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

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

namespace Gameboard.ShogiUI.Sockets.Managers.ClientActionHandlers
{
  // TODO: This doesn't need to be a socket action.
  // It can be an HTTP route.
  public class ListGamesHandler : IActionHandler
  {
    private readonly ISocketCommunicationManager communicationManager;
    private readonly IGameboardRepository repository;

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

    public async Task Handle(string json, string userName)
    {
      var request = JsonConvert.DeserializeObject<ListGamesRequest>(json);
      var getGamesResponse = string.IsNullOrWhiteSpace(userName)
        ? await repository.GetGames()
        : await repository.GetGames(userName);

      var games = getGamesResponse.Sessions
          .OrderBy(s => s.Player1 == userName || s.Player2 == userName)
          .Select(s => new Session(s).ToServiceModel()); // yuck

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

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