From 67798a12ecb84922d4157169eb1ded4009c7a229 Mon Sep 17 00:00:00 2001
From: Jan Szejko <janek37@gmail.com>
Date: Mon, 19 Dec 2016 12:58:45 +0100
Subject: [PATCH] move gallery dir when rename gallery

---
 apps/catalogue/forms.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/apps/catalogue/forms.py b/apps/catalogue/forms.py
index a2ae86ad..40c9608e 100644
--- a/apps/catalogue/forms.py
+++ b/apps/catalogue/forms.py
@@ -138,6 +138,18 @@ class BookForm(forms.ModelForm):
         self.fields['title'].widget.attrs.update({"class": "autoslug-source"})
         return ret
 
+    def save(self, **kwargs):
+        orig_instance = Book.objects.get(pk=self.instance.pk)
+        old_gallery = orig_instance.gallery
+        new_gallery = self.cleaned_data['gallery']
+        if new_gallery != old_gallery:
+            import shutil
+            import os.path
+            from django.conf import settings
+            shutil.move(orig_instance.gallery_path(),
+                        os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, new_gallery))
+        super(BookForm, self).save(**kwargs)
+
 
 class ReadonlyBookForm(BookForm):
     """Form used for not editing a Book."""
-- 
2.20.1