Add validate method for PollResultFile: Validates only if exists some result file with same content

1 files changed, 7 insertions, 0 deletions

diff --git a/webapp/polls/models.py b/webapp/polls/models.py
index a44cf94..d53d578 100644
--- a/webapp/polls/models.py
+++ b/webapp/polls/models.py
@@ -1551,6 +1551,13 @@ class PollResultFile(object):
         file_path = self.file_path
         os.remove(file_path)
 
+    def validate(self):
+        poll_id = self.data['poll_id']
+        poll = Poll.get(poll_id)
+        results = poll.get_result_files()
+        hashes = [result.hash for result in results]
+        return self.hash not in hashes
+
     @property
     def hash(self):
         data = self.get_data()