diff options
Diffstat (limited to 'pyblackbird_cc/payments/models.py')
| -rw-r--r-- | pyblackbird_cc/payments/models.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pyblackbird_cc/payments/models.py b/pyblackbird_cc/payments/models.py index cbf462c..174e3fe 100644 --- a/pyblackbird_cc/payments/models.py +++ b/pyblackbird_cc/payments/models.py @@ -57,5 +57,8 @@ class Subscription(models.Model): start_date = models.DateTimeField(null=True, blank=True) end_date = models.DateTimeField(null=True, blank=True) + class Meta: + constraints = [models.UniqueConstraint(fields=["user", "plan"], name="unique_user_plan")] + def __str__(self): return f"Subscription for {self.user.username}" |