public async Task <string> JoinGameAsync(string accessCode, User user)
{
var org = await _OrganizationLogic.GetOrganizationByUserAsync(user.UserId).ConfigureAwait(false);
if (org == null)
{
// Organization unknown
return(null);
}
//Get game
var game = await _GameDataAccess.GetGameByAccessCodeAsync(accessCode).ConfigureAwait(false);
if (game == null)
{
// Game doesnt exist or code is wrong
return(null);
}
if (!game.OrganizationId.Equals(org.OrganizationId))
{
// User not in the organization
return(null);
}
if (game.State != GameStatusEnum.WaitingForPlayers)
{
// Game already started or finished
return(null);
}
if (game.PlayerIds.Contains(user.UserId))
{
// Player already in game
return(null);
}
// Double check access code
if (game.AccessCode.Equals(accessCode, StringComparison.OrdinalIgnoreCase))
{
var addPlayerResult = await _GameDataAccess.AddPlayerToGameAsync(game.GameId, user.UserId).ConfigureAwait(false);
if (addPlayerResult)
{
return(game.GameId);
}
}
//Code is wrong
return(null);
}