convertkit / includes / class-convertkit-gutenberg.php

class-convertkit-gutenberg.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 3.2.2, at includes/class-convertkit-gutenberg.php

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1	<?php
2	/**
3	* ConvertKit Gutenberg class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Registers blocks defined in the `convertkit_blocks` filter in Gutenberg.
11	*
12	* @package ConvertKit
13	* @author ConvertKit
14	*/
15	class ConvertKit_Gutenberg {
16
17	/**
18	* Constructor
19	*
20	* @since 1.9.6
21	*/
22	public function __construct() {
23
24	// Register Gutenberg Block Categories and Blocks.
25	if ( get_bloginfo( 'version' ) >= 5.8 ) {
26	// Filter changed in 5.8.
27	add_filter( 'block_categories_all', array( $this, 'add_block_categories' ), 10, 2 );
28	} else {
29	add_filter( 'block_categories', array( $this, 'add_block_categories' ), 10, 2 );
30	}
31
32	// Register Gutenberg Blocks.
33	add_action( 'init', array( $this, 'add_blocks' ) );
34
35	// Register REST API routes.
36	add_action( 'rest_api_init', array( $this, 'register_routes' ) );
37
38	}
39
40	/**
41	* Register REST API routes.
42	*
43	* @since 3.1.0
44	*/
45	public function register_routes() {
46
47	// Register route to refresh resources andreturn all blocks registered by the Plugin,
48	// when the user clicks the refresh button in the Gutenberg editor.
49	register_rest_route(
50	'kit/v1',
51	'/blocks',
52	array(
53	'methods' => WP_REST_Server::READABLE,
54
55	// Return blocks.
56	'callback' => function () {
57	// Refresh Forms.
58	$forms = new ConvertKit_Resource_Forms( 'block_edit' );
59	$result = $forms->refresh();
60	if ( is_wp_error( $result ) ) {
61	// Return blocks without refreshing other resources.
62	return rest_ensure_response( convertkit_get_blocks() );
63	}
64
65	// Refresh Posts.
66	$posts = new ConvertKit_Resource_Posts( 'block_edit' );
67	$result = $posts->refresh();
68	if ( is_wp_error( $result ) ) {
69	// Return blocks without refreshing other resources.
70	return rest_ensure_response( convertkit_get_blocks() );
71	}
72
73	// Refresh Products.
74	$products = new ConvertKit_Resource_Products( 'block_edit' );
75	$result = $products->refresh();
76	if ( is_wp_error( $result ) ) {
77	// Return blocks without refreshing other resources.
78	return rest_ensure_response( convertkit_get_blocks() );
79	}
80
81	// Return blocks, which will now include the refreshed resources.
82	return rest_ensure_response( convertkit_get_blocks() );
83	},
84
85	// Only refresh resources for users who can edit posts.
86	'permission_callback' => function () {
87	return current_user_can( 'edit_posts' );
88	},
89	)
90	);
91
92	}
93
94	/**
95	* Registers the ConvertKit Block Category.
96	*
97	* @since 1.9.6
98	*
99	* @param array $categories Block Categories.
100	* @param WP_Post $post WordPress Post.
101	* @return array Block Categories
102	*/
103	public function add_block_categories( $categories, $post ) {
104
105	// Define block categories.
106	$categories = array_merge(
107	$categories,
108	array(
109	array(
110	'slug' => 'convertkit',
111	'title' => 'Kit',
112	),
113	)
114	);
115
116	/**
117	* Adds block categories to the default Gutenberg Block Categories
118	*
119	* @since 1.9.6
120	*
121	* @param array $categories Block Categories
122	* @param WP_Post $post WordPress Post
123	*/
124	$categories = apply_filters( 'convertkit_admin_gutenberg_add_block_categories', $categories, $post );
125
126	// Return filtered results.
127	return $categories;
128
129	}
130
131	/**
132	* Registers Blocks, so that they can be used in the Gutenberg Editor
133	*
134	* @since 1.9.6
135	*/
136	public function add_blocks() {
137
138	// Bail if Gutenberg isn't available.
139	if ( ! function_exists( 'register_block_type' ) ) {
140	return;
141	}
142
143	// Get blocks.
144	$blocks = convertkit_get_blocks();
145
146	// Bail if no blocks are available.
147	if ( ! count( $blocks ) ) {
148	return;
149	}
150
151	// Determine the block API version to use for registering blocks.
152	$block_api_version = $this->get_block_api_version();
153
154	// Get registered blocks.
155	$registered_blocks = array_keys( WP_Block_Type_Registry::get_instance()->get_all_registered() );
156
157	// Iterate through blocks, registering them.
158	foreach ( $blocks as $block => $properties ) {
159
160	// Skip if this block has already been registered.
161	if ( in_array( 'convertkit/' . $block, $registered_blocks, true ) ) {
162	continue;
163	}
164
165	// Register block.
166	register_block_type(
167	CONVERTKIT_PLUGIN_PATH . '/includes/blocks/v' . (string) $block_api_version . '/' . $block,
168	array(
169	'attributes' => $properties['attributes'],
170	'editor_script' => 'convertkit-gutenberg',
171	'render_callback' => array(
172	$properties['render_callback'][0],
173	$properties['render_callback'][1],
174	),
175	)
176	);
177
178	}
179
180	// Enqueue block scripts and styles in the editor view.
181	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
182	add_action( 'enqueue_block_assets', array( $this, 'enqueue_styles' ) );
183
184	// Enqueue block scripts and styles in the editor and frontend views.
185	add_action( 'enqueue_block_assets', array( $this, 'enqueue_scripts_editor_and_frontend' ) );
186	add_action( 'enqueue_block_assets', array( $this, 'enqueue_styles_editor_and_frontend' ) );
187
188	}
189
190	/**
191	* Determines the block API version to use for registering blocks.
192	*
193	* @since 3.2.0
194	*
195	* @return int Block API version.
196	*/
197	public function get_block_api_version() {
198
199	// Determine the block API version to use for registering blocks.
200	// WordPress supports Version 3 from WordPress 6.3:
201	// https://developer.wordpress.org/block-editor/reference-guides/block-api/block-api-versions/.
202	$block_api_version = ( version_compare( get_bloginfo( 'version' ), '6.3', '>=' ) ? 3 : 2 );
203
204	/**
205	* Determine the block API version to use for registering blocks.
206	*
207	* @since 3.1.4
208	*
209	* @param int $block_api_version Block API version.
210	* @return int Block API version.
211	*/
212	$block_api_version = apply_filters( 'convertkit_gutenberg_block_api_version', $block_api_version );
213
214	return absint( $block_api_version );
215
216	}
217	/**
218	* Enqueues scripts for Gutenberg blocks in the editor view.
219	*
220	* @since 1.9.6
221	*/
222	public function enqueue_scripts() {
223
224	// Bail if request isn't for the Admin or a Frontend Editor.
225	if ( ! WP_ConvertKit()->is_admin_or_frontend_editor() ) {
226	return;
227	}
228
229	// Get settings.
230	$settings = new ConvertKit_Settings();
231
232	// Get blocks and block toolbar buttons.
233	$blocks = convertkit_get_blocks();
234	$block_formatters = convertkit_get_block_formatters();
235	$pre_publish_actions = convertkit_get_pre_publish_actions();
236
237	// Enqueue Gutenberg Javascript, and set the blocks data.
238	wp_enqueue_script( 'convertkit-gutenberg', CONVERTKIT_PLUGIN_URL . 'resources/backend/js/gutenberg.js', array( 'jquery' ), CONVERTKIT_PLUGIN_VERSION, true );
239	wp_localize_script( 'convertkit-gutenberg', 'convertkit_blocks', $blocks );
240	if ( count( $pre_publish_actions ) ) {
241	wp_localize_script( 'convertkit-gutenberg', 'convertkit_pre_publish_actions', $pre_publish_actions );
242	}
243	wp_localize_script(
244	'convertkit-gutenberg',
245	'convertkit_gutenberg',
246	array(
247	'ajaxurl' => rest_url( 'kit/v1/blocks' ),
248	'block_api_version' => $this->get_block_api_version(),
249	'get_blocks_nonce' => wp_create_nonce( 'wp_rest' ),
250	)
251	);
252
253	// Enqueue Gutenberg Block Toolbar Javascript, and set the block toolbar buttons data.
254	wp_enqueue_script( 'convertkit-gutenberg-block-formatters', CONVERTKIT_PLUGIN_URL . 'resources/backend/js/gutenberg-block-formatters.js', array( 'jquery' ), CONVERTKIT_PLUGIN_VERSION, true );
255	wp_localize_script( 'convertkit-gutenberg-block-formatters', 'convertkit_block_formatters', $block_formatters );
256
257	/**
258	* Enqueue any additional scripts for Gutenberg blocks that have been registered.
259	*
260	* @since 1.9.6.5
261	*
262	* @param array $blocks ConvertKit Blocks.
263	* @param array $block_formatters ConvertKit Block Formatters.
264	*/
265	do_action( 'convertkit_gutenberg_enqueue_scripts', $blocks, $block_formatters );
266
267	}
268
269	/**
270	* Enqueues styles for Gutenberg blocks in the editor view.
271	*
272	* Use wp_enqueue_style() hooked to the enqueue_block_assets hook for frontend styles:
273	* https://developer.wordpress.org/block-editor/how-to-guides/block-tutorial/applying-styles-with-stylesheets/
274	*
275	* @since 1.9.6.9
276	*/
277	public function enqueue_styles() {
278
279	// Bail if request isn't for the Admin.
280	if ( ! is_admin() ) {
281	return;
282	}
283
284	/**
285	* Enqueue styles for Gutenberg blocks that have been registered.
286	*
287	* @since 1.9.6.9
288	*/
289	do_action( 'convertkit_gutenberg_enqueue_styles' );
290
291	}
292
293	/**
294	* Enqueues scripts for Gutenberg blocks in both the editor and frontend view,
295	* if the Plugin's Disable JavaScript option is not enabled.
296	*
297	* @since 1.9.7.6
298	*/
299	public function enqueue_scripts_editor_and_frontend() {
300
301	// Don't load scripts if the Disable JS option is on.
302	$settings = new ConvertKit_Settings();
303	if ( $settings->scripts_disabled() ) {
304	return;
305	}
306
307	/**
308	* Enqueues scripts for Gutenberg blocks in both the editor and frontend view,
309	* if the Plugin's Disable JavaScript option is not enabled.
310	*
311	* @since 1.9.7.6
312	*/
313	do_action( 'convertkit_gutenberg_enqueue_scripts_editor_and_frontend' );
314
315	}
316
317	/**
318	* Enqueues styles for Gutenberg blocks in both the editor and frontend view,
319	* if the Plugin's Disable CSS option is not enabled.
320	*
321	* @since 1.9.7.6
322	*/
323	public function enqueue_styles_editor_and_frontend() {
324
325	// Don't load styles if the Disable CSS option is on.
326	$settings = new ConvertKit_Settings();
327	if ( $settings->css_disabled() ) {
328	return;
329	}
330
331	/**
332	* Enqueues styles for Gutenberg blocks in both the editor and frontend view,
333	* if the Plugin's Disable CSS option is not enabled.
334	*
335	* @since 1.9.7.6
336	*/
337	do_action( 'convertkit_gutenberg_enqueue_styles_editor_and_frontend' );
338
339	}
340
341	}
342