/// <summary>
/// Gets the date that the series should actually start on. Might be different than user picked start date due to weekly occurrence allowing you to pick a day that isn't the start date.
/// </summary>
/// <param name="userPickedStartDate"></param>
/// <returns></returns>
public DateTime GetStartDate(DateTime userPickedStartDate)
{
switch (SelectedRepeatOption)
{
// For weekly, they might have selected a day of the week that starts later, so have to find the closest next date
case RepeatOptions.Weekly:
DayOfWeek[] selectedDaysOfWeek = GetSelectedDaysOfWeek();
if (selectedDaysOfWeek.Length == 0)
{
throw new InvalidOperationException("No days of week were selected");
}
DateTime closest = DateTime.MaxValue;
foreach (var day in selectedDaysOfWeek)
{
DateTime potentialClosest = DateTools.Next(day, userPickedStartDate);
if (potentialClosest < closest)
{
closest = potentialClosest;
}
}
return(closest);
default:
return(userPickedStartDate.Date);
}
}
public GroupedDay(MyObservableList <ViewItemSchedule> allSchedules, DayOfWeek dayOfWeek)
{
DayOfWeek = dayOfWeek;
var date = DateTools.Next(dayOfWeek, DateTime.Today);
Times = allSchedules.Sublist(i => i.OccursOnDate(date));
Times.CollectionChanged += Schedules_CollectionChanged;
ResetVisibility();
}
public DateTime GetLocalStartDateAndTime(AccountDataItem account, DataItemSemester semester, DataItemClass c)
{
DateTime startDate;
if (!DateValues.IsUnassigned(semester.Start))
{
startDate = DateHelpers.ToViewItemTime(account, semester.Start);
}
else
{
startDate = DateTime.Today.AddYears(-1);
}
// If the class has a start date, we use that rather than the semester start date
if (!DateValues.IsUnassigned(c.StartDate))
{
startDate = DateHelpers.ToViewItemTime(account, c.StartDate);
}
var currentWeek = account.GetWeekOnDifferentDate(startDate);
// If the schedule doesn't occur each week
if (this.ScheduleWeek != Schedule.Week.BothWeeks)
{
// If it's on the wrong week, we'll move it forward 7 days
if (currentWeek != this.ScheduleWeek)
{
startDate = startDate.AddDays(7);
}
}
// Get the date the schedule actually starts on
startDate = DateTools.Next(this.DayOfWeek, startDate);
return(startDate.Add(this.StartTime.TimeOfDay));
}
