Converts NSTimeInterval into a verbal NSString format.

gistfile1.m

- (NSString *)readableTimeWithDuration:(NSTimeInterval)timeDuration{
    
    NSUInteger roundedTime = round(timeDuration);
    
    unsigned long days = roundedTime / 86400;
    unsigned long hours = roundedTime / 3600;
    unsigned long minutes = (roundedTime / 60) % 60;
    
    NSString *dayLabel = days > 1 ? @"Days" : @"Day";
    NSString *hourLabel = hours > 1 ? @"Hours" : @"Hour";
    NSString *minuteLabel = minutes > 1 ? @"Minutes" : @"Minute";
    
    
    NSString *string = (days>0) ? [NSString stringWithFormat:@"%lu %@, %lu %@",
                                                    days, dayLabel, hours, hourLabel] : [NSString stringWithFormat:@"%lu %@, %lu %@",
                        hours, hourLabel, minutes, minuteLabel];
    
    return string;
}