gutenberg / lib / edit-site-export.php

edit-site-export.php in Gutenberg 9.7.3, at lib/edit-site-export.php

128 lines 3.4 KB

Raw Download Zip

1	<?php
2	/**
3	* REST endpoint for exporting the contents of the Edit Site Page editor.
4	*
5	* @package gutenberg
6	*/
7
8	/**
9	* Output a ZIP file with an export of the current templates
10	* and template parts from the site editor, and close the connection.
11	*/
12	function gutenberg_edit_site_export() {
13	// Theme templates and template parts need to be synchronized
14	// before the export.
15	_gutenberg_synchronize_theme_templates( 'template-part' );
16	_gutenberg_synchronize_theme_templates( 'template' );
17
18	// Create ZIP file and directories.
19	$filename = tempnam( get_temp_dir(), 'edit-site-export' );
20	$zip = new ZipArchive();
21	$zip->open( $filename, ZipArchive::OVERWRITE );
22	$zip->addEmptyDir( 'theme' );
23	$zip->addEmptyDir( 'theme/block-templates' );
24	$zip->addEmptyDir( 'theme/block-template-parts' );
25
26	$theme = wp_get_theme()->get_stylesheet();
27
28	// Load templates into the zip file.
29	$template_query = new WP_Query(
30	array(
31	'post_type' => 'wp_template',
32	'post_status' => array( 'publish', 'auto-draft' ),
33	'tax_query' => array(
34	array(
35	'taxonomy' => 'wp_theme',
36	'field' => 'slug',
37	'terms' => $theme,
38	),
39	),
40	'posts_per_page' => -1,
41	'no_found_rows' => true,
42	)
43	);
44	while ( $template_query->have_posts() ) {
45	$template = $template_query->next_post();
46	$zip->addFromString(
47	'theme/block-templates/' . $template->post_name . '.html',
48	gutenberg_strip_post_ids_from_template_part_blocks( $template->post_content )
49	);
50	}
51
52	// Load template parts into the zip file.
53	$template_part_query = new WP_Query(
54	array(
55	'post_type' => 'wp_template_part',
56	'post_status' => array( 'publish', 'auto-draft' ),
57	'tax_query' => array(
58	array(
59	'taxonomy' => 'wp_theme',
60	'field' => 'slug',
61	'terms' => $theme,
62	),
63	),
64	'posts_per_page' => -1,
65	'no_found_rows' => true,
66	)
67	);
68	while ( $template_part_query->have_posts() ) {
69	$template_part = $template_part_query->next_post();
70	$zip->addFromString(
71	'theme/block-template-parts/' . $template_part->post_name . '.html',
72	gutenberg_strip_post_ids_from_template_part_blocks( $template_part->post_content )
73	);
74	}
75
76	// Send back the ZIP file.
77	$zip->close();
78	header( 'Content-Type: application/zip' );
79	header( 'Content-Disposition: attachment; filename=edit-site-export.zip' );
80	header( 'Content-Length: ' . filesize( $filename ) );
81	flush();
82	echo readfile( $filename );
83	die();
84	}
85
86	add_action(
87	'rest_api_init',
88	function () {
89	register_rest_route(
90	'__experimental/edit-site/v1',
91	'/export',
92	array(
93	'methods' => 'GET',
94	'callback' => 'gutenberg_edit_site_export',
95	'permission_callback' => function () {
96	return current_user_can( 'edit_theme_options' );
97	},
98	)
99	);
100	}
101	);
102
103	/**
104	* Remove post id attributes from template part blocks.
105	*
106	* This is needed so that Gutenberg loads the HTML file of the template, instead of looking for a template part post.
107	*
108	* @param string $template_content Template content to modify.
109	*
110	* @return string Potentially modified template content.
111	*/
112	function gutenberg_strip_post_ids_from_template_part_blocks( $template_content ) {
113	$blocks = parse_blocks( $template_content );
114
115	array_walk(
116	$blocks,
117	function( &$block ) {
118	if ( 'core/template-part' !== $block['blockName'] ) {
119	return;
120	}
121
122	unset( $block['attrs']['postId'] );
123	}
124	);
125
126	return serialize_blocks( $blocks );
127	}
128