Automatically update playlist thumbnails

3 files changed, 27 insertions, 2 deletions

diff --git a/server/models/video/thumbnail.ts b/server/models/video/thumbnail.ts
index 8faf0adba..b767a6874 100644
--- a/server/models/video/thumbnail.ts
+++ b/server/models/video/thumbnail.ts
@@ -44,6 +44,10 @@ export class ThumbnailModel extends Model<ThumbnailModel> {
   @Column
   fileUrl: string
 
+  @AllowNull(true)
+  @Column
+  automaticallyGenerated: boolean
+
   @ForeignKey(() => VideoModel)
   @Column
   videoId: number
@@ -88,7 +92,7 @@ export class ThumbnailModel extends Model<ThumbnailModel> {
   }
 
   @AfterDestroy
-  static removeFilesAndSendDelete (instance: ThumbnailModel) {
+  static removeFiles (instance: ThumbnailModel) {
     logger.info('Removing %s file %s.', ThumbnailModel.types[instance.type].label, instance.filename)
 
     // Don't block the transaction
diff --git a/server/models/video/video-playlist-element.ts b/server/models/video/video-playlist-element.ts
index bed6f8eaf..dd7653533 100644
--- a/server/models/video/video-playlist-element.ts
+++ b/server/models/video/video-playlist-element.ts
@@ -218,6 +218,24 @@ export class VideoPlaylistElementModel extends Model<VideoPlaylistElementModel>
       })
   }
 
+  static loadFirstElementWithVideoThumbnail (videoPlaylistId: number) {
+    const query = {
+      order: getSort('position'),
+      where: {
+        videoPlaylistId
+      },
+      include: [
+        {
+          model: VideoModel.scope(VideoScopeNames.WITH_THUMBNAILS),
+          required: true
+        }
+      ]
+    }
+
+    return VideoPlaylistElementModel
+      .findOne(query)
+  }
+
   static getNextPositionOf (videoPlaylistId: number, transaction?: Transaction) {
     const query: AggregateOptions<number> = {
       where: {
diff --git a/server/models/video/video-playlist.ts b/server/models/video/video-playlist.ts
index 61ff78bd2..c8e97c491 100644
--- a/server/models/video/video-playlist.ts
+++ b/server/models/video/video-playlist.ts
@@ -265,7 +265,6 @@ export class VideoPlaylistModel extends Model<VideoPlaylistModel> {
   VideoPlaylistElements: VideoPlaylistElementModel[]
 
   @HasOne(() => ThumbnailModel, {
-
     foreignKey: {
       name: 'videoPlaylistId',
       allowNull: true
@@ -434,6 +433,10 @@ export class VideoPlaylistModel extends Model<VideoPlaylistModel> {
     return !!this.Thumbnail
   }
 
+  hasGeneratedThumbnail () {
+    return this.hasThumbnail() && this.Thumbnail.automaticallyGenerated === true
+  }
+
   generateThumbnailName () {
     const extension = '.jpg'