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apps/food/models.py

@@ -396,6 +396,12 @@ class Supplement(models.Model):
         return _("Supplement {food} for {dish}").format(
             food=str(self.food), dish=str(self.dish))
 
+    def save(self, *args, **kwargs):
+        # Check the owner of the food
+        if self.food.owner != self.dish.main.owner:
+            raise ValidationError(_('You cannot select food that belongs to the same club than the main food.'))
+        return super().save(*args, **kwargs)
+
 
 class Order(models.Model):
     """
@@ -471,6 +477,8 @@ class Order(models.Model):
             user=str(self.user))
 
     def save(self, *args, **kwargs):
+        if self.activity != self.dish.activity:
+            raise ValidationError(_('Activities must be the same.'))
         created = self.pk is None
         if created:
             last_order = Order.objects.filter(activity=self.activity).last()
@@ -486,6 +494,7 @@ class Order(models.Model):
                 destination=self.activity.organizer.note,
                 amount=self.amount,
                 quantity=1,
+                reason=str(self.dish),
             )
             transaction.save()
         else: