add party model

core/apps/orders/models/party.py

@@ -0,0 +1,25 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.orders.models.order import Order
+from core.apps.accounts.models import User
+
+
+class Party(BaseModel):
+    orders = models.ManyToManyField(Order, related_name='parties', null=True, blank=True)
+    mediator = models.ForeignKey(User, on_delete=models.CASCADE, related_name='parties')
+    delivery_date = models.DateField()
+    payment_date = models.DateField()
+    comment = models.TextField(null=True, blank=True)
+    audit = models.CharField(
+        max_length=20, choices=[('CHECKED', 'tekshirildi'),('PROCESS', 'jarayonda')],
+        null=True, blank=True
+    )
+    audit_comment = models.TextField(null=True, blank=True)
+
+    def __str__(self):
+        return f'{self.mediator.full_name} {self.delivery_date}'
+    
+    class Meta:
+        verbose_name = 'Partiya'
+        verbose_name_plural = 'Partiyalar'