fix

Application/MessageRecordApplication.cs

@@ -0,0 +1,97 @@
+using Application.Dto.Message;
+using Service.Message;
+
+namespace Application;
+
+/// <summary>
+/// 消息记录应用服务接口
+/// </summary>
+public interface IMessageRecordApplication
+{
+    /// <summary>
+    /// 获取消息列表（分页）
+    /// </summary>
+    Task<MessagePagedResult> GetListAsync(int pageIndex = 1, int pageSize = 20);
+
+    /// <summary>
+    /// 获取未读消息数量
+    /// </summary>
+    Task<long> GetUnreadCountAsync();
+
+    /// <summary>
+    /// 标记为已读
+    /// </summary>
+    Task<bool> MarkAsReadAsync(long id);
+
+    /// <summary>
+    /// 全部标记为已读
+    /// </summary>
+    Task<bool> MarkAllAsReadAsync();
+
+    /// <summary>
+    /// 删除消息
+    /// </summary>
+    Task<bool> DeleteAsync(long id);
+
+    /// <summary>
+    /// 新增消息
+    /// </summary>
+    Task<bool> AddAsync(MessageRecord message);
+}
+
+/// <summary>
+/// 消息记录应用服务实现
+/// </summary>
+public class MessageRecordApplication(
+    IMessageService messageService,
+    ILogger<MessageRecordApplication> logger
+) : IMessageRecordApplication
+{
+    public async Task<MessagePagedResult> GetListAsync(int pageIndex = 1, int pageSize = 20)
+    {
+        var (list, total) = await messageService.GetPagedListAsync(pageIndex, pageSize);
+
+        return new MessagePagedResult
+        {
+            Data = list.Select(MapToResponse).ToArray(),
+            Total = (int)total
+        };
+    }
+
+    public async Task<long> GetUnreadCountAsync()
+    {
+        return await messageService.GetUnreadCountAsync();
+    }
+
+    public async Task<bool> MarkAsReadAsync(long id)
+    {
+        return await messageService.MarkAsReadAsync(id);
+    }
+
+    public async Task<bool> MarkAllAsReadAsync()
+    {
+        return await messageService.MarkAllAsReadAsync();
+    }
+
+    public async Task<bool> DeleteAsync(long id)
+    {
+        return await messageService.DeleteAsync(id);
+    }
+
+    public async Task<bool> AddAsync(MessageRecord message)
+    {
+        return await messageService.AddAsync(message);
+    }
+
+    private static MessageRecordResponse MapToResponse(MessageRecord record)
+    {
+        return new MessageRecordResponse
+        {
+            Id = record.Id,
+            Title = record.Title,
+            Content = record.Content,
+            IsRead = record.IsRead,
+            CreateTime = record.CreateTime
+        };
+    }
+}