Handle express-validator error on the client side and fix #96 (#98)

* Handle express-validator error on the client side

* More meaningfull error for not supported format

1 files changed, 4 insertions, 1 deletions

diff --git a/server/middlewares/validators/videos.ts b/server/middlewares/validators/videos.ts
index deed07524..f63348e66 100644
--- a/server/middlewares/validators/videos.ts
+++ b/server/middlewares/validators/videos.ts
@@ -23,7 +23,10 @@ import {
 } from '../../helpers'
 
 const videosAddValidator = [
-  body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage('Should have a valid file'),
+  body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
+    'This file is not supported. Are you sure it is of the following type : '
+    + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME
+  ),
   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
   body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
   body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),