featured-content.php
| 1 | <?php |
| 2 | |
| 3 | if ( ! class_exists( 'Featured_Content' ) && isset( $GLOBALS['pagenow'] ) && 'plugins.php' !== $GLOBALS['pagenow'] ) { |
| 4 | |
| 5 | /** |
| 6 | * Featured Content. |
| 7 | * |
| 8 | * This module will allow users to define a subset of posts to be displayed in a |
| 9 | * theme-designated featured content area. |
| 10 | * |
| 11 | * This feature will only be activated for themes that declare that they support |
| 12 | * it. This can be done by adding code similar to the following during the |
| 13 | * "after_setup_theme" action: |
| 14 | * |
| 15 | * add_theme_support( 'featured-content', array( |
| 16 | * 'filter' => 'mytheme_get_featured_content', |
| 17 | * 'max_posts' => 20, |
| 18 | * 'post_types' => array( 'post', 'page' ), |
| 19 | * ) ); |
| 20 | * |
| 21 | * For maximum compatibility with different methods of posting users will |
| 22 | * designate a featured post tag to associate posts with. Since this tag now has |
| 23 | * special meaning beyond that of a normal tags, users will have the ability to |
| 24 | * hide it from the front-end of their site. |
| 25 | */ |
| 26 | class Featured_Content { |
| 27 | |
| 28 | /** |
| 29 | * The maximum number of posts that a Featured Content area can contain. We |
| 30 | * define a default value here but themes can override this by defining a |
| 31 | * "max_posts" entry in the second parameter passed in the call to |
| 32 | * add_theme_support( 'featured-content' ). |
| 33 | * |
| 34 | * @see Featured_Content::init() |
| 35 | */ |
| 36 | public static $max_posts = 15; |
| 37 | |
| 38 | /** |
| 39 | * The registered post types supported by Featured Content. Themes can add |
| 40 | * Featured Content support for registered post types by defining a |
| 41 | * 'post_types' argument (string|array) in the call to |
| 42 | * add_theme_support( 'featured-content' ). |
| 43 | * |
| 44 | * @see Featured_Content::init() |
| 45 | */ |
| 46 | public static $post_types = array( 'post' ); |
| 47 | |
| 48 | /** |
| 49 | * The tag that is used to mark featured content. Users can define |
| 50 | * a custom tag name that will be stored in this variable. |
| 51 | * |
| 52 | * @see Featured_Content::hide_featured_term |
| 53 | */ |
| 54 | public static $tag; |
| 55 | |
| 56 | /** |
| 57 | * Instantiate. |
| 58 | * |
| 59 | * All custom functionality will be hooked into the "init" action. |
| 60 | */ |
| 61 | public static function setup() { |
| 62 | add_action( 'init', array( __CLASS__, 'init' ), 30 ); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Conditionally hook into WordPress. |
| 67 | * |
| 68 | * Themes must declare that they support this module by adding |
| 69 | * add_theme_support( 'featured-content' ); during after_setup_theme. |
| 70 | * |
| 71 | * If no theme support is found there is no need to hook into WordPress. We'll |
| 72 | * just return early instead. |
| 73 | * |
| 74 | * @uses Featured_Content::$max_posts |
| 75 | */ |
| 76 | public static function init() { |
| 77 | $theme_support = get_theme_support( 'featured-content' ); |
| 78 | |
| 79 | // Return early if theme does not support featured content. |
| 80 | if ( ! $theme_support ) { |
| 81 | return; |
| 82 | } |
| 83 | |
| 84 | /* |
| 85 | * An array of named arguments must be passed as the second parameter |
| 86 | * of add_theme_support(). |
| 87 | */ |
| 88 | if ( ! isset( $theme_support[0] ) ) { |
| 89 | return; |
| 90 | } |
| 91 | |
| 92 | if ( isset( $theme_support[0]['featured_content_filter'] ) ) { |
| 93 | $theme_support[0]['filter'] = $theme_support[0]['featured_content_filter']; |
| 94 | unset( $theme_support[0]['featured_content_filter'] ); |
| 95 | } |
| 96 | |
| 97 | // Return early if "filter" has not been defined. |
| 98 | if ( ! isset( $theme_support[0]['filter'] ) ) { |
| 99 | return; |
| 100 | } |
| 101 | |
| 102 | // Theme can override the number of max posts. |
| 103 | if ( isset( $theme_support[0]['max_posts'] ) ) { |
| 104 | self::$max_posts = absint( $theme_support[0]['max_posts'] ); |
| 105 | } |
| 106 | |
| 107 | add_filter( $theme_support[0]['filter'], array( __CLASS__, 'get_featured_posts' ) ); |
| 108 | add_action( 'customize_register', array( __CLASS__, 'customize_register' ), 9 ); |
| 109 | add_action( 'admin_init', array( __CLASS__, 'register_setting' ) ); |
| 110 | add_action( 'save_post', array( __CLASS__, 'delete_transient' ) ); |
| 111 | add_action( 'delete_post_tag', array( __CLASS__, 'delete_post_tag' ) ); |
| 112 | add_action( 'customize_controls_enqueue_scripts', array( __CLASS__, 'enqueue_scripts' ) ); |
| 113 | add_action( 'pre_get_posts', array( __CLASS__, 'pre_get_posts' ) ); |
| 114 | add_action( 'switch_theme', array( __CLASS__, 'switch_theme' ) ); |
| 115 | add_action( 'switch_theme', array( __CLASS__, 'delete_transient' ) ); |
| 116 | add_action( 'wp_loaded', array( __CLASS__, 'wp_loaded' ) ); |
| 117 | add_action( 'update_option_featured-content', array( __CLASS__, 'flush_post_tag_cache' ), 10, 2 ); |
| 118 | add_action( 'delete_option_featured-content', array( __CLASS__, 'flush_post_tag_cache' ), 10, 2 ); |
| 119 | add_action( 'split_shared_term', array( __CLASS__, 'jetpack_update_featured_content_for_split_terms', 10, 4 ) ); |
| 120 | |
| 121 | |
| 122 | if ( isset( $theme_support[0]['additional_post_types'] ) ) { |
| 123 | $theme_support[0]['post_types'] = array_merge( array( 'post' ), (array) $theme_support[0]['additional_post_types'] ); |
| 124 | unset( $theme_support[0]['additional_post_types'] ); |
| 125 | } |
| 126 | |
| 127 | // Themes can allow Featured Content pages |
| 128 | if ( isset( $theme_support[0]['post_types'] ) ) { |
| 129 | self::$post_types = array_merge( self::$post_types, (array) $theme_support[0]['post_types'] ); |
| 130 | |
| 131 | // register post_tag support for each post type |
| 132 | foreach ( self::$post_types as $post_type ) { |
| 133 | register_taxonomy_for_object_type( 'post_tag', $post_type ); |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Hide "featured" tag from the front-end. |
| 140 | * |
| 141 | * Has to run on wp_loaded so that the preview filters of the customizer |
| 142 | * have a chance to alter the value. |
| 143 | */ |
| 144 | public static function wp_loaded() { |
| 145 | if ( self::get_setting( 'hide-tag' ) ) { |
| 146 | $settings = self::get_setting(); |
| 147 | |
| 148 | // This is done before setting filters for get_terms in order to avoid an infinite filter loop |
| 149 | self::$tag = get_term_by( 'name', $settings['tag-name'], 'post_tag' ); |
| 150 | |
| 151 | add_filter( 'get_terms', array( __CLASS__, 'hide_featured_term' ), 10, 3 ); |
| 152 | add_filter( 'get_the_terms', array( __CLASS__, 'hide_the_featured_term' ), 10, 3 ); |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Get featured posts |
| 158 | * |
| 159 | * This method is not intended to be called directly. Theme developers should |
| 160 | * place a filter directly in their theme and then pass its name as a value of |
| 161 | * the "filter" key in the array passed as the $args parameter during the call |
| 162 | * to: add_theme_support( 'featured-content', $args ). |
| 163 | * |
| 164 | * @uses Featured_Content::get_featured_post_ids() |
| 165 | * |
| 166 | * @return array |
| 167 | */ |
| 168 | public static function get_featured_posts() { |
| 169 | $post_ids = self::get_featured_post_ids(); |
| 170 | |
| 171 | // No need to query if there is are no featured posts. |
| 172 | if ( empty( $post_ids ) ) { |
| 173 | return array(); |
| 174 | } |
| 175 | |
| 176 | $featured_posts = get_posts( array( |
| 177 | 'include' => $post_ids, |
| 178 | 'posts_per_page' => count( $post_ids ), |
| 179 | 'post_type' => self::$post_types, |
| 180 | 'suppress_filters' => false, |
| 181 | ) ); |
| 182 | |
| 183 | return $featured_posts; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Get featured post IDs |
| 188 | * |
| 189 | * This function will return the an array containing the post IDs of all |
| 190 | * featured posts. |
| 191 | * |
| 192 | * Sets the "featured_content_ids" transient. |
| 193 | * |
| 194 | * @return array Array of post IDs. |
| 195 | */ |
| 196 | public static function get_featured_post_ids() { |
| 197 | // Return array of cached results if they exist. |
| 198 | $featured_ids = get_transient( 'featured_content_ids' ); |
| 199 | if ( ! empty( $featured_ids ) ) { |
| 200 | return array_map( |
| 201 | 'absint', |
| 202 | /** |
| 203 | * Filter the list of Featured Posts IDs. |
| 204 | * |
| 205 | * @module theme-tools |
| 206 | * |
| 207 | * @since 2.7.0 |
| 208 | * |
| 209 | * @param array $featured_ids Array of post IDs. |
| 210 | */ |
| 211 | apply_filters( 'featured_content_post_ids', (array) $featured_ids ) |
| 212 | ); |
| 213 | } |
| 214 | |
| 215 | $settings = self::get_setting(); |
| 216 | |
| 217 | // Return empty array if no tag name is set. |
| 218 | $term = get_term_by( 'name', $settings['tag-name'], 'post_tag' ); |
| 219 | if ( ! $term ) { |
| 220 | $term = get_term_by( 'id', $settings['tag-id'], 'post_tag' ); |
| 221 | } |
| 222 | if ( $term ) { |
| 223 | $tag = $term->term_id; |
| 224 | } else { |
| 225 | /** This action is documented in modules/theme-tools/featured-content.php */ |
| 226 | return apply_filters( 'featured_content_post_ids', array() ); |
| 227 | } |
| 228 | |
| 229 | // Back compat for installs that have the quantity option still set. |
| 230 | $quantity = isset( $settings['quantity'] ) ? $settings['quantity'] : self::$max_posts; |
| 231 | |
| 232 | // Query for featured posts. |
| 233 | $featured = get_posts( array( |
| 234 | 'numberposts' => $quantity, |
| 235 | 'post_type' => self::$post_types, |
| 236 | 'suppress_filters' => false, |
| 237 | 'tax_query' => array( |
| 238 | array( |
| 239 | 'field' => 'term_id', |
| 240 | 'taxonomy' => 'post_tag', |
| 241 | 'terms' => $tag, |
| 242 | ), |
| 243 | ), |
| 244 | ) ); |
| 245 | |
| 246 | // Return empty array if no featured content exists. |
| 247 | if ( ! $featured ) { |
| 248 | /** This action is documented in modules/theme-tools/featured-content.php */ |
| 249 | return apply_filters( 'featured_content_post_ids', array() ); |
| 250 | } |
| 251 | |
| 252 | // Ensure correct format before save/return. |
| 253 | $featured_ids = wp_list_pluck( (array) $featured, 'ID' ); |
| 254 | $featured_ids = array_map( 'absint', $featured_ids ); |
| 255 | |
| 256 | set_transient( 'featured_content_ids', $featured_ids ); |
| 257 | |
| 258 | /** This action is documented in modules/theme-tools/featured-content.php */ |
| 259 | return apply_filters( 'featured_content_post_ids', $featured_ids ); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Delete Transient. |
| 264 | * |
| 265 | * Hooks in the "save_post" action. |
| 266 | * @see Featured_Content::validate_settings(). |
| 267 | */ |
| 268 | public static function delete_transient() { |
| 269 | delete_transient( 'featured_content_ids' ); |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * Flush the Post Tag relationships cache. |
| 274 | * |
| 275 | * Hooks in the "update_option_featured-content" action. |
| 276 | */ |
| 277 | public static function flush_post_tag_cache( $prev, $opts ) { |
| 278 | if ( ! empty( $opts ) && ! empty( $opts['tag-id'] ) ) { |
| 279 | $query = new WP_Query( array( |
| 280 | 'tag_id' => (int) $opts['tag-id'], |
| 281 | 'posts_per_page' => -1, |
| 282 | ) ); |
| 283 | foreach ( $query->posts as $post ) { |
| 284 | wp_cache_delete( $post->ID, 'post_tag_relationships' ); |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Exclude featured posts from the blog query when the blog is the front-page, |
| 291 | * and user has not checked the "Also display tagged posts outside the Featured Content area" checkbox. |
| 292 | * |
| 293 | * Filter the home page posts, and remove any featured post ID's from it. |
| 294 | * Hooked onto the 'pre_get_posts' action, this changes the parameters of the |
| 295 | * query before it gets any posts. |
| 296 | * |
| 297 | * @uses Featured_Content::get_featured_post_ids(); |
| 298 | * @uses Featured_Content::get_setting(); |
| 299 | * @param WP_Query $query |
| 300 | * @return WP_Query Possibly modified WP_Query |
| 301 | */ |
| 302 | public static function pre_get_posts( $query ) { |
| 303 | |
| 304 | // Bail if not home or not main query. |
| 305 | if ( ! $query->is_home() || ! $query->is_main_query() ) { |
| 306 | return; |
| 307 | } |
| 308 | |
| 309 | // Bail if the blog page is not the front page. |
| 310 | if ( 'posts' !== get_option( 'show_on_front' ) ) { |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | $featured = self::get_featured_post_ids(); |
| 315 | |
| 316 | // Bail if no featured posts. |
| 317 | if ( ! $featured ) { |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | $settings = self::get_setting(); |
| 322 | |
| 323 | // Bail if the user wants featured posts always displayed. |
| 324 | if ( true == $settings['show-all'] ) { |
| 325 | return; |
| 326 | } |
| 327 | |
| 328 | // We need to respect post ids already in the blacklist. |
| 329 | $post__not_in = $query->get( 'post__not_in' ); |
| 330 | |
| 331 | if ( ! empty( $post__not_in ) ) { |
| 332 | $featured = array_merge( (array) $post__not_in, $featured ); |
| 333 | $featured = array_unique( $featured ); |
| 334 | } |
| 335 | |
| 336 | $query->set( 'post__not_in', $featured ); |
| 337 | } |
| 338 | |
| 339 | /** |
| 340 | * Reset tag option when the saved tag is deleted. |
| 341 | * |
| 342 | * It's important to mention that the transient needs to be deleted, too. |
| 343 | * While it may not be obvious by looking at the function alone, the transient |
| 344 | * is deleted by Featured_Content::validate_settings(). |
| 345 | * |
| 346 | * Hooks in the "delete_post_tag" action. |
| 347 | * @see Featured_Content::validate_settings(). |
| 348 | * |
| 349 | * @param int $tag_id The term_id of the tag that has been deleted. |
| 350 | * @return void |
| 351 | */ |
| 352 | public static function delete_post_tag( $tag_id ) { |
| 353 | $settings = self::get_setting(); |
| 354 | |
| 355 | if ( empty( $settings['tag-id'] ) || $tag_id != $settings['tag-id'] ) { |
| 356 | return; |
| 357 | } |
| 358 | |
| 359 | $settings['tag-id'] = 0; |
| 360 | $settings = self::validate_settings( $settings ); |
| 361 | update_option( 'featured-content', $settings ); |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * Hide featured tag from displaying when global terms are queried from |
| 366 | * the front-end. |
| 367 | * |
| 368 | * Hooks into the "get_terms" filter. |
| 369 | * |
| 370 | * @uses Featured_Content::get_setting() |
| 371 | * |
| 372 | * @param array $terms A list of term objects. This is the return value of get_terms(). |
| 373 | * @param array $taxonomies An array of taxonomy slugs. |
| 374 | * @return array $terms |
| 375 | */ |
| 376 | public static function hide_featured_term( $terms, $taxonomies, $args ) { |
| 377 | |
| 378 | // This filter is only appropriate on the front-end. |
| 379 | if ( is_admin() ) { |
| 380 | return $terms; |
| 381 | } |
| 382 | |
| 383 | // We only want to hide the featured tag. |
| 384 | if ( ! in_array( 'post_tag', $taxonomies ) ) { |
| 385 | return $terms; |
| 386 | } |
| 387 | |
| 388 | // Bail if no terms were returned. |
| 389 | if ( empty( $terms ) ) { |
| 390 | return $terms; |
| 391 | } |
| 392 | |
| 393 | // Bail if term objects are unavailable. |
| 394 | if ( 'all' != $args['fields'] ) { |
| 395 | return $terms; |
| 396 | } |
| 397 | |
| 398 | $settings = self::get_setting(); |
| 399 | |
| 400 | if ( false !== self::$tag ) { |
| 401 | foreach ( $terms as $order => $term ) { |
| 402 | if ( |
| 403 | is_object( $term ) |
| 404 | && ( |
| 405 | $settings['tag-id'] === $term->term_id |
| 406 | || $settings['tag-name'] === $term->name |
| 407 | ) |
| 408 | ) { |
| 409 | unset( $terms[ $order ] ); |
| 410 | } |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | return $terms; |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Hide featured tag from displaying when terms associated with a post object |
| 419 | * are queried from the front-end. |
| 420 | * |
| 421 | * Hooks into the "get_the_terms" filter. |
| 422 | * |
| 423 | * @uses Featured_Content::get_setting() |
| 424 | * |
| 425 | * @param array $terms A list of term objects. This is the return value of get_the_terms(). |
| 426 | * @param int $id The ID field for the post object that terms are associated with. |
| 427 | * @param array $taxonomy An array of taxonomy slugs. |
| 428 | * @return array $terms |
| 429 | */ |
| 430 | public static function hide_the_featured_term( $terms, $id, $taxonomy ) { |
| 431 | |
| 432 | // This filter is only appropriate on the front-end. |
| 433 | if ( is_admin() ) { |
| 434 | return $terms; |
| 435 | } |
| 436 | |
| 437 | // Make sure we are in the correct taxonomy. |
| 438 | if ( 'post_tag' != $taxonomy ) { |
| 439 | return $terms; |
| 440 | } |
| 441 | |
| 442 | // No terms? Return early! |
| 443 | if ( empty( $terms ) ) { |
| 444 | return $terms; |
| 445 | } |
| 446 | |
| 447 | $settings = self::get_setting(); |
| 448 | $tag = get_term_by( 'name', $settings['tag-name'], 'post_tag' ); |
| 449 | |
| 450 | if ( false !== $tag ) { |
| 451 | foreach ( $terms as $order => $term ) { |
| 452 | if ( $settings['tag-id'] === $term->term_id || $settings['tag-name'] === $term->name ) { |
| 453 | unset( $terms[ $order ] ); |
| 454 | } |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | return $terms; |
| 459 | } |
| 460 | |
| 461 | /** |
| 462 | * Register custom setting on the Settings -> Reading screen. |
| 463 | * |
| 464 | * @uses Featured_Content::render_form() |
| 465 | * @uses Featured_Content::validate_settings() |
| 466 | * |
| 467 | * @return void |
| 468 | */ |
| 469 | public static function register_setting() { |
| 470 | add_settings_field( 'featured-content', __( 'Featured Content', 'jetpack' ), array( __class__, 'render_form' ), 'reading' ); |
| 471 | |
| 472 | // Register sanitization callback for the Customizer. |
| 473 | register_setting( 'featured-content', 'featured-content', array( __class__, 'validate_settings' ) ); |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Add settings to the Customizer. |
| 478 | * |
| 479 | * @param WP_Customize_Manager $wp_customize Theme Customizer object. |
| 480 | */ |
| 481 | public static function customize_register( $wp_customize ) { |
| 482 | $wp_customize->add_section( 'featured_content', array( |
| 483 | 'title' => esc_html__( 'Featured Content', 'jetpack' ), |
| 484 | 'description' => sprintf( __( 'Easily feature all posts with the <a href="%1$s">"featured" tag</a> or a tag of your choice. Your theme supports up to %2$s posts in its featured content area.', 'jetpack' ), admin_url( '/edit.php?tag=featured' ), absint( self::$max_posts ) ), |
| 485 | 'priority' => 130, |
| 486 | 'theme_supports' => 'featured-content', |
| 487 | ) ); |
| 488 | |
| 489 | /* Add Featured Content settings. |
| 490 | * |
| 491 | * Sanitization callback registered in Featured_Content::validate_settings(). |
| 492 | * See http://themeshaper.com/2013/04/29/validation-sanitization-in-customizer/comment-page-1/#comment-12374 |
| 493 | */ |
| 494 | $wp_customize->add_setting( 'featured-content[tag-name]', array( |
| 495 | 'type' => 'option', |
| 496 | 'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ), |
| 497 | ) ); |
| 498 | $wp_customize->add_setting( 'featured-content[hide-tag]', array( |
| 499 | 'default' => true, |
| 500 | 'type' => 'option', |
| 501 | 'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ), |
| 502 | ) ); |
| 503 | $wp_customize->add_setting( 'featured-content[show-all]', array( |
| 504 | 'default' => false, |
| 505 | 'type' => 'option', |
| 506 | 'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ), |
| 507 | ) ); |
| 508 | |
| 509 | // Add Featured Content controls. |
| 510 | $wp_customize->add_control( 'featured-content[tag-name]', array( |
| 511 | 'label' => esc_html__( 'Tag name', 'jetpack' ), |
| 512 | 'section' => 'featured_content', |
| 513 | 'theme_supports' => 'featured-content', |
| 514 | 'priority' => 20, |
| 515 | ) ); |
| 516 | $wp_customize->add_control( 'featured-content[hide-tag]', array( |
| 517 | 'label' => esc_html__( 'Do not display tag in post details and tag clouds.', 'jetpack' ), |
| 518 | 'section' => 'featured_content', |
| 519 | 'theme_supports' => 'featured-content', |
| 520 | 'type' => 'checkbox', |
| 521 | 'priority' => 30, |
| 522 | ) ); |
| 523 | $wp_customize->add_control( 'featured-content[show-all]', array( |
| 524 | 'label' => esc_html__( 'Also display tagged posts outside the Featured Content area.', 'jetpack' ), |
| 525 | 'section' => 'featured_content', |
| 526 | 'theme_supports' => 'featured-content', |
| 527 | 'type' => 'checkbox', |
| 528 | 'priority' => 40, |
| 529 | ) ); |
| 530 | } |
| 531 | |
| 532 | /** |
| 533 | * Enqueue the tag suggestion script. |
| 534 | */ |
| 535 | public static function enqueue_scripts() { |
| 536 | wp_enqueue_script( 'featured-content-suggest', plugins_url( 'js/suggest.js', __FILE__ ), array( 'suggest' ), '20131022', true ); |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * Renders all form fields on the Settings -> Reading screen. |
| 541 | */ |
| 542 | public static function render_form() { |
| 543 | printf( __( 'The settings for Featured Content have <a href="%s">moved to Appearance → Customize</a>.', 'jetpack' ), admin_url( 'customize.php?#accordion-section-featured_content' ) ); |
| 544 | } |
| 545 | |
| 546 | /** |
| 547 | * Get settings |
| 548 | * |
| 549 | * Get all settings recognized by this module. This function will return all |
| 550 | * settings whether or not they have been stored in the database yet. This |
| 551 | * ensures that all keys are available at all times. |
| 552 | * |
| 553 | * In the event that you only require one setting, you may pass its name as the |
| 554 | * first parameter to the function and only that value will be returned. |
| 555 | * |
| 556 | * @param string $key The key of a recognized setting. |
| 557 | * @return mixed Array of all settings by default. A single value if passed as first parameter. |
| 558 | */ |
| 559 | public static function get_setting( $key = 'all' ) { |
| 560 | $saved = (array) get_option( 'featured-content' ); |
| 561 | |
| 562 | /** |
| 563 | * Filter Featured Content's default settings. |
| 564 | * |
| 565 | * @module theme-tools |
| 566 | * |
| 567 | * @since 2.7.0 |
| 568 | * |
| 569 | * @param array $args { |
| 570 | * Array of Featured Content Settings |
| 571 | * |
| 572 | * @type int hide-tag Default is 1. |
| 573 | * @type int tag-id Default is 0. |
| 574 | * @type string tag-name Default is empty. |
| 575 | * @type int show-all Default is 0. |
| 576 | * } |
| 577 | */ |
| 578 | $defaults = apply_filters( 'featured_content_default_settings', array( |
| 579 | 'hide-tag' => 1, |
| 580 | 'tag-id' => 0, |
| 581 | 'tag-name' => '', |
| 582 | 'show-all' => 0, |
| 583 | ) ); |
| 584 | |
| 585 | $options = wp_parse_args( $saved, $defaults ); |
| 586 | $options = array_intersect_key( $options, $defaults ); |
| 587 | |
| 588 | if ( 'all' != $key ) { |
| 589 | return isset( $options[ $key ] ) ? $options[ $key ] : false; |
| 590 | } |
| 591 | |
| 592 | return $options; |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * Validate settings |
| 597 | * |
| 598 | * Make sure that all user supplied content is in an expected format before |
| 599 | * saving to the database. This function will also delete the transient set in |
| 600 | * Featured_Content::get_featured_content(). |
| 601 | * |
| 602 | * @uses Featured_Content::delete_transient() |
| 603 | * |
| 604 | * @param array $input |
| 605 | * @return array $output |
| 606 | */ |
| 607 | public static function validate_settings( $input ) { |
| 608 | $output = array(); |
| 609 | |
| 610 | if ( empty( $input['tag-name'] ) ) { |
| 611 | $output['tag-id'] = 0; |
| 612 | } else { |
| 613 | $term = get_term_by( 'name', $input['tag-name'], 'post_tag' ); |
| 614 | |
| 615 | if ( $term ) { |
| 616 | $output['tag-id'] = $term->term_id; |
| 617 | } else { |
| 618 | $new_tag = wp_create_tag( $input['tag-name'] ); |
| 619 | |
| 620 | if ( ! is_wp_error( $new_tag ) && isset( $new_tag['term_id'] ) ) { |
| 621 | $output['tag-id'] = $new_tag['term_id']; |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | $output['tag-name'] = $input['tag-name']; |
| 626 | } |
| 627 | |
| 628 | $output['hide-tag'] = isset( $input['hide-tag'] ) && $input['hide-tag'] ? 1 : 0; |
| 629 | |
| 630 | $output['show-all'] = isset( $input['show-all'] ) && $input['show-all'] ? 1 : 0; |
| 631 | |
| 632 | self::delete_transient(); |
| 633 | |
| 634 | return $output; |
| 635 | } |
| 636 | |
| 637 | /** |
| 638 | * Removes the quantity setting from the options array. |
| 639 | * |
| 640 | * @return void |
| 641 | */ |
| 642 | public static function switch_theme() { |
| 643 | $option = (array) get_option( 'featured-content' ); |
| 644 | |
| 645 | if ( isset( $option['quantity'] ) ) { |
| 646 | unset( $option['quantity'] ); |
| 647 | update_option( 'featured-content', $option ); |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | public static function jetpack_update_featured_content_for_split_terms( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { |
| 652 | $featured_content_settings = get_option( 'featured-content', array() ); |
| 653 | |
| 654 | // Check to see whether the stored tag ID is the one that's just been split. |
| 655 | if ( isset( $featured_content_settings['tag-id'] ) && $old_term_id == $featured_content_settings['tag-id'] && 'post_tag' == $taxonomy ) { |
| 656 | // We have a match, so we swap out the old tag ID for the new one and resave the option. |
| 657 | $featured_content_settings['tag-id'] = $new_term_id; |
| 658 | update_option( 'featured-content', $featured_content_settings ); |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | Featured_Content::setup(); |
| 664 | |
| 665 | /** |
| 666 | * Adds the featured content plugin to the set of files for which action |
| 667 | * handlers should be copied when the theme context is loaded by the REST API. |
| 668 | * |
| 669 | * @param array $copy_dirs Copy paths with actions to be copied |
| 670 | * @return array Copy paths with featured content plugin |
| 671 | */ |
| 672 | function wpcom_rest_api_featured_content_copy_plugin_actions( $copy_dirs ) { |
| 673 | $copy_dirs[] = __FILE__; |
| 674 | return $copy_dirs; |
| 675 | } |
| 676 | add_action( 'restapi_theme_action_copy_dirs', 'wpcom_rest_api_featured_content_copy_plugin_actions' ); |
| 677 | |
| 678 | } // end if ( ! class_exists( 'Featured_Content' ) && isset( $GLOBALS['pagenow'] ) && 'plugins.php' !== $GLOBALS['pagenow'] ) { |
| 679 |