修改测试迁移

2024-09-12 23:51:51 +08:00
parent c9b1e5f92a
commit 603f6e095c
15 changed files with 616 additions and 107 deletions
@@ -0,0 +1,50 @@
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Microsoft.EntityFrameworkCore.Metadata.Conventions;
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+
+namespace IRaCIS.Core.Test.CodeFirstTest.PGSQL.Migrations
+{
+    /// <summary>
+    /// Efcore 最新支持批量配置字符串类型长度作为保底的    官网参考：https://learn.microsoft.com/zh-cn/ef/core/modeling/bulk-configuration#conventions
+    /// </summary>
+    public class MaxStringLengthConvention : IModelFinalizingConvention
+    {
+        public void ProcessModelFinalizing(IConventionModelBuilder modelBuilder, IConventionContext<IConventionModelBuilder> context)
+        {
+            foreach (var property in modelBuilder.Metadata.GetEntityTypes()
+                         .SelectMany(
+                             entityType => entityType.GetDeclaredProperties()
+                                 .Where(
+                                     property => property.ClrType == typeof(string))))
+            {
+
+                // 获取 MaxLength 特性
+                var maxLengthAttribute = property.PropertyInfo?.GetCustomAttributes(typeof(MaxLengthAttribute), false)
+                                       .FirstOrDefault() as MaxLengthAttribute;
+
+                // 获取 StringLength 特性
+                var stringLengthAttribute = property.PropertyInfo?.GetCustomAttributes(typeof(StringLengthAttribute), false)
+                                          .FirstOrDefault() as StringLengthAttribute;
+
+                // 输出调试信息，看看是哪种特性生效
+                if (stringLengthAttribute != null)
+                {
+                    Console.WriteLine($"{property.Name}: StringLength({stringLengthAttribute.MaximumLength})");
+                    property.Builder.HasMaxLength(stringLengthAttribute.MaximumLength);
+                }
+                else if (maxLengthAttribute != null)
+                {
+                    Console.WriteLine($"{property.Name}: MaxLength (no specific length, allowing max)");
+                }
+                else
+                {
+                    Console.WriteLine($"{property.Name}: Default length 200");
+                    property.Builder.HasMaxLength(200);
+                }
+            }
+        }
+    }
+
+}