index.php
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<?php
/**
* Handles all server side logic for the ld-infobar Gutenberg Block. This block is functionally the same
* as the ld_infobar shortcode used within LearnDash.
*
* @package LearnDash
* @since 4.0.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'LearnDash_Gutenberg_Block' ) ) && ( ! class_exists( 'LearnDash_Gutenberg_Block_Infobar' ) ) ) {
/**
* Class for handling LearnDash Infobar Block
*/
class LearnDash_Gutenberg_Block_Infobar extends LearnDash_Gutenberg_Block {
/**
* Object constructor
*/
public function __construct() {
$this->shortcode_slug = 'ld_infobar';
$this->block_slug = 'ld-infobar';
$this->block_attributes = array(
'display_type' => array(
'type' => 'string',
),
'course_id' => array(
'type' => 'string',
),
'post_id' => array(
'type' => 'string',
),
'group_id' => array(
'type' => 'string',
),
'user_id' => array(
'type' => 'string',
),
'preview_show' => array(
'type' => 'boolean',
),
'preview_user_id' => array(
'type' => 'string',
),
'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_infobar] shortcode.
*
* @since 2.5.9
*
* @param array $block_attributes The block attributes.
* @param string $block_content The block content.
* @param WP_Block|null $block The block object.
*
* @return string $block_content The block content.
*/
public function render_block( $block_attributes = array(), $block_content = '', WP_Block $block = null ) {
$block_attributes = $this->preprocess_block_attributes( $block_attributes );
if ( $this->block_attributes_is_editing_post( $block_attributes ) ) {
/** This block does not support the Legacy template. */
if ( 'legacy' === LearnDash_Theme_Register::get_active_theme_key() ) {
return '';
}
/**
* We are only attempting to validate the block settings to display any errors to the user editing the post.
*/
$block_attributes['course_id'] = $this->block_attributes_get_post_id( $block_attributes, 'course' );
$block_attributes['post_id'] = $this->block_attributes_get_post_id( $block_attributes, 'post' );
$block_attributes['group_id'] = $this->block_attributes_get_post_id( $block_attributes, 'group' );
if ( ( empty( $block_attributes['course_id'] ) ) && ( empty( $block_attributes['post_id'] ) ) && ( empty( $block_attributes['group_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 ( in_array( $edit_post_type, learndash_get_post_types( 'course' ), true ) ) {
if ( ! empty( $edit_post_id ) ) {
$block_attributes['post_id'] = $edit_post_id;
}
$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'] ) ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Course, Group.
_x( '%1$s ID or %2$s ID is required.', 'placeholder: Course, Group', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' ),
LearnDash_Custom_Label::get_label( 'group' )
) . '</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['post_id'] ) ) {
$post_post = get_post( $block_attributes['post_id'] );
if ( ( ! is_a( $post_post, 'WP_Post' ) ) || ( ! in_array( $post_post->post_type, learndash_get_post_types( 'course' ), true ) ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . esc_html__( 'Invalid Step ID.', 'learndash' ) . '</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;
}
// End of functions.
}
}
new LearnDash_Gutenberg_Block_Infobar();