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1 | import { Subscription } from 'rxjs' | |
2 | import { first, switchMap } from 'rxjs/operators' | |
3 | import { Component, ComponentFactoryResolver, Injector, OnDestroy, OnInit } from '@angular/core' | |
4 | import { ActivatedRoute, Params, Router } from '@angular/router' | |
5 | import { AuthService, LocalStorageService, Notifier, RedirectService, ScreenService, ServerService, UserService } from '@app/core' | |
6 | import { HooksService } from '@app/core/plugins/hooks.service' | |
7 | import { immutableAssign } from '@app/helpers' | |
8 | import { VideoService } from '@app/shared/shared-main' | |
9 | import { AbstractVideoList } from '@app/shared/shared-video-miniature' | |
10 | import { VideoSortField } from '@shared/models' | |
11 | import { VideoTrendingHeaderComponent } from './video-trending-header.component' | |
12 | ||
13 | @Component({ | |
14 | selector: 'my-videos-hot', | |
15 | styleUrls: [ '../../../shared/shared-video-miniature/abstract-video-list.scss' ], | |
16 | templateUrl: '../../../shared/shared-video-miniature/abstract-video-list.html' | |
17 | }) | |
18 | export class VideoTrendingComponent extends AbstractVideoList implements OnInit, OnDestroy { | |
19 | HeaderComponent = VideoTrendingHeaderComponent | |
20 | titlePage: string | |
21 | defaultSort: VideoSortField = '-trending' | |
22 | ||
23 | loadUserVideoPreferences = true | |
24 | ||
25 | private algorithmChangeSub: Subscription | |
26 | ||
27 | constructor ( | |
28 | protected router: Router, | |
29 | protected serverService: ServerService, | |
30 | protected route: ActivatedRoute, | |
31 | protected notifier: Notifier, | |
32 | protected authService: AuthService, | |
33 | protected userService: UserService, | |
34 | protected screenService: ScreenService, | |
35 | protected storageService: LocalStorageService, | |
36 | protected cfr: ComponentFactoryResolver, | |
37 | private videoService: VideoService, | |
38 | private redirectService: RedirectService, | |
39 | private hooks: HooksService | |
40 | ) { | |
41 | super() | |
42 | ||
43 | this.defaultSort = this.parseAlgorithm(this.redirectService.getDefaultTrendingAlgorithm()) | |
44 | ||
45 | this.headerComponentInjector = this.getInjector() | |
46 | } | |
47 | ||
48 | ngOnInit () { | |
49 | super.ngOnInit() | |
50 | ||
51 | this.generateSyndicationList() | |
52 | ||
53 | // Subscribe to alg change after we loaded the data | |
54 | // The initial alg load is handled by the parent class | |
55 | this.algorithmChangeSub = this.onDataSubject | |
56 | .pipe( | |
57 | first(), | |
58 | switchMap(() => this.route.queryParams) | |
59 | ).subscribe(queryParams => { | |
60 | const oldSort = this.sort | |
61 | ||
62 | this.loadPageRouteParams(queryParams) | |
63 | ||
64 | if (oldSort !== this.sort) this.reloadVideos() | |
65 | } | |
66 | ) | |
67 | } | |
68 | ||
69 | ngOnDestroy () { | |
70 | super.ngOnDestroy() | |
71 | if (this.algorithmChangeSub) this.algorithmChangeSub.unsubscribe() | |
72 | } | |
73 | ||
74 | getVideosObservable (page: number) { | |
75 | const newPagination = immutableAssign(this.pagination, { currentPage: page }) | |
76 | const params = { | |
77 | videoPagination: newPagination, | |
78 | sort: this.sort, | |
79 | categoryOneOf: this.categoryOneOf, | |
80 | languageOneOf: this.languageOneOf, | |
81 | nsfwPolicy: this.nsfwPolicy, | |
82 | skipCount: true | |
83 | } | |
84 | ||
85 | return this.hooks.wrapObsFun( | |
86 | this.videoService.getVideos.bind(this.videoService), | |
87 | params, | |
88 | 'common', | |
89 | 'filter:api.trending-videos.videos.list.params', | |
90 | 'filter:api.trending-videos.videos.list.result' | |
91 | ) | |
92 | } | |
93 | ||
94 | generateSyndicationList () { | |
95 | this.syndicationItems = this.videoService.getVideoFeedUrls(this.sort, undefined, this.categoryOneOf) | |
96 | } | |
97 | ||
98 | getInjector () { | |
99 | return Injector.create({ | |
100 | providers: [ { | |
101 | provide: 'data', | |
102 | useValue: { | |
103 | model: this.defaultSort | |
104 | } | |
105 | } ] | |
106 | }) | |
107 | } | |
108 | ||
109 | protected loadPageRouteParams (queryParams: Params) { | |
110 | const algorithm = queryParams['alg'] || this.redirectService.getDefaultTrendingAlgorithm() | |
111 | ||
112 | this.sort = this.parseAlgorithm(algorithm) | |
113 | } | |
114 | ||
115 | private parseAlgorithm (algorithm: string): VideoSortField { | |
116 | switch (algorithm) { | |
117 | case 'most-viewed': | |
118 | return '-trending' | |
119 | ||
120 | case 'most-liked': | |
121 | return '-likes' | |
122 | ||
123 | default: | |
124 | return '-' + algorithm as VideoSortField | |
125 | } | |
126 | } | |
127 | } |