jetpack / modules / comment-likes.php

comment-likes.php in Jetpack – WP Security, Backup, Speed, & Growth 8.8, at modules/comment-likes.php

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1	<?php
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
14	use Automattic\Jetpack\Assets;
15
16	Assets::add_resource_hint( '//widgets.wp.com', 'dns-prefetch' );
17
18	require_once dirname( __FILE__ ) . '/likes/jetpack-likes-master-iframe.php';
19	require_once dirname( __FILE__ ) . '/likes/jetpack-likes-settings.php';
20
21	class Jetpack_Comment_Likes {
22
23	public static function init() {
24	static $instance = NULL;
25
26	if ( ! $instance ) {
27	$instance = new Jetpack_Comment_Likes();
28	}
29
30	return $instance;
31	}
32
33	private function __construct() {
34	$this->settings = new Jetpack_Likes_Settings();
35	$this->blog_id = Jetpack_Options::get_option( 'id' );
36	$this->url = home_url();
37	$this->url_parts = wp_parse_url( $this->url );
38	$this->domain = $this->url_parts['host'];
39
40	add_action( 'template_redirect', array( $this, 'frontend_init' ) );
41	add_action( 'admin_init', array( $this, 'admin_init' ) );
42
43	if ( ! Jetpack::is_module_active( 'likes' ) ) {
44	$active = Jetpack::get_active_modules();
45
46	if ( ! in_array( 'sharedaddy', $active ) && ! in_array( 'publicize', $active ) ) {
47	// we don't have a sharing page yet
48	add_action( 'admin_menu', array( $this->settings, 'sharing_menu' ) );
49	}
50
51	if ( in_array( 'publicize', $active ) && ! in_array( 'sharedaddy', $active ) ) {
52	// we have a sharing page but not the global options area
53	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );
54	add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );
55	}
56
57	if( ! in_array( 'sharedaddy', $active ) ) {
58	add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );
59	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );
60	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );
61	add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
62	} else {
63	add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
64	add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );
65	}
66
67	add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );
68	add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );
69	add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );
70	add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );
71	}
72	}
73
74	public function admin_init() {
75	add_filter( 'manage_edit-comments_columns', array( $this, 'add_like_count_column' ) );
76	add_action( 'manage_comments_custom_column', array( $this, 'comment_likes_edit_column' ), 10, 2 );
77	add_action( 'admin_print_styles-edit-comments.php', array( $this, 'enqueue_admin_styles_scripts' ) );
78	}
79
80	public function comment_likes_edit_column( $column_name, $comment_id ) {
81	if ( 'comment_likes' !== $column_name ) {
82	return;
83	}
84
85	$permalink = get_permalink( get_the_ID() );
86	?>
87	<a
88	data-comment-id="<?php echo absint( $comment_id ); ?>"
89	data-blog-id="<?php echo absint( $this->blog_id ); ?>"
90	class="comment-like-count"
91	id="comment-like-count-<?php echo absint( $comment_id ); ?>"
92	href="<?php echo esc_url( $permalink ); ?>#comment-<?php echo absint( $comment_id ); ?>"
93	>
94	<span class="like-count">0</span>
95	</a>
96	<?php
97	}
98
99	function enqueue_admin_styles_scripts() {
100	wp_enqueue_style( 'comment-like-count', plugins_url( 'comment-likes/admin-style.css', __FILE__ ), array(), JETPACK__VERSION );
101	wp_enqueue_script(
102	'comment-like-count',
103	Assets::get_file_url_for_environment(
104	'_inc/build/comment-likes/comment-like-count.min.js',
105	'modules/comment-likes/comment-like-count.js'
106	),
107	array( 'jquery' ),
108	JETPACK__VERSION
109	);
110	}
111
112	public function add_like_count_column( $columns ) {
113	$columns['comment_likes'] = '<span class="vers"></span>';
114
115	return $columns;
116	}
117
118	public function frontend_init() {
119	if ( Jetpack_AMP_Support::is_amp_request() ) {
120	return;
121	}
122
123	add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) );
124	add_filter( 'comment_text', array( $this, 'comment_likes' ), 10, 2 );
125	}
126
127	public function load_styles_register_scripts() {
128	if ( ! $this->settings->is_likes_visible() ) {
129	return;
130	}
131
132	if ( ! wp_style_is( 'open-sans', 'registered' ) ) {
133	wp_register_style( 'open-sans', 'https://fonts.googleapis.com/css?family=Open+Sans', array(), JETPACK__VERSION );
134	}
135	wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array( 'open-sans' ), JETPACK__VERSION );
136	wp_enqueue_script(
137	'postmessage',
138	Assets::get_file_url_for_environment( '_inc/build/postmessage.min.js', '_inc/postmessage.js' ),
139	array( 'jquery' ),
140	JETPACK__VERSION,
141	true
142	);
143	wp_enqueue_script(
144	'jetpack_resize',
145	Assets::get_file_url_for_environment(
146	'_inc/build/jquery.jetpack-resize.min.js',
147	'_inc/jquery.jetpack-resize.js'
148	),
149	array( 'jquery' ),
150	JETPACK__VERSION,
151	true
152	);
153	wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'likes/queuehandler.js' , __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true );
154	}
155
156	public function comment_likes( $content, $comment = null ) {
157	if ( empty( $comment ) ) {
158	return $content;
159	}
160
161	if ( ! $this->settings->is_likes_visible() ) {
162	return $content;
163	}
164
165	$comment_id = get_comment_ID();
166	if ( empty( $comment_id ) && ! empty( $comment->comment_ID ) ) {
167	$comment_id = $comment->comment_ID;
168	}
169
170	if ( empty( $content ) \|\| empty( $comment_id ) ) {
171	return $content;
172	}
173
174	// In case master iframe hasn't been loaded. This could be the case when Post Likes module is disabled,
175	// or on pages on which we have comments but post likes are disabled.
176	if ( false === has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {
177	add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
178	}
179
180	$uniqid = uniqid();
181
182	$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&comment_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $this->blog_id, $comment_id, $this->domain, $uniqid );
183	$name = sprintf( 'like-comment-frame-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
184	$wrapper = sprintf( 'like-comment-wrapper-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid );
185
186	$html = '';
187	$html .= "<div class='jetpack-comment-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>";
188	$html .= "<div class='likes-widget-placeholder comment-likes-widget-placeholder comment-likes'><span class='loading'>" . esc_html__( 'Loading...', 'jetpack' ) . "</span></div>";
189	$html .= "<div class='comment-likes-widget jetpack-likes-widget comment-likes'><span class='comment-like-feedback'></span>";
190	$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";
191	$html .= '</div></div>';
192
193	/**
194	* Filters the Comment Likes button content.
195	*
196	* @module comment-likes
197	*
198	* @since 5.1.0
199	*
200	* @param string $html Comment Likes button content.
201	*/
202	$like_button = apply_filters( 'comment_like_button', $html );
203
204	return $content . $like_button;
205	}
206	}
207
208	Jetpack_Comment_Likes::init();
209