this.sub = this.route.params.subscribe(routeParams => {
if (this.authService.isLoggedIn()) {
this.user = User.load();
}
this.search = {
value: routeParams['search'],
field: <SearchField>routeParams['field']
};
// Update the search service component
this.searchService.searchChanged.next(this.search);
this.sort = <SortField>routeParams['sort'] || '-createdDate';
this.getVideos();
});
}
ngOnDestroy() {
this.sub.unsubscribe();
}
getVideos(detectChanges = true) {
this.loading.next(true);
this.videos = [];
this.pagination.currentPage = 1;
this.changeDetector.detectChanges();
let observable = null;
if (this.search.value) {
observable = this.videoService.searchVideos(this.search, this.pagination, this.sort);
} else {
observable = this.videoService.getVideos(this.pagination, this.sort);
}
observable.subscribe(
({ videos, totalVideos }) => {
this.videos = videos;
this.pagination.totalItems = totalVideos;
this.loading.next(false);
},
error => alert(error)
);
}
noVideo() {
return !this.loading && this.videos.length === 0;
}
onRemoved(video: Video) {
this.getVideos(false);
}
onSort(sort: SortField) {
this.sort = sort;
const params: any = {
sort: this.sort
};
if (this.search.value) {
params.field = this.search.field;
params.search = this.search.value;
}
this.router.navigate(['/videos/list', params]);
}
}
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