feat: 城市手册后端完成 - 用户/区域/内容/服务/审核系统

city-manual/backend/services/models.py

@@ -0,0 +1,143 @@
+from django.db import models
+from django.conf import settings
+from django.utils import timezone
+
+
+class FeaturedService(models.Model):
+    """特色服务表"""
+    CATEGORY_CHOICES = [
+        ('clothing', '衣'),
+        ('food', '食'),
+        ('housing', '住'),
+        ('transportation', '行'),
+        ('entertainment', '娱乐'),
+        ('tourism', '旅游'),
+        ('culture', '文化'),
+    ]
+    
+    AUDIT_STATUS_CHOICES = [
+        ('pending', '待审核'),
+        ('approved', '通过'),
+        ('rejected', '拒绝'),
+    ]
+    
+    PUBLISH_STATUS_CHOICES = [
+        ('draft', '未发布'),
+        ('published', '已发布'),
+    ]
+    
+    name = models.CharField('服务名称', max_length=200)
+    description = models.TextField('服务描述')
+    region = models.ForeignKey(
+        'regions.Region',
+        on_delete=models.CASCADE,
+        related_name='featured_services',
+        verbose_name='所属区域'
+    )
+    category = models.CharField('服务分类', max_length=20, choices=CATEGORY_CHOICES)
+    
+    # 详细信息
+    address = models.CharField('地址', max_length=300, blank=True)
+    contact = models.CharField('联系方式', max_length=100, blank=True)
+    website = models.URLField('网站', blank=True)
+    price_range = models.CharField('价格区间', max_length=50, blank=True)
+    opening_hours = models.TextField('营业时间', blank=True)
+    
+    # 提交者
+    submitter = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+        related_name='submitted_services',
+        verbose_name='提交者'
+    )
+    
+    # 版主审核
+    moderator_reviewer = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        null=True,
+        blank=True,
+        on_delete=models.SET_NULL,
+        related_name='reviewed_services',
+        verbose_name='版主审核人'
+    )
+    moderator_reviewed_at = models.DateTimeField('版主审核时间', null=True, blank=True)
+    moderator_status = models.CharField('版主审核状态', max_length=20, choices=AUDIT_STATUS_CHOICES, default='pending')
+    moderator_comment = models.TextField('版主审核意见', blank=True)
+    
+    # AI 审核
+    ai_status = models.CharField('AI 审核状态', max_length=20, choices=AUDIT_STATUS_CHOICES, default='pending')
+    ai_reviewed_at = models.DateTimeField('AI 审核时间', null=True, blank=True)
+    ai_comment = models.TextField('AI 审核意见', blank=True)
+    
+    # 发布状态
+    publish_status = models.CharField('发布状态', max_length=20, choices=PUBLISH_STATUS_CHOICES, default='draft')
+    
+    # 统计数据
+    view_count = models.PositiveIntegerField('浏览次数', default=0)
+    rating_average = models.DecimalField('平均评分', max_digits=3, decimal_places=2, default=0)
+    rating_count = models.PositiveIntegerField('评分次数', default=0)
+    
+    created_at = models.DateTimeField('创建时间', auto_now_add=True)
+    updated_at = models.DateTimeField('更新时间', auto_now=True)
+    
+    class Meta:
+        verbose_name = '特色服务'
+        verbose_name_plural = '特色服务'
+        ordering = ['-created_at']
+    
+    def __str__(self):
+        return self.name
+    
+    def submit_for_moderator_review(self):
+        """提交版主审核"""
+        self.moderator_status = 'pending'
+        self.save()
+    
+    def approve_by_moderator(self, moderator, comment=''):
+        """版主审核通过"""
+        self.moderator_reviewer = moderator
+        self.moderator_status = 'approved'
+        self.moderator_comment = comment
+        self.moderator_reviewed_at = timezone.now()
+        self.save()
+        # 自动提交到 AI 审核
+        self.submit_for_ai_review()
+    
+    def reject_by_moderator(self, moderator, comment=''):
+        """版主审核拒绝"""
+        self.moderator_reviewer = moderator
+        self.moderator_status = 'rejected'
+        self.moderator_comment = comment
+        self.moderator_reviewed_at = timezone.now()
+        self.publish_status = 'draft'
+        self.save()
+    
+    def submit_for_ai_review(self):
+        """提交 AI 审核（版主通过后自动调用）"""
+        if self.moderator_status == 'approved':
+            self.ai_status = 'pending'
+            self.save()
+    
+    def approve_by_ai(self, comment=''):
+        """AI 审核通过"""
+        self.ai_status = 'approved'
+        self.ai_comment = comment
+        self.ai_reviewed_at = timezone.now()
+        self.publish_status = 'published'
+        self.save()
+    
+    def reject_by_ai(self, comment=''):
+        """AI 审核拒绝"""
+        self.ai_status = 'rejected'
+        self.ai_comment = comment
+        self.ai_reviewed_at = timezone.now()
+        self.publish_status = 'draft'
+        self.save()
+    
+    def update_rating(self):
+        """更新平均评分"""
+        ratings = self.ratings.all()
+        if ratings.exists():
+            self.rating_average = sum(r.score for r in ratings) / ratings.count()
+            self.rating_count = ratings.count()
+            self.save()