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add_filter('woocommerce_account_menu_items', function($items){

	// check if offers
	$user_id = get_current_user_id();
	$user = get_user_by('id', $user_id) -> user_login;
	$email = get_user_by('id', $user_id) -> user_email;
	$currentusergroupidnr = b2bking()->get_user_group($user_id);

	// Define custom query parameters
    $custom_query_args = array( 'post_type' => 'b2bking_offer',
	  'post_status' => 'publish',
	  'posts_per_page' => 10,
	  'meta_query'=> 
	    	  	array(
	                'relation' => 'AND',
	                array(
	                    'key' => 'b2bking_post_status_enabled',
	                    'value' => '1',
	                ),
            	  	array(
                        'relation' => 'OR',
                        array(
                            'key' => 'b2bking_group_'.$currentusergroupidnr,
                            'value' => '1',
                        ),
                        array(
                            'key' => 'b2bking_user_'.$user, 
                            'value' => '1',
                        ),
                        array(
                            'key' => 'b2bking_user_'.$email, 
                            'value' => '1',
                        ),
                    ),
	            )
       );

    // Instantiate custom query
    $custom_query = new WP_Query( $custom_query_args );

    if (empty($custom_query->posts)){
    	unset ($items['offers']);
    }

    // refunds
    $max_results = get_posts( array( 
        'post_type' => 'marketking_refund',
        'numberposts' => -1,
        'post_status'    => 'any',
        'fields'    => 'ids',
        'author'   => get_current_user_id(),
    ));
    if (empty($max_results)){
    	unset ($items['refunds']);
    }

	return $items;
}, 10000, 1);