private void Form1_Load(object sender, EventArgs e)
{
var db = DAL.DbContext.Create();
USBApi.API_OpenUsb();
//display current date and time
timer1.Start();
DateTime today = DateTime.Today;
var validenrollmentdate = db.SelectSemSchoolYear(today);
if (validenrollmentdate != null)
{
validenrollmentdate.Semester = db.Semesters.Get(validenrollmentdate.SemesterID);
validenrollmentdate.Schoolyear = db.SchoolYears.Get(validenrollmentdate.SchoolYearID);
}
ShowSem.Text = validenrollmentdate.Semester.SemesterName.ToString() + " Sem";
ShowSY.Text = validenrollmentdate.Schoolyear.SchoolYearRange.ToString();
findThread = new Thread(new ThreadStart(myThread));
findThread.Start();
}
private void myThread()
{
var db = DAL.DbContext.Create();
byte[] data = new byte[100];
byte[] dataLen = new byte[1];
int nResult;
while (true)
{
nResult = USBApi.API_InventoryOnce(data, dataLen);
if (nResult == 0)
{
int i = 0;
string onetagInfo = "";
for (i = 0; i < dataLen[0]; i++)
{
String strTmp = string.Format("{0:X2}", data[i]);
onetagInfo += strTmp;
}
string epc = onetagInfo.Substring(4);
DateTime today = DateTime.Today;
var existEPC = db.Students.All().FirstOrDefault(s => s.EPC == epc);
var validenrollmentdate = db.SelectSemSchoolYear(today);
if (existEPC != null)
{
if (ValidateEnrollmentDate(existEPC, validenrollmentdate))
{
//display data
DisplayStudentInfo(existEPC);
//record tap logs
db.TapLogs.Insert(new TapLog
{
DateTimeTap = DateTime.Now,
StudentID = existEPC.Id
});
}
else
{
DisplayStudentInfo(existEPC);
DisplayNotEnrolled();
}
}
else
{
DisplayNotValid();
}
}
}
}
