private bool checkMaxHoursExceeded(Shift option)
{
int totalHours = countWorkersHours(option.getWroker_ID());
int optionHours = option.getShiftHours();
if (totalHours + optionHours > MAX_WORK_HOURS_PER_WEEK)
{
return true;
}
return false;
}
public bool optionExists(Shift other)
{
foreach (Shift sh in shiftTable)
{
if (sh.getWroker_ID() == other.getWroker_ID() && sh.getDay() == other.getDay() && sh.getBegin_Time() == other.getBegin_Time() && sh.getEnd_Time() == other.getEnd_Time())
{
return true;
}
}
return false;
}
public bool optionLegal(Shift option)
{
if (checkMaxHoursExceeded(option))
{
return false;
}
int optBeginHour = Convert.ToInt32(option.getBegin_Time().Trim().Split(':')[0]);
int optEndHour = Convert.ToInt32(option.getEnd_Time().Trim().Split(':')[0]);
string optBeginDay = option.getDay();
string optEndDay = option.getDay();
if (optBeginHour > optEndHour)
{
optEndDay = getNextDay(optEndDay);
}
optBeginHour -= MINIMUM_REST_TIME;
optEndHour += MINIMUM_REST_TIME;
if (optBeginHour < 0)
{
optBeginHour = optBeginHour + DAY_HOURS;
optBeginDay = getPrevDay(optBeginDay);
}
if (optEndHour > DAY_HOURS)
{
optEndHour -= DAY_HOURS;
optEndDay = getNextDay(optEndDay);
}
foreach (Shift sh in shiftTable)
{
if (sh.getWroker_ID() == option.getWroker_ID())
{
int shBeginHour = Convert.ToInt32(sh.getBegin_Time().Trim().Split(':')[0]);
int shEndHour = Convert.ToInt32(sh.getEnd_Time().Trim().Split(':')[0]);
string shBeginDay = sh.getDay();
string shEndDay = sh.getDay();
if (shBeginHour > shEndHour)
{
shEndDay = getNextDay(shEndDay);
}
if (shBeginDay == optBeginDay) //SHIFT AND OPTION START AT THE SAME DAY
{
if (shBeginHour == optBeginHour) //shift and otions starts at the same time
{
return false;
}
if (shBeginHour > optBeginHour) //shift starts after option
{
if (shBeginDay == optEndDay && shBeginHour < optEndHour)
{
return false;
}
if (optBeginDay != optEndDay)
{
return false;
}
}
if (shBeginHour < optBeginHour) //shift starts before option
{
if (shEndDay == optBeginDay && shEndHour > optBeginHour)
{
return false;
}
if (shBeginDay != shEndDay)
{
return false;
}
}
}
if (shBeginDay == optEndDay) //SHIFT STARTS AT THE DAY OPTION ENDS
{
if (shBeginHour < optEndHour)
{
return false;
}
}
if (shEndDay == optBeginDay) //SHIFT ENDS AT THE DAY OPTION STARTS
{
if (shEndHour > optBeginHour)
{
return false;
}
}
if (optBeginDay == getPrevDay(shBeginDay) && optEndDay == getNextDay(shEndDay)) //SHIFT STARTS END ENDS WHILE OPTION LASTS
{
return false;
}
}
}
return true;
}