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

using Gameboard.Shogi.Api.ServiceModels.Messages;
using Gameboard.ShogiUI.Sockets.Extensions;
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.Net.WebSockets;
using System.Threading.Tasks;

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

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

    public async Task Handle(WebSocket socket, string json, string userName)
    {
      logger.LogInformation("Socket Request \n{0}\n", new[] { json });
      var request = JsonConvert.DeserializeObject<CreateGameRequest>(json);
      var postSessionResponse = await repository.PostSession(new PostSession
      {
        SessionName = request.GameName,
        PlayerName = userName, // TODO : Investigate if needed by UI
        IsPrivate = request.IsPrivate
      });

      var response = new CreateGameResponse(request.Action)
      {
        PlayerName = userName,
        Game = new Game
        {
          GameName = postSessionResponse.SessionName,
          Players = new string[] { userName }
        }
      };

      if (string.IsNullOrWhiteSpace(postSessionResponse.SessionName))
      {
        response.Error = "Game already exists.";
      }

      var serialized = JsonConvert.SerializeObject(response);
      logger.LogInformation("Socket Response \n{0}\n", new[] { serialized });
      if (request.IsPrivate)
      {
        await socket.SendTextAsync(serialized);
      }
      else
      {
        await communicationManager.BroadcastToAll(serialized);
      }
    }
  }
}