26 lines
712 B
Python
26 lines
712 B
Python
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from django.db.models import F
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from menu.models import Dish
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class DishService:
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"""菜品业务逻辑"""
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@staticmethod
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def get_queryset(category_id=None, search=None):
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"""获取菜品查询集"""
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queryset = Dish.objects.select_related('category')
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if category_id:
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queryset = queryset.filter(category_id=category_id)
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if search:
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queryset = queryset.filter(name__icontains=search)
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return queryset
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@staticmethod
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def increment_view_count(dish):
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"""增加浏览次数"""
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Dish.objects.filter(pk=dish.pk).update(view_count=F('view_count') + 1)
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dish.refresh_from_db(fields=['view_count'])
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return dish
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