Add clear_detached_signature manager method

2012-02-15 01:44:54 -04:00
parent 31c6cc3142
commit d0cdb44e2d
1 changed files with 9 additions and 0 deletions
--- a/apps/document_signatures/managers.py
+++ b/apps/document_signatures/managers.py
@@ -69,3 +69,12 @@ class DocumentVersionSignatureManager(models.Manager):
            document_descriptor.close()
            if detached_signature:
                detached_signature.close()
+                
+    def clear_detached_signature(self, document):
+        document_signature = self.get_document_signature(document)
+        if not document_signature.signature_file:
+            raise Exception('document doesn\'t have a detached signature')
+
+        document_signature.delete_detached_signature_file()
+        document_signature.signature_file = None
+        document_signature.save()