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1 | import { forkJoin, of, Subscription } from 'rxjs' | |
2 | import { LinkType } from 'src/types/link.type' | |
3 | import { Component, OnDestroy, OnInit } from '@angular/core' | |
4 | import { ActivatedRoute, Router } from '@angular/router' | |
5 | import { AuthService, HooksService, MetaService, Notifier, ServerService, User, UserService } from '@app/core' | |
6 | import { immutableAssign } from '@app/helpers' | |
7 | import { Video, VideoChannel } from '@app/shared/shared-main' | |
8 | import { AdvancedSearch, SearchService } from '@app/shared/shared-search' | |
9 | import { MiniatureDisplayOptions } from '@app/shared/shared-video-miniature' | |
10 | import { VideoPlaylist } from '@app/shared/shared-video-playlist' | |
11 | import { HTMLServerConfig, SearchTargetType } from '@shared/models' | |
12 | ||
13 | @Component({ | |
14 | selector: 'my-search', | |
15 | styleUrls: [ './search.component.scss' ], | |
16 | templateUrl: './search.component.html' | |
17 | }) | |
18 | export class SearchComponent implements OnInit, OnDestroy { | |
19 | results: (Video | VideoChannel)[] = [] | |
20 | ||
21 | pagination = { | |
22 | currentPage: 1, | |
23 | totalItems: null as number | |
24 | } | |
25 | advancedSearch: AdvancedSearch = new AdvancedSearch() | |
26 | isSearchFilterCollapsed = true | |
27 | currentSearch: string | |
28 | ||
29 | videoDisplayOptions: MiniatureDisplayOptions = { | |
30 | date: true, | |
31 | views: true, | |
32 | by: true, | |
33 | avatar: false, | |
34 | privacyLabel: false, | |
35 | privacyText: false, | |
36 | state: false, | |
37 | blacklistInfo: false | |
38 | } | |
39 | ||
40 | errorMessage: string | |
41 | ||
42 | userMiniature: User | |
43 | ||
44 | private subActivatedRoute: Subscription | |
45 | private isInitialLoad = false // set to false to show the search filters on first arrival | |
46 | private firstSearch = true | |
47 | ||
48 | private channelsPerPage = 2 | |
49 | private playlistsPerPage = 2 | |
50 | private videosPerPage = 10 | |
51 | ||
52 | private hasMoreResults = true | |
53 | private isSearching = false | |
54 | ||
55 | private lastSearchTarget: SearchTargetType | |
56 | ||
57 | private serverConfig: HTMLServerConfig | |
58 | ||
59 | constructor ( | |
60 | private route: ActivatedRoute, | |
61 | private router: Router, | |
62 | private metaService: MetaService, | |
63 | private notifier: Notifier, | |
64 | private searchService: SearchService, | |
65 | private authService: AuthService, | |
66 | private userService: UserService, | |
67 | private hooks: HooksService, | |
68 | private serverService: ServerService | |
69 | ) { } | |
70 | ||
71 | ngOnInit () { | |
72 | this.serverConfig = this.serverService.getHTMLConfig() | |
73 | ||
74 | this.subActivatedRoute = this.route.queryParams.subscribe( | |
75 | async queryParams => { | |
76 | const querySearch = queryParams['search'] | |
77 | const searchTarget = queryParams['searchTarget'] | |
78 | ||
79 | // Search updated, reset filters | |
80 | if (this.currentSearch !== querySearch || searchTarget !== this.advancedSearch.searchTarget) { | |
81 | this.resetPagination() | |
82 | this.advancedSearch.reset() | |
83 | ||
84 | this.currentSearch = querySearch || undefined | |
85 | this.updateTitle() | |
86 | } | |
87 | ||
88 | this.advancedSearch = new AdvancedSearch(queryParams) | |
89 | if (!this.advancedSearch.searchTarget) { | |
90 | this.advancedSearch.searchTarget = this.getDefaultSearchTarget() | |
91 | } | |
92 | ||
93 | // Don't hide filters if we have some of them AND the user just came on the webpage | |
94 | this.isSearchFilterCollapsed = this.isInitialLoad === false || !this.advancedSearch.containsValues() | |
95 | this.isInitialLoad = false | |
96 | ||
97 | this.search() | |
98 | }, | |
99 | ||
100 | err => this.notifier.error(err.text) | |
101 | ) | |
102 | ||
103 | this.userService.getAnonymousOrLoggedUser() | |
104 | .subscribe(user => this.userMiniature = user) | |
105 | ||
106 | this.hooks.runAction('action:search.init', 'search') | |
107 | } | |
108 | ||
109 | ngOnDestroy () { | |
110 | if (this.subActivatedRoute) this.subActivatedRoute.unsubscribe() | |
111 | } | |
112 | ||
113 | isVideoChannel (d: VideoChannel | Video | VideoPlaylist): d is VideoChannel { | |
114 | return d instanceof VideoChannel | |
115 | } | |
116 | ||
117 | isVideo (v: VideoChannel | Video | VideoPlaylist): v is Video { | |
118 | return v instanceof Video | |
119 | } | |
120 | ||
121 | isPlaylist (v: VideoChannel | Video | VideoPlaylist): v is VideoPlaylist { | |
122 | return v instanceof VideoPlaylist | |
123 | } | |
124 | ||
125 | isUserLoggedIn () { | |
126 | return this.authService.isLoggedIn() | |
127 | } | |
128 | ||
129 | search () { | |
130 | this.isSearching = true | |
131 | ||
132 | forkJoin([ | |
133 | this.getVideoChannelObs(), | |
134 | this.getVideoPlaylistObs(), | |
135 | this.getVideosObs() | |
136 | ]).subscribe(results => { | |
137 | for (const result of results) { | |
138 | this.results = this.results.concat(result.data) | |
139 | } | |
140 | ||
141 | this.pagination.totalItems = results.reduce((p, r) => p += r.total, 0) | |
142 | this.lastSearchTarget = this.advancedSearch.searchTarget | |
143 | ||
144 | this.hasMoreResults = this.results.length < this.pagination.totalItems | |
145 | }, | |
146 | ||
147 | err => { | |
148 | if (this.advancedSearch.searchTarget !== 'search-index') { | |
149 | this.notifier.error(err.message) | |
150 | return | |
151 | } | |
152 | ||
153 | this.notifier.error( | |
154 | $localize`Search index is unavailable. Retrying with instance results instead.`, | |
155 | $localize`Search error` | |
156 | ) | |
157 | this.advancedSearch.searchTarget = 'local' | |
158 | this.search() | |
159 | }, | |
160 | ||
161 | () => { | |
162 | this.isSearching = false | |
163 | }) | |
164 | } | |
165 | ||
166 | onNearOfBottom () { | |
167 | // Last page | |
168 | if (!this.hasMoreResults || this.isSearching) return | |
169 | ||
170 | this.pagination.currentPage += 1 | |
171 | this.search() | |
172 | } | |
173 | ||
174 | onFiltered () { | |
175 | this.resetPagination() | |
176 | ||
177 | this.updateUrlFromAdvancedSearch() | |
178 | } | |
179 | ||
180 | numberOfFilters () { | |
181 | return this.advancedSearch.size() | |
182 | } | |
183 | ||
184 | // Add VideoChannel/VideoPlaylist for typings, but the template already checks "video" argument is a video | |
185 | removeVideoFromArray (video: Video | VideoChannel | VideoPlaylist) { | |
186 | this.results = this.results.filter(r => !this.isVideo(r) || r.id !== video.id) | |
187 | } | |
188 | ||
189 | getLinkType (): LinkType { | |
190 | if (this.advancedSearch.searchTarget === 'search-index') { | |
191 | const remoteUriConfig = this.serverConfig.search.remoteUri | |
192 | ||
193 | // Redirect on the external instance if not allowed to fetch remote data | |
194 | if ((!this.isUserLoggedIn() && !remoteUriConfig.anonymous) || !remoteUriConfig.users) { | |
195 | return 'external' | |
196 | } | |
197 | ||
198 | return 'lazy-load' | |
199 | } | |
200 | ||
201 | return 'internal' | |
202 | } | |
203 | ||
204 | isExternalChannelUrl () { | |
205 | return this.getLinkType() === 'external' | |
206 | } | |
207 | ||
208 | getExternalChannelUrl (channel: VideoChannel) { | |
209 | // Same algorithm than videos | |
210 | if (this.getLinkType() === 'external') { | |
211 | return channel.url | |
212 | } | |
213 | ||
214 | // lazy-load or internal | |
215 | return undefined | |
216 | } | |
217 | ||
218 | getInternalChannelUrl (channel: VideoChannel) { | |
219 | const linkType = this.getLinkType() | |
220 | ||
221 | if (linkType === 'internal') { | |
222 | return [ '/c', channel.nameWithHost ] | |
223 | } | |
224 | ||
225 | if (linkType === 'lazy-load') { | |
226 | return [ '/search/lazy-load-channel', { url: channel.url } ] | |
227 | } | |
228 | ||
229 | // external | |
230 | return undefined | |
231 | } | |
232 | ||
233 | hideActions () { | |
234 | return this.lastSearchTarget === 'search-index' | |
235 | } | |
236 | ||
237 | private resetPagination () { | |
238 | this.pagination.currentPage = 1 | |
239 | this.pagination.totalItems = null | |
240 | this.channelsPerPage = 2 | |
241 | ||
242 | this.results = [] | |
243 | } | |
244 | ||
245 | private updateTitle () { | |
246 | const suffix = this.currentSearch | |
247 | ? ' ' + this.currentSearch | |
248 | : '' | |
249 | ||
250 | this.metaService.setTitle($localize`Search` + suffix) | |
251 | } | |
252 | ||
253 | private updateUrlFromAdvancedSearch () { | |
254 | const search = this.currentSearch || undefined | |
255 | ||
256 | this.router.navigate([], { | |
257 | relativeTo: this.route, | |
258 | queryParams: Object.assign({}, this.advancedSearch.toUrlObject(), { search }) | |
259 | }) | |
260 | } | |
261 | ||
262 | private getVideosObs () { | |
263 | const params = { | |
264 | search: this.currentSearch, | |
265 | componentPagination: immutableAssign(this.pagination, { itemsPerPage: this.videosPerPage }), | |
266 | advancedSearch: this.advancedSearch | |
267 | } | |
268 | ||
269 | return this.hooks.wrapObsFun( | |
270 | this.searchService.searchVideos.bind(this.searchService), | |
271 | params, | |
272 | 'search', | |
273 | 'filter:api.search.videos.list.params', | |
274 | 'filter:api.search.videos.list.result' | |
275 | ) | |
276 | } | |
277 | ||
278 | private getVideoChannelObs () { | |
279 | if (!this.currentSearch) return of({ data: [], total: 0 }) | |
280 | ||
281 | const params = { | |
282 | search: this.currentSearch, | |
283 | componentPagination: immutableAssign(this.pagination, { itemsPerPage: this.channelsPerPage }), | |
284 | searchTarget: this.advancedSearch.searchTarget | |
285 | } | |
286 | ||
287 | return this.hooks.wrapObsFun( | |
288 | this.searchService.searchVideoChannels.bind(this.searchService), | |
289 | params, | |
290 | 'search', | |
291 | 'filter:api.search.video-channels.list.params', | |
292 | 'filter:api.search.video-channels.list.result' | |
293 | ) | |
294 | } | |
295 | ||
296 | private getVideoPlaylistObs () { | |
297 | if (!this.currentSearch) return of({ data: [], total: 0 }) | |
298 | ||
299 | const params = { | |
300 | search: this.currentSearch, | |
301 | componentPagination: immutableAssign(this.pagination, { itemsPerPage: this.playlistsPerPage }), | |
302 | searchTarget: this.advancedSearch.searchTarget | |
303 | } | |
304 | ||
305 | return this.hooks.wrapObsFun( | |
306 | this.searchService.searchVideoPlaylists.bind(this.searchService), | |
307 | params, | |
308 | 'search', | |
309 | 'filter:api.search.video-playlists.list.params', | |
310 | 'filter:api.search.video-playlists.list.result' | |
311 | ) | |
312 | } | |
313 | ||
314 | private getDefaultSearchTarget (): SearchTargetType { | |
315 | const searchIndexConfig = this.serverConfig.search.searchIndex | |
316 | ||
317 | if (searchIndexConfig.enabled && (searchIndexConfig.isDefaultSearch || searchIndexConfig.disableLocalSearch)) { | |
318 | return 'search-index' | |
319 | } | |
320 | ||
321 | return 'local' | |
322 | } | |
323 | } |