order apilar qoshildi

core/apps/orders/models/__init__.py

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+from .product import *
+from .order_item import *
+from .order import *

core/apps/orders/models/order.py

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+from django.db import models
+
+# shared
+from core.apps.shared.models import BaseModel, Pharmacy
+# accounts
+from core.apps.accounts.models import User
+
+
+
+class Order(BaseModel):
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='orders')
+    pharmacy = models.ForeignKey(Pharmacy, on_delete=models.CASCADE, related_name='orders')
+
+    total_price = models.DecimalField(decimal_places=2, max_digits=15)
+    paid_price = models.DecimalField(decimal_places=2, max_digits=15)
+    advance = models.FloatField()
+    employee_name = models.CharField(max_length=200)
+
+    def __str__(self):
+        return f'#{self.id} from {self.user.first_name}, total_price - {self.total_price}, paid - {self.paid_price}'
+    

core/apps/orders/models/order_item.py

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+from django.db import models
+
+# shared
+from core.apps.shared.models import BaseModel
+
+
+class OrderItem(BaseModel):
+    product = models.ForeignKey('orders.Product', on_delete=models.CASCADE, related_name='order_items')
+    order = models.ForeignKey('orders.Order', on_delete=models.CASCADE, related_name='order_items')
+
+    quantity = models.PositiveIntegerField(default=0)
+    total_price = models.DecimalField(max_digits=15, decimal_places=2)
+
+    def __str__(self):
+        return f'{self.product.name} - {self.quantity}x' 

core/apps/orders/models/product.py

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+from django.db import models
+
+# shared
+from core.apps.shared.models import BaseModel
+
+
+class Product(BaseModel):
+    name = models.CharField(max_length=200)
+    price = models.DecimalField(decimal_places=2, max_digits=15)
+    
+    def __str__(self):
+        return self.name