public TransactionViewModel(PWTransaction transaction)
{
if (transaction.Сounteragent == null)
{
throw new NullReferenceException("TransactionViewModel - PWTransaction has invalid property value of Сounteragent");
}
Id = transaction.Id;
AgentId = transaction.AgentId;
СounteragentId = transaction.СounteragentId;
СounteragentFullName = transaction.Сounteragent.FullName;
СounteragentUserName = transaction.Сounteragent.UserName;
TransactionAmount = transaction.TransactionAmount;
AgentBalance = transaction.AgentBalance;
OperationDateTime = transaction.OperationDateTime;
Description = transaction.Description;
}
private void AddTransactions(PWTranscationContext context)
{
var users = context.Users.Where(c => c.UserName.Contains("demo") || c.UserName.Contains("system")).ToList();
var demoUser = users.FirstOrDefault(user => user.UserName.Contains("*****@*****.**"));
var systemUser = users.FirstOrDefault(user => user.UserName.Contains("*****@*****.**"));
var demotransaction = new PWTransaction()
{
Id = Guid.NewGuid(),
AgentId = demoUser.Id,
СounteragentId = systemUser.Id,
OperationDateTime = DateTime.UtcNow.AddDays(-30),
AgentBalance = 100000,
TransactionAmount = 100000,
Description = "Bonus"
};
context.PWTransactions.Add(demotransaction);
for (int i = 0; i < users.Count; i++)
{
if (users[i] != systemUser && users[i] != demoUser)
{
PWTransaction transaction = new PWTransaction()
{
Id = Guid.NewGuid(),
AgentId = users[i].Id,
СounteragentId = systemUser.Id,
OperationDateTime = DateTime.UtcNow.AddDays(-30).AddTicks(i),
AgentBalance = 500,
TransactionAmount = 500,
Description = "Bonus"
};
context.PWTransactions.Add(transaction);
}
}
for (int i = 0; i < users.Count; i++)
{
if (users[i] != systemUser)
{
DateTime dateOper = DateTime.UtcNow.AddDays(-25).AddTicks(i);
PWTransaction transactionOne = new PWTransaction()
{
Id = Guid.NewGuid(),
AgentId = demoUser.Id,
СounteragentId = users[i].Id,
OperationDateTime = dateOper,
AgentBalance = 100000 - i * 50 - 50,
TransactionAmount = -50,
Description = ""
};
context.PWTransactions.Add(transactionOne);
PWTransaction transactionTwo = new PWTransaction()
{
Id = Guid.NewGuid(),
AgentId = users[i].Id,
СounteragentId = demoUser.Id,
OperationDateTime = dateOper,
AgentBalance = 550,
TransactionAmount = 50,
Description = ""
};
context.PWTransactions.Add(transactionTwo);
PWOperationPair operationPair = new PWOperationPair()
{
TransactionOneId = transactionOne.Id,
TransactionTwoId = transactionTwo.Id
};
context.PWOperationPairs.Add(operationPair);
}
}
}
public async Task <ActionResult <TransactionViewModel> > Transfer(TransactionModel model)
{
string agentId = _identityService.GetUserIdentity();
if (model.TransactionAmount < 0 ||
String.IsNullOrWhiteSpace(model.CounteragentId) ||
Guid.TryParse(model.CounteragentId, out var s) == false ||
agentId == model.CounteragentId)
{
return(BadRequest());
}
var agentOneLastTr = await _unitOfWork.TransactionRepository.GetLastTransaction(agentId);
var agentTwoLastTr = await _unitOfWork.TransactionRepository.GetLastTransaction(model.CounteragentId);
var operationTime = DateTime.UtcNow;
model.TransactionAmount = Decimal.Round(model.TransactionAmount, 2);
if (agentOneLastTr.AgentBalance < model.TransactionAmount)
{
ModelState.AddModelError("transactionAmount", "Agent balance less than transaction amount");
return(BadRequest(ModelState));
}
PWTransaction transactionOne = new PWTransaction()
{
Id = Guid.NewGuid(),
AgentId = agentId,
СounteragentId = model.CounteragentId,
TransactionAmount = -model.TransactionAmount,
Description = model.Description ?? "",
OperationDateTime = operationTime <= agentOneLastTr.OperationDateTime ? agentOneLastTr.OperationDateTime.AddTicks(1) : operationTime,
AgentBalance = agentOneLastTr.AgentBalance - model.TransactionAmount
};
PWTransaction transactionTwo = new PWTransaction()
{
Id = Guid.NewGuid(),
AgentId = model.CounteragentId,
СounteragentId = agentId,
TransactionAmount = model.TransactionAmount,
Description = model.Description ?? "",
OperationDateTime = operationTime <= agentTwoLastTr.OperationDateTime ? agentTwoLastTr.OperationDateTime.AddTicks(1) : operationTime,
AgentBalance = agentTwoLastTr.AgentBalance + model.TransactionAmount
};
PWOperationPair operationPair = new PWOperationPair()
{
TransactionOneId = transactionOne.Id,
TransactionTwoId = transactionTwo.Id
};
_unitOfWork.TransactionRepository.Create(transactionOne);
_unitOfWork.TransactionRepository.Create(transactionTwo);
_unitOfWork.OperationPairsRepository.Create(operationPair);
try
{
await _unitOfWork.SaveChangesAsync();
transactionOne = await _unitOfWork.TransactionRepository.GetTransactionWithInclude(agentId, transactionOne.Id);
}
catch (DbException exc)
{
_logger.LogWarning($"PostTransaction agentId: {agentId}; counteragentId: {model.CounteragentId}; transactionAmount: {model.TransactionAmount}; Error: {exc.ToString()}.");
throw;
}
return(CreatedAtAction("GetTransaction", new { id = transactionOne.Id }, new TransactionViewModel(transactionOne)));
}
