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<?php
/**
* Abstract Shortcode Courses.
*
* @author ThimPress
* @category Abstract
* @package Learnpress/Classes
* @version 3.0.0
* @extends LP_Abstract_Shortcode
*/
/**
* Prevent loading this file directly
*/
defined( 'ABSPATH' ) || exit();
if ( ! class_exists( 'LP_Abstract_Shortcode_Courses' ) ) {
/**
* Class LP_Abstract_Shortcode
*
* Abstract class for shortcodes
*
* @since 3.0.0
*/
abstract class LP_Abstract_Shortcode_Courses extends LP_Abstract_Shortcode {
/**
* @var null
*/
protected $curd = null;
/**
* @var null
*/
protected $courses = null;
/**
* @var WP_Query
*/
protected $_query = null;
/**
* LP_Abstract_Shortcode_Courses constructor.
*
* @param mixed $atts
*/
public function __construct( $atts = '' ) {
parent::__construct( $atts );
// course curd
$this->curd = new LP_Course_CURD();
// shortcode atts
$this->_atts = wp_parse_args( $this->_atts, $this->get_atts() );
}
/**
* Query course
*
* @return mixed
*/
abstract function query_courses();
/**
* Get shortcode atts.
*
* @return array
*/
public function get_atts() {
$atts = parent::get_atts();
$atts = wp_parse_args( $atts, array(
'limit' => 1,
'order_by' => 'post_date',
'order' => 'DESC'
) );
$limit = $atts['limit'];
$order_by = $atts['order_by'];
$order = $atts['order'];
// valid atts
if ( ! absint( $limit ) ) {
$limit = 10;
}
$arr_orders_by = array( 'post_date', 'post_title', 'post_status', 'comment_count' );
if ( ! in_array( $order_by, $arr_orders_by ) || ! in_array( 'post_' . $order_by, $arr_orders_by ) ) {
$order_by = 'post_date';
} else {
if ( $order_by !== 'comment_count' ) {
$order_by = 'post_' . $order_by;
}
}
$arr_orders = array( 'DESC', 'ASC' );
$order = strtoupper( $order );
if ( ! in_array( $order, $arr_orders ) ) {
$order = 'DESC';
}
return array( 'limit' => $limit, 'order_by' => $order_by, 'order' => $order );
}
/**
* Output shortcode.
*/
public function output() {
ob_start();
$this->query_courses();
$this->output_courses();
return ob_get_clean();
}
/**
* Loop course.
*/
public function output_courses() {
global $wpdb;
$post_ids = $wpdb->get_col( $this->_query );
$query = new LP_Query_Course( array( 'post__in' => $post_ids ) );
if ( $query->have_posts() ) {
do_action( 'learn_press_before_courses_loop' );
learn_press_begin_courses_loop();
while ( $query->have_posts() ) : $query->the_post();
learn_press_get_template_part( 'content', 'course' );
endwhile;
learn_press_end_courses_loop();
do_action( 'learn_press_after_courses_loop' );
wp_reset_postdata();
} else {
learn_press_display_message( __( 'No course found.', 'learnpress' ), 'error' );
}
}
}
}
Zerion Mini Shell 1.0