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

using Gameboard.ShogiUI.Sockets.Extensions;
using Gameboard.ShogiUI.Sockets.Managers.Utility;
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 Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System.Linq;
using System.Net.WebSockets;
using System.Threading.Tasks;

namespace Gameboard.ShogiUI.Sockets.Managers.ClientActionHandlers
{
  public class LoadGameHandler : IActionHandler
  {
    private readonly ILogger<LoadGameHandler> logger;
    private readonly IGameboardRepository gameboardRepository;
    private readonly ISocketCommunicationManager communicationManager;

    public LoadGameHandler(
      ILogger<LoadGameHandler> logger,
      ISocketCommunicationManager communicationManager,
      IGameboardRepository gameboardRepository)
    {
      this.logger = logger;
      this.gameboardRepository = gameboardRepository;
      this.communicationManager = communicationManager;
    }

    public async Task Handle(WebSocket socket, string json, string userName)
    {
      var request = JsonConvert.DeserializeObject<LoadGameRequest>(json);
      var getGameResponse = await gameboardRepository.GetGame(request.GameName);
      var getMovesResponse = await gameboardRepository.GetMoves(request.GameName);

      var response = new LoadGameResponse(ClientAction.LoadGame);
      if (getGameResponse == null || getMovesResponse == null)
      {
        response.Error = $"Could not find game.";
      }
      else
      {
        var sessionModel = new Session(getGameResponse.Session);
        communicationManager.SubscribeToGame(socket, sessionModel, userName);

        response.Game = sessionModel.ToServiceModel();
        response.Moves = getMovesResponse.Moves.Select(_ => Mapper.Map(_).ToServiceModel());
      }

      var serialized = JsonConvert.SerializeObject(response);
      logger.LogInformation("Response to {0} \n{1}\n", userName, serialized);
      await socket.SendTextAsync(serialized);
    }
  }
}