Fix video files duplicated when fps is null

Null values are not considered equal in a UNIQUE index

server/initializers/constants.ts

@@ -16,7 +16,7 @@ let config: IConfig = require('config')
 
 // ---------------------------------------------------------------------------
 
-const LAST_MIGRATION_VERSION = 270
+const LAST_MIGRATION_VERSION = 275
 
 // ---------------------------------------------------------------------------
 

server/initializers/migrations/0275-video-file-unique.ts

@@ -0,0 +1,34 @@
+import * as Sequelize from 'sequelize'
+
+async function up (utils: {
+  transaction: Sequelize.Transaction
+  queryInterface: Sequelize.QueryInterface
+  sequelize: Sequelize.Sequelize
+}): Promise<any> {
+  {
+    const query = 'DELETE FROM "videoFile" vf1 USING "videoFile" vf2 WHERE vf1.id < vf2.id ' +
+      'AND vf1."videoId" = vf2."videoId" AND vf1.resolution = vf2.resolution AND vf1.fps IS NULL'
+    await utils.sequelize.query(query)
+  }
+
+  {
+    const query = 'UPDATE "videoFile" SET fps = -1 WHERE fps IS NULL;'
+    await utils.sequelize.query(query)
+  }
+
+  {
+    const data = {
+      type: Sequelize.INTEGER,
+      allowNull: false,
+      defaultValue: -1
+    }
+    await utils.queryInterface.changeColumn('videoFile', 'fps', data)
+  }
+
+}
+
+function down (options) {
+  throw new Error('Not implemented.')
+}
+
+export { up, down }

server/lib/activitypub/videos.ts

@@ -478,7 +478,7 @@ function videoFileActivityUrlToDBAttributes (videoCreated: VideoModel, videoObje
       resolution: fileUrl.height,
       size: fileUrl.size,
       videoId: videoCreated.id,
-      fps: fileUrl.fps
+      fps: fileUrl.fps || -1
     } as VideoFileModel
     attributes.push(attribute)
   }

server/models/account/account.ts

@@ -19,7 +19,6 @@ import { isAccountDescriptionValid } from '../../helpers/custom-validators/accou
 import { sendDeleteActor } from '../../lib/activitypub/send'
 import { ActorModel } from '../activitypub/actor'
 import { ApplicationModel } from '../application/application'
-import { AvatarModel } from '../avatar/avatar'
 import { ServerModel } from '../server/server'
 import { getSort, throwIfNotValid } from '../utils'
 import { VideoChannelModel } from '../video/video-channel'

server/models/video/video-file.ts

@@ -66,8 +66,8 @@ export class VideoFileModel extends Model<VideoFileModel> {
   @Column
   infoHash: string
 
-  @AllowNull(true)
-  @Default(null)
+  @AllowNull(false)
+  @Default(-1)
   @Is('VideoFileFPS', value => throwIfNotValid(value, isVideoFPSResolutionValid, 'fps'))
   @Column
   fps: number