public async Task <List <AmountResume> > AmountResumes()
{
List <AmountResume> amountResumes = new List <AmountResume>();
List <TransactionOutlay> transactions = await _contextDB.TransactionOutlay.Include(x => x.TypeTransaction)
.AsNoTracking()
.ToListAsync();
var transactionsGroup = transactions.GroupBy(key =>
{
TransactionDTO transactionAux = key.ToTransactionDTO();
TransactionKey trKey = new TransactionKey(transactionAux.Date.Year,
transactionAux.Date.Month);
return(trKey);
});
double currentTotalAmount = 0.0d;
foreach (var transactionGroupAux in transactionsGroup)
{
foreach (var transactionsAux in transactionGroupAux)
{
switch (transactionsAux.TypeTransaction.Type)
{
case "SPENDING":
currentTotalAmount -= transactionsAux.Amount;
break;
default:
currentTotalAmount += transactionsAux.Amount;
break;
}
}
TransactionKey key = transactionGroupAux.Key;
amountResumes.Add(new AmountResume()
{
Year = key.Year,
Month = key.Month,
Amount = currentTotalAmount
});
}
return(amountResumes);
}
public string CreateManifest()
{
var dateFormatString = DateTime.Now.ToString("MMddyyyy");
var plainText = StringUtils.PadRight(MerchantId, 20, ' ') +
StringUtils.PadRight(DeviceId, 24, ' ') +
"000000000000" +
StringUtils.PadRight(dateFormatString, 8, ' ');
var tempTransactionKey = TransactionKey.Substring(0, 16);
var byteArray = Encoding.UTF8.GetBytes(tempTransactionKey);
var encrypted = new byte[0];
using (Aes aesAlg = Aes.Create())
{
aesAlg.Padding = PaddingMode.None;
aesAlg.Mode = CipherMode.CBC;
aesAlg.BlockSize = 128;
aesAlg.KeySize = 128;
aesAlg.Key = byteArray;
aesAlg.IV = byteArray;
ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(plainText);
}
encrypted = msEncrypt.ToArray();
}
}
}
var encryptedData = BitConverter.ToString(encrypted).ToLower().Replace("-", string.Empty);
var hashKey = HashHmac(TransactionKey, TransactionKey);
return(hashKey.Substring(0, 4) + encryptedData + hashKey.Substring(hashKey.Length - 4, 4));;
}