Add watch messages if live has not started

3 files changed, 70 insertions, 4 deletions

diff --git a/client/src/app/+videos/+video-watch/video-watch.component.html b/client/src/app/+videos/+video-watch/video-watch.component.html
index 0d1768aa9..13242a2bc 100644
--- a/client/src/app/+videos/+video-watch/video-watch.component.html
+++ b/client/src/app/+videos/+video-watch/video-watch.component.html
@@ -29,6 +29,14 @@
       This video will be published on {{ video.scheduledUpdate.updateAt | date: 'full' }}.
     </div>
 
+    <div i18n class="col-md-12 alert alert-info" *ngIf="isWaitingForLive()">
+      This live has not started yet.
+    </div>
+
+    <div i18n class="col-md-12 alert alert-info" *ngIf="isLiveEnded()">
+      This live is finished.
+    </div>
+
     <div class="col-md-12 alert alert-danger" *ngIf="video?.blacklisted">
       <div class="blocked-label" i18n>This video is blocked.</div>
       {{ video.blockedReason }}
@@ -113,7 +121,7 @@
                     </div>
                   </div>
 
-                  <ng-container *ngIf="!isUserLoggedIn()">
+                  <ng-container *ngIf="!isUserLoggedIn() && !isLive()">
                     <button
                       *ngIf="isVideoDownloadable()" class="action-button action-button-save"
                       (click)="showDownloadModal()" (keydown.enter)="showDownloadModal()"
diff --git a/client/src/app/+videos/+video-watch/video-watch.component.scss b/client/src/app/+videos/+video-watch/video-watch.component.scss
index b2bd04cf3..4bf5ff808 100644
--- a/client/src/app/+videos/+video-watch/video-watch.component.scss
+++ b/client/src/app/+videos/+video-watch/video-watch.component.scss
@@ -50,6 +50,8 @@ $video-info-margin-left: 44px;
 }
 
 #video-wrapper {
+  $video-height: 66vh;
+
   background-color: #000;
   display: flex;
   justify-content: center;
@@ -58,6 +60,7 @@ $video-info-margin-left: 44px;
     display: flex;
     justify-content: center;
     flex-grow: 1;
+    height: $video-height;
   }
 
   .remote-server-down {
@@ -84,7 +87,7 @@ $video-info-margin-left: 44px;
   ::ng-deep .video-js {
     width: 100%;
     max-width: getPlayerWidth(66vh);
-    height: 66vh;
+    height: $video-height;
 
     // VideoJS create an inner video player
     video {
diff --git a/client/src/app/+videos/+video-watch/video-watch.component.ts b/client/src/app/+videos/+video-watch/video-watch.component.ts
index fde32dc74..e4edb42fb 100644
--- a/client/src/app/+videos/+video-watch/video-watch.component.ts
+++ b/client/src/app/+videos/+video-watch/video-watch.component.ts
@@ -4,7 +4,17 @@ import { catchError } from 'rxjs/operators'
 import { PlatformLocation } from '@angular/common'
 import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
 import { ActivatedRoute, Router } from '@angular/router'
-import { AuthService, AuthUser, ConfirmService, MarkdownService, Notifier, RestExtractor, ServerService, UserService } from '@app/core'
+import {
+  AuthService,
+  AuthUser,
+  ConfirmService,
+  MarkdownService,
+  Notifier,
+  PeerTubeSocket,
+  RestExtractor,
+  ServerService,
+  UserService
+} from '@app/core'
 import { HooksService } from '@app/core/plugins/hooks.service'
 import { RedirectService } from '@app/core/routing/redirect.service'
 import { isXPercentInViewport, scrollToTop } from '@app/helpers'
@@ -30,6 +40,8 @@ import { environment } from '../../../environments/environment'
 import { VideoSupportComponent } from './modal/video-support.component'
 import { VideoWatchPlaylistComponent } from './video-watch-playlist.component'
 
+type URLOptions = CustomizationOptions & { playerMode: PlayerMode }
+
 @Component({
   selector: 'my-video-watch',
   templateUrl: './video-watch.component.html',
@@ -76,6 +88,7 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
   private paramsSub: Subscription
   private queryParamsSub: Subscription
   private configSub: Subscription
+  private liveVideosSub: Subscription
 
   private serverConfig: ServerConfig
 
@@ -99,6 +112,7 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
     private videoCaptionService: VideoCaptionService,
     private hotkeysService: HotkeysService,
     private hooks: HooksService,
+    private peertubeSocket: PeerTubeSocket,
     private location: PlatformLocation,
     @Inject(LOCALE_ID) private localeId: string
   ) {
@@ -165,6 +179,7 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
     if (this.paramsSub) this.paramsSub.unsubscribe()
     if (this.queryParamsSub) this.queryParamsSub.unsubscribe()
     if (this.configSub) this.configSub.unsubscribe()
+    if (this.liveVideosSub) this.liveVideosSub.unsubscribe()
 
     // Unbind hotkeys
     this.hotkeysService.remove(this.hotkeys)
@@ -306,6 +321,18 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
     return this.video && this.video.scheduledUpdate !== undefined
   }
 
+  isLive () {
+    return !!(this.video?.isLive)
+  }
+
+  isWaitingForLive () {
+    return this.video?.state.id === VideoState.WAITING_FOR_LIVE
+  }
+
+  isLiveEnded () {
+    return this.video?.state.id === VideoState.LIVE_ENDED
+  }
+
   isVideoBlur (video: Video) {
     return video.isVideoNSFWForUser(this.user, this.serverConfig)
   }
@@ -470,8 +497,10 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
   private async onVideoFetched (
     video: VideoDetails,
     videoCaptions: VideoCaption[],
-    urlOptions: CustomizationOptions & { playerMode: PlayerMode }
+    urlOptions: URLOptions
   ) {
+    this.subscribeToLiveEventsIfNeeded(this.video, video)
+
     this.video = video
     this.videoCaptions = videoCaptions
 
@@ -489,6 +518,9 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
       if (res === false) return this.location.back()
     }
 
+    const videoState = this.video.state.id
+    if (videoState === VideoState.LIVE_ENDED || videoState === VideoState.WAITING_FOR_LIVE) return
+
     // Flush old player if needed
     this.flushPlayer()
 
@@ -794,6 +826,29 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
     return !this.player.paused()
   }
 
+  private async subscribeToLiveEventsIfNeeded (oldVideo: VideoDetails, newVideo: VideoDetails) {
+    if (!this.liveVideosSub) {
+      this.liveVideosSub = this.peertubeSocket.getLiveVideosObservable()
+        .subscribe(({ payload }) => {
+          if (payload.state !== VideoState.PUBLISHED || this.video.state.id !== VideoState.WAITING_FOR_LIVE) return
+
+          const videoUUID = this.video.uuid
+
+          // Reset to refetch the video
+          this.video = undefined
+          this.loadVideo(videoUUID)
+        })
+    }
+
+    if (oldVideo && oldVideo.id !== newVideo.id) {
+      await this.peertubeSocket.unsubscribeLiveVideos(oldVideo.id)
+    }
+
+    if (!newVideo.isLive) return
+
+    await this.peertubeSocket.subscribeToLiveVideosSocket(newVideo.id)
+  }
+
   private initHotkeys () {
     this.hotkeys = [
       // These hotkeys are managed by the player