fix

core/apps/counterparty/models/conterparty.py

@@ -134,9 +134,25 @@ class CounterpartyBalance(BaseModel):
 
     @property
     def total_balance(self):
-        usd_course = Decimal(UsdCourse.objects.first().value) if UsdCourse.objects.exists() else Decimal(12000)
+        PartyAmount = apps.get_model('orders', 'PartyAmount')
-        return self.total_balance_uzs + (self.total_balance_usd * usd_course)
+        Income = apps.get_model('finance', 'Income')
+        Expense = apps.get_model('finance', 'Expense')
 
+        total = Decimal(0)
+
+        for item in PartyAmount.objects.filter(party__orders__counterparty=self.counterparty):
+            rate = item.exchange_rate or Decimal(1)
+            total += Decimal(item.calculated_amount) * rate
+
+        for inc in Income.objects.filter(counterparty=self.counterparty):
+            rate = inc.exchange_rate or Decimal(1)
+            total += Decimal(inc.price) * rate
+
+        for exp in Expense.objects.filter(counterparty=self.counterparty):
+            rate = exp.exchange_rate or Decimal(1)
+            total -= Decimal(exp.price) * rate
+
+        return total
     
     def __str__(self):
         return f"{self.counterparty.name}"