version 4.13.0

includes/builder/feature/content-retriever/ContentRetriever.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * Content Retriever is home for functions which return non-ajax WordPress Content.
+ *
+ * @since 4.11.0
+ *
+ * @package     Divi
+ * @sub-package Builder
+ */
+
+namespace Feature\ContentRetriever;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+/**
+ * Load traits, No autoloader yet :sad_pepe:
+ */
+require_once __DIR__ . '/retrievers/PageContentRetriever.php';
+
+/**
+ * Class ET_Builder_Content_Retriever
+ */
+class ET_Builder_Content_Retriever {
+
+	/**
+	 * Import traits dependencies.
+	 * Keep the code clean and the logic separated.
+	 */
+	use PageContentRetriever;
+
+	/**
+	 * Holds the class instance.
+	 *
+	 * @var null
+	 */
+	private static $_instance = null;
+
+	/**
+	 * Initialize ET_Builder_Content_Retriever class.
+	 */
+	public static function init() {
+		if ( null === self::$_instance ) {
+			self::$_instance = new ET_Builder_Content_Retriever();
+		}
+
+		return self::$_instance;
+	}
+
+}
+
+ET_Builder_Content_Retriever::init();

includes/builder/feature/content-retriever/retrievers/PageContentRetriever.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Page Content Retriever is used to get Page related Contents from WordPress.
+ *
+ * @since 4.11.0
+ *
+ * @package     Divi
+ * @sub-package Builder
+ */
+
+namespace Feature\ContentRetriever;
+
+/**
+ * PageContentRetriever Trait.
+ */
+trait PageContentRetriever {
+
+	/**
+	 * Holds a Cache reference for every page content retrieved.
+	 *
+	 * @var array
+	 */
+	private $_cache = [];
+
+	/**
+	 * Gets the entire page content, including TB Header, TB Body Layout, Post Content and TB Footer.
+	 *
+	 * Parameter $post must be given as a variable, since it is passed by reference.
+	 * If $post is not given, It then uses global $post if available.
+	 *
+	 * @since 4.11.0
+	 *
+	 * @param  WP_Post|int $post Optional. WP_Post instance or Post ID. Default null.
+	 *
+	 * @return null|string null on failure, string on success.
+	 */
+	public function get_entire_page_content( $post = null ) {
+
+		/**
+		 * Validation Checks.
+		 */
+		$is_using_global_post = false;
+
+		if ( empty( $post ) && isset( $GLOBALS['post'] ) ) {
+			$post                 = $GLOBALS['post'];
+			$is_using_global_post = true;
+		}
+
+		if ( $post instanceof \WP_Post ) {
+			$wp_post = $post;
+		} else {
+			$wp_post = \WP_Post::get_instance( $post );
+		}
+
+		if ( ! $wp_post ) {
+			return null;
+		}
+
+		/**
+		 * Core mechanics for retrieving content.
+		 */
+		if ( $this->_cache && isset( $this->_cache[ $wp_post->ID ] ) ) {
+			return $this->_cache[ $wp_post->ID ];
+		}
+
+		if ( $is_using_global_post ) {
+			$layouts = et_theme_builder_get_template_layouts();
+		} else {
+			$layouts = et_theme_builder_get_template_layouts( \ET_Theme_Builder_Request::from_post( $wp_post->ID ) );
+		}
+
+		$entire_page_content = '';
+		$enabled_layout_ids  = [
+			ET_THEME_BUILDER_HEADER_LAYOUT_POST_TYPE => null,
+			ET_THEME_BUILDER_BODY_LAYOUT_POST_TYPE   => null,
+			'content'                                => 'content',
+			ET_THEME_BUILDER_FOOTER_LAYOUT_POST_TYPE => null,
+		];
+
+		foreach ( $layouts as $key => $layout ) {
+			$is_layout_enabled          = isset( $layout['enabled'], $layout['override'] ) && true === $layout['enabled'] && true === $layout['override'];
+			$enabled_layout_ids[ $key ] = ( array_key_exists( $key, $enabled_layout_ids ) && $is_layout_enabled ) ? $layout['id'] : null;
+		}
+
+		$enabled_layout_ids = array_filter( $enabled_layout_ids );
+
+		/**
+		 * $enabled_layout_ids will be in the following order, (assuming each are present):
+		 * header, body, footer.
+		 * We're intentionally adding the post content so that it's appended
+		 * right after the body layout, making the final order of $entire_page_content:
+		 * header, body, post content, footer.
+		 * They need to be in order for Critical CSS. Otherwise we don't know what
+		 * content comes first and is above the fold.
+		 */
+		foreach ( $enabled_layout_ids as $key => $layout_id ) {
+			if ( 'content' === $layout_id ) {
+				$entire_page_content .= $wp_post->post_content;
+			} else {
+				$layout               = get_post( $layout_id );
+				$entire_page_content .= $layout->post_content;
+			}
+		}
+
+		$this->_cache = array_replace( $this->_cache, [ $wp_post->ID => $entire_page_content ] );
+
+		return $entire_page_content;
+	}
+
+}