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5fb2e288 C |
1 | import { of } from 'rxjs' |
2 | import { first, tap, delay } from 'rxjs/operators' | |
3 | import { ListKeyManager } from '@angular/cdk/a11y' | |
4 | import { AfterViewInit, Component, ElementRef, OnDestroy, OnInit, QueryList, ViewChild, ViewChildren, AfterViewChecked } from '@angular/core' | |
4c1c1709 | 5 | import { ActivatedRoute, Params, Router } from '@angular/router' |
9677fca7 | 6 | import { AuthService, ServerService } from '@app/core' |
9677fca7 | 7 | import { ServerConfig } from '@shared/models' |
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8 | import { SearchTargetType } from '@shared/models/search/search-target-query.model' |
9 | import { SuggestionComponent, SuggestionPayload, SuggestionPayloadType } from './suggestion.component' | |
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10 | |
11 | @Component({ | |
12 | selector: 'my-search-typeahead', | |
13 | templateUrl: './search-typeahead.component.html', | |
14 | styleUrls: [ './search-typeahead.component.scss' ] | |
15 | }) | |
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16 | export class SearchTypeaheadComponent implements OnInit, AfterViewInit, AfterViewChecked, OnDestroy { |
17 | @ViewChildren(SuggestionComponent) suggestionItems: QueryList<SuggestionComponent> | |
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18 | |
19 | hasChannel = false | |
20 | inChannel = false | |
5fb2e288 | 21 | areSuggestionsOpened = true |
f409f0c3 | 22 | |
9b8a7aa8 | 23 | search = '' |
9677fca7 | 24 | serverConfig: ServerConfig |
f409f0c3 | 25 | |
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26 | inThisChannelText: string |
27 | ||
6af662a5 | 28 | keyboardEventsManager: ListKeyManager<SuggestionComponent> |
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29 | results: SuggestionPayload[] = [] |
30 | ||
31 | activeSearch: SuggestionPayloadType | |
32 | ||
33 | private scheduleKeyboardEventsInit = false | |
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34 | |
35 | constructor ( | |
36 | private authService: AuthService, | |
37 | private router: Router, | |
52cc0d54 | 38 | private route: ActivatedRoute, |
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39 | private serverService: ServerService |
40 | ) {} | |
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41 | |
42 | ngOnInit () { | |
71e75ef2 | 43 | this.route.queryParams |
36004aa7 | 44 | .pipe(first(params => this.isOnSearch() && params.search !== undefined && params.search !== null)) |
71e75ef2 | 45 | .subscribe(params => this.search = params.search) |
5fb2e288 C |
46 | } |
47 | ||
48 | ngAfterViewInit () { | |
9677fca7 | 49 | this.serverService.getConfig() |
5fb2e288 C |
50 | .subscribe(config => { |
51 | this.serverConfig = config | |
52 | ||
53 | this.computeTypeahead() | |
54 | ||
55 | this.serverService.configReloaded | |
56 | .subscribe(config => { | |
57 | this.serverConfig = config | |
58 | this.computeTypeahead() | |
59 | }) | |
60 | }) | |
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61 | } |
62 | ||
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63 | ngAfterViewChecked () { |
64 | if (this.scheduleKeyboardEventsInit && !this.keyboardEventsManager) { | |
65 | // Avoid ExpressionChangedAfterItHasBeenCheckedError errors | |
66 | setTimeout(() => this.initKeyboardEventsManager(), 0) | |
67 | } | |
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68 | } |
69 | ||
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70 | ngOnDestroy () { |
71 | if (this.keyboardEventsManager) this.keyboardEventsManager.change.unsubscribe() | |
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72 | } |
73 | ||
5fb2e288 | 74 | areInstructionsDisplayed () { |
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75 | return !this.search |
76 | } | |
77 | ||
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78 | showSearchGlobalHelp () { |
79 | return this.search && this.areSuggestionsOpened && this.keyboardEventsManager?.activeItem?.result?.type === 'search-index' | |
6af662a5 RK |
80 | } |
81 | ||
5fb2e288 | 82 | canSearchAnyURI () { |
9b8a7aa8 | 83 | if (!this.serverConfig) return false |
5fb2e288 | 84 | |
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85 | return this.authService.isLoggedIn() |
86 | ? this.serverConfig.search.remoteUri.users | |
87 | : this.serverConfig.search.remoteUri.anonymous | |
88 | } | |
89 | ||
90 | onSearchChange () { | |
5fb2e288 C |
91 | this.computeTypeahead() |
92 | } | |
93 | ||
94 | initKeyboardEventsManager () { | |
95 | if (this.keyboardEventsManager) return | |
96 | ||
97 | this.keyboardEventsManager = new ListKeyManager(this.suggestionItems) | |
98 | ||
99 | const activeIndex = this.suggestionItems.toArray().findIndex(i => i.result.default === true) | |
100 | if (activeIndex === -1) { | |
101 | console.error('Cannot find active index.', { suggestionItems: this.suggestionItems }) | |
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102 | } |
103 | ||
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104 | this.updateItemsState(activeIndex) |
105 | ||
106 | this.keyboardEventsManager.change.subscribe( | |
107 | _ => this.updateItemsState() | |
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108 | ) |
109 | } | |
110 | ||
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111 | computeTypeahead () { |
112 | const searchIndexConfig = this.serverConfig.search.searchIndex | |
113 | ||
114 | if (!this.activeSearch) { | |
3b0bd70a | 115 | if (searchIndexConfig.enabled && (searchIndexConfig.isDefaultSearch || searchIndexConfig.disableLocalSearch)) { |
5fb2e288 | 116 | this.activeSearch = 'search-index' |
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117 | } else { |
118 | this.activeSearch = 'search-instance' | |
52cc0d54 | 119 | } |
5fb2e288 C |
120 | } |
121 | ||
122 | this.areSuggestionsOpened = true | |
123 | this.results = [] | |
124 | ||
125 | if (!this.search) return | |
126 | ||
127 | if (searchIndexConfig.enabled === false || searchIndexConfig.disableLocalSearch !== true) { | |
128 | this.results.push({ | |
129 | text: this.search, | |
130 | type: 'search-instance', | |
131 | default: this.activeSearch === 'search-instance' | |
132 | }) | |
133 | } | |
134 | ||
135 | if (searchIndexConfig.enabled) { | |
136 | this.results.push({ | |
137 | text: this.search, | |
138 | type: 'search-index', | |
139 | default: this.activeSearch === 'search-index' | |
140 | }) | |
141 | } | |
142 | ||
143 | this.scheduleKeyboardEventsInit = true | |
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144 | } |
145 | ||
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146 | updateItemsState (index?: number) { |
147 | if (index !== undefined) { | |
148 | this.keyboardEventsManager.setActiveItem(index) | |
149 | } | |
8a979d73 | 150 | |
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151 | for (const item of this.suggestionItems) { |
152 | if (this.keyboardEventsManager.activeItem && this.keyboardEventsManager.activeItem === item) { | |
153 | item.active = true | |
154 | this.activeSearch = item.result.type | |
155 | continue | |
156 | } | |
8a979d73 | 157 | |
5fb2e288 | 158 | item.active = false |
6af662a5 | 159 | } |
5fb2e288 | 160 | } |
8a979d73 | 161 | |
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162 | onSuggestionlicked (payload: SuggestionPayload) { |
163 | this.doSearch(this.buildSearchTarget(payload)) | |
164 | } | |
165 | ||
166 | onSuggestionHover (index: number) { | |
167 | this.updateItemsState(index) | |
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168 | } |
169 | ||
be6343d2 | 170 | handleKey (event: KeyboardEvent) { |
8a979d73 | 171 | if (!this.keyboardEventsManager) return |
4c1c1709 | 172 | |
8a979d73 | 173 | switch (event.key) { |
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174 | case 'ArrowDown': |
175 | case 'ArrowUp': | |
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176 | event.stopPropagation() |
177 | ||
f409f0c3 | 178 | this.keyboardEventsManager.onKeydown(event) |
8a979d73 | 179 | break |
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180 | } |
181 | } | |
52cc0d54 | 182 | |
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183 | isOnSearch () { |
184 | return window.location.pathname === '/search' | |
185 | } | |
186 | ||
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187 | doSearch (searchTarget?: SearchTargetType) { |
188 | this.areSuggestionsOpened = false | |
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189 | const queryParams: Params = {} |
190 | ||
36004aa7 | 191 | if (this.isOnSearch() && this.route.snapshot.queryParams) { |
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192 | Object.assign(queryParams, this.route.snapshot.queryParams) |
193 | } | |
194 | ||
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195 | if (!searchTarget) { |
196 | searchTarget = this.buildSearchTarget(this.keyboardEventsManager.activeItem.result) | |
197 | } | |
198 | ||
199 | Object.assign(queryParams, { search: this.search, searchTarget }) | |
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200 | |
201 | const o = this.authService.isLoggedIn() | |
202 | ? this.loadUserLanguagesIfNeeded(queryParams) | |
203 | : of(true) | |
204 | ||
205 | o.subscribe(() => this.router.navigate([ '/search' ], { queryParams })) | |
206 | } | |
207 | ||
208 | private loadUserLanguagesIfNeeded (queryParams: any) { | |
209 | if (queryParams && queryParams.languageOneOf) return of(queryParams) | |
210 | ||
211 | return this.authService.userInformationLoaded | |
212 | .pipe( | |
213 | first(), | |
214 | tap(() => Object.assign(queryParams, { languageOneOf: this.authService.getUser().videoLanguages })) | |
215 | ) | |
216 | } | |
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217 | |
218 | private buildSearchTarget (result: SuggestionPayload): SearchTargetType { | |
219 | if (result.type === 'search-index') { | |
220 | return 'search-index' | |
221 | } | |
222 | ||
223 | return 'local' | |
224 | } | |
f409f0c3 | 225 | } |