jetpack / modules / comment-likes.php

comment-likes.php in Jetpack – WP Security, Backup, Speed, & Growth 14.2, at modules/comment-likes.php

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1	<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2	/**
3	* Module Name: Comment Likes
4	* Module Description: Increase visitor engagement by adding a Like button to comments.
5	* Sort Order: 39
6	* Recommendation Order: 17
7	* First Introduced: 5.1
8	* Requires Connection: Yes
9	* Auto Activate: No
10	* Module Tags: Social
11	* Additional Search Queries: like widget, like button, like, likes
12	*
13	* @package automattic/jetpack
14	*/
15
16	use Automattic\Jetpack\Assets;
17
18	Assets::add_resource_hint( '//widgets.wp.com', 'dns-prefetch' );
19
20	require_once __DIR__ . '/likes/jetpack-likes-master-iframe.php';
21	require_once __DIR__ . '/likes/jetpack-likes-settings.php';
22
23	/**
24	* Jetpack Comment Like Class
25	*/
26	class Jetpack_Comment_Likes {
27
28	/**
29	* Jetpack_Likes_Settings object
30	*
31	* @var Jetpack_Likes_Settings
32	*/
33	public $settings;
34
35	/**
36	* Blog ID
37	*
38	* @var int
39	*/
40	public $blog_id;
41
42	/**
43	* Site home URL domain
44	*
45	* @var string
46	*/
47	public $domain;
48
49	/**
50	* Initialize comment like module
51	*/
52	public static function init() {
53	static $instance = null;
54
55	if ( ! $instance ) {
56	$instance = new Jetpack_Comment_Likes();
57	}
58
59	return $instance;
60	}
61
62	/**
63	* Construct comment like module.
64	*/
65	private function __construct() {
66	$this->settings = new Jetpack_Likes_Settings();
67	$this->blog_id = Jetpack_Options::get_option( 'id' );
68	$url_parts = wp_parse_url( home_url() );
69	$this->domain = $url_parts['host'];
70
71	add_action( 'template_redirect', array( $this, 'frontend_init' ) );
72	add_action( 'admin_init', array( $this, 'admin_init' ) );
73
74	if ( ! Jetpack::is_module_active( 'likes' ) ) {
75	$active = Jetpack::get_active_modules();
76
77	if ( in_array( 'publicize', $active, true ) && ! in_array( 'sharedaddy', $active, true ) ) {
78	// we have a sharing page but not the global options area.
79	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );
80	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );
81	}
82
83	if ( ! in_array( 'sharedaddy', $active, true ) ) {
84	add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );
85	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );
86	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );
87	add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
88	} else {
89	add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
90	add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );
91	}
92
93	add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );
94	add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );
95	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );
96	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );
97	}
98	}
99
100	/**
101	* Initialize admin section
102	*/
103	public function admin_init() {
104	add_filter( 'manage_edit-comments_columns', array( $this, 'add_like_count_column' ) );
105	add_action( 'manage_comments_custom_column', array( $this, 'comment_likes_edit_column' ), 10, 2 );
106	add_action( 'admin_print_styles-edit-comments.php', array( $this, 'enqueue_admin_styles_scripts' ) );
107	}
108
109	/**
110	* Displays number of comment likes in comment admin page.
111	*
112	* @param string $column_name name of the column.
113	* @param int $comment_id ID of the comment.
114	*/
115	public function comment_likes_edit_column( $column_name, $comment_id ) {
116	if ( 'comment_likes' !== $column_name ) {
117	return;
118	}
119
120	$permalink = get_permalink( get_the_ID() );
121	?>
122	<a
123	data-comment-id="<?php echo absint( $comment_id ); ?>"
124	data-blog-id="<?php echo absint( $this->blog_id ); ?>"
125	class="comment-like-count"
126	id="comment-like-count-<?php echo absint( $comment_id ); ?>"
127	href="<?php echo esc_url( $permalink ); ?>#comment-<?php echo absint( $comment_id ); ?>"
128	>
129	<span class="like-count">0</span>
130	</a>
131	<?php
132	}
133
134	/**
135	* Enqueue admin style scripts.
136	*/
137	public function enqueue_admin_styles_scripts() {
138	wp_enqueue_style( 'comment-like-count', plugins_url( 'comment-likes/admin-style.css', __FILE__ ), array(), JETPACK__VERSION );
139	wp_enqueue_script(
140	'comment-like-count',
141	Assets::get_file_url_for_environment(
142	'_inc/build/comment-likes/comment-like-count.min.js',
143	'modules/comment-likes/comment-like-count.js'
144	),
145	array( 'jquery' ),
146	JETPACK__VERSION,
147	false
148	);
149	}
150
151	/**
152	* Adds like count column to admin page.
153	*
154	* @param array $columns column of admin table.
155	*/
156	public function add_like_count_column( $columns ) {
157	$columns['comment_likes'] = '<span class="vers"></span>';
158	return $columns;
159	}
160
161	/**
162	* Initialize front end
163	*/
164	public function frontend_init() {
165	if ( class_exists( Jetpack_AMP_Support::class ) && Jetpack_AMP_Support::is_amp_request() ) {
166	return;
167	}
168
169	add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) );
170	add_filter( 'comment_text', array( $this, 'comment_likes' ), 10, 2 );
171	}
172
173	/**
174	* Load styling scripts
175	*/
176	public function load_styles_register_scripts() {
177	if ( ! $this->settings->is_likes_visible() ) {
178	return;
179	}
180
181	if ( ! wp_style_is( 'open-sans', 'registered' ) ) {
182	wp_register_style( 'open-sans', 'https://fonts.googleapis.com/css?family=Open+Sans', array(), JETPACK__VERSION );
183	}
184	wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array( 'open-sans' ), JETPACK__VERSION );
185	wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'likes/queuehandler.js', __FILE__ ), array(), JETPACK__VERSION, true );
186	}
187
188	/**
189	* Display like count.
190	*
191	* @param string $content text content of the comment itself.
192	* @param object $comment comment object containing comment data.
193	*/
194	public function comment_likes( $content, $comment = null ) {
195	if ( empty( $comment ) ) {
196	return $content;
197	}
198
199	if ( ! $this->settings->is_likes_visible() ) {
200	return $content;
201	}
202
203	$comment_id = get_comment_ID();
204	if ( empty( $comment_id ) && ! empty( $comment->comment_ID ) ) {
205	$comment_id = $comment->comment_ID;
206	}
207
208	if ( empty( $content ) \|\| empty( $comment_id ) ) {
209	return $content;
210	}
211
212	if ( empty( $comment->comment_approved ) ) {
213	return $content;
214	}
215
216	// In case master iframe hasn't been loaded. This could be the case when Post Likes module is disabled,
217	// or on pages on which we have comments but post likes are disabled.
218	if ( false === has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {
219	add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
220	}
221
222	$uniqid = uniqid();
223
224	$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&comment_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $this->blog_id, $comment_id, $this->domain, $uniqid );
225	$name = sprintf( 'like-comment-frame-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
226	$wrapper = sprintf( 'like-comment-wrapper-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
227
228	$html = '';
229	$html .= "<div class='jetpack-comment-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>";
230	$html .= "<div class='likes-widget-placeholder comment-likes-widget-placeholder comment-likes'><span class='loading'>" . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>';
231	$html .= "<div class='comment-likes-widget jetpack-likes-widget comment-likes'><span class='comment-like-feedback'></span>";
232	$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";
233	$html .= '</div></div>';
234
235	/**
236	* Filters the Comment Likes button content.
237	*
238	* @module comment-likes
239	*
240	* @since 5.1.0
241	*
242	* @param string $html Comment Likes button content.
243	*/
244	$like_button = apply_filters( 'comment_like_button', $html );
245
246	return $content . $like_button;
247	}
248	}
249
250	Jetpack_Comment_Likes::init();
251