private void ProcessClient(TcpClient client)
{
while (true)
{
RequestWrapper request = null;
try
{
request = ServerEngineCore.GetRequestFromClient(client);
}
catch (Exception e)
{
Utils.Log($"Error from {client.Client.RemoteEndPoint}");
Utils.Log($"Error message: {e}");
Utils.Log("This connection will be abort");
return;
}
Utils.Log($"Request from {client.Client.RemoteEndPoint} ");
ResponseWrapper response = new ResponseWrapper();
try
{
switch (request.Command)
{
case RequestWrapper.CommandEnum.UsersCreateNew:
{
User userParamFromClient = JsonConvert.DeserializeObject <User>(request.Parameters);
if (dbManager.TableUsers.CheckLogin(userParamFromClient.Login))
{
response.Status = ResponseWrapper.StatusEnum.LogicError;
}
else
{
dbManager.TableUsers.Insert(userParamFromClient);
response.Status = ResponseWrapper.StatusEnum.Ok;
}
}
break;
case RequestWrapper.CommandEnum.UsersAuthByLoginAndPassword:
{
User userParamFromClient = JsonConvert.DeserializeObject <User>(request.Parameters);
User findedUser = dbManager.TableUsers.SelectByLoginAndPassword(userParamFromClient.Login,
userParamFromClient.Password);
if (findedUser != null)
{
response.Status = ResponseWrapper.StatusEnum.Ok;
response.Message = JsonConvert.SerializeObject(findedUser);
}
else
{
response.Status = ResponseWrapper.StatusEnum.LogicError;
}
}
break;
case RequestWrapper.CommandEnum.UsersGetAllWithoutMe:
{
int explitId = int.Parse(request.Parameters);
List <User> users = dbManager.TableUsers.GetAllUsersWithoutMe(explitId);
response.Status = ResponseWrapper.StatusEnum.Ok;
response.Message = JsonConvert.SerializeObject(users);
}
break;
case RequestWrapper.CommandEnum.UsersGetMyBalance:
{
int id = int.Parse(request.Parameters);
int balance = dbManager.TableUsers.GetMyBalance(id);
response.Status = ResponseWrapper.StatusEnum.Ok;
response.Message = balance.ToString();
}
break;
case RequestWrapper.CommandEnum.TransactionsUpMyBalance:
{
Transaction transaction = JsonConvert.DeserializeObject <Transaction>(request.Parameters);
transaction.Dt = DateTime.Now;
dbManager.TableTransactions.Insert(transaction);
dbManager.TableUsers.IncreaseBalance(transaction.UserTo.Id, transaction.Money);
response.Status = ResponseWrapper.StatusEnum.Ok;
}
break;
case RequestWrapper.CommandEnum.TransactionsMakeFromUserToUser:
{
Transaction transaction = JsonConvert.DeserializeObject <Transaction>(request.Parameters);
transaction.Dt = DateTime.Now;
dbManager.TableTransactions.Insert(transaction);
dbManager.TableUsers.IncreaseBalance(transaction.UserTo.Id, transaction.Money);
dbManager.TableUsers.DecreaseBalance(transaction.UserFrom.Id, transaction.Money);
response.Status = ResponseWrapper.StatusEnum.Ok;
}
break;
case RequestWrapper.CommandEnum.TransactionsGetMyHistory:
{
Transaction transaction = JsonConvert.DeserializeObject <Transaction>(request.Parameters);
int user1Id = transaction.UserFrom.Id;
int user2Id = transaction.UserTo.Id;
List <Transaction> transactions =
dbManager.TableTransactions.GetAllTransactionBetweenUsers(user1Id, user2Id);
response.Status = ResponseWrapper.StatusEnum.Ok;
response.Message = JsonConvert.SerializeObject(transactions);
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
catch (Exception e)
{
response.Status = ResponseWrapper.StatusEnum.SystemError;
response.Message = "Internal Server Error: " + e;
}
try
{
ServerEngineCore.SendResponseToClient(response, client);
Utils.Log($"Response to {client.Client.RemoteEndPoint}: {response} ");
}
catch (Exception exception)
{
Utils.Log($"Error from {client.Client.RemoteEndPoint}");
Utils.Log($"Error message: {exception}");
Utils.Log($"This connection will be abort");
return;
}
}
}
public ServerEngine()
{
dbManager = DBManager.GetInstance();
engineCore = new ServerEngineCore();
Utils.Log("Server started");
}
