closed and active quota lists - incentive plan search

apps/product/models.py

@@ -268,9 +268,6 @@ class IncentivePlan(BaseModel):
     start_date_limit = models.DateField(null=True, blank=True)
     end_date_limit = models.DateField(null=True, blank=True)
 
-    class Meta:
-        unique_together = ('name', 'registering_organization')
-
     def __str__(self):
         return self.name
 
@@ -304,6 +301,12 @@ class Quota(BaseModel):
         null=True
     )
     sale_type = models.CharField(max_length=50, choices=[("free", "آزاد"), ("gov", "دولتی")])  # noqa
+    sale_unit = models.ForeignKey(
+        SaleUnit,
+        on_delete=models.CASCADE,
+        related_name='quotas',
+        null=True
+    )
     month_choices = ArrayField(base_field=models.IntegerField(), null=True)
     group = models.CharField(
         max_length=50,
@@ -311,7 +314,6 @@ class Quota(BaseModel):
     )
     has_distribution_limit = models.BooleanField(default=False)
     distribution_mode = ArrayField(base_field=models.IntegerField(), blank=True, null=True)
-
     base_price_factory = models.DecimalField(max_digits=12, decimal_places=2)
     base_price_cooperative = models.DecimalField(max_digits=12, decimal_places=2)
     final_price = models.DecimalField(max_digits=12, decimal_places=2, null=True, blank=True)