MikuSB/GameServer/Server/CallGS/Handlers/House/House_Request.cs

using System.Reflection;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.Json.Serialization;

namespace MikuSB.GameServer.Server.CallGS.Handlers.House;

[CallGSApi("House_Request")]
public class House_Request : ICallGSHandler
{
    private static readonly Dictionary<string, IHouseFuncHandler> Handlers = [];

    static House_Request()
    {
        foreach (var type in Assembly.GetExecutingAssembly().GetTypes())
        {
            foreach (var attr in type.GetCustomAttributes<HouseFuncAttribute>())
                Handlers[attr.FuncName] = (IHouseFuncHandler)Activator.CreateInstance(type)!;
        }
    }

    public async Task Handle(Connection connection, string param, ushort seqNo)
    {
        var req = JsonSerializer.Deserialize<HouseRequestParam>(param);
        if (req?.FuncName == null) return;

        if (Handlers.TryGetValue(req.FuncName, out var handler))
        {
            await handler.Handle(connection, param);
            return;
        }

        var err = new JsonObject { ["FuncName"] = req.FuncName, ["sErr"] = "error.NotImplemented" };
        await CallGSRouter.SendScript(connection, "House_Request", err.ToJsonString());
    }
}

internal sealed class HouseRequestParam
{
    [JsonPropertyName("FuncName")]
    public string? FuncName { get; set; }
}