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<?php
/**
* Handles all server side logic for the ld-certificate Gutenberg Block. This block is functionally the same
* as the [ld_certificate] shortcode used within LearnDash.
*
* @package LearnDash
* @since 3.1.4
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'LearnDash_Gutenberg_Block' ) ) && ( ! class_exists( 'LearnDash_Gutenberg_Block_Certificate' ) ) ) {
/**
* Class for handling LearnDash LearnDash_Gutenberg_Block_Certificate Block
*/
class LearnDash_Gutenberg_Block_Certificate extends LearnDash_Gutenberg_Block {
/**
* Object constructor
*/
public function __construct() {
$this->shortcode_slug = 'ld_certificate';
$this->block_slug = 'ld-certificate';
$this->self_closing = true;
$this->block_attributes = array(
'display_type' => array(
'type' => 'string',
),
'course_id' => array(
'type' => 'string',
),
'group_id' => array(
'type' => 'string',
),
'quiz_id' => array(
'type' => 'string',
),
'user_id' => array(
'type' => 'string',
),
'display_as' => array(
'type' => 'string',
),
'label' => array(
'type' => 'string',
),
'class_html' => array(
'type' => 'string',
),
'context' => array(
'type' => 'string',
),
'callback' => array(
'type' => 'string',
),
'preview_show' => array(
'type' => 'boolean',
),
'preview_user_id' => array(
'type' => 'string',
),
'example_show' => array(
'type' => 'boolean',
),
'editing_post_meta' => array(
'type' => 'object',
),
);
$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 3.1.4
*
* @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 );
if ( ( isset( $block_attributes['example_show'] ) ) && ( ! empty( $block_attributes['example_show'] ) ) ) {
$block_attributes['course_id'] = $this->get_example_post_id( learndash_get_post_type_slug( 'course' ) );
$block_attributes['user_id'] = $this->get_example_user_id();
$block_attributes['preview_show'] = true;
$block_attributes['display_as'] = 'button';
unset( $block_attributes['example_show'] );
}
// 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['course_id'] = $this->block_attributes_get_post_id( $block_attributes, 'course' );
$block_attributes['group_id'] = $this->block_attributes_get_post_id( $block_attributes, 'group' );
$block_attributes['quiz_id'] = $this->block_attributes_get_post_id( $block_attributes, 'quiz' );
$block_attributes['user_id'] = $this->block_attributes_get_user_id( $block_attributes );
if ( ( empty( $block_attributes['course_id'] ) ) && ( empty( $block_attributes['group_id'] ) ) && ( empty( $block_attributes['quiz_id'] ) ) ) {
$edit_post_type = $this->block_attributes_get_editing_post_type( $block_attributes );
$edit_post_id = $this->block_attributes_get_editing_post_id( $block_attributes );
if ( learndash_get_post_type_slug( 'group' ) === $edit_post_type ) {
if ( ! empty( $edit_post_id ) ) {
$block_attributes['group_id'] = $edit_post_id;
}
}
if ( learndash_get_post_type_slug( 'quiz' ) === $edit_post_type ) {
if ( ! empty( $edit_post_id ) ) {
$block_attributes['quiz_id'] = $edit_post_id;
}
}
if ( in_array( $edit_post_type, learndash_get_post_types( 'course' ), true ) ) {
$course_id = $this->block_attributes_get_editing_course_id( $block_attributes );
if ( ! empty( $course_id ) ) {
$block_attributes['course_id'] = $course_id;
} elseif ( ! empty( $edit_post_id ) ) {
$course_id = learndash_get_course_id( $edit_post_id );
if ( ! empty( $course_id ) ) {
$block_attributes['course_id'] = $course_id;
}
}
}
}
if ( ( empty( $block_attributes['course_id'] ) ) && ( empty( $block_attributes['group_id'] ) ) && ( empty( $block_attributes['quiz_id'] ) ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Course, Group, Quiz.
_x( '%1$s ID, %2$s ID, or %3$s ID is required.', 'placeholder: Course, Group, Quiz', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' ),
LearnDash_Custom_Label::get_label( 'group' ),
LearnDash_Custom_Label::get_label( 'quiz' )
) . '</span>'
);
}
if ( ! empty( $block_attributes['course_id'] ) ) {
$course_post = get_post( $block_attributes['course_id'] );
if ( ( ! is_a( $course_post, 'WP_Post' ) ) || ( learndash_get_post_type_slug( 'course' ) !== $course_post->post_type ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Course.
_x( 'Invalid %1$s ID.', 'placeholder: Course', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' )
) . '</span>'
);
}
}
if ( ! empty( $block_attributes['group_id'] ) ) {
$group_post = get_post( $block_attributes['group_id'] );
if ( ( ! is_a( $group_post, 'WP_Post' ) ) || ( learndash_get_post_type_slug( 'group' ) !== $group_post->post_type ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Group.
_x( 'Invalid %1$s ID.', 'placeholder: Group', 'learndash' ),
LearnDash_Custom_Label::get_label( 'group' )
) . '</span>'
);
}
}
if ( ! empty( $block_attributes['quiz_id'] ) ) {
$quiz_post = get_post( $block_attributes['quiz_id'] );
if ( ( ! is_a( $quiz_post, 'WP_Post' ) ) || ( learndash_get_post_type_slug( 'quiz' ) !== $quiz_post->post_type ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Quiz.
_x( 'Invalid %1$s ID.', 'placeholder: Quiz', 'learndash' ),
LearnDash_Custom_Label::get_label( 'quiz' )
) . '</span>'
);
}
}
}
/** This filter is documented in includes/gutenberg/blocks/ld-course-list/index.php */
$block_attributes = apply_filters( 'learndash_block_markers_shortcode_atts', $block_attributes, $this->shortcode_slug, $this->block_slug, '' );
$shortcode_out = '';
$shortcode_str = $this->build_block_shortcode( $block_attributes, $block_content );
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 );
}
}
return $shortcode_out;
}
/**
* Called from the LD function learndash_convert_block_markers_shortcode() when parsing the block content.
*
* @since 3.1.4
*
* @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['class_html'] ) ) {
$block_attributes['class'] = esc_attr( $block_attributes['class_html'] );
unset( $block_attributes['class_html'] );
}
}
return $block_attributes;
}
// End of functions.
}
}
new LearnDash_Gutenberg_Block_Certificate();