update data on url change

app/item/models.py

@@ -36,7 +36,7 @@ class Item(models.Model):
     user = models.ForeignKey(User, null=True, related_name='items', on_delete=models.CASCADE)
 
     def save(self, *args, **kwargs):
-        if self.url and not self.data:
+        if self.url and not self.data.get("url") == self.url:
             self.update_data()
         super().save(*args, **kwargs)
 
@@ -99,6 +99,7 @@ class Item(models.Model):
                     continue
                 key = key.replace('og:', '')
                 data[key] = value
+        data["url"] = self.url
         return data