public string TopUp([FromUri(Name = "account_id")] int?accId, decimal?amount)
{
int _accId;
if (!accId.HasValue ||
(accId.HasValue ? !int.TryParse(accId.Value.ToString(), out _accId) : false) ||
accId.Value < 1)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.INVALID_REQUEST,
Status = Enum.GetName(typeof(OperationCode), OperationCode.INVALID_REQUEST),
Message = "Указан некорректный параметр запроса"
}));
}
decimal _amount;
if (!amount.HasValue ||
(amount.HasValue ? !decimal.TryParse(amount.Value.ToString(), out _amount) : false) ||
amount.Value <= 0)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.INVALID_REQUEST,
Status = Enum.GetName(typeof(OperationCode), OperationCode.INVALID_REQUEST),
Message = "Указан некорректный параметр запроса"
}));
}
//Получение информации о счете
Account acc = new Account();
using (AccountQuery accQuery = new AccountQuery())
acc = accQuery.GetAccount(accId.Value);
if (acc == null)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.SERVICE_ERROR,
Status = Enum.GetName(typeof(OperationCode), OperationCode.NOT_FOUND),
Message = "Счет для проведения транзакции не найден"
}));
}
decimal currBalance = acc.Balance;
try
{
acc.Balance += amount.Value;
using (AccountQuery accQuery = new AccountQuery())
accQuery.UpdateEntity(acc);
using (AccountHistoryQuery accHistQuery = new AccountHistoryQuery())
accHistQuery.CreateEntity(new AccountHistory()
{
AccId = acc.Id,
ChangedAt = DateTime.Now,
Amount = acc.Balance
});
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.OK,
Status = Enum.GetName(typeof(OperationCode), OperationCode.OK),
Message = $"Внесение средств на счет в сумме {amount.Value}. Баланс счета {acc.Balance}"
}));
}
catch (Exception ex)
{
//Откат операции
using (AccountQuery accQuery = new AccountQuery())
{
acc.Balance = currBalance;
accQuery.UpdateEntity(acc);
}
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.SERVICE_ERROR,
Status = Enum.GetName(typeof(OperationCode), OperationCode.SERVICE_ERROR),
Message = $"Внутренняя ошибка работы сервиса. {ex.Message}"
}));
}
}
public string Transfer([FromUri(Name = "source_account_id")] int?srcAccId,
[FromUri(Name = "destination_account_id")] int?destAccId,
decimal?amount)
{
int _accId;
if (!srcAccId.HasValue ||
(srcAccId.HasValue ? !int.TryParse(srcAccId.Value.ToString(), out _accId) : false) ||
srcAccId.Value < 1)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.NOT_FOUND,
Status = Enum.GetName(typeof(OperationCode), OperationCode.NOT_FOUND),
Message = "Указан некорректный параметр запроса"
}));
}
if (!destAccId.HasValue ||
(destAccId.HasValue ? !int.TryParse(destAccId.Value.ToString(), out _accId) : false) ||
destAccId.Value < 1)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.NOT_FOUND,
Status = Enum.GetName(typeof(OperationCode), OperationCode.NOT_FOUND),
Message = "Указан некорректный параметр запроса"
}));
}
decimal _amount;
if (!amount.HasValue ||
(amount.HasValue ? !decimal.TryParse(amount.Value.ToString(), out _amount) : false) ||
amount.Value <= 0)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.NOT_FOUND,
Status = Enum.GetName(typeof(OperationCode), OperationCode.NOT_FOUND),
Message = "Указан некорректный параметр запроса"
}));
}
//Получение информации о счетах
Account srcAcc, descAcc = new Account();
using (AccountQuery accQuery = new AccountQuery())
{
srcAcc = accQuery.GetAccount(srcAccId.Value);
descAcc = accQuery.GetAccount(destAccId.Value);
}
if (srcAcc == null || descAcc == null)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.SERVICE_ERROR,
Status = Enum.GetName(typeof(OperationCode), OperationCode.NOT_FOUND),
Message = "Счет для проведения транзакции не найден"
}));
}
decimal srcAccCurrBalance = srcAcc.Balance;
decimal descAccCurrBalance = descAcc.Balance;
try
{
if (srcAcc.Balance < amount.Value || srcAcc.Balance == 0)
{
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.OK,
Status = Enum.GetName(typeof(OperationCode), OperationCode.OK),
Message = $"Запрашиваемая для снятия сумма ({amount.Value}) превышает остаток на счете {srcAcc.Balance}"
}));
}
srcAcc.Balance -= amount.Value;
descAcc.Balance += amount.Value;
using (AccountQuery accQuery = new AccountQuery())
{
accQuery.UpdateEntity(srcAcc);
accQuery.UpdateEntity(descAcc);
}
using (AccountHistoryQuery accHistQuery = new AccountHistoryQuery())
{
accHistQuery.CreateEntity(new AccountHistory()
{
AccId = srcAcc.Id,
ChangedAt = DateTime.Now,
Amount = srcAcc.Balance
});
accHistQuery.CreateEntity(new AccountHistory()
{
AccId = descAcc.Id,
ChangedAt = DateTime.Now,
Amount = descAcc.Balance
});
}
return(JsonConvert.SerializeObject(new TransferResp()
{
Code = (int)OperationCode.OK,
Status = Enum.GetName(typeof(OperationCode), OperationCode.OK),
Message = $"Перевод средств со счета {srcAcc.Id} в сумме {amount.Value} на счет {descAcc.Id}.",
SourceBalance = srcAcc.Balance,
DestinationBalance = descAcc.Balance
}));
}
catch (Exception ex)
{
//Откат операции
using (AccountQuery accQuery = new AccountQuery())
{
srcAcc.Balance = srcAccCurrBalance;
descAcc.Balance = descAccCurrBalance;
accQuery.UpdateEntity(srcAcc);
accQuery.UpdateEntity(descAcc);
}
return(JsonConvert.SerializeObject(new AccountHistoryResp()
{
Code = (int)OperationCode.SERVICE_ERROR,
Status = Enum.GetName(typeof(OperationCode), OperationCode.SERVICE_ERROR),
Message = $"Внутренняя ошибка работы сервиса. {ex.Message}"
}));
}
}