Files
zhangmenu/menu/services/dish_service.py
T
DeveloperandClaude Opus 4.6 94647e2b4b perf: 性能与资源优化 - 提取内联资源、数据库查询优化、限流与缓存增强
主要优化:
- templates/index.html: 220KB → 28KB,内联CSS/JS提取为静态文件
- menu/serializers.py: 修复 Order.ingredients_summary N+1 查询问题
- menu/services/dish_service.py: 移除多余查询,添加 only() 限制字段
- menu/views.py: 上传接口添加每分钟20次限流
- static/js/api.js: 统一API错误处理
- zhangmenu/settings.py: 添加Whitenoise压缩、Redis缓存支持、环境变量配置
- static/css/app.css, static/js/app.js: 提取的内联资源文件
- 新增 migrations, requirements.txt, .env.example

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-23 17:18:59 +08:00

27 lines
810 B
Python

from django.db.models import F
from menu.models import Dish
class DishService:
"""菜品业务逻辑"""
@staticmethod
def get_queryset(category_id=None, search=None):
"""获取菜品查询集"""
queryset = Dish.objects.select_related('category').only(
'id', 'name', 'category', 'category__name', 'cover_image',
'description', 'ingredients', 'view_count', 'created_at', 'updated_at'
)
if category_id:
queryset = queryset.filter(category_id=category_id)
if search:
queryset = queryset.filter(name__icontains=search)
return queryset
@staticmethod
def increment_view_count(dish):
"""增加浏览次数"""
Dish.objects.filter(pk=dish.pk).update(view_count=F('view_count') + 1)