Add ability to remove a video from a plugin

server/lib/plugins/plugin-helpers.ts

@@ -1,15 +1,18 @@
 import { PeerTubeHelpers } from '@server/typings/plugins'
 import { sequelizeTypescript } from '@server/initializers/database'
 import { buildLogger } from '@server/helpers/logger'
+import { VideoModel } from '@server/models/video/video'
 
 function buildPluginHelpers (npmName: string): PeerTubeHelpers {
   const logger = buildPluginLogger(npmName)
 
   const database = buildDatabaseHelpers()
+  const videos = buildVideosHelpers()
 
   return {
     logger,
-    database
+    database,
+    videos
   }
 }
 
@@ -28,3 +31,15 @@ function buildDatabaseHelpers () {
     query: sequelizeTypescript.query.bind(sequelizeTypescript)
   }
 }
+
+function buildVideosHelpers () {
+  return {
+    removeVideo: (id: number) => {
+      return sequelizeTypescript.transaction(async t => {
+        const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(id, t)
+
+        await video.destroy({ transaction: t })
+      })
+    }
+  }
+}