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1 | import { Observable, of, Subject } from 'rxjs' | |
2 | import { first, map, share, shareReplay, switchMap, tap } from 'rxjs/operators' | |
3 | import { HttpClient } from '@angular/common/http' | |
4 | import { Inject, Injectable, LOCALE_ID } from '@angular/core' | |
5 | import { getDevLocale, isOnDevLocale, sortBy } from '@app/helpers' | |
6 | import { logger } from '@root-helpers/logger' | |
7 | import { getCompleteLocale, isDefaultLocale, peertubeTranslate } from '@shared/core-utils/i18n' | |
8 | import { HTMLServerConfig, ServerConfig, ServerStats, VideoConstant } from '@shared/models' | |
9 | import { environment } from '../../../environments/environment' | |
10 | ||
11 | @Injectable() | |
12 | export class ServerService { | |
13 | private static BASE_CONFIG_URL = environment.apiUrl + '/api/v1/config/' | |
14 | private static BASE_VIDEO_URL = environment.apiUrl + '/api/v1/videos/' | |
15 | private static BASE_VIDEO_PLAYLIST_URL = environment.apiUrl + '/api/v1/video-playlists/' | |
16 | private static BASE_LOCALE_URL = environment.apiUrl + '/client/locales/' | |
17 | private static BASE_STATS_URL = environment.apiUrl + '/api/v1/server/stats' | |
18 | ||
19 | configReloaded = new Subject<ServerConfig>() | |
20 | ||
21 | private localeObservable: Observable<any> | |
22 | private videoLicensesObservable: Observable<VideoConstant<number>[]> | |
23 | private videoCategoriesObservable: Observable<VideoConstant<number>[]> | |
24 | private videoPrivaciesObservable: Observable<VideoConstant<number>[]> | |
25 | private videoPlaylistPrivaciesObservable: Observable<VideoConstant<number>[]> | |
26 | private videoLanguagesObservable: Observable<VideoConstant<string>[]> | |
27 | private configObservable: Observable<ServerConfig> | |
28 | ||
29 | private configReset = false | |
30 | ||
31 | private configLoaded = false | |
32 | private config: ServerConfig | |
33 | private htmlConfig: HTMLServerConfig | |
34 | ||
35 | constructor ( | |
36 | private http: HttpClient, | |
37 | @Inject(LOCALE_ID) private localeId: string | |
38 | ) { | |
39 | } | |
40 | ||
41 | loadHTMLConfig () { | |
42 | try { | |
43 | return this.loadHTMLConfigLocally() | |
44 | } catch (err) { | |
45 | // Expected in dev mode since we can't inject the config in the HTML | |
46 | if (environment.production !== false) { | |
47 | logger.error('Cannot load config locally. Fallback to API.') | |
48 | } | |
49 | ||
50 | return this.getConfig() | |
51 | } | |
52 | } | |
53 | ||
54 | getServerVersionAndCommit () { | |
55 | const serverVersion = this.config.serverVersion | |
56 | const commit = this.config.serverCommit || '' | |
57 | ||
58 | let result = serverVersion | |
59 | if (commit) result += '...' + commit | |
60 | ||
61 | return result | |
62 | } | |
63 | ||
64 | resetConfig () { | |
65 | this.configLoaded = false | |
66 | this.configReset = true | |
67 | ||
68 | // Notify config update | |
69 | return this.getConfig() | |
70 | } | |
71 | ||
72 | getConfig () { | |
73 | if (this.configLoaded) return of(this.config) | |
74 | ||
75 | if (!this.configObservable) { | |
76 | this.configObservable = this.http.get<ServerConfig>(ServerService.BASE_CONFIG_URL) | |
77 | .pipe( | |
78 | tap(config => { | |
79 | this.config = config | |
80 | this.htmlConfig = config | |
81 | this.configLoaded = true | |
82 | }), | |
83 | tap(config => { | |
84 | if (this.configReset) { | |
85 | this.configReloaded.next(config) | |
86 | this.configReset = false | |
87 | } | |
88 | }), | |
89 | share() | |
90 | ) | |
91 | } | |
92 | ||
93 | return this.configObservable | |
94 | } | |
95 | ||
96 | getHTMLConfig () { | |
97 | return this.htmlConfig | |
98 | } | |
99 | ||
100 | getVideoCategories () { | |
101 | if (!this.videoCategoriesObservable) { | |
102 | this.videoCategoriesObservable = this.loadAttributeEnum<number>(ServerService.BASE_VIDEO_URL, 'categories', true) | |
103 | } | |
104 | ||
105 | return this.videoCategoriesObservable.pipe(first()) | |
106 | } | |
107 | ||
108 | getVideoLicences () { | |
109 | if (!this.videoLicensesObservable) { | |
110 | this.videoLicensesObservable = this.loadAttributeEnum<number>(ServerService.BASE_VIDEO_URL, 'licences') | |
111 | } | |
112 | ||
113 | return this.videoLicensesObservable.pipe(first()) | |
114 | } | |
115 | ||
116 | getVideoLanguages () { | |
117 | if (!this.videoLanguagesObservable) { | |
118 | this.videoLanguagesObservable = this.loadAttributeEnum<string>(ServerService.BASE_VIDEO_URL, 'languages', true) | |
119 | } | |
120 | ||
121 | return this.videoLanguagesObservable.pipe(first()) | |
122 | } | |
123 | ||
124 | getVideoPrivacies () { | |
125 | if (!this.videoPrivaciesObservable) { | |
126 | this.videoPrivaciesObservable = this.loadAttributeEnum<number>(ServerService.BASE_VIDEO_URL, 'privacies') | |
127 | } | |
128 | ||
129 | return this.videoPrivaciesObservable.pipe(first()) | |
130 | } | |
131 | ||
132 | getVideoPlaylistPrivacies () { | |
133 | if (!this.videoPlaylistPrivaciesObservable) { | |
134 | this.videoPlaylistPrivaciesObservable = this.loadAttributeEnum<number>(ServerService.BASE_VIDEO_PLAYLIST_URL, 'privacies') | |
135 | } | |
136 | ||
137 | return this.videoPlaylistPrivaciesObservable.pipe(first()) | |
138 | } | |
139 | ||
140 | getServerLocale () { | |
141 | if (!this.localeObservable) { | |
142 | const completeLocale = isOnDevLocale() ? getDevLocale() : getCompleteLocale(this.localeId) | |
143 | ||
144 | // Default locale, nothing to translate | |
145 | if (isDefaultLocale(completeLocale)) { | |
146 | this.localeObservable = of({}).pipe(shareReplay()) | |
147 | } else { | |
148 | this.localeObservable = this.http | |
149 | .get(ServerService.BASE_LOCALE_URL + completeLocale + '/server.json') | |
150 | .pipe(shareReplay()) | |
151 | } | |
152 | } | |
153 | ||
154 | return this.localeObservable.pipe(first()) | |
155 | } | |
156 | ||
157 | getServerStats () { | |
158 | return this.http.get<ServerStats>(ServerService.BASE_STATS_URL) | |
159 | } | |
160 | ||
161 | private loadAttributeEnum <T extends string | number> ( | |
162 | baseUrl: string, | |
163 | attributeName: 'categories' | 'licences' | 'languages' | 'privacies', | |
164 | sort = false | |
165 | ) { | |
166 | return this.getServerLocale() | |
167 | .pipe( | |
168 | switchMap(translations => { | |
169 | return this.http.get<{ [ id: string ]: string }>(baseUrl + attributeName) | |
170 | .pipe(map(data => ({ data, translations }))) | |
171 | }), | |
172 | map(({ data, translations }) => { | |
173 | const hashToPopulate: VideoConstant<T>[] = Object.keys(data) | |
174 | .map(dataKey => { | |
175 | const label = data[dataKey] | |
176 | ||
177 | const id = attributeName === 'languages' | |
178 | ? dataKey as T | |
179 | : parseInt(dataKey, 10) as T | |
180 | ||
181 | return { | |
182 | id, | |
183 | label: peertubeTranslate(label, translations) | |
184 | } | |
185 | }) | |
186 | ||
187 | if (sort === true) sortBy(hashToPopulate, 'label') | |
188 | ||
189 | return hashToPopulate | |
190 | }), | |
191 | shareReplay() | |
192 | ) | |
193 | } | |
194 | ||
195 | private loadHTMLConfigLocally () { | |
196 | const configString = window['PeerTubeServerConfig'] | |
197 | if (!configString) { | |
198 | throw new Error('Could not find PeerTubeServerConfig in HTML') | |
199 | } | |
200 | ||
201 | this.htmlConfig = JSON.parse(configString) | |
202 | } | |
203 | } |