报名表单

backend/community/models.py

@@ -13,6 +13,11 @@ class Activity(models.Model):
     end_time = models.DateTimeField(verbose_name="结束时间")
     location = models.CharField(max_length=100, verbose_name="活动地点")
     max_participants = models.IntegerField(default=50, verbose_name="最大报名人数")
+    
+    # 费用设置
+    is_paid = models.BooleanField(default=False, verbose_name="是否收费")
+    price = models.DecimalField(max_digits=10, decimal_places=2, default=0, verbose_name="报名费用")
+
     is_active = models.BooleanField(default=True, verbose_name="是否启用")
     
     # 常用报名信息开关
@@ -81,6 +86,9 @@ class ActivitySignup(models.Model):
         blank=True
     )
     status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='confirmed', verbose_name="状态")
+    
+    # 关联订单（针对付费活动）
+    order = models.ForeignKey('shop.Order', on_delete=models.SET_NULL, null=True, blank=True, verbose_name="关联订单", related_name='activity_signups')
 
     def __str__(self):
         return f"{self.user.nickname} - {self.activity.title}"