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202 lines
6.6 KiB
PHP
202 lines
6.6 KiB
PHP
<?php
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/**
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* ET_GB_Block_Post_Excerpt class file.
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*
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* @class ET_GB_Block_Post_Excerpt
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* @package Builder
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* Class to handle Core - Post Excerpt block integration.
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*/
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class ET_GB_Block_Post_Excerpt {
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/**
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* Class instance.
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*
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* @var ET_GB_Block_Post_Excerpt
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*/
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private static $_instance;
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/**
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* Class constructor.
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*/
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public function __construct() {
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if ( ! et_core_is_gutenberg_active() ) {
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return;
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}
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$this->register_hooks();
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}
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/**
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* Get class instance.
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*
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* @since 4.14.5
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*
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* @return ET_GB_Block_Post_Excerpt Class instance.
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*/
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public static function instance() {
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if ( null === self::$_instance ) {
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self::$_instance = new self();
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}
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return self::$_instance;
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}
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/**
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* Register hooks
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*
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* @since 4.14.5
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*/
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public function register_hooks() {
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add_filter( 'render_block_core/post-excerpt', array( $this, 'render_block' ), 10, 2 );
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add_filter( 'get_the_excerpt', array( $this, 'get_the_post_excerpt' ) );
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}
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/**
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* Filter rendered Core - Post Excerpt block on FE.
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*
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* @since 4.14.5
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*
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* @param string $block_content Saved & serialized block data.
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* @param array $parsed_block Block info.
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*
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* @return string Modified block post excerpt.
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*/
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public function render_block( $block_content, $parsed_block ) {
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$attributes = ! empty( $parsed_block['attrs'] ) ? $parsed_block['attrs'] : array();
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return $this->get_rendered_post_excerpt( $block_content, true, $attributes );
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}
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/**
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* Filter post excerpt of REST API request.
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*
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* Only filter post excerpt rendered from REST API request. This API request is being
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* used by Block Editor.
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*
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* @since 4.14.5
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*
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* @param string $post_excerpt Current post excerpt rendered.
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*
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* @return string Modified post excerpt.
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*/
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public function get_the_post_excerpt( $post_excerpt ) {
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// Bail early if current request is not REST API request.
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if ( ! defined( 'REST_REQUEST' ) || ! REST_REQUEST ) {
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return $post_excerpt;
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}
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return $this->get_rendered_post_excerpt( $post_excerpt );
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}
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/**
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* Get rendered post excerpt built with builder. Always return rendered $block_excerpt
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* because it's already wrapped with Post Excerpt block wrapper.
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*
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* @since 4.14.5
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*
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* @param string $block_excerpt Current rendered post excerpt.
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* @param boolean $is_wrapped Whether the post excerpt is wrapped or not.
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* @param array $attributes Block attributes values.
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*
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* @return string Old or new rendered post excerpt.
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*/
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public function get_rendered_post_excerpt( $block_excerpt, $is_wrapped = false, $attributes = array() ) {
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// Bail early if no global post. Need to get the post here due to some issues with
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// 3rd party plugins regarding missing 2nd arg on the `get_the_excerpt` filter.
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$post_id = ! empty( $attributes['postId'] ) ? (int) $attributes['postId'] : 0;
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$post = $post_id ? get_post( $post_id ) : get_post();
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if ( empty( $post ) ) {
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return $block_excerpt;
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}
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if ( ! empty( $post->post_excerpt ) ) {
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return $block_excerpt;
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}
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// Bail early if Builder framework is not loaded. There are some cases where 3rd
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// party plugins run scan without visiting theme functions file.
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if ( ! function_exists( 'et_builder_load_framework' ) ) {
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return $block_excerpt;
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}
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if ( ! et_pb_is_pagebuilder_used( $post->ID ) ) {
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return $block_excerpt;
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}
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static $et_rendered_post_excerpt = array();
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// Bail early if current post is already processed.
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if ( isset( $et_rendered_post_excerpt[ $post->ID ] ) ) {
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return $et_rendered_post_excerpt[ $post->ID ];
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}
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// 1. Ensure all the ET shortcode are registered.
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if ( ! did_action( 'et_builder_ready' ) ) {
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// When the `get_the_excerpt` filter is called by Query Loop block on the FE,
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// the `ET_Builder_Element` class is loaded properly but no ET shortcode is
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// registered yet. In this case, we can call `et_builder_init_global_settings`
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// & `et_builder_add_main_elements` methods directly. However, this class is not
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// loaded on the Block Editor, so we have to load all related files manually
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// before we can call those methods to register the shortcode.
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if ( ! class_exists( 'ET_Builder_Element' ) ) {
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require_once ET_BUILDER_DIR . 'class-et-builder-value.php';
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require_once ET_BUILDER_DIR . 'class-et-builder-element.php';
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require_once ET_BUILDER_DIR . 'ab-testing.php';
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}
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et_builder_init_global_settings();
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et_builder_add_main_elements();
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et_builder_settings_init();
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}
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// 2. Generate Builder post excerpt.
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// WordPress post excerpt length comes from `excerpt_length` filter. And, it's
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// words based length, not characters based length.
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$excerpt_length = apply_filters( 'excerpt_length', 55 );
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$new_post_excerpt = et_core_intentionally_unescaped( wpautop( et_delete_post_first_video( truncate_post( $excerpt_length, false, $post, true, true ) ) ), 'html' );
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// 3. Ensure to return the block wrapper if the $block_excerpt is already wrapped.
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if ( $is_wrapped && ! empty( $new_post_excerpt ) ) {
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$new_post_excerpt = wp_strip_all_tags( $new_post_excerpt );
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// If generated block excerpt is not empty, we just need to replace the excerpt
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// text with the new one. Otherwise, we have to rebuilt the block excerpt.
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if ( ! empty( $block_excerpt ) ) {
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$wrapper = '/(<p class="wp-block-post-excerpt__excerpt">)(.*?)(<a|<\/p>)/';
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$new_post_excerpt = preg_replace( $wrapper, "$1{$new_post_excerpt}$3", $block_excerpt );
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} else {
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// 3.a. More Text.
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$more_text = ! empty( $attributes['moreText'] ) ? '<a class="wp-block-post-excerpt__more-link" href="' . esc_url( get_the_permalink( $post->ID ) ) . '">' . esc_html( $attributes['moreText'] ) . '</a>' : '';
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// 3.b. Text Align Class.
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$classes = ! empty( $attributes['textAlign'] ) ? 'has-text-align-' . esc_attr( $attributes['textAlign'] ) : '';
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$wrapper_attrs = get_block_wrapper_attributes( array( 'class' => $classes ) );
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// 3.c. Post Excerpt Content.
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$content = '<p class="wp-block-post-excerpt__excerpt">' . $new_post_excerpt;
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$show_more_on_new_line = et_()->array_get( $attributes, 'showMoreOnNewLine', true );
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if ( $show_more_on_new_line && ! empty( $more_text ) ) {
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$content .= '</p><p class="wp-block-post-excerpt__more-text">' . $more_text . '</p>';
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} else {
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$content .= $more_text . '</p>';
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}
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$new_post_excerpt = sprintf( '<div %1$s>%2$s</div>', $wrapper_attrs, $content );
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}
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}
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$et_rendered_post_excerpt[ $post->ID ] = $new_post_excerpt;
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return $new_post_excerpt;
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}
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}
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// Initialize ET_GB_Block_Post_Excerpt.
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ET_GB_Block_Post_Excerpt::instance();
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