private NumberSequenceSeedData GetNumberSequenceDataByTransactionId(SalesTransaction salesTransaction)
{
long transactionId = ExtractNumberSequenceValueForTransactionId(salesTransaction.Id);
var numberSequenceData = new NumberSequenceSeedData
{
DataType = NumberSequenceSeedType.TransactionId,
DataValue = IncrementByOne(transactionId)
};
return(numberSequenceData);
}
private IEnumerable <NumberSequenceSeedData> GetNumberSequenceFromChannelDatabase(string terminalId)
{
// Get the next number sequence value by invoking the number sequence data service.
var numberSequenceRequest = new GetLatestNumberSequenceDataRequest(terminalId);
var response = this.Context.Runtime.Execute <GetLatestNumberSequenceDataResponse>(numberSequenceRequest, this.Context);
IList <NumberSequenceSeedData> numberSequenceList = new List <NumberSequenceSeedData>();
// Gets the number sequence value for shift.
if (response.NumberSequenceValueForShift != null)
{
NumberSequenceSeedData numberSequenceSeedDataForShift = GetNumberSequenceDataByShift(response.NumberSequenceValueForShift);
AddOrUpdateNumberSequence(numberSequenceList, numberSequenceSeedDataForShift);
}
// Gets the number sequence value for transaction identifier.
if (response.NumberSequenceValueForTransaction != null)
{
NumberSequenceSeedData numberSequenceSeedDataForTransactionId = this.GetNumberSequenceDataByTransactionId(response.NumberSequenceValueForTransaction);
if (numberSequenceSeedDataForTransactionId != null)
{
AddOrUpdateNumberSequence(numberSequenceList, numberSequenceSeedDataForTransactionId);
}
}
// Gets the number sequence value for the receipt identifier.
if (response.NumberSequenceValueForReceipts != null)
{
foreach (var transItem in response.NumberSequenceValueForReceipts)
{
NumberSequenceSeedData numberSequenceSeedDataForReceiptId = this.GetNumberSequenceDataByReceiptId(transItem);
if (numberSequenceSeedDataForReceiptId != null)
{
AddOrUpdateNumberSequence(numberSequenceList, numberSequenceSeedDataForReceiptId);
}
}
}
return(numberSequenceList);
}
private IEnumerable <NumberSequenceSeedData> MergeNumberSequenceSeedData(
IEnumerable <NumberSequenceSeedData> seedDataFromHeadquarters,
IEnumerable <NumberSequenceSeedData> seedDataFromChannel)
{
ThrowIf.Null(seedDataFromHeadquarters, "seedDataFromHeadquarters");
long channelId = this.Context.GetPrincipal().ChannelId;
if (seedDataFromChannel == null)
{
NetTracer.Warning("Channel {0} returned an empty number sequence seed data collection. Default values for number sequence will be used if they cannot be retrieved from Headquarters.", channelId);
seedDataFromChannel = new NumberSequenceSeedData[0];
}
IDictionary <NumberSequenceSeedType, NumberSequenceSeedData> headquartersNumberSequenceByType = seedDataFromHeadquarters.ToDictionary(ns => ns.DataType);
IDictionary <NumberSequenceSeedType, NumberSequenceSeedData> channelNumberSequenceByType = seedDataFromChannel.ToDictionary(ns => ns.DataType);
// iterate over all posible number sequence values and get the largest number sequence value available (either from AX or channel)
foreach (NumberSequenceSeedType seedType in Enum.GetValues(typeof(NumberSequenceSeedType)))
{
NumberSequenceSeedData numberSequence;
long headquartersValue = 1;
long channelValue = 1;
if (headquartersNumberSequenceByType.TryGetValue(seedType, out numberSequence))
{
headquartersValue = numberSequence.DataValue;
}
if (channelNumberSequenceByType.TryGetValue(seedType, out numberSequence))
{
channelValue = numberSequence.DataValue;
}
yield return(new NumberSequenceSeedData()
{
DataType = seedType,
DataValue = Math.Max(headquartersValue, channelValue)
});
}
}
private static void AddOrUpdateNumberSequence(IList <NumberSequenceSeedData> numberSequenceList, NumberSequenceSeedData newNumberSeqValue)
{
var numberSequenceReceipt = numberSequenceList.Where(ns => ns.DataType == newNumberSeqValue.DataType);
var numberSequenceSeedData = numberSequenceReceipt.FirstOrDefault();
if (numberSequenceSeedData != null)
{
if (newNumberSeqValue.DataValue > numberSequenceSeedData.DataValue)
{
numberSequenceSeedData.DataValue = newNumberSeqValue.DataValue;
}
}
else
{
numberSequenceList.Add(newNumberSeqValue);
}
}