33 lines
907 B
Python
33 lines
907 B
Python
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from django.utils import timezone
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from menu.models import Order
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class OrderService:
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"""订单业务逻辑"""
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@staticmethod
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def get_queryset(status_filter=None):
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"""获取订单查询集"""
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queryset = Order.objects.prefetch_related('dishes', 'dishes__category')
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if status_filter:
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queryset = queryset.filter(status=status_filter)
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return queryset
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@staticmethod
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def create_order(serializer, dish_ids):
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"""创建订单并绑定菜品"""
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if dish_ids is None:
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dish_ids = []
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order = serializer.save(dish_ids=dish_ids)
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return Order.objects.prefetch_related('dishes', 'dishes__category').get(pk=order.pk)
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@staticmethod
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def complete_order(order):
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"""完成订单"""
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order.status = 'completed'
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order.completed_at = timezone.now()
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order.save()
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return order
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