index.php
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<?php
/**
* Handles all server side logic for the ld-topic-list Gutenberg Block. This block is functionally the same
* as the ld_topic_list shortcode used within LearnDash.
*
* @package LearnDash
* @since 2.5.9
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'LearnDash_Gutenberg_Block' ) ) && ( ! class_exists( 'LearnDash_Gutenberg_Block_Topic_List' ) ) ) {
/**
* Class for handling LearnDash Topic List Block
*/
class LearnDash_Gutenberg_Block_Topic_List extends LearnDash_Gutenberg_Block {
/**
* Object constructor
*/
public function __construct() {
$this->shortcode_slug = 'ld_topic_list';
$this->block_slug = 'ld-topic-list';
$this->block_attributes = array(
'orderby' => array(
'type' => 'string',
),
'order' => array(
'type' => 'string',
),
'per_page' => array(
'type' => 'string',
),
'course_id' => array(
'type' => 'string',
),
'lesson_id' => array(
'type' => 'string',
),
'show_content' => array(
'type' => 'boolean',
),
'show_thumbnail' => array(
'type' => 'boolean',
),
'topic_category_name' => array(
'type' => 'string',
),
'topic_cat' => array(
'type' => 'string',
),
'topic_categoryselector' => array(
'type' => 'boolean',
),
'topic_tag' => array(
'type' => 'string',
),
'topic_tag_id' => array(
'type' => 'string',
),
'category_name' => array(
'type' => 'string',
),
'cat' => array(
'type' => 'string',
),
'categoryselector' => array(
'type' => 'boolean',
),
'tag' => array(
'type' => 'string',
),
'tag_id' => array(
'type' => 'string',
),
'course_grid' => array(
'type' => 'boolean',
),
'col' => array(
'type' => 'integer',
),
'example_show' => array(
'type' => 'boolean',
),
'preview_show' => array(
'type' => 'boolean',
),
'editing_post_meta' => array(
'type' => 'object',
),
);
$this->self_closing = true;
$this->init();
}
/**
* Render Block
*
* This function is called per the register_block_type() function above. This function will output
* the block rendered content. In the case of this function the rendered output will be for the
* [ld_profile] shortcode.
*
* @since 2.5.9
*
* @param array $block_attributes The block attributes.
* @param string $block_content The block content.
* @param WP_block $block The block object.
*
* @return none The output is echoed.
*/
public function render_block( $block_attributes = array(), $block_content = '', WP_block $block = null ) {
$block_attributes = $this->preprocess_block_attributes( $block_attributes );
// Only the 'editing_post_meta' element will be sent from within the post edit screen.
if ( $this->block_attributes_is_editing_post( $block_attributes ) ) {
$block_attributes['user_id'] = $this->block_attributes_get_user_id( $block_attributes );
}
/**
* Filters WordPress block content shortcode attributes.
*
* @since 2.5.9
*
* @param array $block_attributes An array of shortcode attributes.
* @param string $shortcode_slug Slug of the shortcode.
* @param string $block_slug Slug of the gutenberg block.
* @param string $content Shortcode content.
*/
$block_attributes = apply_filters( 'learndash_block_markers_shortcode_atts', $block_attributes, $this->shortcode_slug, $this->block_slug, '' );
$shortcode_out = '';
$shortcode_str = $this->prepare_course_list_atts_to_param( $block_attributes );
$shortcode_str = '[' . $this->shortcode_slug . ' ' . $shortcode_str . ']';
if ( ! empty( $shortcode_str ) ) {
$shortcode_out = do_shortcode( $shortcode_str );
}
if ( ! empty( $shortcode_out ) ) {
if ( $this->block_attributes_is_editing_post( $block_attributes ) ) {
$shortcode_out = $this->render_block_wrap( $shortcode_out );
} else {
$shortcode_out = '<div class="learndash-wrap">' . $shortcode_out . '</div>';
}
}
return $shortcode_out;
}
/**
* Called from the LD function learndash_convert_block_markers_shortcode() when parsing the block content.
*
* @since 2.5.9
*
* @param array $block_attributes The array of attributes parse from the block content.
* @param string $shortcode_slug This will match the related LD shortcode ld_profile, ld_course_list, etc.
* @param string $block_slug This is the block token being processed. Normally same as the shortcode but underscore replaced with dash.
* @param string $content This is the original full content being parsed.
*
* @return array $block_attributes.
*/
public function learndash_block_markers_shortcode_atts_filter( $block_attributes = array(), $shortcode_slug = '', $block_slug = '', $content = '' ) {
if ( $shortcode_slug === $this->shortcode_slug ) {
if ( isset( $block_attributes['per_page'] ) ) {
if ( ! isset( $block_attributes['num'] ) ) {
$block_attributes['num'] = $block_attributes['per_page'];
unset( $block_attributes['per_page'] );
}
}
if ( ( ! isset( $block_attributes['topic_categoryselector'] ) ) || ( true === $block_attributes['topic_categoryselector'] ) ) {
$block_attributes['topic_categoryselector'] = 'true';
}
if ( ( isset( $block_attributes['categoryselector'] ) ) && ( true === $block_attributes['categoryselector'] ) ) {
$block_attributes['categoryselector'] = 'true';
}
if ( ( ! isset( $block_attributes['course_grid'] ) ) || ( true === $block_attributes['course_grid'] ) ) {
$block_attributes['course_grid'] = 'true';
}
/**
* Not the best place to make this call this but we need to load the
* Course Grid resources.
*/
if ( 'true' === $block_attributes['course_grid'] ) {
learndash_enqueue_course_grid_scripts();
}
}
return $block_attributes;
}
// End of functions.
}
}
new LearnDash_Gutenberg_Block_Topic_List();