Block Library: Implement Post blocks context server-side.

lib/blocks.php

@@ -32,6 +32,7 @@ function gutenberg_reregister_core_block_types() {
 		'tag-cloud.php'           => 'core/tag-cloud',
 		'site-title.php'          => 'core/site-title',
 		'template-part.php'       => 'core/template-part',
+		'post.php'                => 'core/post',
 		'post-title.php'          => 'core/post-title',
 		'post-content.php'        => 'core/post-content',
 		'post-author.php'         => 'core/post-author',

packages/block-library/src/post-content/index.php

@@ -8,16 +8,20 @@
 /**
  * Renders the `core/post-content` block on the server.
  *
+ * @param array $attributes The block attributes.
+ * @param array $content    The saved content.
+ * @param array $block      The parsed block.
+ *
  * @return string Returns the filtered post content of the current post.
  */
-function render_block_core_post_content() {
-	$post = gutenberg_get_post_from_context();
+function render_block_core_post_content( $attributes, $content, $block ) {
+	$post = isset( $block['context']['postId'] ) ? $block['context']['postId'] : gutenberg_get_post_from_context();
 	if ( ! $post ) {
 		return '';
 	}
 	return (
 		'<div class="entry-content">' .
-			apply_filters( 'the_content', str_replace( ']]>', ']]&gt;', get_the_content( $post ) ) ) .
+			apply_filters( 'the_content', str_replace( ']]>', ']]&gt;', get_the_content( null, false, $post ) ) ) .
 		'</div>'
 	);
 }
@@ -34,6 +38,10 @@ function register_block_core_post_content() {
 		array_merge(
 			$metadata,
 			array(
+				'context'         => array(
+					'postType' => 'core/post',
+					'postId'   => 'core/post',
+				),
 				'render_callback' => 'render_block_core_post_content',
 			)
 		)

packages/block-library/src/post-title/index.php

@@ -8,10 +8,14 @@
 /**
  * Renders the `core/post-title` block on the server.
  *
+ * @param array $attributes The block attributes.
+ * @param array $content    The saved content.
+ * @param array $block      The parsed block.
+ *
  * @return string Returns the filtered post title for the current post wrapped inside "h1" tags.
  */
-function render_block_core_post_title() {
-	$post = gutenberg_get_post_from_context();
+function render_block_core_post_title( $attributes, $content, $block ) {
+	$post = isset( $block['context']['postId'] ) ? $block['context']['postId'] : gutenberg_get_post_from_context();
 	if ( ! $post ) {
 		return '';
 	}
@@ -30,6 +34,10 @@ function register_block_core_post_title() {
 		array_merge(
 			$metadata,
 			array(
+				'context'         => array(
+					'postType' => 'core/post',
+					'postId'   => 'core/post',
+				),
 				'render_callback' => 'render_block_core_post_title',
 			)
 		)

packages/block-library/src/post/index.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Server-side registration of the `core/post` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Registers the `core/post` block on the server.
+ */
+function register_block_core_post() {
+	register_block_type(
+		'core/post',
+		array(
+			'attributes' => array(
+				'postType' => array(
+					'type'    => 'string',
+					'context' => true,
+				),
+				'postId'   => array(
+					'type'    => 'string',
+					'context' => true,
+				),
+			),
+		)
+	);
+}
+add_action( 'init', 'register_block_core_post' );