feat: 支付完成后自动为用户充值VIP并支持按商品类型计算有效期

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Enums/GoodsTypeEnum.cs

@@ -10,10 +10,12 @@ namespace Yi.Framework.AiHub.Domain.Shared.Enums;
 public class PriceAttribute : Attribute
 {
     public decimal Price { get; }
+    public int ValidMonths { get; }
     
-    public PriceAttribute(double price)
+    public PriceAttribute(double price, int validMonths)
     {
         Price = (decimal)price;
+        ValidMonths = validMonths;
     }
 }
 
@@ -36,23 +38,23 @@ public class DisplayNameAttribute : Attribute
 /// </summary>
 public enum GoodsTypeEnum
 {
-    [Price(0.01)]
+    [Price(0.01, 1)]
     [DisplayName("YiXinVip Test")]
     YiXinVipTest = 0,
     
-    [Price(29.9)]
+    [Price(29.9, 1)]
     [DisplayName("YiXinVip 1 month")]
     YiXinVip1 = 1,
 
-    [Price(80.7)]
+    [Price(80.7, 3)]
     [DisplayName("YiXinVip 3 month")]
     YiXinVip3 = 3,
 
-    [Price(143.9)]
+    [Price(143.9, 6)]
     [DisplayName("YiXinVip 6 month")]
     YiXinVip6 = 6,
 
-    [Price(199.9)]
+    [Price(199.9, 10)]
     [DisplayName("YiXinVip 10 month")]
     YiXinVip10 = 10
 }
@@ -93,4 +95,28 @@ public static class GoodsTypeEnumExtensions
         var displayNameAttribute = fieldInfo?.GetCustomAttribute<DisplayNameAttribute>();
         return displayNameAttribute?.DisplayName ?? goodsType.ToString();
     }
+    
+    /// <summary>
+    /// 获取商品有效月份
+    /// </summary>
+    /// <param name="goodsType">商品类型</param>
+    /// <returns>有效月份</returns>
+    public static int GetValidMonths(this GoodsTypeEnum goodsType)
+    {
+        var fieldInfo = goodsType.GetType().GetField(goodsType.ToString());
+        var priceAttribute = fieldInfo?.GetCustomAttribute<PriceAttribute>();
+        return priceAttribute?.ValidMonths ?? 1;
+    }
+    
+    /// <summary>
+    /// 获取商品月均价格
+    /// </summary>
+    /// <param name="goodsType">商品类型</param>
+    /// <returns>月均价格</returns>
+    public static decimal GetMonthlyPrice(this GoodsTypeEnum goodsType)
+    {
+        var totalPrice = goodsType.GetTotalAmount();
+        var validMonths = goodsType.GetValidMonths();
+        return validMonths > 0 ? totalPrice / validMonths : 0m;
+    }
 }