feat: mio_saleout

apps/sam/services.py

@@ -11,4 +11,16 @@ class SamService:
         """
         order = mio.order
         for i in MIOItem.objects.filter(mio=mio):
-            orderitem = OrderItem.objects.get(order=order, product=i.material)
+            orderitem = OrderItem.objects.get(order=order, product=i.material)
+            delivered_count = orderitem.delivered_count + i.count
+            if delivered_count > orderitem.count:
+                raise ValidationError((f'{i.material.name}-超出订单所需数量'))
+            orderitem.delivered_count = delivered_count
+            orderitem.save()
+        # 更新order的状态
+        qs = OrderItem.objects.filter(order=order, count__lte=F('delivered_count'))
+        if qs.exists():
+            pass
+        else:
+            order.state = Order.ORDER_DELIVERED
+            order.save()