From d2d0fd80a366f0bc7e754d7c7303e5b560882909 Mon Sep 17 00:00:00 2001
From: pilot <657434@03b.ru>
Date: Mon, 10 Aug 2026 14:29:10 +0800
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---
 restoran_max_bot/max_bot/models.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/restoran_max_bot/max_bot/models.py b/restoran_max_bot/max_bot/models.py
index c172db3..6b79f04 100644
--- a/restoran_max_bot/max_bot/models.py
+++ b/restoran_max_bot/max_bot/models.py
@@ -644,9 +644,8 @@ class Qr(models.Model):
 
 
 class PromoCode(models.Model):
-    objects = None
     client = models.ForeignKey(Client, on_delete=models.CASCADE)
-    promo = models.CharField(max_length=50, unique=True)
+    promo = models.CharField(max_length=50)  # без unique=True
     chat_id = models.CharField(max_length=50)
     messenger = models.CharField(max_length=20, default='max')
     used = models.BooleanField(default=False)
@@ -655,3 +654,4 @@ class PromoCode(models.Model):
 
     class Meta:
         db_table = 'lk_promo_code'
+        unique_together = ('promo', 'chat_id', 'client')  # составной уникальный ключ