client/src/app/app.component.ts

   1 import { Hotkey, HotkeysService } from 'angular2-hotkeys'
   2 import { filter, map, switchMap } from 'rxjs/operators'
   3 import { DOCUMENT, getLocaleDirection, PlatformLocation } from '@angular/common'
   4 import { AfterViewInit, Component, Inject, LOCALE_ID, OnInit, ViewChild } from '@angular/core'
   5 import { DomSanitizer, SafeHtml } from '@angular/platform-browser'
   6 import { Event, GuardsCheckStart, RouteConfigLoadEnd, RouteConfigLoadStart, Router } from '@angular/router'
   7 import {
   8   AuthService,
   9   MarkdownService,
  10   PeerTubeRouterService,
  11   RedirectService,
  12   ScreenService,
  13   ScrollService,
  14   ServerService,
  15   ThemeService,
  16   User
  17 } from '@app/core'
  18 import { HooksService } from '@app/core/plugins/hooks.service'
  19 import { PluginService } from '@app/core/plugins/plugin.service'
  20 import { CustomModalComponent } from '@app/modal/custom-modal.component'
  21 import { InstanceConfigWarningModalComponent } from '@app/modal/instance-config-warning-modal.component'
  22 import { WelcomeModalComponent } from '@app/modal/welcome-modal.component'
  23 import { NgbConfig, NgbModal } from '@ng-bootstrap/ng-bootstrap'
  24 import { LoadingBarService } from '@ngx-loading-bar/core'
  25 import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
  26 import { getShortLocale } from '@shared/core-utils/i18n'
  27 import { BroadcastMessageLevel, HTMLServerConfig, ServerConfig, UserRole } from '@shared/models'
  28 import { MenuService } from './core/menu/menu.service'
  29 import { POP_STATE_MODAL_DISMISS } from './helpers'
  30 import { InstanceService } from './shared/shared-instance'
  31
  32 @Component({
  33   selector: 'my-app',
  34   templateUrl: './app.component.html',
  35   styleUrls: [ './app.component.scss' ]
  36 })
  37 export class AppComponent implements OnInit, AfterViewInit {
  38   private static BROADCAST_MESSAGE_KEY = 'app-broadcast-message-dismissed'
  39
  40   @ViewChild('welcomeModal') welcomeModal: WelcomeModalComponent
  41   @ViewChild('instanceConfigWarningModal') instanceConfigWarningModal: InstanceConfigWarningModalComponent
  42   @ViewChild('customModal') customModal: CustomModalComponent
  43
  44   customCSS: SafeHtml
  45   broadcastMessage: { message: string, dismissable: boolean, class: string } | null = null
  46
  47   private serverConfig: HTMLServerConfig
  48
  49   constructor (
  50     @Inject(DOCUMENT) private document: Document,
  51     @Inject(LOCALE_ID) private localeId: string,
  52     private router: Router,
  53     private authService: AuthService,
  54     private serverService: ServerService,
  55     private peertubeRouter: PeerTubeRouterService,
  56     private pluginService: PluginService,
  57     private instanceService: InstanceService,
  58     private domSanitizer: DomSanitizer,
  59     private redirectService: RedirectService,
  60     private screenService: ScreenService,
  61     private hotkeysService: HotkeysService,
  62     private themeService: ThemeService,
  63     private hooks: HooksService,
  64     private location: PlatformLocation,
  65     private modalService: NgbModal,
  66     private markdownService: MarkdownService,
  67     private ngbConfig: NgbConfig,
  68     private loadingBar: LoadingBarService,
  69     private scrollService: ScrollService,
  70     public menu: MenuService
  71   ) {
  72     this.ngbConfig.animation = false
  73   }
  74
  75   get instanceName () {
  76     return this.serverConfig.instance.name
  77   }
  78
  79   goToDefaultRoute () {
  80     return this.router.navigateByUrl(this.redirectService.getDefaultRoute())
  81   }
  82
  83   ngOnInit () {
  84     document.getElementById('incompatible-browser').className += ' browser-ok'
  85
  86     this.serverConfig = this.serverService.getHTMLConfig()
  87
  88     this.hooks.runAction('action:application.init', 'common')
  89     this.themeService.initialize()
  90
  91     this.authService.loadClientCredentials()
  92
  93     if (this.isUserLoggedIn()) {
  94       // The service will automatically redirect to the login page if the token is not valid anymore
  95       this.authService.refreshUserInformation()
  96     }
  97
  98     this.initRouteEvents()
  99     this.scrollService.enableScrollRestoration()
 100
 101     this.injectJS()
 102     this.injectCSS()
 103     this.injectBroadcastMessage()
 104
 105     this.serverService.configReloaded
 106       .subscribe(config => {
 107         this.serverConfig = config
 108
 109         this.injectBroadcastMessage()
 110         this.injectCSS()
 111
 112         // Don't reinject JS since it could conflict with existing one
 113       })
 114
 115     this.initHotkeys()
 116
 117     this.location.onPopState(() => this.modalService.dismissAll(POP_STATE_MODAL_DISMISS))
 118
 119     this.openModalsIfNeeded()
 120
 121     this.document.documentElement.lang = getShortLocale(this.localeId)
 122     this.document.documentElement.dir = getLocaleDirection(this.localeId)
 123   }
 124
 125   ngAfterViewInit () {
 126     this.pluginService.initializeCustomModal(this.customModal)
 127   }
 128
 129   getToggleTitle () {
 130     if (this.menu.isDisplayed()) return $localize`Close the left menu`
 131
 132     return $localize`Open the left menu`
 133   }
 134
 135   isUserLoggedIn () {
 136     return this.authService.isLoggedIn()
 137   }
 138
 139   hideBroadcastMessage () {
 140     peertubeLocalStorage.setItem(AppComponent.BROADCAST_MESSAGE_KEY, this.serverConfig.broadcastMessage.message)
 141
 142     this.broadcastMessage = null
 143     this.screenService.isBroadcastMessageDisplayed = false
 144   }
 145
 146   private initRouteEvents () {
 147     const eventsObs = this.router.events
 148
 149     // Plugin hooks
 150     this.peertubeRouter.getNavigationEndEvents().subscribe(e => {
 151       this.hooks.runAction('action:router.navigation-end', 'common', { path: e.url })
 152     })
 153
 154     // Automatically hide/display the menu
 155     eventsObs.pipe(
 156       filter((e: Event): e is GuardsCheckStart => e instanceof GuardsCheckStart),
 157       filter(() => this.screenService.isInSmallView() || this.screenService.isInTouchScreen())
 158     ).subscribe(() => this.menu.setMenuDisplay(false)) // User clicked on a link in the menu, change the page
 159
 160     // Handle lazy loaded module
 161     eventsObs.pipe(
 162       filter((e: Event): e is RouteConfigLoadStart => e instanceof RouteConfigLoadStart)
 163     ).subscribe(() => this.loadingBar.useRef().start())
 164
 165     eventsObs.pipe(
 166       filter((e: Event): e is RouteConfigLoadEnd => e instanceof RouteConfigLoadEnd)
 167     ).subscribe(() => this.loadingBar.useRef().complete())
 168   }
 169
 170   private async injectBroadcastMessage () {
 171     this.broadcastMessage = null
 172     this.screenService.isBroadcastMessageDisplayed = false
 173
 174     const messageConfig = this.serverConfig.broadcastMessage
 175
 176     if (messageConfig.enabled) {
 177       // Already dismissed this message?
 178       if (messageConfig.dismissable && localStorage.getItem(AppComponent.BROADCAST_MESSAGE_KEY) === messageConfig.message) {
 179         return
 180       }
 181
 182       const classes: { [id in BroadcastMessageLevel]: string } = {
 183         info: 'alert-info',
 184         warning: 'alert-warning',
 185         error: 'alert-danger'
 186       }
 187
 188       this.broadcastMessage = {
 189         message: await this.markdownService.unsafeMarkdownToHTML(messageConfig.message, true),
 190         dismissable: messageConfig.dismissable,
 191         class: classes[messageConfig.level]
 192       }
 193
 194       this.screenService.isBroadcastMessageDisplayed = true
 195     }
 196   }
 197
 198   private injectJS () {
 199     // Inject JS
 200     if (this.serverConfig.instance.customizations.javascript) {
 201       try {
 202         /* eslint-disable no-eval */
 203         eval(this.serverConfig.instance.customizations.javascript)
 204       } catch (err) {
 205         console.error('Cannot eval custom JavaScript.', err)
 206       }
 207     }
 208   }
 209
 210   private injectCSS () {
 211     const headStyle = document.querySelector('style.custom-css-style')
 212     if (headStyle) headStyle.parentNode.removeChild(headStyle)
 213
 214     // We test customCSS if the admin removed the css
 215     if (this.customCSS || this.serverConfig.instance.customizations.css) {
 216       const styleTag = '<style>' + this.serverConfig.instance.customizations.css + '</style>'
 217       this.customCSS = this.domSanitizer.bypassSecurityTrustHtml(styleTag)
 218     }
 219   }
 220
 221   private async openModalsIfNeeded () {
 222     this.authService.userInformationLoaded
 223         .pipe(
 224           map(() => this.authService.getUser()),
 225           filter(user => user.role === UserRole.ADMINISTRATOR),
 226           switchMap(user => {
 227             return this.serverService.getConfig()
 228               .pipe(map(serverConfig => ({ serverConfig, user })))
 229           })
 230         ).subscribe(({ serverConfig, user }) => this._openAdminModalsIfNeeded(serverConfig, user))
 231   }
 232
 233   private async _openAdminModalsIfNeeded (serverConfig: ServerConfig, user: User) {
 234     if (user.noWelcomeModal !== true) return this.welcomeModal.show()
 235
 236     if (user.noInstanceConfigWarningModal === true || !serverConfig.signup.allowed) return
 237
 238     this.instanceService.getAbout()
 239       .subscribe(about => {
 240         if (
 241           this.serverConfig.instance.name.toLowerCase() === 'peertube' ||
 242           !about.instance.terms ||
 243           !about.instance.administrator ||
 244           !about.instance.maintenanceLifetime
 245         ) {
 246           this.instanceConfigWarningModal.show(about)
 247         }
 248       })
 249   }
 250
 251   private initHotkeys () {
 252     this.hotkeysService.add([
 253       new Hotkey([ '/', 's' ], (event: KeyboardEvent): boolean => {
 254         document.getElementById('search-video').focus()
 255         return false
 256       }, undefined, $localize`Focus the search bar`),
 257
 258       new Hotkey('b', (event: KeyboardEvent): boolean => {
 259         this.menu.toggleMenu()
 260         return false
 261       }, undefined, $localize`Toggle the left menu`),
 262
 263       new Hotkey('g o', (event: KeyboardEvent): boolean => {
 264         this.router.navigate([ '/videos/overview' ])
 265         return false
 266       }, undefined, $localize`Go to the discover videos page`),
 267
 268       new Hotkey('g t', (event: KeyboardEvent): boolean => {
 269         this.router.navigate([ '/videos/trending' ])
 270         return false
 271       }, undefined, $localize`Go to the trending videos page`),
 272
 273       new Hotkey('g r', (event: KeyboardEvent): boolean => {
 274         this.router.navigate([ '/videos/recently-added' ])
 275         return false
 276       }, undefined, $localize`Go to the recently added videos page`),
 277
 278       new Hotkey('g l', (event: KeyboardEvent): boolean => {
 279         this.router.navigate([ '/videos/local' ])
 280         return false
 281       }, undefined, $localize`Go to the local videos page`),
 282
 283       new Hotkey('g u', (event: KeyboardEvent): boolean => {
 284         this.router.navigate([ '/videos/upload' ])
 285         return false
 286       }, undefined, $localize`Go to the videos upload page`)
 287     ])
 288   }
 289 }