Sessions Table Filtered both by Date and Track

SessionsTableViewController.m

// this is the .h file
// properties set by previous view controllers DatesTableVC or TracksTableVC
@property (assign, nonatomic) NSInteger selectedRow;
@property (nonatomic, strong) NSDate *selectedDate;
@property (nonatomic, strong) NSString *selectedTrack;

// ---------------------------------------------------------------------------------------------

// this is the .m file
@interface SessionTableVC ()

// this is used to display the filtered by date and/or track sessions
@property (nonatomic, strong) NSArray *filteredArray;

// used to set local notifications
@property (nonatomic, strong) NSDate *startDate;
@property (nonatomic, strong) NSDate *endDate;
@property (nonatomic, strong) NSString *sessionTitle;

// used to add/remove sessions
@property (nonatomic, assign) NSInteger selectedSessionId;

// used to provide info to iOS 7 Alert delegate
@property (nonatomic, strong) NSNumber *conflictingSessionId;

// use previous table view selections to filter the sessions array for specific dates
- (void)createFilteredArray {
    
    if (self.selectedDate) {
        // NSLog(@"self.selectedDate");
        // Store result in a temp directory for further filtering by track
        NSArray *tempArray = [SharedConferenceObject filterSessionsByDate:self.selectedDate];
        // further filtering
        if (self.selectedTrack) {
            // NSLog(@"selectedTrack");
            self.filteredArray = [ConferenceModel filterArray:tempArray byTrack:self.selectedTrack];
        } else {
            // NSLog(@"NOT selectedTrack");
            self.filteredArray = tempArray;
        }
    } else {
        
        if (self.selectedTrack) {
            // NSLog(@"selectedTrack");
            self.filteredArray = [ConferenceModel filterArray:SharedConferenceObject.sessionsArray byTrack:self.selectedTrack];
        } else {
            // default no filtering
            // NSLog(@"DEFAULT: NOT self.selectedTrack");
            self.filteredArray = SharedConferenceObject.sessionsArray;
        }
        
    }
}