//The main method for generating shifts
public void ScheduleGenerator(int weeknumber, int year)
{
// Instead of retreiving a reference to the lists from core multiple times
// The method saves the reference for further use
List <User> AllUsers = Core.Instance.GetAllUsers();
List <ShiftTemplate> AllShiftTemplates = Core.Instance.GetAllTemplates();
List <Holiday> AllHolidays = Core.Instance.GetAllHolidays();
//The templates are sorted so that the generetor generates from monday to sunday
var SortedShiftTemplates = AllShiftTemplates.OrderBy(template => template.StartTime);
AllShiftTemplates = SortedShiftTemplates.ToList();
// Since it is the beginning of a new week to generate for all users WorkInWeek is set to 0
foreach (User u in AllUsers)
{
u.WorkInWeek = 0;
}
// Local variables for further use
int PossitiveDayCost = 0;
int NegativeDayCost = 0;
int resultDay = 0;
int resultMonth = 0;
// The loop which generates a Shift object for each template in the list of templates
int TemplateCount = AllShiftTemplates.Count;
for (int i = 0; i <= TemplateCount - 1; i++)
{
// The year startingdate is found by makeing a date with january the 1st for the selected year
DateTime YearStartingDate = new DateTime(year, 1, 1);
// The first day is calculated
int FirstDayInYear = CalcFirstDayInYear(YearStartingDate);
if (weeknumber == 1)
{
//If the date is one of the days not exsisting in the first week of the year, the loop continues to the next template
if (AllShiftTemplates[i].StartTime.Day <= FirstDayInYear)
{
continue;
}
}
int DayInYear = GetDayInYear(weeknumber, AllShiftTemplates[i].StartTime, FirstDayInYear);
TotalDayToDayInMonth(DayInYear, year, ref resultDay, ref resultMonth);
DateTime start = new DateTime(year, resultMonth, resultDay, AllShiftTemplates[i].StartTime.Hour, AllShiftTemplates[i].StartTime.Minute, AllShiftTemplates[i].StartTime.Second);
DateTime end = new DateTime(year, resultMonth, resultDay, AllShiftTemplates[i].EndTime.Hour, AllShiftTemplates[i].EndTime.Minute, AllShiftTemplates[i].EndTime.Second);
//If the date is a holiday the loop continues to next iteration
if (IfDateIsNotHoliday(start, AllHolidays))
{
// Sorting of Users. The compatible Users are found and saved in a list
List <User> CompatibleUsers = new List <User>();
GetCompatibleUsers(AllUsers, AllShiftTemplates[i], CompatibleUsers);
CalculateDayPrice(AllShiftTemplates[i].StartTime.Day, ref PossitiveDayCost, ref NegativeDayCost, false);
// The SortUserList method determines the user to take the Shift based on different parameters
string UserName = SortUserList(CompatibleUsers, PossitiveDayCost, NegativeDayCost, start);
// The shift is created and saved to the Core and to the Database
Shift resultShift = new Shift(start, end, Database.Instance.ListToString(AllShiftTemplates[i].Tag), UserName, weeknumber);
resultShift.SaveShift();
Core.Instance.AddShiftToList(resultShift);
}
else
{
continue;
}
}
}
public void AddShiftToList(Shift shift)
{
_allShifts.Add(shift);
}