feat : RDB 기능 추가 (라이브러리, base 코드 구현)

MMOTestServer/ServerLib/RDB/Database/DbConnectionFactory.cs

@@ -0,0 +1,8 @@
+using System.Data;
+
+namespace ServerLib.RDB.Database;
+
+public interface IDbConnectionFactory
+{
+    public IDbConnection CreateConnection();
+}

MMOTestServer/ServerLib/RDB/Handlers/HelperHandler.cs

@@ -0,0 +1,22 @@
+using System.Text.Json;
+
+namespace ServerLib.RDB.Handlers;
+
+public static class HandlerHelper
+{
+    public static string Success<T>(T data)
+    {
+        return JsonSerializer.Serialize(new Response<T> { Success = true, Data = data });
+    }
+
+    public static string Error(string message)
+    {
+        return JsonSerializer.Serialize(new Response<object> { Success = false, Error = message });
+    }
+
+    public static T? Deserialize<T>(string payload)
+    {
+        try { return JsonSerializer.Deserialize<T>(payload); }
+        catch { return default; }
+    }
+}

MMOTestServer/ServerLib/RDB/Handlers/Response.cs

@@ -0,0 +1,8 @@
+namespace ServerLib.RDB.Handlers;
+
+public class Response<T>
+{
+    public bool    Success { get; init; }
+    public T?      Data    { get; init; }
+    public string? Error   { get; init; }
+}

MMOTestServer/ServerLib/RDB/Repositories/ARepository.cs

@@ -0,0 +1,90 @@
+using System.Data;
+using Dapper;
+using Dapper.Contrib.Extensions;
+using ServerLib.RDB.Database;
+
+namespace ServerLib.RDB.Repositories;
+
+public abstract class ARepository<T> where T : class
+{
+    private readonly IDbConnectionFactory factory;
+
+    protected ARepository(IDbConnectionFactory factory)
+    {
+        this.factory = factory;
+    }
+
+    protected IDbConnection CreateConnection()
+    {
+        return factory.CreateConnection();
+    }
+
+    // Dapper.Contrib 기본 CRUD
+    public async Task<T?> GetByIdAsync(int id)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.GetAsync<T>(id);
+    }
+
+    public async Task<IEnumerable<T>> GetAllAsync()
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.GetAllAsync<T>();
+    }
+
+    public async Task<long> InsertAsync(T entity)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.InsertAsync(entity);
+    }
+
+    public async Task<bool> UpdateAsync(T entity)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.UpdateAsync(entity);
+    }
+
+    public async Task<bool> DeleteAsync(T entity)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.DeleteAsync(entity);
+    }
+
+    // 커스텀 쿼리 헬퍼 (복잡한 쿼리용)
+    protected async Task<IEnumerable<T>> QueryAsync(string sql, object? param = null)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.QueryAsync<T>(sql, param);
+    }
+
+    protected async Task<T?> QueryFirstOrDefaultAsync(string sql, object? param = null)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.QueryFirstOrDefaultAsync<T>(sql, param);
+    }
+
+    protected async Task<int> ExecuteAsync(string sql, object? param = null)
+    {
+        IDbConnection conn = CreateConnection();
+        return await conn.ExecuteAsync(sql, param);
+    }
+
+    // 트랜잭션 헬퍼
+    protected async Task<TResult> WithTransactionAsync<TResult>(Func<IDbConnection, IDbTransaction, Task<TResult>> action)
+    {
+        IDbConnection conn = CreateConnection();
+        conn.Open();
+        IDbTransaction tx = conn.BeginTransaction();
+        try
+        {
+            TResult result = await action(conn, tx);
+            tx.Commit();
+            return result;
+        }
+        catch
+        {
+            tx.Rollback();
+            throw;
+        }
+    }
+}

MMOTestServer/ServerLib/ServerLib.csproj

@@ -8,7 +8,11 @@
     </PropertyGroup>
 
     <ItemGroup>
+      <PackageReference Include="Dapper" Version="2.1.66" />
+      <PackageReference Include="Dapper.Contrib" Version="2.0.78" />
       <PackageReference Include="LiteNetLib" Version="2.0.2" />
+      <PackageReference Include="MySql.Data" Version="9.6.0" />
+      <PackageReference Include="MySqlConnector" Version="2.5.0" />
       <PackageReference Include="protobuf-net" Version="3.2.56" />
       <PackageReference Include="Serilog" Version="4.3.1" />
       <PackageReference Include="Serilog.Sinks.Console" Version="6.1.1" />