public PunchCard PurchasePunchCard(PunchCard punchCard)
{
punchCard.CurrentMemberID = punchCard.PurchaseMemberID;
_dbContext.PunchCards.Add(punchCard);
_dbContext.SaveChanges();
return(punchCard);
}
public void DeletePunchCard(PunchCard punchCard)
{
if (PunchCardExists(punchCard.PunchCardID) &&
punchCard.RemainingPunches == 5)
{
_dbContext.PunchCards.Remove(punchCard);
_dbContext.SaveChanges();
}
}
public Attendance AddAttendance(Attendance attendance, PunchCard punchCard)
{
_dbContext.Attendances.Add(attendance);
_dbContext.SaveChanges();
_dbContext.PunchCardUsages.Add(new PunchCardUsage
{
AttendanceID = attendance.AttendanceID,
PunchCardID = punchCard.PunchCardID
});
_dbContext.SaveChanges();
return(attendance);
}
public PunchCard TransferPunchCard(PunchCard punchCard)
{
_dbContext.Attach(punchCard).State = EntityState.Modified;
try {
_dbContext.SaveChanges();
}
catch (DbUpdateConcurrencyException) {
if (!PunchCardExists(punchCard.PunchCardID))
{
return(null);
}
else
{
throw;
}
}
return(punchCard);
}