index.php
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<?php
/**
* Handles all server side logic for the ld-payment-buttons Gutenberg Block. This block is functionally the same
* as the learndash_payment_buttons shortcode used within LearnDash.
*
* @package LearnDash
* @since 2.5.9
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'LearnDash_Gutenberg_Block' ) ) && ( ! class_exists( 'LearnDash_Gutenberg_Payment_Buttons' ) ) ) {
/**
* Class for handling LearnDash Payment Buttons Block
*/
class LearnDash_Gutenberg_Payment_Buttons extends LearnDash_Gutenberg_Block {
/**
* Object constructor
*/
public function __construct() {
$this->shortcode_slug = 'learndash_payment_buttons';
$this->block_slug = 'ld-payment-buttons';
$this->block_attributes = array(
'display_type' => array(
'type' => 'string',
),
'course_id' => array(
'type' => 'string',
),
'group_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_profile] 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
*/
public function render_block( $block_attributes = array(), $block_content = '', WP_Block $block = null ) {
$course_post = 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['course_id'] = $this->block_attributes_get_post_id( $block_attributes, 'course' );
$block_attributes['group_id'] = $this->block_attributes_get_post_id( $block_attributes, 'group' );
if ( ( empty( $block_attributes['course_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 ( learndash_get_post_type_slug( 'course' ) === $edit_post_type ) {
if ( ! empty( $edit_post_id ) ) {
$block_attributes['course_id'] = $edit_post_id;
}
}
}
if ( ( empty( $block_attributes['course_id'] ) ) && ( empty( $block_attributes['group_id'] ) ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Course, Course.
_x( '%1$s ID is required when not used within a %2$s.', 'placeholder: Course, Course', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' ),
LearnDash_Custom_Label::get_label( 'course' )
) . '</span>'
);
}
if ( ! empty( $block_attributes['course_id'] ) ) {
$course_post = get_post( (int) $block_attributes['course_id'] );
if ( ( ! is_a( $course_post, 'WP_Post' ) ) || ( 'sfwd-courses' !== $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( (int) $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( $atts['course_id'] ) ) && ( empty( $atts['course_id'] ) ) ) {
$viewed_post_id = (int) get_the_ID();
if ( ! empty( $viewed_post_id ) ) {
if ( in_array( get_post_type( $viewed_post_id ), learndash_get_post_types( 'course' ), true ) ) {
$block_attributes['course_id'] = learndash_get_course_id( $viewed_post_id );
} elseif ( get_post_type( $viewed_post_id ) === learndash_get_post_type_slug( 'group' ) ) {
$block_attributes['group_id'] = $viewed_post_id;
}
}
}
$shortcode_out = '';
if ( ! empty( $block_attributes['course_id'] ) ) {
$course_price_type = learndash_get_setting( $course_post, 'course_price_type' );
if ( empty( $course_price_type ) ) {
$course_price_type = LEARNDASH_DEFAULT_COURSE_PRICE_TYPE;
}
if ( ! in_array( $course_price_type, array( 'free', 'paynow', 'subscribe' ), true ) ) {
if ( $this->block_attributes_is_editing_post( $block_attributes ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Course.
esc_html_x( '%s Price Type must be Free, PayNow or Subscribe.', 'placeholder: Course', 'learndash' ),
LearnDash_Custom_Label::get_label( 'course' )
) . '</span>'
);
}
}
$shortcode_str = $this->build_block_shortcode( $block_attributes, $block_content );
if ( ! empty( $shortcode_str ) ) {
$shortcode_out = do_shortcode( $shortcode_str );
// In case the button shortcode does not render and if we are editing we show a default button for the output.
if ( ( empty( $shortcode_out ) ) && ( $this->block_attributes_is_editing_post( $block_attributes ) ) ) {
$button_text = LearnDash_Custom_Label::get_label( 'button_take_this_course' );
if ( ! empty( $button_text ) ) {
$shortcode_out = '<a class="btn-join" href="#" id="btn-join">' . $button_text . '</a>';
if ( ! empty( $shortcode_out ) ) {
$shortcode_out = $this->render_block_wrap( $shortcode_out );
}
}
}
}
return $shortcode_out;
} elseif ( ! empty( $block_attributes['group_id'] ) ) {
$group_price_type = learndash_get_setting( $block_attributes['group_id'], 'group_price_type' );
if ( empty( $group_price_type ) ) {
$group_price_type = LEARNDASH_DEFAULT_GROUP_PRICE_TYPE;
}
if ( ! in_array( $group_price_type, array( 'free', 'paynow', 'subscribe' ), true ) ) {
if ( $this->block_attributes_is_editing_post( $block_attributes ) ) {
return $this->render_block_wrap(
'<span class="learndash-block-error-message">' . sprintf(
// translators: placeholder: Group.
esc_html_x( '%s Price Type must be Free, PayNow or Subscribe.', 'placeholder: Group', 'learndash' ),
LearnDash_Custom_Label::get_label( 'group' )
) . '</span>'
);
}
}
$shortcode_str = $this->build_block_shortcode( $block_attributes, $block_content );
if ( ! empty( $shortcode_str ) ) {
$shortcode_out = do_shortcode( $shortcode_str );
// In case the button shortcode does not render and if we are editing we show a default button for the output.
if ( ( empty( $shortcode_out ) ) && ( $this->block_attributes_is_editing_post( $block_attributes ) ) ) {
$button_text = LearnDash_Custom_Label::get_label( 'button_take_this_group' );
if ( ! empty( $button_text ) ) {
$shortcode_out = '<a class="btn-join" href="#" id="btn-join">' . $button_text . '</a>';
if ( ! empty( $shortcode_out ) ) {
$shortcode_out = $this->render_block_wrap( $shortcode_out );
}
}
}
}
return $shortcode_out;
}
return '';
}
// End of functions.
}
}
new LearnDash_Gutenberg_Payment_Buttons();