fix

core/apps/finance/models/expence_contract.py

@@ -0,0 +1,34 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.accounts.models import User
+from core.apps.finance.models import ExpenceType
+from core.apps.counterparty.models import Counterparty
+
+
+class ExpenceContract(BaseModel):
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='expence_contracts')
+    project_folder = models.ForeignKey(
+        'projects.ProjectFolder', on_delete=models.CASCADE, related_name='expence_contracts'
+    )
+    project = models.ForeignKey(
+        'projects.Project', on_delete=models.SET_NULL, related_name='expence_contracts', null=True, blank=True
+    )
+    expence_type = models.ForeignKey(
+        ExpenceType, on_delete=models.SET_NULL, related_name='expence_contracts', null=True, blank=True
+    )
+    counterparty = models.ForeignKey(
+        Counterparty, on_delete=models.SET_NULL, related_name='expence_contracts', null=True, blank=True
+    )
+
+    price = models.PositiveBigIntegerField()
+    currency = models.CharField(max_length=3, choices=[('uzs', 'uzs'), ('usd', 'usd')])
+    date = models.DateField()
+    comment = models.TextField(null=True, blank=True)
+
+    def __str__(self):
+        return f'{self.counterparty} chiqim shartnomasa: {self.price} {self.currency}'
+    
+    class Meta:
+        verbose_name = 'Chiqim Shartnomasi'
+        verbose_name_plural = 'Chiqim Shartnomalari'