1 files changed, 42 insertions, 0 deletions

diff --git a/server/helpers/custom-validators/video-ownership.ts b/server/helpers/custom-validators/video-ownership.ts
new file mode 100644
index 000000000..aaa0c736b
--- /dev/null
+++ b/server/helpers/custom-validators/video-ownership.ts
@@ -0,0 +1,42 @@
+import { Response } from 'express'
+import * as validator from 'validator'
+import { VideoChangeOwnershipModel } from '../../models/video/video-change-ownership'
+import { UserModel } from '../../models/account/user'
+
+export async function doesChangeVideoOwnershipExist (id: string, res: Response): Promise<boolean> {
+  const videoChangeOwnership = await loadVideoChangeOwnership(id)
+
+  if (!videoChangeOwnership) {
+    res.status(404)
+      .json({ error: 'Video change ownership not found' })
+      .end()
+
+    return false
+  }
+
+  res.locals.videoChangeOwnership = videoChangeOwnership
+  return true
+}
+
+async function loadVideoChangeOwnership (id: string): Promise<VideoChangeOwnershipModel | undefined> {
+  if (validator.isInt(id)) {
+    return VideoChangeOwnershipModel.load(parseInt(id, 10))
+  }
+
+  return undefined
+}
+
+export function checkUserCanTerminateOwnershipChange (
+  user: UserModel,
+  videoChangeOwnership: VideoChangeOwnershipModel,
+  res: Response
+): boolean {
+  if (videoChangeOwnership.NextOwner.userId === user.Account.userId) {
+    return true
+  }
+
+  res.status(403)
+    .json({ error: 'Cannot terminate an ownership change of another user' })
+    .end()
+  return false
+}