NSDate for today and last year

dateCheck.m

    //date set
    NSCalendar *calendar = [NSCalendar currentCalendar];
    NSDateComponents *componentsToday = [calendar components:NSMinuteCalendarUnit | NSHourCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit fromDate:[NSDate date]];
    NSDateComponents *componentsNews = [calendar components:NSMinuteCalendarUnit | NSHourCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit fromDate:comment.commentDate];
    NSString *stringFromDate;
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    if([componentsToday year] == [componentsNews year]) {
        if ([componentsToday day] == [componentsNews day] && [componentsToday month] == [componentsNews month]) {
            [formatter setDateFormat:@"HH:mm, , Сегодня"];
            stringFromDate = [formatter stringFromDate:[calendar dateFromComponents:componentsNews]];
        } else {
            [formatter setDateFormat:@"HH:mm, d MMMM"];
            stringFromDate = [formatter stringFromDate:[calendar dateFromComponents:componentsNews]];
        }
    } else {
        [formatter setDateFormat:@"HH:mm, d MMMM, YYYY"];
        stringFromDate = [formatter stringFromDate:[calendar dateFromComponents:componentsNews]];
    }
    [formatter release];