ShopOrderModel and ShopDailyReport system

backend/order/models.py

@@ -248,3 +248,66 @@ class OrderItemModel(models.Model):
 
     def __str__(self):
         return f'({self.product}) - ({self.order.user})'
+
+
+class ShopOrderModel(models.Model):
+    """Represents the portion of a customer Order that belongs to a single Shop.
+
+    This model is created automatically when an `OrderModel` is finalized/paid.
+    It holds aggregated financial details for that shop (subtotal, discounts,
+    commission and final payable amount).
+    """
+    order = models.ForeignKey(OrderModel, on_delete=models.CASCADE, related_name='shop_orders')
+    shop = models.ForeignKey('account.ShopModel', on_delete=models.CASCADE, related_name='shop_orders')
+    subtotal = models.BigIntegerField(verbose_name='جمع جزئیات', default=0)
+    items_count = models.PositiveIntegerField(default=0)
+    discount_amount = models.BigIntegerField(default=0, verbose_name='تخفیف اختصاصی فروشگاه')
+    special_discount_amount = models.BigIntegerField(default=0, verbose_name='تخفیف ویژه اختصاصی')
+    commission_percent = models.DecimalField(max_digits=5, decimal_places=2, verbose_name='درصد کمیسیون')
+    commission_amount = models.BigIntegerField(default=0, verbose_name='مبلغ کمیسیون')
+    tax_amount = models.BigIntegerField(default=0, verbose_name='مالیات')
+    payable_amount = models.BigIntegerField(default=0, verbose_name='قابل پرداخت به فروشگاه')
+    is_settled = models.BooleanField(default=False, verbose_name='تسویه شده')
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = 'سفارش به ازای فروشگاه'
+        verbose_name_plural = 'سفارشات به ازای فروشگاه'
+
+    def __str__(self):
+        return f'ShopOrder({self.shop.shop_name}) for Order {self.order.pk}'
+
+
+class ShopOrderItem(models.Model):
+    shop_order = models.ForeignKey(ShopOrderModel, on_delete=models.CASCADE, related_name='items')
+    order_item = models.ForeignKey(OrderItemModel, on_delete=models.PROTECT, related_name='shop_items')
+    quantity = models.PositiveIntegerField()
+    unit_price = models.BigIntegerField()
+    total_price = models.BigIntegerField()
+    discount_amount = models.BigIntegerField(default=0)
+    special_discount_amount = models.BigIntegerField(default=0)
+
+    class Meta:
+        verbose_name = 'ایتم سفارش فروشگاه'
+        verbose_name_plural = 'ایتم های سفارش فروشگاه'
+
+    def __str__(self):
+        return f'{self.order_item} for {self.shop_order}'
+
+
+class ShopDailyReport(models.Model):
+    """Daily aggregated report per shop. Run once per day to record totals."""
+    shop = models.ForeignKey('account.ShopModel', on_delete=models.CASCADE, related_name='daily_reports')
+    date = models.DateField()
+    total_sales = models.BigIntegerField(default=0)
+    total_commission = models.BigIntegerField(default=0)
+    total_payable = models.BigIntegerField(default=0)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name = 'گزارش روزانه فروشگاه'
+        verbose_name_plural = 'گزارش های روزانه فروشگاه'
+        unique_together = (('shop', 'date'),)
+
+    def __str__(self):
+        return f'Report {self.shop.shop_name} - {self.date}'