comment-likes.php
| 1 | <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * Module Name: Comment Likes |
| 4 | * Module Description: Enable visitors to like individual comments and boost engagement. |
| 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 | if ( ! defined( 'ABSPATH' ) ) { |
| 19 | exit( 0 ); |
| 20 | } |
| 21 | |
| 22 | Assets::add_resource_hint( '//widgets.wp.com', 'dns-prefetch' ); |
| 23 | |
| 24 | require_once __DIR__ . '/likes/jetpack-likes-master-iframe.php'; |
| 25 | require_once __DIR__ . '/likes/jetpack-likes-settings.php'; |
| 26 | |
| 27 | /** |
| 28 | * Jetpack Comment Like Class |
| 29 | */ |
| 30 | class Jetpack_Comment_Likes { |
| 31 | |
| 32 | /** |
| 33 | * Jetpack_Likes_Settings object |
| 34 | * |
| 35 | * @var Jetpack_Likes_Settings |
| 36 | */ |
| 37 | public $settings; |
| 38 | |
| 39 | /** |
| 40 | * Blog ID |
| 41 | * |
| 42 | * @var int |
| 43 | */ |
| 44 | public $blog_id; |
| 45 | |
| 46 | /** |
| 47 | * Site home URL domain |
| 48 | * |
| 49 | * @var string |
| 50 | */ |
| 51 | public $domain; |
| 52 | |
| 53 | /** |
| 54 | * Initialize comment like module |
| 55 | */ |
| 56 | public static function init() { |
| 57 | static $instance = null; |
| 58 | |
| 59 | if ( ! $instance ) { |
| 60 | $instance = new Jetpack_Comment_Likes(); |
| 61 | } |
| 62 | |
| 63 | return $instance; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Construct comment like module. |
| 68 | */ |
| 69 | private function __construct() { |
| 70 | $this->settings = new Jetpack_Likes_Settings(); |
| 71 | $this->blog_id = Jetpack_Options::get_option( 'id' ); |
| 72 | $url_parts = wp_parse_url( home_url() ); |
| 73 | |
| 74 | // Abort if domain can't be determined. |
| 75 | if ( ! $url_parts || ! isset( $url_parts['host'] ) ) { |
| 76 | return; |
| 77 | } |
| 78 | $this->domain = $url_parts['host']; |
| 79 | |
| 80 | add_action( 'template_redirect', array( $this, 'frontend_init' ) ); |
| 81 | add_action( 'admin_init', array( $this, 'admin_init' ) ); |
| 82 | |
| 83 | if ( ! Jetpack::is_module_active( 'likes' ) ) { |
| 84 | $active = Jetpack::get_active_modules(); |
| 85 | |
| 86 | if ( in_array( 'publicize', $active, true ) && ! in_array( 'sharedaddy', $active, true ) ) { |
| 87 | // we have a sharing page but not the global options area. |
| 88 | add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 ); |
| 89 | add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 ); |
| 90 | } |
| 91 | |
| 92 | if ( ! in_array( 'sharedaddy', $active, true ) ) { |
| 93 | add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) ); |
| 94 | add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 ); |
| 95 | add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 ); |
| 96 | add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) ); |
| 97 | } else { |
| 98 | add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) ); |
| 99 | add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) ); |
| 100 | } |
| 101 | |
| 102 | add_action( 'save_post', array( $this->settings, 'meta_box_save' ) ); |
| 103 | add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) ); |
| 104 | add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 ); |
| 105 | add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 ); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Initialize admin section |
| 111 | */ |
| 112 | public function admin_init() { |
| 113 | add_filter( 'manage_edit-comments_columns', array( $this, 'add_like_count_column' ) ); |
| 114 | add_action( 'manage_comments_custom_column', array( $this, 'comment_likes_edit_column' ), 10, 2 ); |
| 115 | add_action( 'admin_print_styles-edit-comments.php', array( $this, 'enqueue_admin_styles_scripts' ) ); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Displays number of comment likes in comment admin page. |
| 120 | * |
| 121 | * @param string $column_name name of the column. |
| 122 | * @param int $comment_id ID of the comment. |
| 123 | */ |
| 124 | public function comment_likes_edit_column( $column_name, $comment_id ) { |
| 125 | if ( 'comment_likes' !== $column_name ) { |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | $permalink = get_permalink( get_the_ID() ); |
| 130 | ?> |
| 131 | <a |
| 132 | data-comment-id="<?php echo absint( $comment_id ); ?>" |
| 133 | data-blog-id="<?php echo absint( $this->blog_id ); ?>" |
| 134 | class="comment-like-count" |
| 135 | id="comment-like-count-<?php echo absint( $comment_id ); ?>" |
| 136 | href="<?php echo esc_url( $permalink ); ?>#comment-<?php echo absint( $comment_id ); ?>" |
| 137 | > |
| 138 | <span class="like-count">0</span> |
| 139 | </a> |
| 140 | <?php |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Enqueue admin style scripts. |
| 145 | */ |
| 146 | public function enqueue_admin_styles_scripts() { |
| 147 | wp_enqueue_style( 'comment-like-count', plugins_url( 'comment-likes/admin-style.css', __FILE__ ), array(), JETPACK__VERSION ); |
| 148 | wp_enqueue_script( |
| 149 | 'comment-like-count', |
| 150 | Assets::get_file_url_for_environment( |
| 151 | '_inc/build/comment-likes/comment-like-count.min.js', |
| 152 | 'modules/comment-likes/comment-like-count.js' |
| 153 | ), |
| 154 | array( 'jquery' ), |
| 155 | JETPACK__VERSION, |
| 156 | false |
| 157 | ); |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Adds like count column to admin page. |
| 162 | * |
| 163 | * @param array $columns column of admin table. |
| 164 | */ |
| 165 | public function add_like_count_column( $columns ) { |
| 166 | $columns['comment_likes'] = '<span class="vers"></span>'; |
| 167 | return $columns; |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Initialize front end |
| 172 | */ |
| 173 | public function frontend_init() { |
| 174 | if ( class_exists( Jetpack_AMP_Support::class ) && Jetpack_AMP_Support::is_amp_request() ) { |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) ); |
| 179 | add_filter( 'comment_text', array( $this, 'comment_likes' ), 10, 2 ); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Load styling scripts |
| 184 | */ |
| 185 | public function load_styles_register_scripts() { |
| 186 | if ( ! $this->settings->is_likes_visible() ) { |
| 187 | return; |
| 188 | } |
| 189 | |
| 190 | if ( ! wp_style_is( 'open-sans', 'registered' ) ) { |
| 191 | wp_register_style( 'open-sans', 'https://fonts.googleapis.com/css?family=Open+Sans', array(), JETPACK__VERSION ); |
| 192 | } |
| 193 | wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array( 'open-sans' ), JETPACK__VERSION ); |
| 194 | wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'likes/queuehandler.js', __FILE__ ), array(), JETPACK__VERSION, true ); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Display like count. |
| 199 | * |
| 200 | * @param string $content text content of the comment itself. |
| 201 | * @param object $comment comment object containing comment data. |
| 202 | */ |
| 203 | public function comment_likes( $content, $comment = null ) { |
| 204 | if ( empty( $comment ) ) { |
| 205 | return $content; |
| 206 | } |
| 207 | |
| 208 | if ( ! $this->settings->is_likes_visible() ) { |
| 209 | return $content; |
| 210 | } |
| 211 | |
| 212 | $comment_id = get_comment_ID(); |
| 213 | if ( empty( $comment_id ) && ! empty( $comment->comment_ID ) ) { |
| 214 | $comment_id = $comment->comment_ID; |
| 215 | } |
| 216 | |
| 217 | if ( empty( $content ) || empty( $comment_id ) ) { |
| 218 | return $content; |
| 219 | } |
| 220 | |
| 221 | if ( empty( $comment->comment_approved ) ) { |
| 222 | return $content; |
| 223 | } |
| 224 | |
| 225 | // In case master iframe hasn't been loaded. This could be the case when Post Likes module is disabled, |
| 226 | // or on pages on which we have comments but post likes are disabled. |
| 227 | if ( false === has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) { |
| 228 | add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
| 229 | } |
| 230 | |
| 231 | $uniqid = uniqid(); |
| 232 | |
| 233 | $src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&comment_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $this->blog_id, $comment_id, $this->domain, $uniqid ); |
| 234 | $name = sprintf( 'like-comment-frame-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid ); |
| 235 | $wrapper = sprintf( 'like-comment-wrapper-%1$d-%2$d-%3$s', $this->blog_id, $comment_id, $uniqid ); |
| 236 | |
| 237 | $html = ''; |
| 238 | $html .= "<div class='jetpack-comment-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>"; |
| 239 | $html .= "<div class='likes-widget-placeholder comment-likes-widget-placeholder comment-likes'><span class='loading'>" . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>'; |
| 240 | $html .= "<div class='comment-likes-widget jetpack-likes-widget comment-likes'><span class='comment-like-feedback'></span>"; |
| 241 | $html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>"; |
| 242 | $html .= '</div></div>'; |
| 243 | |
| 244 | /** |
| 245 | * Filters the Comment Likes button content. |
| 246 | * |
| 247 | * @module comment-likes |
| 248 | * |
| 249 | * @since 5.1.0 |
| 250 | * |
| 251 | * @param string $html Comment Likes button content. |
| 252 | */ |
| 253 | $like_button = apply_filters( 'comment_like_button', $html ); |
| 254 | |
| 255 | return $content . $like_button; |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | Jetpack_Comment_Likes::init(); |
| 260 |