orders: fixed old bugs

core/apps/orders/models/party.py

@@ -42,8 +42,8 @@ class Party(BaseModel):
     confirmation = models.CharField(max_length=20, choices=CONFIRMATION, default='EXPECTED')
     currency = models.CharField(choices=[('usd', 'usd'), ('uzs', 'uzs')], max_length=3, default='uzs')
     # percentages
-    payment_percentage = models.FloatField(null=True, blank=True)
-    process = models.FloatField(null=True, blank=True)
+    payment_percentage = models.FloatField(default=0.0)
+    process = models.FloatField(default=0.0)
 
     comment = models.TextField(null=True, blank=True)
     audit = models.CharField(
@@ -70,10 +70,7 @@ class Party(BaseModel):
         elif self.status == 'PURCHASED':
             self.process = 75
         elif self.status == 'PARTY_IS_MADE':
-            percentage = 0.0
-            for order in self.orders.all():
-                percentage += order.completion_percentage
-            self.process = percentage
+            self.process == 100
         return super().save(*args, **kwargs)
         
     class Meta: