change: change cash_transaction and payment_type models

core/apps/finance/models/cash_transaction.py

@@ -19,8 +19,8 @@ class CashTransactionFolder(BaseModel):
 
 class CashTransaction(BaseModel):
     name = models.CharField(max_length=200, unique=True)
-    payment_type = models.ForeignKey(
-        PaymentType, on_delete=models.CASCADE, related_name='cash_transactions', null=True
+    payment_type = models.ManyToManyField(
+        PaymentType, related_name='cash_transactions', blank=True
     )
     employees = models.ManyToManyField(User, related_name='cash_transactions')
     status = models.BooleanField(default=False)

core/apps/finance/models/payment_type.py

@@ -6,6 +6,8 @@ from core.apps.shared.models import BaseModel
 
 class PaymentType(BaseModel):
     name = models.CharField(max_length=200, unique=True)
+    total_uzs = models.PositiveBigIntegerField(default=0)
+    total_usd = models.PositiveBigIntegerField(default=0)
 
     def __str__(self):
         return self.name