/// <summary>
/// Gets the occurrence items.
/// </summary>
private ScheduleOccurrence GetOccurrence()
{
DateTime? occurrenceDate = PageParameter( "Occurrence" ).AsDateTime();
// If an occurrence date was not specified in query string, use the selected date
if ( !occurrenceDate.HasValue &&
Page.IsPostBack &&
_allowAdd &&
dpOccurrenceDate.SelectedDate.HasValue )
{
occurrenceDate = dpOccurrenceDate.SelectedDate;
}
if ( occurrenceDate.HasValue )
{
// Try to find the selected occurrence based on group's schedule
if ( _group != null )
{
lHeading.Text = _group.Name + " Attendance";
// Get all the occurrences for this group ( without loading attendance yet )
var occurrences = new ScheduleService( _rockContext )
.GetGroupOccurrences( _group, false )
.OrderBy( o => o.StartDateTime )
.ToList();
// If occurrences were found, loop through them looking for the selected occurrence
var occurrence = occurrences
.Where( o =>
occurrenceDate.Value >= o.StartDateTime &&
occurrenceDate.Value < o.EndDateTime )
.FirstOrDefault();
if ( occurrence != null )
{
return occurrence;
}
}
// If an occurrence date was included, but no occurrence was found with that date, and new
// occurrences can be added, create a new one
if ( _allowAdd )
{
return new ScheduleOccurrence( occurrenceDate.Value, occurrenceDate.Value.Date.AddDays(1) );
}
}
return null;
}
