singleItem with course button & details

functions.php

add_filter('bp_course_single_item_view',function($flag){
    global $post;
    $course_post_id = $post->ID;
    $course_author= $post->post_author;
    $course_classes = apply_filters('bp_course_single_item','course_single_item course_id_'.$post->ID.' course_status_'.$post->post_status.' course_author_'.$post->post_author,get_the_ID());
    ?>
    <li class="<?php echo $course_classes; ?>">
            <div class="row">
                <div class="col-md-4">
                    <div class="item-avatar" data-id="<?php echo get_the_ID(); ?>">
                        <?php bp_course_avatar(); ?>
                    </div>
                </div>
                <div class="col-md-6">
                    <div class="item">
                        <div class="item-title"><?php bp_course_title(); if(get_post_status() != 'publish'){echo '<i> ( '.get_post_status().' ) </i>';} ?>
                            
                        </div>
                        <div class="item-meta"><?php bp_course_meta(); ?></div>
                        <div class="item-desc"><?php bp_course_desc(); ?></div>
                        <?php
                        $enable_instructor = apply_filters('wplms_display_instructor',true,$post->ID);
                        if($enable_instructor){
                        ?>
                        <div class="item-instructor">
                            <?php bp_course_instructor(array('instructor_id'=> $course_author)); ?>
                        </div>
                        <?php } ?>
                        <div class="item-action"><?php bp_course_action() ?></div>
                        <?php do_action( 'bp_directory_course_item' ); ?>
                    </div>
                </div>
                <div class="col-md-2">
                    <div class="item-credits">
                        <?php 
                            
                            the_course_button();
                            the_course_details();
                        ?>
                    </div>
                </div>
            </div>
        </li>
    <?php
    return 1;
});