Merge branch 'master' of ssh://git.swordlost.top:222/SikongJueluo/FPGA_WebLab

server/src/Database.cs

@@ -133,7 +133,7 @@ public class Board
     /// </summary>
     public enum BoardStatus
     {
-        /// <summary> 
+        /// <summary>
         /// 未启用状态，无法被使用
         /// </summary>
         Disabled,
@@ -687,6 +687,31 @@ public class AppDataConnection : DataConnection
         return new(boards[0]);
     }
 
+    /// <summary>
+    /// 根据用户名获取实验板信息
+    /// </summary>
+    /// <param name="userName">用户名</param>
+    /// <returns>包含实验板信息的结果，如果未找到则返回空</returns>
+    public Result<Optional<Board>> GetBoardByUserName(string userName)
+    {
+        var boards = this.BoardTable.Where(board => board.OccupiedUserName == userName).ToArray();
+
+        if (boards.Length > 1)
+        {
+            logger.Error($"数据库中存在多个相同用户名的实验板: {userName}");
+            return new(new Exception($"数据库中存在多个相同用户名的实验板: {userName}"));
+        }
+
+        if (boards.Length == 0)
+        {
+            logger.Info($"未找到用户名对应的实验板: {userName}");
+            return new(Optional<Board>.None);
+        }
+
+        logger.Debug($"成功获取实验板信息: {userName}");
+        return new(boards[0]);
+    }
+
     /// <summary>
     /// 获取所有实验板信息
     /// </summary>