private void AssignDocumentControlNumber(List <LoadFileRecord> records)
{
long numericPartOfDcn = 0;
#region Delegate - logic to get complete DCN readily, given the numeric value as input
Func <string, string> getDcn = delegate(string newLastDcnNumericPart)
{
var padString = string.Empty;
// pad zeros
if (newLastDcnNumericPart.Length < m_Dataset.DCNStartWidth.Length)
{
var numberOfZerosTobePadded = m_Dataset.DCNStartWidth.Length - newLastDcnNumericPart.Length;
for (var i = 0; i < numberOfZerosTobePadded; i++)
{
padString += "0";
}
}
return(m_Dataset.DCNPrefix + padString + newLastDcnNumericPart);
};
#endregion Delegate - logic to get complete DCN readily, given the numeric value as input
using (var lowerTransScope = new EVTransactionScope(TransactionScopeOption.Suppress))
{
m_CurrentDcn = DataSetBO.GetLastDocumentControlNumber(m_Dataset.FolderID);
// If DCN is not obtained, no documents are imported for the dataset till now.
// So set current DCN to first DCN value.
if (string.IsNullOrWhiteSpace(m_CurrentDcn))
{
m_CurrentDcn = m_Dataset.DCNPrefix + Constants.StringZero;
}
else
{
if (!m_CurrentDcn.Contains(m_Dataset.DCNPrefix))
{
var currentNumber = Convert.ToInt32(m_CurrentDcn);
currentNumber = currentNumber - 1;
m_CurrentDcn = currentNumber.ToString();
m_CurrentDcn = m_Dataset.DCNPrefix + m_CurrentDcn;
}
}
// 1) Get Last DCN from EVMaster DB and 2) Pick Numeric part of it
// throws exception if numeric part couldn't be retrieved, throw Exception.
if (IsNumeric(m_CurrentDcn.Substring(m_Dataset.DCNPrefix.Length), out numericPartOfDcn))
{
// Update new DCN after bulk add, assuming bulk add would be successful.
// The delegate, GetNewLastDCNAfterBulkAdd gets DCN to be updated back to DB.
// Delegates takes numeric part of WOULD BE DCN value as input, returns complete DCN - so that it can readily be updated back to Dataset table.
m_NewDcn = getDcn((numericPartOfDcn + records.Count()).ToString(CultureInfo.InvariantCulture));
DataSetBO.UpdateLastDocumentControlNumber(m_Dataset.FolderID, m_NewDcn);
lowerTransScope.Complete();
}
else
{
throw new Exception(ErrorCodes.InvalidDCNValueObtainedForDataset);
}
}
#region Assign DCN to all documents
var dCNIncrementalCounter = numericPartOfDcn;
records.ForEach(p =>
{
dCNIncrementalCounter += 1;
p.DocumentControlNumber = getDcn(dCNIncrementalCounter.ToString(CultureInfo.InvariantCulture));
});
#endregion
}