Locks: prevent edit actions

1 files changed, 8 insertions, 1 deletions

diff --git a/archaeological_files/forms.py b/archaeological_files/forms.py
index 8f18de29e..640e2cab1 100644
--- a/archaeological_files/forms.py
+++ b/archaeological_files/forms.py
@@ -140,7 +140,14 @@ class FileFormSelection(forms.Form):
         cleaned_data = self.cleaned_data
         if 'pk' not in cleaned_data or not cleaned_data['pk']:
             raise forms.ValidationError(_(u"You should select a file."))
-        return cleaned_data
+        pk = self.cleaned_data["pk"]
+        try:
+            file = models.File.objects.get(pk=pk)
+        except models.File.DoesNotExist:
+            raise forms.ValidationError(_("Invalid selection."))
+        if file.locked:
+            raise forms.ValidationError(_("This file is locked for edition."))
+        return self.cleaned_data
 
 
 DATE_SOURCE = (('creation', _(u"Creation date")),