internal static byte[] BuildUploadedData(UploadTransaction t)
{
int dataLength = 0;
byte[] data;
foreach (var block in t.DataBlocks)
{
dataLength += block.Length;
}
data = new byte[dataLength];
int dataOffset = 0;
foreach (var block in t.DataBlocks)
{
int remainingLength = data.Length - dataOffset;
if (block.Length < remainingLength)
{
remainingLength = block.Length;
}
if (remainingLength > 0)
{
Buffer.BlockCopy(block, 0, data, dataOffset, remainingLength);
}
dataOffset += block.Length;
}
return(data);
}
public async Task <UploadTransaction> AddAsync(UploadTransaction transaction, CancellationToken cancellationToken)
{
var addedEntry = await m_dbContext.UploadTransactions.AddAsync(transaction, cancellationToken);
await m_dbContext.SaveChangesAsync(cancellationToken);
return(addedEntry.Entity);
}
/// <summary>
///
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public override List <UploadTransaction> ExtractTransaction(IFormFile file)
{
using (var reader = new StreamReader(file.OpenReadStream()))
{
var entities = new List <UploadTransaction>();
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(reader);
var nodeList = xmlDoc.SelectNodes("/Transactions/Transaction");
foreach (XmlNode item in nodeList)
{
var errors = new List <string>();
DateTimeOffset transDate;
Decimal amount;
var transactionId = (item.Attributes.GetNamedItem("id")?.Value ?? "").Trim();
if (transactionId.Length == 0 || transactionId.Length > TRANSACTIONID_MAX_LENGTH)
{
errors.Add("Invalid TransactionId");
}
var strTransDate = (item.SelectSingleNode("TransactionDate")?.InnerText ?? "").Trim();
if (!DateTimeOffset.TryParseExact(strTransDate, XML_DATE_FORMAT, CultureInfo.InvariantCulture,
DateTimeStyles.AssumeUniversal, out transDate))
{
errors.Add("Invalid Transaction Date");
}
var strAmount = (item.SelectSingleNode("PaymentDetails/Amount")?.InnerText ?? "").Trim();
if (!Decimal.TryParse(strAmount, out amount))
{
errors.Add("Invalid Payment Amount");
}
var currencyCode = (item.SelectSingleNode("PaymentDetails/CurrencyCode")?.InnerText ?? "").Trim();
if (currencyCode.Length != 3)
{
errors.Add("Invalid Currency Code");
}
var status = (item.SelectSingleNode("Status")?.InnerText ?? "").Trim();
if (!xmlValidStatusCode.Contains(status))
{
errors.Add("Invalid Status Code");
}
var xmlTransaction = new UploadTransaction()
{
TransactionId = transactionId,
Amount = strAmount,
ValidAmount = amount,
CurrencyCode = currencyCode,
TransactionDate = strTransDate,
ValidTransactionDate = transDate,
Status = status,
ValidStatus = GetXmlStatusCode(status),
Errors = string.Join(", ", errors)
};
entities.Add(xmlTransaction);
}
return(entities);
}
}
public async Task <UploadTransaction> StartTransaction(StorageItem item, CancellationToken cancellationToken)
{
var transaction = new UploadTransaction
{
Id = Guid.NewGuid(),
DriveId = item.DriveId,
StorageItemId = item.Id,
Timestamp = DateTime.UtcNow
};
transaction.UploadUri = m_blobContainerClient.GetBlobClient($"{item.DriveId}/{item.Id}")
.GenerateSasUri(BlobSasPermissions.Read | BlobSasPermissions.Write, DateTime.UtcNow.AddHours(1));
await m_transactions.AddAsync(transaction, cancellationToken);
return(transaction);
}
