CFF_Blocks.php — Smash Balloon Social Post Feed – Simple Social Feeds for WordPress 4.8.1

custom-facebook-feed / inc / CFF_Blocks.php

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CFF_Blocks.php

390 lines

1	<?php
2
3	/**
4	* Custom Facebook Feed block with live preview.
5	*
6	* @since 2.3
7	*/
8
9	namespace CustomFacebookFeed;
10
11	use CustomFacebookFeed\Helpers\Util;
12	use CustomFacebookFeed\Builder\CFF_Db;
13	use CustomFacebookFeed\CFF_Utils;
14
15	if (!defined('ABSPATH')) {
16	exit; // Exit if accessed directly
17	}
18
19	class CFF_Blocks
20	{
21	/**
22	* Indicates if current integration is allowed to load.
23	*
24	* @since 1.8
25	*
26	* @return bool
27	*/
28	public function allow_load()
29	{
30	return function_exists('register_block_type');
31	}
32
33	/**
34	* Loads an integration.
35	*
36	* @since 2.3
37	*/
38	public function load()
39	{
40	$this->hooks();
41
42	require_once trailingslashit( CFF_PLUGIN_DIR ) . 'inc/Admin/Blocks/CFF_Modern_Feed_Block.php';
43	$modern_block = new \CustomFacebookFeed\Admin\Blocks\CFF_Modern_Feed_Block();
44	$modern_block->register_hooks();
45	}
46
47	/**
48	* Integration hooks.
49	*
50	* @since 2.3
51	*/
52	protected function hooks()
53	{
54	add_action('init', array( $this, 'register_block' ));
55	add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_block_editor_assets' ), 25 );
56	add_action( 'enqueue_block_assets', array( $this, 'enqueue_block_content_assets' ) );
57	add_filter( 'block_editor_settings_all', array( $this, 'inject_iframe_styles' ) );
58
59	/*
60	* Add smashballoon category and Facebook Feed Block
61	* @since 4.1.9
62	*/
63	add_filter('block_categories_all', array( $this, 'register_block_category' ), 10, 2);
64	}
65
66	/**
67	* Inject block UI and feed CSS into the WP 7.0+ iframed editor canvas.
68	*
69	* `block_editor_settings_all` exposes a `styles` array that WordPress renders
70	* inline inside the iframe `<head>`. wp_enqueue_style on the outer admin page
71	* does not propagate to the iframe for api_version 3 blocks, so we have to
72	* push the CSS contents through this filter for it to be visible inside the
73	* iframe (e.g. the license-expired notice rendered by get_feed_html()).
74	*
75	* @param array $settings Block editor settings.
76	* @return array
77	*/
78	public function inject_iframe_styles( $settings ) {
79	// Cache the CSS payload across the request lifecycle. block_editor_settings_all
80	// fires on every block-editor request (post editor, site editor, widget editor)
81	// and the CSS bytes on disk don't change between calls, so re-reading them is
82	// wasteful disk I/O on the hottest path of the editor.
83	// TODO: also scope this by screen so we only inject when the editor could host
84	// this plugin's blocks. Scoping is intentionally skipped for now because
85	// block_editor_settings_all fires in REST contexts where get_current_screen()
86	// is unreliable, and over-scoping would re-break the iframe styling fix.
87	static $cached = null;
88
89	if ( null === $cached ) {
90	$files = array(
91	trailingslashit( CFF_PLUGIN_DIR ) . 'assets/css/cff-style.css',
92	trailingslashit( CFF_PLUGIN_DIR ) . 'assets/css/cff-blocks.css',
93	);
94
95	$cached = array();
96	foreach ( $files as $file ) {
97	if ( ! file_exists( $file ) ) {
98	continue;
99	}
100	$css = file_get_contents( $file );
101	if ( false === $css ) {
102	continue;
103	}
104	$cached[] = array( 'css' => $css );
105	}
106	}
107
108	if ( ! isset( $settings['styles'] ) \|\| ! is_array( $settings['styles'] ) ) {
109	$settings['styles'] = array();
110	}
111
112	foreach ( $cached as $entry ) {
113	$settings['styles'][] = $entry;
114	}
115
116	return $settings;
117	}
118
119	/**
120	* Register Custom Facebook Feed Gutenberg block on the backend.
121	*
122	* @since 2.3
123	*/
124	public function register_block()
125	{
126
127	wp_register_style(
128	'cff-blocks-styles',
129	trailingslashit(CFF_PLUGIN_URL) . 'assets/css/cff-blocks.css',
130	array( 'wp-edit-blocks' ),
131	CFFVER
132	);
133
134	$attributes = array(
135	'shortcodeSettings' => array(
136	'type' => 'string',
137	),
138	'noNewChanges' => array(
139	'type' => 'boolean',
140	),
141	'executed' => array(
142	'type' => 'boolean',
143	)
144	);
145
146	register_block_type(
147	'cff/cff-feed-block',
148	array(
149	'api_version' => 3,
150	'attributes' => $attributes,
151	'render_callback' => array( $this, 'get_feed_html' ),
152	'supports' => array( 'inserter' => false ),
153	)
154	);
155	}
156
157	/**
158	* Enqueue feed frontend assets so the legacy block preview renders inside
159	* the WP 6.7+ iframe block editor. Mirrors SB_Feed_Block::enqueue_block_content_assets().
160	*
161	* @since 4.5.0
162	*/
163	public function enqueue_block_content_assets() {
164	if ( ! is_admin() ) {
165	return;
166	}
167	\cff_main()->enqueue_styles_assets();
168	\cff_main()->enqueue_scripts_assets();
169	// Force enqueue inside the iframe editor even when the "load assets only
170	// with shortcode" option is on — the enqueue_*_assets() methods only
171	// register the handles in that case.
172	wp_enqueue_style( 'cff' );
173	wp_enqueue_script( 'cffscripts' );
174	}
175
176	/**
177	* Load Custom Facebook Feed Gutenberg block scripts.
178	*
179	* @since 2.3
180	*/
181	public function enqueue_block_editor_assets()
182	{
183	$access_token = get_option('cff_access_token');
184
185	wp_enqueue_style('cff-blocks-styles');
186	wp_enqueue_script(
187	'cff-feed-block',
188	trailingslashit(CFF_PLUGIN_URL) . 'assets/js/cff-blocks.js',
189	array( 'wp-blocks', 'wp-i18n', 'wp-element', 'wp-block-editor' ),
190	CFFVER,
191	true
192	);
193
194	$shortcodeSettings = '';
195
196	$i18n = array(
197	'addSettings' => esc_html__('Add Settings', 'custom-facebook-feed'),
198	'shortcodeSettings' => esc_html__('Shortcode Settings', 'custom-facebook-feed'),
199	'example' => esc_html__('Example', 'custom-facebook-feed'),
200	'preview' => esc_html__('Apply Changes', 'custom-facebook-feed'),
201
202	);
203
204	if (! empty($_GET['cff_wizard'])) {
205	$shortcodeSettings = 'feed="' . (int)$_GET['cff_wizard'] . '"';
206	}
207
208	// CFF's Helpers\Util does not expose isDebugging()/is_script_debug() helpers
209	// like Instagram Feed does, so fall back to the SCRIPT_DEBUG constant.
210	$is_script_debug = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG;
211
212	$cff_js_file = $is_script_debug
213	? 'assets/js/cff-scripts.js'
214	: 'assets/js/cff-scripts.min.js';
215
216	$jquery_file = 'js/jquery/jquery' . ( $is_script_debug ? '' : '.min' ) . '.js';
217
218	wp_localize_script(
219	'cff-feed-block',
220	'cff_block_editor',
221	array(
222	'wpnonce' => wp_create_nonce('facebook-blocks'),
223	'canShowFeed' => ! empty($access_token),
224	'configureLink' => get_admin_url() . '?page=cff-settings',
225	'shortcodeSettings' => $shortcodeSettings,
226	'i18n' => $i18n,
227	'iframeScriptUrl' => trailingslashit( CFF_PLUGIN_URL ) . $cff_js_file,
228	'jqueryUrl' => includes_url( $jquery_file ),
229	)
230	);
231	}
232
233	/**
234	* Get form HTML to display in a Custom Facebook Feed Gutenberg block.
235	*
236	* @param array $attr Attributes passed by Custom Facebook Feed Gutenberg block.
237	*
238	* @since 2.3
239	*
240	* @return string
241	*/
242	public function get_feed_html($attr)
243	{
244	$cff_statuses = get_option('cff_statuses', array());
245
246	$return = '';
247
248	$shortcode_settings = isset($attr['shortcodeSettings']) ? $attr['shortcodeSettings'] : '';
249
250	if (empty($cff_statuses['support_legacy_shortcode'])) {
251	if (empty($shortcode_settings) \|\| strpos($shortcode_settings, 'feed=') === false) {
252	$feeds = \CustomFacebookFeed\Builder\CFF_Feed_Builder::get_feed_list();
253	$feed_id = $feeds[0]['id'];
254	$shortcode_settings .= ' feed="' . (int)$feed_id . '"';
255	}
256	}
257
258	$shortcode_settings = str_replace(array( '[custom-facebook-feed', ']' ), '', $shortcode_settings);
259
260	$return .= do_shortcode('[custom-facebook-feed ' . $shortcode_settings . ']');
261
262	return $return;
263	}
264
265	/**
266	* Checking if is Gutenberg REST API call.
267	*
268	* @since 2.3
269	*
270	* @return bool True if is Gutenberg REST API call.
271	*/
272	public static function is_gb_editor()
273	{
274	return defined( 'REST_REQUEST' ) && REST_REQUEST && ! empty( $_REQUEST['context'] ) && 'edit' === $_REQUEST['context']; // phpcs:ignore
275	}
276
277	/**
278	* Register Block Category
279	*
280	* @since 4.1.9
281	*/
282	public function register_block_category($categories, $context)
283	{
284	$exists = array_search('smashballoon', array_column($categories, 'slug'));
285
286	if ($exists !== false) {
287	return $categories;
288	}
289
290	return array_merge(
291	$categories,
292	array(
293	array(
294	'slug' => 'smashballoon',
295	'title' => __('Smash Balloon', 'custom-facebook-feed'),
296	),
297	)
298	);
299	}
300
301	/**
302	* Register Block
303	*
304	* @since 4.1.9
305	*/
306	public function register_facebook_feed_block()
307	{
308	register_block_type(
309	trailingslashit(CFF_PLUGIN_DIR) . 'assets/dist/sbf-feed',
310	array(
311	'render_callback' => array( $this, 'render_facebook_feed_block' ),
312	)
313	);
314	}
315
316	/**
317	* Render Block
318	*
319	* @since 4.1.9
320	*/
321	public function render_facebook_feed_block($attributes)
322	{
323	$content = '';
324
325	if (isset($attributes['feedId'])) {
326	$content = do_shortcode('[custom-facebook-feed feed=' . (int) $attributes['feedId'] . ']');
327	}
328
329	return $content;
330	}
331
332	/**
333	* Enqueue Block Assets
334	*
335	* @since 4.1.9
336	*/
337	public function enqueue_facebook_feed_block_editor_assets()
338	{
339	$asset_file = include_once trailingslashit(CFF_PLUGIN_DIR) . 'assets/dist/blocks.asset.php';
340
341	wp_enqueue_script(
342	'cff-feed-block-editor',
343	trailingslashit(CFF_PLUGIN_URL) . 'assets/dist/blocks.js',
344	$asset_file['dependencies'],
345	$asset_file['version'],
346	true
347	);
348
349	wp_enqueue_style(
350	'cff-feed-block-editor',
351	trailingslashit(CFF_PLUGIN_URL) . 'assets/dist/blocks.css',
352	array(),
353	$asset_file['version']
354	);
355
356	wp_localize_script(
357	'cff-feed-block-editor',
358	'cff_feed_block_editor',
359	array(
360	'feeds' => CFF_Db::feeds_query(),
361	'feed_url' => admin_url('admin.php?page=cff-feed-builder'),
362	'plugins_info' => Util::get_smash_plugins_status_info(),
363	'has_facebook_feed_block' => $this->has_facebook_feed_block(),
364	'is_pro_active' => CFF_Utils::cff_is_pro_version(),
365	'nonce' => wp_create_nonce('cff-admin'),
366	)
367	);
368	}
369
370	/**
371	* Set Script Translations
372	*
373	* @since 4.1.9
374	*/
375	public function set_script_translations()
376	{
377	wp_set_script_translations('cff-feed-block-editor', 'custom-facebook-feed', CFF_PLUGIN_DIR . 'languages');
378	}
379
380	/**
381	* Check if the post has a Facebook Feed block
382	*
383	* @since 4.1.9
384	*/
385	public function has_facebook_feed_block()
386	{
387	return has_block('cff/cff-feed-block');
388	}
389	}
390