Shogi/Gameboard.ShogiUI.Sockets/Managers/ClientActionHandlers/ListGamesHandler.cs

using Gameboard.ShogiUI.Sockets.Repositories;
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Messages;
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Types;
using System.Linq;
using System.Threading.Tasks;

namespace Gameboard.ShogiUI.Sockets.Managers.ClientActionHandlers
{
  public interface IListGamesHandler
  {
    Task Handle(ListGamesRequest request, string userName);
  }

  public class ListGamesHandler : IListGamesHandler
  {
    private readonly ISocketConnectionManager communicationManager;
    private readonly IGameboardRepository repository;

    public ListGamesHandler(
      ISocketConnectionManager communicationManager,
      IGameboardRepository repository)
    {
      this.communicationManager = communicationManager;
      this.repository = repository;
    }

    public async Task Handle(ListGamesRequest _, string userName)
    {
      var sessions = await repository.ReadSessionMetadatas();
      var games = sessions.Select(s => new Game(s.Name, s.Player1, s.Player2)).ToList();

      var response = new ListGamesResponse(ClientAction.ListGames)
      {
        Games = games
      };

      await communicationManager.BroadcastToPlayers(response, userName);
    }
  }
}