Site Editor: Sync export API

lib/compat/wordpress-5.9/block-template-utils.php

@@ -891,3 +891,57 @@ function block_footer_area() {
 		block_template_part( 'footer' );
 	}
 }
+
+if ( ! function_exists( 'wp_generate_block_templates_export_file' ) ) {
+	/**
+	 * Creates an export of the current templates and
+	 * template parts from the site editor at the
+	 * specified path in a ZIP file.
+	 *
+	 * @since 5.9.0
+	 *
+	 * @return WP_Error|string Path of the ZIP file or error on failure.
+	 */
+	function wp_generate_block_templates_export_file() {
+		if ( ! class_exists( 'ZipArchive' ) ) {
+			return new WP_Error( __( 'Zip Export not supported.', 'gutenberg' ) );
+		}
+
+		$obscura  = wp_generate_password( 12, false, false );
+		$filename = get_temp_dir() . 'edit-site-export-' . $obscura . '.zip';
+
+		$zip = new ZipArchive();
+		if ( true !== $zip->open( $filename, ZipArchive::CREATE ) ) {
+			return new WP_Error( __( 'Unable to open export file (archive) for writing.', 'gutenberg' ) );
+		}
+
+		$zip->addEmptyDir( 'theme' );
+		$zip->addEmptyDir( 'theme/templates' );
+		$zip->addEmptyDir( 'theme/parts' );
+
+		// Load templates into the zip file.
+		$templates = get_block_templates();
+		foreach ( $templates as $template ) {
+			$template->content = _remove_theme_attribute_in_block_template_content( $template->content );
+
+			$zip->addFromString(
+				'theme/templates/' . $template->slug . '.html',
+				$template->content
+			);
+		}
+
+		// Load template parts into the zip file.
+		$template_parts = get_block_templates( array(), 'wp_template_part' );
+		foreach ( $template_parts as $template_part ) {
+			$zip->addFromString(
+				'theme/parts/' . $template_part->slug . '.html',
+				$template_part->content
+			);
+		}
+
+		// Save changes to the zip file.
+		$zip->close();
+
+		return $filename;
+	}
+}

lib/compat/wordpress-5.9/class-wp-rest-edit-site-export-controller.php

@@ -66,7 +66,7 @@ public function permissions_check() {
 	 */
 	public function export() {
 		// Generate the export file.
-		$filename = wp_generate_edit_site_export_file();
+		$filename = wp_generate_block_templates_export_file();
 
 		if ( is_wp_error( $filename ) ) {
 			return $filename;

lib/load.php

@@ -97,7 +97,6 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/compat/wordpress-5.9/get-global-styles-and-settings.php';
 require __DIR__ . '/compat/wordpress-5.9/json-file-decode.php';
 require __DIR__ . '/compat/wordpress-5.9/translate-settings-using-i18n-schema.php';
-require __DIR__ . '/compat/wordpress-5.9/edit-site-export.php';
 require __DIR__ . '/editor-settings.php';
 
 if ( ! class_exists( 'WP_Block_Template' ) ) {

phpunit/class-block-templates-test.php

@@ -328,4 +328,35 @@ function test_flatten_blocks() {
 		$expected                     = array( $blocks[0] );
 		$this->assertEquals( $expected, $actual );
 	}
+
+	/**
+	 * Should generate block templates export file.
+	 */
+	function test_wp_generate_block_templates_export_file() {
+		$filename = wp_generate_block_templates_export_file();
+		$this->assertFileExists( $filename, 'zip file is created at the specified path' );
+		$this->assertTrue( filesize( $filename ) > 0, 'zip file is larger than 0 bytes' );
+
+		// Open ZIP file and make sure the directories exist.
+		$zip = new ZipArchive();
+		$zip->open( $filename );
+		$has_theme_dir                = $zip->locateName( 'theme/' ) !== false;
+		$has_block_templates_dir      = $zip->locateName( 'theme/templates/' ) !== false;
+		$has_block_template_parts_dir = $zip->locateName( 'theme/parts/' ) !== false;
+		$this->assertTrue( $has_theme_dir, 'theme directory exists' );
+		$this->assertTrue( $has_block_templates_dir, 'theme/templates directory exists' );
+		$this->assertTrue( $has_block_template_parts_dir, 'theme/parts directory exists' );
+
+		// ZIP file contains at least one HTML file.
+		$has_html_files = false;
+		$num_files      = $zip->numFiles;
+		for ( $i = 0; $i < $num_files; $i++ ) {
+			$filename = $zip->getNameIndex( $i );
+			if ( '.html' === substr( $filename, -5 ) ) {
+				$has_html_files = true;
+				break;
+			}
+		}
+		$this->assertTrue( $has_html_files, 'contains at least one html file' );
+	}
 }