Author: post merge duplicate authors on save - prevent duplicate in form validation

1 files changed, 9 insertions, 0 deletions

diff --git a/ishtar_common/forms_common.py b/ishtar_common/forms_common.py
index dd55f95b4..486d25fcf 100644
--- a/ishtar_common/forms_common.py
+++ b/ishtar_common/forms_common.py
@@ -1425,6 +1425,15 @@ class AuthorForm(ManageOldType, NewItemForm):
             initial=self.init_data.get('author_type'))
         self.limit_fields()
 
+    def clean(self):
+        person_id = self.cleaned_data.get("person", None)
+        author_type_id = self.cleaned_data.get("author_type", None)
+        if not person_id or not author_type_id:
+            return self.cleaned_data
+        if models.Author.objects.filter(author_type_id=author_type_id,
+                                        person_id=person_id).count():
+            raise forms.ValidationError(_("This author already exist."))
+
     def save(self, user):
         dct = self.cleaned_data
         dct['author_type'] = models.AuthorType.objects.get(