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1 | import { forkJoin, Subject, 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 { validateHost } from '@app/shared/form-validators/host-validators' | |
8 | import { Video, VideoChannel } from '@app/shared/shared-main' | |
9 | import { AdvancedSearch, SearchService } from '@app/shared/shared-search' | |
10 | import { MiniatureDisplayOptions } from '@app/shared/shared-video-miniature' | |
11 | import { VideoPlaylist } from '@app/shared/shared-video-playlist' | |
12 | import { HTMLServerConfig, SearchTargetType } from '@shared/models' | |
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 { | |
20 | error: string | |
21 | ||
22 | results: (Video | VideoChannel | VideoPlaylist)[] = [] | |
23 | ||
24 | pagination = { | |
25 | currentPage: 1, | |
26 | totalItems: null as number | |
27 | } | |
28 | advancedSearch: AdvancedSearch = new AdvancedSearch() | |
29 | isSearchFilterCollapsed = true | |
30 | currentSearch: string | |
31 | ||
32 | videoDisplayOptions: MiniatureDisplayOptions = { | |
33 | date: true, | |
34 | views: true, | |
35 | by: true, | |
36 | avatar: false, | |
37 | privacyLabel: false, | |
38 | privacyText: false, | |
39 | state: false, | |
40 | blacklistInfo: false | |
41 | } | |
42 | ||
43 | errorMessage: string | |
44 | ||
45 | userMiniature: User | |
46 | ||
47 | onSearchDataSubject = new Subject<any>() | |
48 | ||
49 | private subActivatedRoute: Subscription | |
50 | private isInitialLoad = false // set to false to show the search filters on first arrival | |
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 | |
75 | .subscribe({ | |
76 | next: queryParams => { | |
77 | const querySearch = queryParams['search'] | |
78 | const searchTarget = queryParams['searchTarget'] | |
79 | ||
80 | // Search updated, reset filters | |
81 | if (this.currentSearch !== querySearch || searchTarget !== this.advancedSearch.searchTarget) { | |
82 | this.resetPagination() | |
83 | this.advancedSearch.reset() | |
84 | ||
85 | this.currentSearch = querySearch || undefined | |
86 | this.updateTitle() | |
87 | } | |
88 | ||
89 | this.advancedSearch = new AdvancedSearch(queryParams) | |
90 | if (!this.advancedSearch.searchTarget) { | |
91 | this.advancedSearch.searchTarget = this.getDefaultSearchTarget() | |
92 | } | |
93 | ||
94 | this.error = this.checkFieldsAndGetError() | |
95 | ||
96 | // Don't hide filters if we have some of them AND the user just came on the webpage, or we have an error | |
97 | this.isSearchFilterCollapsed = !this.error && (this.isInitialLoad === false || !this.advancedSearch.containsValues()) | |
98 | this.isInitialLoad = false | |
99 | ||
100 | this.search() | |
101 | }, | |
102 | ||
103 | error: err => this.notifier.error(err.message) | |
104 | }) | |
105 | ||
106 | this.userService.getAnonymousOrLoggedUser() | |
107 | .subscribe(user => this.userMiniature = user) | |
108 | ||
109 | this.hooks.runAction('action:search.init', 'search') | |
110 | } | |
111 | ||
112 | ngOnDestroy () { | |
113 | if (this.subActivatedRoute) this.subActivatedRoute.unsubscribe() | |
114 | } | |
115 | ||
116 | isVideoChannel (d: VideoChannel | Video | VideoPlaylist): d is VideoChannel { | |
117 | return d instanceof VideoChannel | |
118 | } | |
119 | ||
120 | isVideo (v: VideoChannel | Video | VideoPlaylist): v is Video { | |
121 | return v instanceof Video | |
122 | } | |
123 | ||
124 | isPlaylist (v: VideoChannel | Video | VideoPlaylist): v is VideoPlaylist { | |
125 | return v instanceof VideoPlaylist | |
126 | } | |
127 | ||
128 | isUserLoggedIn () { | |
129 | return this.authService.isLoggedIn() | |
130 | } | |
131 | ||
132 | search () { | |
133 | this.error = this.checkFieldsAndGetError() | |
134 | if (this.error) return | |
135 | ||
136 | this.isSearching = true | |
137 | ||
138 | forkJoin([ | |
139 | this.getVideoChannelObs(), | |
140 | this.getVideoPlaylistObs(), | |
141 | this.getVideosObs() | |
142 | ]).subscribe({ | |
143 | next: results => { | |
144 | for (const result of results) { | |
145 | this.results = this.results.concat(result.data) | |
146 | } | |
147 | ||
148 | this.pagination.totalItems = results.reduce((p, r) => p += r.total, 0) | |
149 | this.lastSearchTarget = this.advancedSearch.searchTarget | |
150 | ||
151 | this.hasMoreResults = this.results.length < this.pagination.totalItems | |
152 | ||
153 | this.onSearchDataSubject.next(results) | |
154 | }, | |
155 | ||
156 | error: err => { | |
157 | if (this.advancedSearch.searchTarget !== 'search-index') { | |
158 | this.notifier.error(err.message) | |
159 | return | |
160 | } | |
161 | ||
162 | this.notifier.error( | |
163 | $localize`Search index is unavailable. Retrying with instance results instead.`, | |
164 | $localize`Search error` | |
165 | ) | |
166 | this.advancedSearch.searchTarget = 'local' | |
167 | this.search() | |
168 | }, | |
169 | ||
170 | complete: () => { | |
171 | this.isSearching = false | |
172 | } | |
173 | }) | |
174 | } | |
175 | ||
176 | onNearOfBottom () { | |
177 | // Last page | |
178 | if (!this.hasMoreResults || this.isSearching) return | |
179 | ||
180 | this.pagination.currentPage += 1 | |
181 | this.search() | |
182 | } | |
183 | ||
184 | onFiltered () { | |
185 | this.resetPagination() | |
186 | ||
187 | this.updateUrlFromAdvancedSearch() | |
188 | } | |
189 | ||
190 | numberOfFilters () { | |
191 | return this.advancedSearch.size() | |
192 | } | |
193 | ||
194 | // Add VideoChannel/VideoPlaylist for typings, but the template already checks "video" argument is a video | |
195 | removeVideoFromArray (video: Video | VideoChannel | VideoPlaylist) { | |
196 | this.results = this.results.filter(r => !this.isVideo(r) || r.id !== video.id) | |
197 | } | |
198 | ||
199 | getLinkType (): LinkType { | |
200 | if (this.advancedSearch.searchTarget === 'search-index') { | |
201 | const remoteUriConfig = this.serverConfig.search.remoteUri | |
202 | ||
203 | // Redirect on the external instance if not allowed to fetch remote data | |
204 | if ((!this.isUserLoggedIn() && !remoteUriConfig.anonymous) || !remoteUriConfig.users) { | |
205 | return 'external' | |
206 | } | |
207 | ||
208 | return 'lazy-load' | |
209 | } | |
210 | ||
211 | return 'internal' | |
212 | } | |
213 | ||
214 | isExternalChannelUrl () { | |
215 | return this.getLinkType() === 'external' | |
216 | } | |
217 | ||
218 | getExternalChannelUrl (channel: VideoChannel) { | |
219 | // Same algorithm than videos | |
220 | if (this.getLinkType() === 'external') { | |
221 | return channel.url | |
222 | } | |
223 | ||
224 | // lazy-load or internal | |
225 | return undefined | |
226 | } | |
227 | ||
228 | getInternalChannelUrl (channel: VideoChannel) { | |
229 | const linkType = this.getLinkType() | |
230 | ||
231 | if (linkType === 'internal') { | |
232 | return [ '/c', channel.nameWithHost ] | |
233 | } | |
234 | ||
235 | if (linkType === 'lazy-load') { | |
236 | return [ '/search/lazy-load-channel', { url: channel.url } ] | |
237 | } | |
238 | ||
239 | // external | |
240 | return undefined | |
241 | } | |
242 | ||
243 | hideActions () { | |
244 | return this.lastSearchTarget === 'search-index' | |
245 | } | |
246 | ||
247 | private resetPagination () { | |
248 | this.pagination.currentPage = 1 | |
249 | this.pagination.totalItems = null | |
250 | ||
251 | this.results = [] | |
252 | } | |
253 | ||
254 | private updateTitle () { | |
255 | const title = this.currentSearch | |
256 | ? $localize`Search ${this.currentSearch}` | |
257 | : $localize`Search` | |
258 | ||
259 | this.metaService.setTitle(title) | |
260 | } | |
261 | ||
262 | private updateUrlFromAdvancedSearch () { | |
263 | const search = this.currentSearch || undefined | |
264 | ||
265 | this.router.navigate([], { | |
266 | relativeTo: this.route, | |
267 | queryParams: Object.assign({}, this.advancedSearch.toUrlObject(), { search }) | |
268 | }) | |
269 | } | |
270 | ||
271 | private getVideosObs () { | |
272 | const params = { | |
273 | search: this.currentSearch, | |
274 | componentPagination: immutableAssign(this.pagination, { itemsPerPage: 10 }), | |
275 | advancedSearch: this.advancedSearch | |
276 | } | |
277 | ||
278 | return this.hooks.wrapObsFun( | |
279 | this.searchService.searchVideos.bind(this.searchService), | |
280 | params, | |
281 | 'search', | |
282 | 'filter:api.search.videos.list.params', | |
283 | 'filter:api.search.videos.list.result' | |
284 | ) | |
285 | } | |
286 | ||
287 | private getVideoChannelObs () { | |
288 | const params = { | |
289 | search: this.currentSearch, | |
290 | componentPagination: immutableAssign(this.pagination, { itemsPerPage: this.buildChannelsPerPage() }), | |
291 | advancedSearch: this.advancedSearch | |
292 | } | |
293 | ||
294 | return this.hooks.wrapObsFun( | |
295 | this.searchService.searchVideoChannels.bind(this.searchService), | |
296 | params, | |
297 | 'search', | |
298 | 'filter:api.search.video-channels.list.params', | |
299 | 'filter:api.search.video-channels.list.result' | |
300 | ) | |
301 | } | |
302 | ||
303 | private getVideoPlaylistObs () { | |
304 | const params = { | |
305 | search: this.currentSearch, | |
306 | componentPagination: immutableAssign(this.pagination, { itemsPerPage: this.buildPlaylistsPerPage() }), | |
307 | advancedSearch: this.advancedSearch | |
308 | } | |
309 | ||
310 | return this.hooks.wrapObsFun( | |
311 | this.searchService.searchVideoPlaylists.bind(this.searchService), | |
312 | params, | |
313 | 'search', | |
314 | 'filter:api.search.video-playlists.list.params', | |
315 | 'filter:api.search.video-playlists.list.result' | |
316 | ) | |
317 | } | |
318 | ||
319 | private getDefaultSearchTarget (): SearchTargetType { | |
320 | const searchIndexConfig = this.serverConfig.search.searchIndex | |
321 | ||
322 | if (searchIndexConfig.enabled && (searchIndexConfig.isDefaultSearch || searchIndexConfig.disableLocalSearch)) { | |
323 | return 'search-index' | |
324 | } | |
325 | ||
326 | return 'local' | |
327 | } | |
328 | ||
329 | private checkFieldsAndGetError () { | |
330 | if (this.advancedSearch.host && !validateHost(this.advancedSearch.host)) { | |
331 | return $localize`PeerTube instance host filter is invalid` | |
332 | } | |
333 | ||
334 | return undefined | |
335 | } | |
336 | ||
337 | private buildChannelsPerPage () { | |
338 | if (this.advancedSearch.resultType === 'channels') return 10 | |
339 | ||
340 | return 2 | |
341 | } | |
342 | ||
343 | private buildPlaylistsPerPage () { | |
344 | if (this.advancedSearch.resultType === 'playlists') return 10 | |
345 | ||
346 | return 2 | |
347 | } | |
348 | } |