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57c36b27 | 1 | import { Component, OnDestroy, OnInit } from '@angular/core' |
0b18f4aa | 2 | import { ActivatedRoute, Router } from '@angular/router' |
3a0fb65c | 3 | import { AuthService, Notifier } from '@app/core' |
f37dc0dd | 4 | import { forkJoin, Subscription } from 'rxjs' |
57c36b27 C |
5 | import { SearchService } from '@app/search/search.service' |
6 | import { ComponentPagination } from '@app/shared/rest/component-pagination.model' | |
7 | import { I18n } from '@ngx-translate/i18n-polyfill' | |
57c36b27 | 8 | import { MetaService } from '@ngx-meta/core' |
0b18f4aa | 9 | import { AdvancedSearch } from '@app/search/advanced-search.model' |
f37dc0dd C |
10 | import { VideoChannel } from '@app/shared/video-channel/video-channel.model' |
11 | import { immutableAssign } from '@app/shared/misc/utils' | |
26fabbd6 | 12 | import { Video } from '@app/shared/video/video.model' |
57c36b27 C |
13 | |
14 | @Component({ | |
15 | selector: 'my-search', | |
16 | styleUrls: [ './search.component.scss' ], | |
17 | templateUrl: './search.component.html' | |
18 | }) | |
19 | export class SearchComponent implements OnInit, OnDestroy { | |
26fabbd6 | 20 | results: (Video | VideoChannel)[] = [] |
f37dc0dd | 21 | |
57c36b27 C |
22 | pagination: ComponentPagination = { |
23 | currentPage: 1, | |
f37dc0dd | 24 | itemsPerPage: 10, // Only for videos, use another variable for channels |
57c36b27 C |
25 | totalItems: null |
26 | } | |
0b18f4aa C |
27 | advancedSearch: AdvancedSearch = new AdvancedSearch() |
28 | isSearchFilterCollapsed = true | |
f37dc0dd | 29 | currentSearch: string |
57c36b27 C |
30 | |
31 | private subActivatedRoute: Subscription | |
c5d04b4f | 32 | private isInitialLoad = false // set to false to show the search filters on first arrival |
b1ee8526 | 33 | private firstSearch = true |
57c36b27 | 34 | |
f37dc0dd C |
35 | private channelsPerPage = 2 |
36 | ||
57c36b27 C |
37 | constructor ( |
38 | private i18n: I18n, | |
39 | private route: ActivatedRoute, | |
0b18f4aa | 40 | private router: Router, |
57c36b27 | 41 | private metaService: MetaService, |
f8b2c1b4 | 42 | private notifier: Notifier, |
26fabbd6 | 43 | private searchService: SearchService, |
e2409062 | 44 | private authService: AuthService |
57c36b27 C |
45 | ) { } |
46 | ||
e2409062 C |
47 | get user () { |
48 | return this.authService.getUser() | |
49 | } | |
50 | ||
57c36b27 C |
51 | ngOnInit () { |
52 | this.subActivatedRoute = this.route.queryParams.subscribe( | |
53 | queryParams => { | |
54 | const querySearch = queryParams['search'] | |
55 | ||
0b18f4aa | 56 | // Search updated, reset filters |
7afea880 C |
57 | if (this.currentSearch !== querySearch) { |
58 | this.resetPagination() | |
59 | this.advancedSearch.reset() | |
60 | ||
47879669 | 61 | this.currentSearch = querySearch || undefined |
7afea880 C |
62 | this.updateTitle() |
63 | } | |
64 | ||
65 | this.advancedSearch = new AdvancedSearch(queryParams) | |
0b18f4aa | 66 | |
7afea880 C |
67 | // Don't hide filters if we have some of them AND the user just came on the webpage |
68 | this.isSearchFilterCollapsed = this.isInitialLoad === false || !this.advancedSearch.containsValues() | |
69 | this.isInitialLoad = false | |
57c36b27 | 70 | |
7afea880 | 71 | this.search() |
57c36b27 C |
72 | }, |
73 | ||
f8b2c1b4 | 74 | err => this.notifier.error(err.text) |
57c36b27 C |
75 | ) |
76 | } | |
77 | ||
78 | ngOnDestroy () { | |
79 | if (this.subActivatedRoute) this.subActivatedRoute.unsubscribe() | |
80 | } | |
81 | ||
26fabbd6 C |
82 | isVideoChannel (d: VideoChannel | Video): d is VideoChannel { |
83 | return d instanceof VideoChannel | |
84 | } | |
85 | ||
86 | isVideo (v: VideoChannel | Video): v is Video { | |
87 | return v instanceof Video | |
88 | } | |
89 | ||
90 | isUserLoggedIn () { | |
91 | return this.authService.isLoggedIn() | |
92 | } | |
93 | ||
57c36b27 | 94 | search () { |
f37dc0dd C |
95 | forkJoin([ |
96 | this.searchService.searchVideos(this.currentSearch, this.pagination, this.advancedSearch), | |
97 | this.searchService.searchVideoChannels(this.currentSearch, immutableAssign(this.pagination, { itemsPerPage: this.channelsPerPage })) | |
98 | ]) | |
57c36b27 | 99 | .subscribe( |
f37dc0dd | 100 | ([ videosResult, videoChannelsResult ]) => { |
26fabbd6 C |
101 | this.results = this.results |
102 | .concat(videoChannelsResult.data) | |
103 | .concat(videosResult.videos) | |
aa55a4da | 104 | this.pagination.totalItems = videosResult.totalVideos + videoChannelsResult.total |
f37dc0dd | 105 | |
b1ee8526 C |
106 | // Focus on channels if there are no enough videos |
107 | if (this.firstSearch === true && videosResult.videos.length < this.pagination.itemsPerPage) { | |
aa55a4da | 108 | this.resetPagination() |
b1ee8526 | 109 | this.firstSearch = false |
aa55a4da C |
110 | |
111 | this.channelsPerPage = 10 | |
112 | this.search() | |
113 | } | |
b1ee8526 C |
114 | |
115 | this.firstSearch = false | |
57c36b27 C |
116 | }, |
117 | ||
f8b2c1b4 | 118 | err => this.notifier.error(err.message) |
57c36b27 | 119 | ) |
f37dc0dd | 120 | |
57c36b27 C |
121 | } |
122 | ||
123 | onNearOfBottom () { | |
124 | // Last page | |
125 | if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return | |
126 | ||
127 | this.pagination.currentPage += 1 | |
128 | this.search() | |
129 | } | |
130 | ||
0b18f4aa | 131 | onFiltered () { |
7afea880 | 132 | this.resetPagination() |
0b18f4aa | 133 | |
7afea880 | 134 | this.updateUrlFromAdvancedSearch() |
0b18f4aa C |
135 | } |
136 | ||
c5d04b4f RK |
137 | numberOfFilters () { |
138 | return this.advancedSearch.size() | |
139 | } | |
140 | ||
3a0fb65c C |
141 | removeVideoFromArray (video: Video) { |
142 | this.results = this.results.filter(r => !this.isVideo(r) || r.id !== video.id) | |
143 | } | |
144 | ||
7afea880 | 145 | private resetPagination () { |
57c36b27 C |
146 | this.pagination.currentPage = 1 |
147 | this.pagination.totalItems = null | |
aa55a4da | 148 | this.channelsPerPage = 2 |
57c36b27 | 149 | |
26fabbd6 | 150 | this.results = [] |
57c36b27 C |
151 | } |
152 | ||
153 | private updateTitle () { | |
f107470e C |
154 | const suffix = this.currentSearch ? ' ' + this.currentSearch : '' |
155 | this.metaService.setTitle(this.i18n('Search') + suffix) | |
57c36b27 | 156 | } |
0b18f4aa C |
157 | |
158 | private updateUrlFromAdvancedSearch () { | |
47879669 | 159 | const search = this.currentSearch || undefined |
c5d04b4f | 160 | |
0b18f4aa C |
161 | this.router.navigate([], { |
162 | relativeTo: this.route, | |
c5d04b4f | 163 | queryParams: Object.assign({}, this.advancedSearch.toUrlObject(), { search }) |
0b18f4aa C |
164 | }) |
165 | } | |
57c36b27 | 166 | } |