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<?php |
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namespace Jet_Form_Builder\Blocks; |
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|
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use Jet_Form_Builder\Blocks\Types\Base; |
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use Jet_Form_Builder\Form_Manager; |
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use JFB_Modules\Post_Type\Module as Post_Type_Module; |
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|
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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/** |
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* Class Helper |
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* |
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* @package Jet_Form_Builder\Blocks |
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*/ |
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class Block_Helper { |
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|
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const PREVIEW_NONCE_FIELD = 'jfb_preview_nonce'; |
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const PREVIEW_NONCE_ACTION = 'jfb-preview-form'; |
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|
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/** |
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* @since 3.1.1 |
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* |
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* @param $parsed_block |
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* |
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* @return string |
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* @throws \Exception |
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*/ |
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public static function resolve_name( $parsed_block ): string { |
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$name = is_string( $parsed_block ) ? $parsed_block : $parsed_block['blockName'] ?? ''; |
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|
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// is has 'jet-forms/' namespace in 'blockName' property |
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if ( ! is_string( $name ) || ! self::is_field( $name ) ) { |
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throw new \Exception( 'empty_or_not_field' ); |
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} |
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|
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if ( ! \WP_Block_Type_Registry::get_instance()->is_registered( $name ) ) { |
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throw new \Exception( 'not_block_type' ); |
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} |
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|
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return self::delete_namespace( $name ); |
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} |
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|
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/** |
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* @param $value |
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* @param $blocks |
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* |
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* @return array |
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*/ |
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public static function find_block_by_name( $value, $blocks ): array { |
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return self::find_block_by_attr( $value, 'name', $blocks ); |
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} |
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|
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/** |
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* @param $value |
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* @param $attr_name |
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* @param $blocks |
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* |
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* @return array |
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*/ |
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public static function find_block_by_attr( $value, $attr_name, $blocks ): array { |
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return self::find_block( |
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function ( $block ) use ( $value, $attr_name ) { |
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if ( empty( $block['blockName'] ) || ! self::is_field( $block['blockName'] ) ) { |
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return false; |
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} |
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return ( ( $block['attrs'][ $attr_name ] ?? false ) === $value ); |
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}, |
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$blocks |
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); |
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} |
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|
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public static function find_by_block_name( array $blocks, string $block_name ): array { |
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return self::find_block( |
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function ( $block ) use ( $block_name ) { |
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return ( ( $block['blockName'] ?? false ) === $block_name ); |
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}, |
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$blocks |
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); |
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} |
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|
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public static function get_form_field_names( $blocks ): array { |
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$names = array(); |
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|
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self::find_block( |
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function ( $block ) use ( &$names ) { |
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if ( empty( $block['blockName'] ) || ! self::is_field( $block['blockName'] ) ) { |
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return false; |
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} |
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if ( ! empty( $block['attrs']['name'] ) ) { |
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$names[ $block['attrs']['name'] ] = 1; |
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} |
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|
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return false; |
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}, |
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$blocks |
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); |
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|
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return $names; |
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} |
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|
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public static function find_block( $callback, $blocks ): array { |
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if ( ! is_callable( $callback ) ) { |
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return array(); |
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} |
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foreach ( $blocks as $block ) { |
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if ( ! isset( $block['blockName'] ) && ! isset( $block['attrs'] ) ) { |
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continue; |
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} |
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if ( call_user_func( $callback, $block ) ) { |
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return $block; |
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} |
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|
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if ( 0 < count( $block['innerBlocks'] ?? array() ) ) { |
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$find = self::find_block( $callback, $block['innerBlocks'] ); |
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|
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if ( $find ) { |
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return $find; |
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} |
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} |
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} |
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|
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return array(); |
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} |
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|
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|
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/** |
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* @param $blocks |
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* @param string $scope |
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* |
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* @return array |
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*/ |
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public static function filter_blocks_by_namespace( $blocks, string $scope = Form_Manager::NAMESPACE_FIELDS ): array { |
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$fields = array(); |
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$generator = self::generate_blocks_in_space( $blocks, $scope ); |
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|
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foreach ( $generator as $block ) { |
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$fields[] = $block; |
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} |
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|
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return $fields; |
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} |
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|
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/** |
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* @since 3.1.0 |
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* |
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* @param array $blocks |
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* @param string $scope |
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* |
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* @return \Generator |
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*/ |
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public static function generate_blocks_in_space( |
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array $blocks, |
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string $scope = Form_Manager::NAMESPACE_FIELDS |
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): \Generator { |
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return self::generate_blocks( |
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static function ( $block ) use ( $scope ) { |
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return ( false !== stripos( $block['blockName'], $scope ) ); |
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}, |
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$blocks |
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); |
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} |
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|
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/** |
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* @param $callback |
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* @param array $source |
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* |
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* @return \Generator |
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* @since 3.1.0 |
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*/ |
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public static function generate_blocks( $callback, array $source ): \Generator { |
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foreach ( $source as $index => $block ) { |
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if ( ! isset( $block['blockName'] ) ) { |
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continue; |
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} |
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if ( call_user_func( $callback, $block ) ) { |
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yield $block; |
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} |
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|
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if ( ! empty( $block['innerBlocks'] ) ) { |
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yield from self::generate_blocks( $callback, $block['innerBlocks'] ); |
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} |
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} |
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} |
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|
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public static function is_valid_form_post( $post_id, bool $allow_preview = false ): bool { |
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$post = get_post( $post_id ); |
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|
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if ( ! is_a( $post, \WP_Post::class ) ) { |
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return false; |
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} |
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|
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if ( |
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Post_Type_Module::SLUG === $post->post_type |
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&& 'publish' === $post->post_status |
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) { |
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return true; |
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} |
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|
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return $allow_preview && self::is_valid_preview_form_post( $post ); |
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} |
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|
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public static function is_valid_preview_form_post( $post_id ): bool { |
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$post = get_post( $post_id ); |
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|
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if ( ! is_a( $post, \WP_Post::class ) ) { |
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return false; |
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} |
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|
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$nonce = self::get_preview_nonce(); |
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|
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if ( ! $nonce || ! wp_verify_nonce( $nonce, self::PREVIEW_NONCE_ACTION ) ) { |
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return false; |
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} |
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|
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if ( Post_Type_Module::SLUG === $post->post_type ) { |
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return current_user_can( 'edit_jet_fb_form', $post->ID ); |
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} |
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|
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if ( 'revision' !== $post->post_type ) { |
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return false; |
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} |
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|
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$parent_form_id = (int) $post->post_parent; |
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$parent_form = $parent_form_id ? get_post( $parent_form_id ) : null; |
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|
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if ( ! $parent_form || Post_Type_Module::SLUG !== $parent_form->post_type ) { |
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return false; |
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} |
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return current_user_can( 'edit_jet_fb_form', $parent_form_id ); |
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} |
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|
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public static function get_preview_nonce(): string { |
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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if ( empty( $_REQUEST[ self::PREVIEW_NONCE_FIELD ] ) ) { |
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return ''; |
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} |
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|
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// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
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return sanitize_text_field( wp_unslash( $_REQUEST[ self::PREVIEW_NONCE_FIELD ] ) ); |
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} |
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|
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public static function get_blocks_by_post( |
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$post_id, |
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bool $require_form_post = true, |
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bool $allow_preview = false |
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): array { |
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$post = get_post( $post_id ); |
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|
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if ( ! is_a( $post, \WP_Post::class ) ) { |
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return array(); |
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} |
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|
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if ( $require_form_post && ! self::is_valid_form_post( $post, $allow_preview ) ) { |
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return array(); |
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} |
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|
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return self::get_blocks_from_content( $post->post_content ); |
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} |
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|
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/** |
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* Parses block content and expands reusable (`core/block`) references in exactly the |
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* same way as `get_blocks_by_post()`. |
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* |
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* @param string $post_content |
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* |
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* @return array |
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*/ |
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public static function get_blocks_from_content( string $post_content ): array { |
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return array_map( |
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function ( $block ) { |
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self::walk_by_reusable( $block, array() ); |
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|
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return $block; |
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}, |
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parse_blocks( $post_content ) |
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); |
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} |
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|
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/** |
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* @param array $block |
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* @param array $visited_reusable_ids IDs already visited in the current reference path. |
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*/ |
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private static function walk_by_reusable( array &$block, array $visited_reusable_ids ) { |
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if ( ! empty( $block['innerBlocks'] ) ) { |
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foreach ( $block['innerBlocks'] as &$current ) { |
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self::walk_by_reusable( $current, $visited_reusable_ids ); |
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} |
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|
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return; |
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} |
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|
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if ( 'core/block' !== $block['blockName'] ) { |
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return; |
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} |
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|
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$reusable_id = (int) ( $block['attrs']['ref'] ?? 0 ); |
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|
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if ( ! $reusable_id || isset( $visited_reusable_ids[ $reusable_id ] ) ) { |
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$block['innerBlocks'] = array(); |
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|
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return; |
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} |
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|
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$reusable = get_post( $reusable_id ); |
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|
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if ( ! $reusable instanceof \WP_Post ) { |
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$block['innerBlocks'] = array(); |
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|
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return; |
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} |
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|
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$visited_reusable_ids[ $reusable_id ] = true; |
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$block['innerBlocks'] = array_map( |
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function ( $inner_block ) use ( $visited_reusable_ids ) { |
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self::walk_by_reusable( $inner_block, $visited_reusable_ids ); |
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|
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return $inner_block; |
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}, |
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parse_blocks( $reusable->post_content ) |
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); |
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} |
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|
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public static function delete_namespace( $block ): string { |
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if ( is_array( $block ) ) { |
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$block = $block['blockName'] ?? ''; |
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} |
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|
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if ( stripos( $block, '/' ) === false ) { |
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return $block; |
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} |
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|
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return explode( '/', $block )[1] ?? ''; |
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} |
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|
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public static function is_field( string $block_name ): bool { |
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return ( stripos( $block_name, Form_Manager::NAMESPACE_FIELDS ) !== false ); |
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} |
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|
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public static function render_with_context( $block, $context ) { |
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return ( new \WP_Block( $block, $context ) )->render(); |
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} |
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|
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public static function pref( string $block_name ): string { |
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return Form_Manager::NAMESPACE_FIELDS . self::delete_namespace( $block_name ); |
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} |
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|
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public static function get_attrs_from_block( array $block, array $attrs_list ): array { |
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$source = $block['attrs'] ?? $block; |
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$attrs = array(); |
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|
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foreach ( $attrs_list as $attr_name ) { |
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if ( ! isset( $source[ $attr_name ] ) ) { |
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continue; |
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} |
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$attrs[ $attr_name ] = $source[ $attr_name ]; |
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} |
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|
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return $attrs; |
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} |
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|
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/** |
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* @param $names |
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* |
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* @return array|string |
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*/ |
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public static function get_block_names( $names ) { |
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if ( ! is_array( $names ) ) { |
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$block = jet_form_builder()->blocks->get_field_by_name( $names ); |
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|
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return $block->get_name(); |
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} |
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|
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return array_map( |
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array( static::class, 'get_block_names' ), |
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$names |
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); |
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} |
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|
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public static function current_block(): array { |
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return is_array( \WP_Block_Supports::$block_to_render ) |
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? \WP_Block_Supports::$block_to_render |
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: array(); |
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} |
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|
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|
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/** |
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* @return \WP_Block_Type|null |
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*/ |
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public static function current_block_type() { |
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$name = self::current_block()['blockName'] ?? ''; |
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|
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return \WP_Block_Type_Registry::get_instance()->get_registered( $name ); |
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} |
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|
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} |
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|
