X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/08e687e53ba84afd39646185142e59c6bfe77783..a9226097c8eea0591fd3249f62a71becc6d2be93:/src/api/models.py

diff --git a/src/api/models.py b/src/api/models.py
index eb234ad8b..ffa4f9be2 100644
--- a/src/api/models.py
+++ b/src/api/models.py
@@ -50,6 +50,9 @@ class BookUserData(models.Model):
     complete = models.BooleanField(default=False)
     last_changed = models.DateTimeField(auto_now=True)
 
+    class Meta:
+        unique_together = [('user', 'book')]
+
     @property
     def state(self):
         return 'complete' if self.complete else 'reading'