Files
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

86 lines
3.3 KiB
Python

from django.db import models
class DishCategory(models.Model):
"""菜品分类"""
name = models.CharField(max_length=50, unique=True, verbose_name="分类名称")
icon = models.CharField(max_length=50, blank=True, verbose_name="图标类名")
order = models.IntegerField(default=0, verbose_name="排序")
class Meta:
verbose_name = "菜品分类"
verbose_name_plural = "菜品分类"
ordering = ['order', 'id']
def __str__(self):
return self.name
class Dish(models.Model):
"""菜品"""
name = models.CharField(max_length=100, verbose_name="菜品名称")
category = models.ForeignKey(DishCategory, on_delete=models.SET_NULL, null=True, blank=True, related_name='dishes', verbose_name="分类", db_index=True)
cover_image = models.CharField(max_length=500, blank=True, null=True, verbose_name="封面图URL")
description = models.TextField(blank=True, verbose_name="做法描述(Markdown格式)")
ingredients = models.JSONField(default=list, verbose_name="材料清单")
view_count = models.IntegerField(default=0, verbose_name="浏览次数")
created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
class Meta:
verbose_name = "菜品"
verbose_name_plural = "菜品"
ordering = ['-created_at']
indexes = [
models.Index(fields=['name']),
models.Index(fields=['-created_at']),
]
def __str__(self):
return self.name
class Order(models.Model):
"""订单"""
STATUS_CHOICES = [
('in_progress', '进行中'),
('completed', '已完成'),
]
name = models.CharField(max_length=100, verbose_name="订单名称")
dishes = models.ManyToManyField(Dish, related_name='orders', verbose_name="菜品")
status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='in_progress', verbose_name="状态")
party_date = models.DateTimeField(null=True, blank=True, verbose_name="聚会时间", db_index=True)
participants = models.JSONField(default=list, verbose_name="参与人员")
created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
completed_at = models.DateTimeField(null=True, blank=True, verbose_name="完成时间")
note = models.TextField(blank=True, verbose_name="备注")
images = models.JSONField(default=list, verbose_name="聚会照片")
class Meta:
verbose_name = "订单"
verbose_name_plural = "订单"
ordering = ['-created_at']
indexes = [
models.Index(fields=['status', '-created_at']),
models.Index(fields=['party_date']),
]
def __str__(self):
return self.name
def get_ingredients_summary(self):
"""汇总所有菜品需要的材料"""
summary = {}
for dish in self.dishes.all():
for ing in dish.ingredients:
name = ing.get('name', '').strip()
amount = ing.get('amount', '').strip()
if name:
if name in summary:
if amount:
summary[name] += f" + {amount}"
else:
summary[name] = amount
return [{'name': k, 'amount': v} for k, v in summary.items()]