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likes.php
627 lines
| 1 | <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * Module Name: Likes |
| 4 | * Module Description: Give visitors an easy way to show they appreciate your content. |
| 5 | * First Introduced: 2.2 |
| 6 | * Sort Order: 23 |
| 7 | * Requires Connection: Yes |
| 8 | * Auto Activate: No |
| 9 | * Module Tags: Social |
| 10 | * Feature: Engagement |
| 11 | * Additional Search Queries: like, likes, wordpress.com |
| 12 | * |
| 13 | * @package automattic/jetpack |
| 14 | */ |
| 15 | /** |
| 16 | * NOTE: While the front-end behavior currently varies, try to keep the data |
| 17 | * model here the same as on wpcom to facilitate Simple→Atomic moves and |
| 18 | * possible future work to recombine the front-ends. |
| 19 | */ |
| 20 | |
| 21 | // phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files. |
| 22 | |
| 23 | use Automattic\Jetpack\Assets; |
| 24 | |
| 25 | Assets::add_resource_hint( |
| 26 | array( |
| 27 | '//widgets.wp.com', |
| 28 | '//s0.wp.com', |
| 29 | '//0.gravatar.com', |
| 30 | '//1.gravatar.com', |
| 31 | '//2.gravatar.com', |
| 32 | ), |
| 33 | 'dns-prefetch' |
| 34 | ); |
| 35 | |
| 36 | require_once __DIR__ . '/likes/jetpack-likes-master-iframe.php'; |
| 37 | require_once __DIR__ . '/likes/jetpack-likes-settings.php'; |
| 38 | |
| 39 | /** |
| 40 | * Jetpack Like Class |
| 41 | */ |
| 42 | class Jetpack_Likes { |
| 43 | |
| 44 | /** |
| 45 | * Jetpack_Likes_Settings object |
| 46 | * |
| 47 | * @var Jetpack_Likes_Settings |
| 48 | */ |
| 49 | public $settings; |
| 50 | |
| 51 | /** |
| 52 | * Initialize class |
| 53 | */ |
| 54 | public static function init() { |
| 55 | static $instance = null; |
| 56 | |
| 57 | if ( ! $instance ) { |
| 58 | $instance = new Jetpack_Likes(); |
| 59 | } |
| 60 | |
| 61 | return $instance; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Constructs Likes class |
| 66 | */ |
| 67 | public function __construct() { |
| 68 | $this->settings = new Jetpack_Likes_Settings(); |
| 69 | |
| 70 | // We need to run on wp hook rather than init because we check is_amp_endpoint() |
| 71 | // when bootstrapping hooks. |
| 72 | add_action( 'wp', array( $this, 'action_init' ), 99 ); |
| 73 | |
| 74 | add_action( 'admin_init', array( $this, 'admin_init' ) ); |
| 75 | |
| 76 | add_action( 'jetpack_activate_module_likes', array( $this, 'set_social_notifications_like' ) ); |
| 77 | add_action( 'jetpack_deactivate_module_likes', array( $this, 'delete_social_notifications_like' ) ); |
| 78 | |
| 79 | Jetpack::enable_module_configurable( __FILE__ ); |
| 80 | add_filter( 'jetpack_module_configuration_url_likes', array( $this, 'jetpack_likes_configuration_url' ) ); |
| 81 | add_action( 'admin_print_scripts-settings_page_sharing', array( $this, 'load_jp_css' ) ); |
| 82 | add_filter( 'sharing_show_buttons_on_row_start', array( $this, 'configuration_target_area' ) ); |
| 83 | |
| 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( 'admin_init', array( $this, 'admin_discussion_likes_settings_init' ) ); // Likes notifications. |
| 103 | |
| 104 | add_action( 'admin_bar_menu', array( $this, 'admin_bar_likes' ), 60 ); |
| 105 | |
| 106 | add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) ); |
| 107 | |
| 108 | add_action( 'save_post', array( $this->settings, 'meta_box_save' ) ); |
| 109 | add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) ); |
| 110 | add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 ); |
| 111 | add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 ); |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Set the social_notifications_like option to `on` when the Likes module is activated. |
| 116 | * |
| 117 | * @since 3.7.0 |
| 118 | */ |
| 119 | public function set_social_notifications_like() { |
| 120 | update_option( 'social_notifications_like', 'on' ); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Delete the social_notifications_like option that was set to `on` on module activation. |
| 125 | * |
| 126 | * @since 3.7.0 |
| 127 | */ |
| 128 | public function delete_social_notifications_like() { |
| 129 | delete_option( 'social_notifications_like' ); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Overrides default configuration url |
| 134 | * |
| 135 | * @uses admin_url |
| 136 | * @return string module settings URL |
| 137 | */ |
| 138 | public function jetpack_likes_configuration_url() { |
| 139 | return admin_url( 'options-general.php?page=sharing#likes' ); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Loads Jetpack's CSS on the sharing page so we can use .jetpack-targetable |
| 144 | */ |
| 145 | public function load_jp_css() { |
| 146 | /** |
| 147 | * Do we really need `admin_styles`? With the new admin UI, it's breaking some bits. |
| 148 | * Jetpack::init()->admin_styles(); |
| 149 | */ |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Load scripts and styles for front end. |
| 154 | */ |
| 155 | public function load_styles_register_scripts() { |
| 156 | wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array(), JETPACK__VERSION ); |
| 157 | wp_register_script( |
| 158 | 'jetpack_likes_queuehandler', |
| 159 | Assets::get_file_url_for_environment( |
| 160 | '_inc/build/likes/queuehandler.min.js', |
| 161 | 'modules/likes/queuehandler.js' |
| 162 | ), |
| 163 | array(), |
| 164 | JETPACK__VERSION, |
| 165 | true |
| 166 | ); |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Adds in the jetpack-targetable class so when we visit sharing#likes our like settings get highlighted by a yellow box |
| 171 | * |
| 172 | * @param string $html row heading for the sharedaddy "which page" setting. |
| 173 | * @return string $html with the jetpack-targetable class and likes id. tbody gets closed after the like settings |
| 174 | */ |
| 175 | public function configuration_target_area( $html = '' ) { |
| 176 | $html = "<tbody id='likes' class='jetpack-targetable'>" . $html; |
| 177 | return $html; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Options to be added to the discussion page (see also admin_settings_init, etc below for Sharing settings page) |
| 182 | */ |
| 183 | public function admin_discussion_likes_settings_init() { |
| 184 | // Add a temporary section, until we can move the setting out of there and with the rest of the email notification settings. |
| 185 | add_settings_section( 'likes-notifications', __( 'Likes Notifications', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_section' ), 'discussion' ); |
| 186 | add_settings_field( 'social-notifications', __( 'Email me whenever', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_field' ), 'discussion', 'likes-notifications' ); |
| 187 | // Register the setting. |
| 188 | register_setting( 'discussion', 'social_notifications_like', array( $this, 'admin_discussion_likes_settings_validate' ) ); |
| 189 | } |
| 190 | |
| 191 | /** Add email notification options to WordPress discussion settings */ |
| 192 | public function admin_discussion_likes_settings_section() { |
| 193 | // Atypical usage here. We emit jquery to move likes notification checkbox to be with the rest of the email notification settings. |
| 194 | ?> |
| 195 | <script type="text/javascript"> |
| 196 | jQuery( function( $ ) { |
| 197 | var table = $( '#social_notifications_like' ).parents( 'table:first' ), |
| 198 | header = table.prevAll( 'h2:first' ), |
| 199 | newParent = $( '#moderation_notify' ).parent( 'label' ).parent(); |
| 200 | |
| 201 | if ( !table.length || !header.length || !newParent.length ) { |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | newParent.append( '<br/>' ).append( table.end().parent( 'label' ).siblings().andSelf() ); |
| 206 | header.remove(); |
| 207 | table.remove(); |
| 208 | } ); |
| 209 | </script> |
| 210 | <?php |
| 211 | } |
| 212 | |
| 213 | /** Check if email notifications for likes is on or off. |
| 214 | * |
| 215 | * @param string $option - which option we're checking (social_notifications_like). |
| 216 | */ |
| 217 | public function admin_likes_get_option( $option ) { |
| 218 | $option_setting = get_option( $option, 'on' ); |
| 219 | |
| 220 | return (int) ( 'on' === $option_setting ); |
| 221 | } |
| 222 | |
| 223 | /** Display email notification for likes setting in WordPress' discussion settings. */ |
| 224 | public function admin_discussion_likes_settings_field() { |
| 225 | $like = $this->admin_likes_get_option( 'social_notifications_like' ); |
| 226 | ?> |
| 227 | <label><input type="checkbox" id="social_notifications_like" name="social_notifications_like" value="1" <?php checked( $like ); ?> /> <?php esc_html_e( 'Someone likes one of my posts', 'jetpack' ); ?></label> |
| 228 | <?php |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Validate email notification settings. |
| 233 | * |
| 234 | * @param string $input - determines if checbox is on or off. |
| 235 | */ |
| 236 | public function admin_discussion_likes_settings_validate( $input ) { |
| 237 | // If it's not set (was unchecked during form submission) or was set to off (during option update), return 'off'. |
| 238 | if ( ! $input || 'off' === $input ) { |
| 239 | return 'off'; |
| 240 | } |
| 241 | // Otherwise return 'on'. |
| 242 | return 'on'; |
| 243 | } |
| 244 | |
| 245 | /** Initialize admin settings */ |
| 246 | public function admin_init() { |
| 247 | add_filter( 'manage_posts_columns', array( $this, 'add_like_count_column' ) ); |
| 248 | add_filter( 'manage_pages_columns', array( $this, 'add_like_count_column' ) ); |
| 249 | add_action( 'manage_posts_custom_column', array( $this, 'likes_edit_column' ), 10, 2 ); |
| 250 | add_action( 'manage_pages_custom_column', array( $this, 'likes_edit_column' ), 10, 2 ); |
| 251 | add_action( 'admin_print_styles-edit.php', array( $this, 'load_admin_css' ) ); |
| 252 | add_action( 'admin_print_scripts-edit.php', array( $this, 'enqueue_admin_scripts' ) ); |
| 253 | } |
| 254 | |
| 255 | /** Initialize action */ |
| 256 | public function action_init() { |
| 257 | /* |
| 258 | * Only check if the module is enabled here because |
| 259 | * we are not currently in The Loop and do not yet have access to check |
| 260 | * the switch_like_status post meta flag for the post to be loaded. |
| 261 | */ |
| 262 | if ( is_admin() || ! $this->settings->is_likes_module_enabled() ) { |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | if ( ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) || |
| 267 | ( defined( 'APP_REQUEST' ) && APP_REQUEST ) || |
| 268 | ( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) || |
| 269 | ( defined( 'COOKIE_AUTH_REQUEST' ) && COOKIE_AUTH_REQUEST ) || |
| 270 | ( defined( 'JABBER_SERVER' ) && JABBER_SERVER ) ) { |
| 271 | return; |
| 272 | } |
| 273 | |
| 274 | if ( |
| 275 | class_exists( 'Jetpack_AMP_Support' ) |
| 276 | && Jetpack_AMP_Support::is_amp_request() |
| 277 | ) { |
| 278 | return; |
| 279 | } |
| 280 | |
| 281 | add_filter( 'the_content', array( $this, 'post_likes' ), 30, 1 ); |
| 282 | add_filter( 'the_excerpt', array( $this, 'post_likes' ), 30, 1 ); |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * Load the CSS needed for the wp-admin area. |
| 287 | */ |
| 288 | public function load_admin_css() { |
| 289 | ?> |
| 290 | <style type="text/css"> |
| 291 | .vers img { display: none; } |
| 292 | .metabox-prefs .vers img { display: inline; } |
| 293 | .fixed .column-likes { width: 5.5em; padding: 8px 0; text-align: left; } |
| 294 | .fixed .column-stats { width: 5em; } |
| 295 | .fixed .column-likes .post-com-count { |
| 296 | -webkit-box-sizing: border-box; |
| 297 | -moz-box-sizing: border-box; |
| 298 | box-sizing: border-box; |
| 299 | display: inline-block; |
| 300 | padding: 0 8px; |
| 301 | height: 2em; |
| 302 | margin-top: 5px; |
| 303 | -webkit-border-radius: 5px; |
| 304 | border-radius: 5px; |
| 305 | background-color: #787c82; |
| 306 | color: #FFF; |
| 307 | font-size: 11px; |
| 308 | line-height: 21px; |
| 309 | } |
| 310 | .fixed .column-likes .post-com-count::after { border: none !important; } |
| 311 | .fixed .column-likes .post-com-count:hover { background-color: #2271b1; } |
| 312 | .fixed .column-likes .vers:before { |
| 313 | font: normal 20px/1 dashicons; |
| 314 | content: '\f155'; |
| 315 | speak: none; |
| 316 | -webkit-font-smoothing: antialiased; |
| 317 | -moz-osx-font-smoothing: grayscale; |
| 318 | } |
| 319 | @media screen and (max-width: 782px) { |
| 320 | .fixed .column-likes { |
| 321 | display: none; |
| 322 | } |
| 323 | } |
| 324 | </style> |
| 325 | <?php |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Load the JS required for loading the like counts. |
| 330 | */ |
| 331 | public function enqueue_admin_scripts() { |
| 332 | if ( empty( $_GET['post_type'] ) || 'post' === $_GET['post_type'] || 'page' === $_GET['post_type'] ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 333 | wp_enqueue_script( |
| 334 | 'likes-post-count', |
| 335 | Assets::get_file_url_for_environment( |
| 336 | '_inc/build/likes/post-count.min.js', |
| 337 | 'modules/likes/post-count.js' |
| 338 | ), |
| 339 | array( 'jquery' ), |
| 340 | JETPACK__VERSION, |
| 341 | $in_footer = false |
| 342 | ); |
| 343 | wp_enqueue_script( |
| 344 | 'likes-post-count-jetpack', |
| 345 | Assets::get_file_url_for_environment( |
| 346 | '_inc/build/likes/post-count-jetpack.min.js', |
| 347 | 'modules/likes/post-count-jetpack.js' |
| 348 | ), |
| 349 | array( 'jquery', 'likes-post-count' ), |
| 350 | JETPACK__VERSION, |
| 351 | $in_footer = false |
| 352 | ); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Add "Likes" column data to the post edit table in wp-admin. |
| 358 | * |
| 359 | * @param string $column_name - name of the column. |
| 360 | * @param int $post_id - the post id. |
| 361 | */ |
| 362 | public function likes_edit_column( $column_name, $post_id ) { |
| 363 | if ( 'likes' === $column_name ) { |
| 364 | |
| 365 | $blog_id = Jetpack_Options::get_option( 'id' ); |
| 366 | |
| 367 | $permalink = get_permalink( get_the_ID() ); |
| 368 | ?> |
| 369 | <a title="" data-post-id="<?php echo (int) $post_id; ?>" class="post-com-count post-like-count" id="post-like-count-<?php echo (int) $post_id; ?>" data-blog-id="<?php echo (int) $blog_id; ?>" href="<?php echo esc_url( $permalink ); ?>#like-<?php echo (int) $post_id; ?>"> |
| 370 | <span class="comment-count">0</span> |
| 371 | </a> |
| 372 | <?php |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Add a "Likes" column header to the post edit table in wp-admin. |
| 378 | * |
| 379 | * @param array $columns - array of columns in wp-admin. |
| 380 | */ |
| 381 | public function add_like_count_column( $columns ) { |
| 382 | $date = $columns['date']; |
| 383 | unset( $columns['date'] ); |
| 384 | |
| 385 | $columns['likes'] = '<span class="vers"><img title="' . esc_attr__( 'Likes', 'jetpack' ) . '" alt="' . esc_attr__( 'Likes', 'jetpack' ) . '" src="//s0.wordpress.com/i/like-grey-icon.png" /><span class="screen-reader-text">' . __( 'Likes', 'jetpack' ) . '</span></span>'; |
| 386 | $columns['date'] = $date; |
| 387 | |
| 388 | return $columns; |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Append like button to content. |
| 393 | * |
| 394 | * @param string $content - content of the page. |
| 395 | */ |
| 396 | public function post_likes( $content ) { |
| 397 | global $wp_current_filter; |
| 398 | $post_id = get_the_ID(); |
| 399 | |
| 400 | if ( ! is_numeric( $post_id ) || ! $this->settings->is_likes_visible() ) { |
| 401 | return $content; |
| 402 | } |
| 403 | |
| 404 | // Do not output Likes on requests for ActivityPub requests. |
| 405 | if ( |
| 406 | function_exists( '\Activitypub\is_activitypub_request' ) |
| 407 | && \Activitypub\is_activitypub_request() |
| 408 | ) { |
| 409 | return $content; |
| 410 | } |
| 411 | |
| 412 | // Ensure we don't display like button on post excerpts that are hooked inside the post content |
| 413 | if ( in_array( 'the_excerpt', (array) $wp_current_filter, true ) && |
| 414 | in_array( 'the_content', (array) $wp_current_filter, true ) ) { |
| 415 | return $content; |
| 416 | } |
| 417 | |
| 418 | $blog_id = Jetpack_Options::get_option( 'id' ); |
| 419 | $url = home_url(); |
| 420 | $url_parts = wp_parse_url( $url ); |
| 421 | $domain = $url_parts['host']; |
| 422 | |
| 423 | // Make sure to include the scripts before the iframe otherwise weird things happen. |
| 424 | add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
| 425 | |
| 426 | /** |
| 427 | * If the same post appears more then once on a page the page goes crazy |
| 428 | * we need a slightly more unique id / name for the widget wrapper. |
| 429 | */ |
| 430 | $uniqid = uniqid(); |
| 431 | /** |
| 432 | * Enable an alternate Likes layout. |
| 433 | * |
| 434 | * @since 12.9 |
| 435 | * |
| 436 | * @module likes |
| 437 | * |
| 438 | * @param bool $new_layout Enable the new Likes layout. False by default. |
| 439 | */ |
| 440 | $new_layout = apply_filters( 'likes_new_layout', true ) ? '&n=1' : ''; |
| 441 | |
| 442 | $src = sprintf( 'https://widgets.wp.com/likes/?ver=%1$s#blog_id=%2$d&post_id=%3$d&origin=%4$s&obj_id=%2$d-%3$d-%5$s%6$s', rawurlencode( JETPACK__VERSION ), $blog_id, $post_id, $domain, $uniqid, $new_layout ); |
| 443 | $name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid ); |
| 444 | $wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid ); |
| 445 | $headline = sprintf( |
| 446 | /** This filter is already documented in modules/sharedaddy/sharing-service.php */ |
| 447 | apply_filters( 'jetpack_sharing_headline_html', '<h3 class="sd-title">%s</h3>', esc_html__( 'Like this:', 'jetpack' ), 'likes' ), |
| 448 | esc_html__( 'Like this:', 'jetpack' ) |
| 449 | ); |
| 450 | |
| 451 | $title = esc_html__( 'Like or Reblog', 'jetpack' ); |
| 452 | |
| 453 | $html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name' data-title='$title'>"; |
| 454 | $html .= $headline; |
| 455 | $html .= "<div class='likes-widget-placeholder post-likes-widget-placeholder' style='height: 55px;'><span class='button'><span>" . esc_html__( 'Like', 'jetpack' ) . '</span></span> <span class="loading">' . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>'; |
| 456 | $html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>"; |
| 457 | $html .= '</div>'; |
| 458 | |
| 459 | // Let's make sure that the script is enqueued. |
| 460 | wp_enqueue_script( 'jetpack_likes_queuehandler' ); |
| 461 | |
| 462 | return $content . $html; |
| 463 | } |
| 464 | |
| 465 | /** Checks if admin bar is visible.*/ |
| 466 | public function is_admin_bar_button_visible() { |
| 467 | global $wp_admin_bar; |
| 468 | |
| 469 | if ( ! is_object( $wp_admin_bar ) ) { |
| 470 | return false; |
| 471 | } |
| 472 | |
| 473 | if ( ( ! is_singular( 'post' ) && ! is_attachment() && ! is_page() ) ) { |
| 474 | return false; |
| 475 | } |
| 476 | |
| 477 | if ( ! $this->settings->is_likes_visible() ) { |
| 478 | return false; |
| 479 | } |
| 480 | |
| 481 | if ( ! $this->settings->is_post_likeable() ) { |
| 482 | return false; |
| 483 | } |
| 484 | |
| 485 | /** |
| 486 | * Filters whether the Like button is enabled in the admin bar. |
| 487 | * |
| 488 | * @module likes |
| 489 | * |
| 490 | * @since 2.2.0 |
| 491 | * |
| 492 | * @param bool true Should the Like button be visible in the Admin bar. Default to true. |
| 493 | */ |
| 494 | return (bool) apply_filters( 'jetpack_admin_bar_likes_enabled', true ); |
| 495 | } |
| 496 | |
| 497 | /** Adds like section in admin bar. */ |
| 498 | public function admin_bar_likes() { |
| 499 | global $wp_admin_bar; |
| 500 | |
| 501 | $post_id = get_the_ID(); |
| 502 | |
| 503 | if ( ! is_numeric( $post_id ) || ! $this->is_admin_bar_button_visible() ) { |
| 504 | return; |
| 505 | } |
| 506 | |
| 507 | $protocol = 'http'; |
| 508 | if ( is_ssl() ) { |
| 509 | $protocol = 'https'; |
| 510 | } |
| 511 | $blog_id = Jetpack_Options::get_option( 'id' ); |
| 512 | $url = home_url(); |
| 513 | $url_parts = wp_parse_url( $url ); |
| 514 | $domain = $url_parts['host']; |
| 515 | |
| 516 | // Make sure to include the scripts before the iframe otherwise weird things happen. |
| 517 | add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
| 518 | |
| 519 | $src = sprintf( 'https://widgets.wp.com/likes/?ver=%1$s#blog_id=%3$d&post_id=%4$d&origin=%2$s://%5$s', rawurlencode( JETPACK__VERSION ), $protocol, $blog_id, $post_id, $domain ); |
| 520 | |
| 521 | $html = "<iframe class='admin-bar-likes-widget jetpack-likes-widget' scrolling='no' frameBorder='0' name='admin-bar-likes-widget' src='$src'></iframe>"; |
| 522 | |
| 523 | $node = array( |
| 524 | 'id' => 'admin-bar-likes-widget', |
| 525 | 'meta' => array( |
| 526 | 'html' => $html, |
| 527 | ), |
| 528 | ); |
| 529 | |
| 530 | $wp_admin_bar->add_node( $node ); |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | /** |
| 535 | * Callback to get the value for the jetpack_likes_enabled field. |
| 536 | * |
| 537 | * Warning: this behavior is somewhat complicated! |
| 538 | * When the switch_like_status post_meta is unset, we follow the global setting in Sharing. |
| 539 | * When it is set to 0, we disable likes on the post, regardless of the global setting. |
| 540 | * When it is set to 1, we enable likes on the post, regardless of the global setting. |
| 541 | * |
| 542 | * @param array $post - post data we're checking. |
| 543 | */ |
| 544 | function jetpack_post_likes_get_value( array $post ) { |
| 545 | $post_likes_switched = get_post_meta( $post['id'], 'switch_like_status', true ); |
| 546 | |
| 547 | /** This filter is documented in modules/jetpack-likes-settings.php */ |
| 548 | $sitewide_likes_enabled = (bool) apply_filters( 'wpl_is_enabled_sitewide', ! get_option( 'disabled_likes' ) ); |
| 549 | |
| 550 | // An empty string: post meta was not set, so go with the global setting. |
| 551 | if ( '' === $post_likes_switched ) { |
| 552 | return $sitewide_likes_enabled; |
| 553 | } elseif ( '0' === $post_likes_switched ) { // User overrode the global setting to disable likes. |
| 554 | return false; |
| 555 | } elseif ( '1' === $post_likes_switched ) { // User overrode the global setting to enable likes. |
| 556 | return true; |
| 557 | } |
| 558 | // No default fallback, let's stay explicit. |
| 559 | } |
| 560 | |
| 561 | /** |
| 562 | * Callback to set switch_like_status post_meta when jetpack_likes_enabled is updated. |
| 563 | * |
| 564 | * Warning: this behavior is somewhat complicated! |
| 565 | * When the switch_like_status post_meta is unset, we follow the global setting in Sharing. |
| 566 | * When it is set to 0, we disable likes on the post, regardless of the global setting. |
| 567 | * When it is set to 1, we enable likes on the post, regardless of the global setting. |
| 568 | * |
| 569 | * @param bool $enable_post_likes - checks if post likes are enabled. |
| 570 | * @param object $post_object - object containing post data. |
| 571 | */ |
| 572 | function jetpack_post_likes_update_value( $enable_post_likes, $post_object ) { |
| 573 | /** This filter is documented in modules/jetpack-likes-settings.php */ |
| 574 | $sitewide_likes_enabled = (bool) apply_filters( 'wpl_is_enabled_sitewide', ! get_option( 'disabled_likes' ) ); |
| 575 | |
| 576 | $should_switch_status = $enable_post_likes !== $sitewide_likes_enabled; |
| 577 | |
| 578 | if ( $should_switch_status ) { |
| 579 | // Set the meta to 0 if the user wants to disable likes, 1 if user wants to enable. |
| 580 | $switch_like_status = ( $enable_post_likes ? 1 : 0 ); |
| 581 | return update_post_meta( $post_object->ID, 'switch_like_status', $switch_like_status ); |
| 582 | } else { |
| 583 | // Unset the meta otherwise. |
| 584 | return delete_post_meta( $post_object->ID, 'switch_like_status' ); |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | /** |
| 589 | * Add Likes post_meta to the REST API Post response. |
| 590 | * |
| 591 | * @action rest_api_init |
| 592 | * @uses register_rest_field |
| 593 | * @link https://developer.wordpress.org/rest-api/extending-the-rest-api/modifying-responses/ |
| 594 | */ |
| 595 | function jetpack_post_likes_register_rest_field() { |
| 596 | $post_types = get_post_types( array( 'public' => true ) ); |
| 597 | foreach ( $post_types as $post_type ) { |
| 598 | register_rest_field( |
| 599 | $post_type, |
| 600 | 'jetpack_likes_enabled', |
| 601 | array( |
| 602 | 'get_callback' => 'jetpack_post_likes_get_value', |
| 603 | 'update_callback' => 'jetpack_post_likes_update_value', |
| 604 | 'schema' => array( |
| 605 | 'description' => __( 'Are Likes enabled?', 'jetpack' ), |
| 606 | 'type' => 'boolean', |
| 607 | ), |
| 608 | ) |
| 609 | ); |
| 610 | |
| 611 | /** |
| 612 | * Ensures all public internal post-types support `likes` |
| 613 | * This feature support flag is used by the REST API and Gutenberg. |
| 614 | */ |
| 615 | add_post_type_support( $post_type, 'jetpack-post-likes' ); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | // Add Likes post_meta to the REST API Post response. |
| 620 | add_action( 'rest_api_init', 'jetpack_post_likes_register_rest_field' ); |
| 621 | |
| 622 | // Some CPTs (e.g. Jetpack portfolios and testimonials) get registered with |
| 623 | // restapi_theme_init because they depend on theme support, so let's also hook to that. |
| 624 | add_action( 'restapi_theme_init', 'jetpack_post_likes_register_rest_field', 20 ); |
| 625 | |
| 626 | Jetpack_Likes::init(); |
| 627 |