public async Task <bool> IsExistTransactionAsync(BankTransaction bankTransaction)
{
try
{
BankTransaction b = await GetTransactionAsync(bankTransaction);
}
catch (NotFoundException)
{
return(false);
}
return(true);
}
public async Task <BankTransaction> GetTransactionAsync(BankTransaction bankTransaction)
{
try
{
return(await db.BankTransactions
.FirstAsync(x => x.BankID == bankTransaction.BankID &&
x.BankTransactionID == bankTransaction.BankTransactionID));
}
catch (System.Exception)
{
throw new NotFoundException();
}
}
public async Task <bool> UpdateTransactionAsync(BankTransaction bankTransaction)
{
if (!(await IsExistTransactionAsync(bankTransaction)))
{
throw new NotFoundException();
}
try
{
db.BankTransactions.Update(bankTransaction);
return(true);
}
catch (System.Exception)
{
throw;
}
}
public async Task <bool> InsertTransactionAsync(BankTransaction bankTransaction)
{
if (await IsExistTransactionAsync(bankTransaction))
{
throw new DuplicateTransactionException();
}
try
{
await db.BankTransactions.AddAsync(bankTransaction);
return(true);
}
catch (Exception)
{
throw;
}
}