优惠码Bug修复

app.py

@@ -706,11 +706,38 @@ class SubscriptionPlan(db.Model):
     monthly_price = db.Column(db.Numeric(10, 2), nullable=False)
     yearly_price = db.Column(db.Numeric(10, 2), nullable=False)
     features = db.Column(db.Text, nullable=True)
+    pricing_options = db.Column(db.Text, nullable=True)  # JSON格式：[{"months": 1, "price": 99}, {"months": 12, "price": 999}]
     is_active = db.Column(db.Boolean, default=True)
     sort_order = db.Column(db.Integer, default=0)
     created_at = db.Column(db.DateTime, default=beijing_now)
 
     def to_dict(self):
+        # 解析pricing_options（如果存在）
+        pricing_opts = None
+        if self.pricing_options:
+            try:
+                pricing_opts = json.loads(self.pricing_options)
+            except:
+                pricing_opts = None
+
+        # 如果没有pricing_options，则从monthly_price和yearly_price生成默认选项
+        if not pricing_opts:
+            pricing_opts = [
+                {
+                    'months': 1,
+                    'price': float(self.monthly_price) if self.monthly_price else 0,
+                    'label': '月付',
+                    'cycle_key': 'monthly'
+                },
+                {
+                    'months': 12,
+                    'price': float(self.yearly_price) if self.yearly_price else 0,
+                    'label': '年付',
+                    'cycle_key': 'yearly',
+                    'discount_percent': 20  # 年付默认20%折扣
+                }
+            ]
+
         return {
             'id': self.id,
             'name': self.name,
@@ -718,6 +745,7 @@ class SubscriptionPlan(db.Model):
             'description': self.description,
             'monthly_price': float(self.monthly_price) if self.monthly_price else 0,
             'yearly_price': float(self.yearly_price) if self.yearly_price else 0,
+            'pricing_options': pricing_opts,  # 新增：灵活计费周期选项
             'features': json.loads(self.features) if self.features else [],
             'is_active': self.is_active,
             'sort_order': self.sort_order