/// <summary>
/// Return next EDI transaction set.
/// IFatpipeDocument will contain ISA, GA and 1 ST segment
/// </summary>
/// <returns></returns>
public IFatpipeDocument GetNextTransactionSet()
{
if (DocumentReader == null)
{
throw new EDIReaderException("Initialize API should be invoked successfully before calling GetNextTransactionSet");
}
string location = "EDIReader.GetNextTransactionSet";
Stopwatch sw = new Stopwatch();
sw.Start();
Logger.Debug(location, "Start - {0}", GetCurrentPosContext());
bool isTransactionSetFinished = false;
while (isTransactionSetFinished == false &&
(CurrentSegmentDetails = ReadNextSegment()) != null &&
CurrentSegmentDetails.Length > 0)
{
Logger.Debug(location, "{0} - Next segment {1}", GetCurrentPosContext(), CurrentSegmentDetails[0]);
EDIState nextState = GetEDIState(CurrentSegmentDetails[0]);
switch (nextState)
{
case EDIState.GS:
if (!(LastState == EDIState.ISA || LastState == EDIState.GE))
{
throw new EDIReaderException(string.Format("GS segment should appear only after ISA or GE. {1}", GetCurrentPosContext()));
}
//Just set GSRecordFields, GS node will be constructed on first ST node
GSRecordFields = CurrentSegmentDetails;
GSSegmentProcessed = false;
GSSegment = CurrentSegment;
FunctionalGroupNumber++;
// TODO: What is functionalId and ControlNumber? - set second and third parameter below
Errors.AddFunctionalGroupDetails(FunctionalGroupNumber, "", "", true);
break;
case EDIState.GE:
// TODO: Remove GS check here in case empty GS segment is not valid scenario
if (!(LastState == EDIState.GS || LastState == EDIState.SE))
{
throw new EDIReaderException(string.Format("GE segment should appear only after GS or SE. {1}", GetCurrentPosContext()));
}
//TODO: Add validation of GE segment details values
//CheckForMissingSegments(CurrentSegmentDetails[0]);
break;
case EDIState.ST:
if (!(LastState == EDIState.GS || LastState == EDIState.SE))
{
throw new EDIReaderException(string.Format("ST segment should appear only after GS or SE. {1}", GetCurrentPosContext()));
}
// Do not reset SegmentNumber as it's being used as over all segment number in EdiValidator for position
//SegmentNumber = 0;
TransactionSetNumber++;
// TODO: What is functionalId and ControlNumber? - set second and third parameter below
Errors.AddTransactionSetDetails(TransactionSetNumber, "", "", true);
FatpipeDocumentInst.BeautifiedOriginalPayloadBody = string.Empty;
TransactionSegment = CurrentSegment;
FormattedTransactionSegment = CurrentSegment;
// If ST segment is not valid then move file reading pointer to SE segment
if (ProcessSTSegment() == false)
{
MoveToSESegment();
isTransactionSetFinished = true;
nextState = EDIState.SE;
}
break;
case EDIState.SE:
if (!(LastState == EDIState.ST || LastState == EDIState.Other))
{
throw new EDIReaderException(string.Format("{0} segment should appear only after ST or Other. {1}", LastState, GetCurrentPosContext()));
}
//CheckForMissingSegments(CurrentSegmentDetails[0]);
CreateAndAddNewSegment(CurrentSegmentDetails[0], CurrentSegmentDetails);
//TODO: Add validation of SE segment details values
isTransactionSetFinished = true;
TransactionSegment = TransactionSegment + SegmentDelimiter + CurrentSegment;
FormattedTransactionSegment = FormattedTransactionSegment + FormattedSegmentDelimiter + CurrentSegment;
//ValidateContingencies();
break;
case EDIState.Other:
if (!(LastState == EDIState.ST || LastState == EDIState.Other))
{
throw new EDIReaderException(string.Format("{0} segment should appear only after ST or Other. {1}", LastState, GetCurrentPosContext()));
}
//Console.WriteLine("segment = " + CurrentSegmentDetails[0]);
CreateAndAddNewSegment(CurrentSegmentDetails[0], CurrentSegmentDetails);
TransactionSegment = TransactionSegment + SegmentDelimiter + CurrentSegment;
FormattedTransactionSegment = FormattedTransactionSegment + FormattedSegmentDelimiter + CurrentSegment;
break;
case EDIState.IEA:
//TODO: Add validation of IEA segment details values
break;
}
LastState = nextState;
}
// Construct original payload
if (isTransactionSetFinished == true)
{
FatpipeDocumentInst.OriginalPayload = ISASegment + SegmentDelimiter;
FatpipeDocumentInst.OriginalPayload += GSSegment + SegmentDelimiter;
FatpipeDocumentInst.OriginalPayload += TransactionSegment + SegmentDelimiter;
FatpipeDocumentInst.OriginalPayload += "GE" + EDIDelimiters.FieldSeperator + "1" + EDIDelimiters.FieldSeperator + "1" + SegmentDelimiter;
FatpipeDocumentInst.OriginalPayload += "IEA" + EDIDelimiters.FieldSeperator + "1" + EDIDelimiters.FieldSeperator + "1" + SegmentDelimiter;
FatpipeDocumentInst.BeautifiedOriginalPayloadStartHeader = ISASegment + FormattedSegmentDelimiter;
FatpipeDocumentInst.BeautifiedOriginalPayloadStartHeader += GSSegment + FormattedSegmentDelimiter;
FatpipeDocumentInst.BeautifiedOriginalPayloadBody += FormattedTransactionSegment + FormattedSegmentDelimiter;
FatpipeDocumentInst.BeautifiedOriginalPayloadEndHeader = "GE" + EDIDelimiters.FieldSeperator + "1" + EDIDelimiters.FieldSeperator + "1" + FormattedSegmentDelimiter;
FatpipeDocumentInst.BeautifiedOriginalPayloadEndHeader += "IEA" + EDIDelimiters.FieldSeperator + "1" + EDIDelimiters.FieldSeperator + "1" + FormattedSegmentDelimiter;
}
sw.Stop();
Logger.Debug(location, "Stop - {0}. Elapsed time {1} ms", GetCurrentPosContext(), sw.ElapsedMilliseconds);
return(isTransactionSetFinished == true ? FatpipeDocumentInst : null);
}