/// <summary>
/// splits the parts of a tag-string
/// </summary>
/// <param name="TagString"></param>
/// <returns></returns>
private TagParts splitTag(Object TagString)
{
TagParts TParts = null;
try
{
if (TagString != null)
{
String[] Parts = ((String)TagString).Split(';');
if (Parts.GetUpperBound(0) == 1)
{
TParts = new TagParts();
TParts.IDString = Parts[0];
TParts.DefaultValue = Parts[1];
}
}
return(TParts);
}
catch (Exception ex)
{
throw new Exception("Error while splitting tag", ex);
}
}
public string GetEpc(string companyPrefix)
{
string ret;
TagParts parts = new TagParts();
List <TagParts> tags = new List <TagParts>();
TagParts tp;
int half;
//get all shipment container epc codes
var sscc = entities.IMS_SHIPMENT_CONTAINERS.Where(x => x.SSCC.StartsWith("urn:epc:id:sscc")).ToList();
foreach (var t in sscc)
{
tp = new TagParts();
half = t.SSCC.LastIndexOf(':');
tp.prefix = t.SSCC.Substring(0, half);
string zz = t.SSCC.Substring(half + 1, t.SSCC.Length - (half + 1));
var arry = zz.Split('.');
//parse tag for serial number
tp.companyPrefix = arry[0];
tp.partnumber = arry[1];
long parseme = 0;
if (arry.Length > 2)
{
if (long.TryParse(arry[2], out parseme))
{
tp.serialNumber = arry[2];
if (EPCSerialNumber.ContainsKey(tp.companyPrefix))
{
if (EPCSerialNumber[tp.companyPrefix] < parseme)
{
EPCSerialNumber[tp.companyPrefix] = parseme;
}
}
else
{
EPCSerialNumber.Add(tp.companyPrefix, parseme);
}
}
}
tags.Add(tp);
}
parts.serialNumber = GetNewEPCSerialNumber(companyPrefix);
//Get get next new numbers from tags
long test = 0;
long partnumber = 0;
if (tags.Where(v => v.companyPrefix == companyPrefix).ToList().Count > 0)
{
foreach (var sn in tags.Where(v => v.companyPrefix == companyPrefix).ToList())
{
test = 0;
if (long.TryParse(sn.partnumber, out test))
{
if (test > partnumber)
{
partnumber = test;
}
}
}
parts.partnumber = partnumber.ToString();
}
else
{
parts.partnumber = "1000001";
}
parts.companyPrefix = companyPrefix;
ret = string.Format("urn:epc:id:sscc:{0}.{1}.{2}", companyPrefix, parts.partnumber, parts.serialNumber);
return(ret);
}
