From b7cdf38bdc5fbff4a13a7cf1aa4f3ff1b7232368 Mon Sep 17 00:00:00 2001
From: Jan Szejko <janek37@gmail.com>
Date: Wed, 1 Feb 2017 17:06:45 +0100
Subject: [PATCH] validate cover format on document create

---
 apps/catalogue/forms.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/apps/catalogue/forms.py b/apps/catalogue/forms.py
index 9301d9b7..e6a6412f 100644
--- a/apps/catalogue/forms.py
+++ b/apps/catalogue/forms.py
@@ -51,6 +51,12 @@ class DocumentCreateForm(forms.Form):
     #
     #     return self.cleaned_data
 
+    def clean_cover(self):
+        cover = self.cleaned_data['cover']
+        if cover.name.rsplit('.', 1)[-1].lower() not in ('jpg', 'jpeg', 'png', 'gif', 'tif', 'tiff'):
+            raise forms.ValidationError('The cover should be an image file (jpg/png/gif)')
+        return file
+
 
 class DocumentsUploadForm(forms.Form):
     """
-- 
2.20.1