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PHP Cross Reference of BuddyPress |
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1 <?php 2 /** 3 * BuddyPress Activity Classes 4 * 5 * @package BuddyPress 6 * @subpackage Activity 7 * @since 1.0.0 8 */ 9 10 // Exit if accessed directly. 11 defined( 'ABSPATH' ) || exit; 12 13 /** 14 * Database interaction class for the BuddyPress activity component. 15 * Instance methods are available for creating/editing an activity, 16 * static methods for querying activities. 17 * 18 * @since 1.0.0 19 */ 20 class BP_Activity_Activity { 21 22 /** Properties ************************************************************/ 23 24 /** 25 * ID of the activity item. 26 * 27 * @since 1.0.0 28 * @var int 29 */ 30 var $id; 31 32 /** 33 * ID of the associated item. 34 * 35 * @since 1.0.0 36 * @var int 37 */ 38 var $item_id; 39 40 /** 41 * ID of the associated secondary item. 42 * 43 * @since 1.0.0 44 * @var int 45 */ 46 var $secondary_item_id; 47 48 /** 49 * ID of user associated with the activity item. 50 * 51 * @since 1.0.0 52 * @var int 53 */ 54 var $user_id; 55 56 /** 57 * The primary URL for the activity in RSS feeds. 58 * 59 * @since 1.0.0 60 * @var string 61 */ 62 var $primary_link; 63 64 /** 65 * BuddyPress component the activity item relates to. 66 * 67 * @since 1.2.0 68 * @var string 69 */ 70 var $component; 71 72 /** 73 * Activity type, eg 'new_blog_post'. 74 * 75 * @since 1.2.0 76 * @var string 77 */ 78 var $type; 79 80 /** 81 * Description of the activity, eg 'Alex updated his profile.'. 82 * 83 * @since 1.2.0 84 * @var string 85 */ 86 var $action; 87 88 /** 89 * The content of the activity item. 90 * 91 * @since 1.2.0 92 * @var string 93 */ 94 var $content; 95 96 /** 97 * The date the activity item was recorded, in 'Y-m-d h:i:s' format. 98 * 99 * @since 1.0.0 100 * @var string 101 */ 102 var $date_recorded; 103 104 /** 105 * Whether the item should be hidden in sitewide streams. 106 * 107 * @since 1.1.0 108 * @var int 109 */ 110 var $hide_sitewide = 0; 111 112 /** 113 * Node boundary start for activity or activity comment. 114 * 115 * @since 1.5.0 116 * @var int 117 */ 118 var $mptt_left; 119 120 /** 121 * Node boundary end for activity or activity comment. 122 * 123 * @since 1.5.0 124 * @var int 125 */ 126 var $mptt_right; 127 128 /** 129 * Whether this item is marked as spam. 130 * 131 * @since 1.6.0 132 * @var int 133 */ 134 var $is_spam; 135 136 /** 137 * Error holder. 138 * 139 * @since 2.6.0 140 * 141 * @var WP_Error 142 */ 143 public $errors; 144 145 /** 146 * Error type to return. Either 'bool' or 'wp_error'. 147 * 148 * @since 2.6.0 149 * 150 * @var string 151 */ 152 public $error_type = 'bool'; 153 154 /** 155 * Constructor method. 156 * 157 * @since 1.5.0 158 * 159 * @param int|bool $id Optional. The ID of a specific activity item. 160 */ 161 public function __construct( $id = false ) { 162 // Instantiate errors object. 163 $this->errors = new WP_Error; 164 165 if ( !empty( $id ) ) { 166 $this->id = (int) $id; 167 $this->populate(); 168 } 169 } 170 171 /** 172 * Populate the object with data about the specific activity item. 173 * 174 * @since 1.0.0 175 */ 176 public function populate() { 177 global $wpdb; 178 179 $row = wp_cache_get( $this->id, 'bp_activity' ); 180 181 if ( false === $row ) { 182 $bp = buddypress(); 183 $row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$bp->activity->table_name} WHERE id = %d", $this->id ) ); 184 185 wp_cache_set( $this->id, $row, 'bp_activity' ); 186 } 187 188 if ( empty( $row ) ) { 189 $this->id = 0; 190 return; 191 } 192 193 $this->id = (int) $row->id; 194 $this->item_id = (int) $row->item_id; 195 $this->secondary_item_id = (int) $row->secondary_item_id; 196 $this->user_id = (int) $row->user_id; 197 $this->primary_link = $row->primary_link; 198 $this->component = $row->component; 199 $this->type = $row->type; 200 $this->action = $row->action; 201 $this->content = $row->content; 202 $this->date_recorded = $row->date_recorded; 203 $this->hide_sitewide = (int) $row->hide_sitewide; 204 $this->mptt_left = (int) $row->mptt_left; 205 $this->mptt_right = (int) $row->mptt_right; 206 $this->is_spam = (int) $row->is_spam; 207 208 // Generate dynamic 'action' when possible. 209 $action = bp_activity_generate_action_string( $this ); 210 if ( false !== $action ) { 211 $this->action = $action; 212 213 // If no callback is available, use the literal string from 214 // the database row. 215 } elseif ( ! empty( $row->action ) ) { 216 $this->action = $row->action; 217 218 // Provide a fallback to avoid PHP notices. 219 } else { 220 $this->action = ''; 221 } 222 } 223 224 /** 225 * Save the activity item to the database. 226 * 227 * @since 1.0.0 228 * 229 * @return WP_Error|bool True on success. 230 */ 231 public function save() { 232 global $wpdb; 233 234 $bp = buddypress(); 235 236 $this->id = apply_filters_ref_array( 'bp_activity_id_before_save', array( $this->id, &$this ) ); 237 $this->item_id = apply_filters_ref_array( 'bp_activity_item_id_before_save', array( $this->item_id, &$this ) ); 238 $this->secondary_item_id = apply_filters_ref_array( 'bp_activity_secondary_item_id_before_save', array( $this->secondary_item_id, &$this ) ); 239 $this->user_id = apply_filters_ref_array( 'bp_activity_user_id_before_save', array( $this->user_id, &$this ) ); 240 $this->primary_link = apply_filters_ref_array( 'bp_activity_primary_link_before_save', array( $this->primary_link, &$this ) ); 241 $this->component = apply_filters_ref_array( 'bp_activity_component_before_save', array( $this->component, &$this ) ); 242 $this->type = apply_filters_ref_array( 'bp_activity_type_before_save', array( $this->type, &$this ) ); 243 $this->action = apply_filters_ref_array( 'bp_activity_action_before_save', array( $this->action, &$this ) ); 244 $this->content = apply_filters_ref_array( 'bp_activity_content_before_save', array( $this->content, &$this ) ); 245 $this->date_recorded = apply_filters_ref_array( 'bp_activity_date_recorded_before_save', array( $this->date_recorded, &$this ) ); 246 $this->hide_sitewide = apply_filters_ref_array( 'bp_activity_hide_sitewide_before_save', array( $this->hide_sitewide, &$this ) ); 247 $this->mptt_left = apply_filters_ref_array( 'bp_activity_mptt_left_before_save', array( $this->mptt_left, &$this ) ); 248 $this->mptt_right = apply_filters_ref_array( 'bp_activity_mptt_right_before_save', array( $this->mptt_right, &$this ) ); 249 $this->is_spam = apply_filters_ref_array( 'bp_activity_is_spam_before_save', array( $this->is_spam, &$this ) ); 250 251 /** 252 * Fires before the current activity item gets saved. 253 * 254 * Please use this hook to filter the properties above. Each part will be passed in. 255 * 256 * @since 1.0.0 257 * 258 * @param BP_Activity_Activity $this Current instance of the activity item being saved. Passed by reference. 259 */ 260 do_action_ref_array( 'bp_activity_before_save', array( &$this ) ); 261 262 if ( 'wp_error' === $this->error_type && $this->errors->get_error_code() ) { 263 return $this->errors; 264 } 265 266 if ( empty( $this->component ) || empty( $this->type ) ) { 267 if ( 'bool' === $this->error_type ) { 268 return false; 269 } else { 270 if ( empty( $this->component ) ) { 271 $this->errors->add( 'bp_activity_missing_component' ); 272 } else { 273 $this->errors->add( 'bp_activity_missing_type' ); 274 } 275 276 return $this->errors; 277 } 278 } 279 280 if ( empty( $this->primary_link ) ) { 281 $this->primary_link = bp_loggedin_user_domain(); 282 } 283 284 // If we have an existing ID, update the activity item, otherwise insert it. 285 if ( ! empty( $this->id ) ) { 286 $q = $wpdb->prepare( "UPDATE {$bp->activity->table_name} SET user_id = %d, component = %s, type = %s, action = %s, content = %s, primary_link = %s, date_recorded = %s, item_id = %d, secondary_item_id = %d, hide_sitewide = %d, is_spam = %d WHERE id = %d", $this->user_id, $this->component, $this->type, $this->action, $this->content, $this->primary_link, $this->date_recorded, $this->item_id, $this->secondary_item_id, $this->hide_sitewide, $this->is_spam, $this->id ); 287 } else { 288 $q = $wpdb->prepare( "INSERT INTO {$bp->activity->table_name} ( user_id, component, type, action, content, primary_link, date_recorded, item_id, secondary_item_id, hide_sitewide, is_spam ) VALUES ( %d, %s, %s, %s, %s, %s, %s, %d, %d, %d, %d )", $this->user_id, $this->component, $this->type, $this->action, $this->content, $this->primary_link, $this->date_recorded, $this->item_id, $this->secondary_item_id, $this->hide_sitewide, $this->is_spam ); 289 } 290 291 if ( false === $wpdb->query( $q ) ) { 292 return false; 293 } 294 295 // If this is a new activity item, set the $id property. 296 if ( empty( $this->id ) ) { 297 $this->id = $wpdb->insert_id; 298 299 // If an existing activity item, prevent any changes to the content generating new @mention notifications. 300 } else { 301 add_filter( 'bp_activity_at_name_do_notifications', '__return_false' ); 302 } 303 304 /** 305 * Fires after an activity item has been saved to the database. 306 * 307 * @since 1.0.0 308 * 309 * @param BP_Activity_Activity $this Current instance of activity item being saved. Passed by reference. 310 */ 311 do_action_ref_array( 'bp_activity_after_save', array( &$this ) ); 312 313 return true; 314 } 315 316 /** Static Methods ***************************************************/ 317 318 /** 319 * Get activity items, as specified by parameters. 320 * 321 * @since 1.2.0 322 * @since 2.4.0 Introduced the `$fields` parameter. 323 * @since 2.9.0 Introduced the `$order_by` parameter. 324 * 325 * @see BP_Activity_Activity::get_filter_sql() for a description of the 326 * 'filter' parameter. 327 * @see WP_Meta_Query::queries for a description of the 'meta_query' 328 * parameter format. 329 * 330 * @param array $args { 331 * An array of arguments. All items are optional. 332 * @type int $page Which page of results to fetch. Using page=1 without per_page will result 333 * in no pagination. Default: 1. 334 * @type int|bool $per_page Number of results per page. Default: 25. 335 * @type int|bool $max Maximum number of results to return. Default: false (unlimited). 336 * @type string $fields Activity fields to return. Pass 'ids' to get only the activity IDs. 337 * 'all' returns full activity objects. 338 * @type string $sort ASC or DESC. Default: 'DESC'. 339 * @type string $order_by Column to order results by. 340 * @type array $exclude Array of activity IDs to exclude. Default: false. 341 * @type array $in Array of ids to limit query by (IN). Default: false. 342 * @type array $meta_query Array of meta_query conditions. See WP_Meta_Query::queries. 343 * @type array $date_query Array of date_query conditions. See first parameter of 344 * WP_Date_Query::__construct(). 345 * @type array $filter_query Array of advanced query conditions. See BP_Activity_Query::__construct(). 346 * @type string|array $scope Pre-determined set of activity arguments. 347 * @type array $filter See BP_Activity_Activity::get_filter_sql(). 348 * @type string $search_terms Limit results by a search term. Default: false. 349 * @type bool $display_comments Whether to include activity comments. Default: false. 350 * @type bool $show_hidden Whether to show items marked hide_sitewide. Default: false. 351 * @type string $spam Spam status. Default: 'ham_only'. 352 * @type bool $update_meta_cache Whether to pre-fetch metadata for queried activity items. Default: true. 353 * @type string|bool $count_total If true, an additional DB query is run to count the total activity items 354 * for the query. Default: false. 355 * } 356 * @return array The array returned has two keys: 357 * - 'total' is the count of located activities 358 * - 'activities' is an array of the located activities 359 */ 360 public static function get( $args = array() ) { 361 global $wpdb; 362 363 $function_args = func_get_args(); 364 365 // Backward compatibility with old method of passing arguments. 366 if ( !is_array( $args ) || count( $function_args ) > 1 ) { 367 _deprecated_argument( __METHOD__, '1.6', sprintf( __( 'Arguments passed to %1$s should be in an associative array. See the inline documentation at %2$s for more details.', 'buddypress' ), __METHOD__, __FILE__ ) ); 368 369 $old_args_keys = array( 370 0 => 'max', 371 1 => 'page', 372 2 => 'per_page', 373 3 => 'sort', 374 4 => 'search_terms', 375 5 => 'filter', 376 6 => 'display_comments', 377 7 => 'show_hidden', 378 8 => 'exclude', 379 9 => 'in', 380 10 => 'spam' 381 ); 382 383 $args = bp_core_parse_args_array( $old_args_keys, $function_args ); 384 } 385 386 $bp = buddypress(); 387 $r = wp_parse_args( $args, array( 388 'page' => 1, // The current page. 389 'per_page' => 25, // Activity items per page. 390 'max' => false, // Max number of items to return. 391 'fields' => 'all', // Fields to include. 392 'sort' => 'DESC', // ASC or DESC. 393 'order_by' => 'date_recorded', // Column to order by. 394 'exclude' => false, // Array of ids to exclude. 395 'in' => false, // Array of ids to limit query by (IN). 396 'meta_query' => false, // Filter by activitymeta. 397 'date_query' => false, // Filter by date. 398 'filter_query' => false, // Advanced filtering - see BP_Activity_Query. 399 'filter' => false, // See self::get_filter_sql(). 400 'scope' => false, // Preset activity arguments. 401 'search_terms' => false, // Terms to search by. 402 'display_comments' => false, // Whether to include activity comments. 403 'show_hidden' => false, // Show items marked hide_sitewide. 404 'spam' => 'ham_only', // Spam status. 405 'update_meta_cache' => true, // Whether or not to update meta cache. 406 'count_total' => false, // Whether or not to use count_total. 407 ) ); 408 409 // Select conditions. 410 $select_sql = "SELECT DISTINCT a.id"; 411 412 $from_sql = " FROM {$bp->activity->table_name} a"; 413 414 $join_sql = ''; 415 416 // Where conditions. 417 $where_conditions = array(); 418 419 // Excluded types. 420 $excluded_types = array(); 421 422 // Scope takes precedence. 423 if ( ! empty( $r['scope'] ) ) { 424 $scope_query = self::get_scope_query_sql( $r['scope'], $r ); 425 426 // Add our SQL conditions if matches were found. 427 if ( ! empty( $scope_query['sql'] ) ) { 428 $where_conditions['scope_query_sql'] = $scope_query['sql']; 429 } 430 431 // Override some arguments if needed. 432 if ( ! empty( $scope_query['override'] ) ) { 433 $r = array_replace_recursive( $r, $scope_query['override'] ); 434 } 435 436 // Advanced filtering. 437 } elseif ( ! empty( $r['filter_query'] ) ) { 438 $filter_query = new BP_Activity_Query( $r['filter_query'] ); 439 $sql = $filter_query->get_sql(); 440 if ( ! empty( $sql ) ) { 441 $where_conditions['filter_query_sql'] = $sql; 442 } 443 } 444 445 // Regular filtering. 446 if ( $r['filter'] && $filter_sql = BP_Activity_Activity::get_filter_sql( $r['filter'] ) ) { 447 $where_conditions['filter_sql'] = $filter_sql; 448 } 449 450 // Spam. 451 if ( 'ham_only' == $r['spam'] ) { 452 $where_conditions['spam_sql'] = 'a.is_spam = 0'; 453 } elseif ( 'spam_only' == $r['spam'] ) { 454 $where_conditions['spam_sql'] = 'a.is_spam = 1'; 455 } 456 457 // Searching. 458 if ( $r['search_terms'] ) { 459 $search_terms_like = '%' . bp_esc_like( $r['search_terms'] ) . '%'; 460 $where_conditions['search_sql'] = $wpdb->prepare( 'a.content LIKE %s', $search_terms_like ); 461 462 /** 463 * Filters whether or not to include users for search parameters. 464 * 465 * @since 3.0.0 466 * 467 * @param bool $value Whether or not to include user search. Default false. 468 */ 469 if ( apply_filters( 'bp_activity_get_include_user_search', false ) ) { 470 $user_search = get_user_by( 'slug', $r['search_terms'] ); 471 if ( false !== $user_search ) { 472 $user_id = $user_search->ID; 473 $where_conditions['search_sql'] .= $wpdb->prepare( ' OR a.user_id = %d', $user_id ); 474 } 475 } 476 } 477 478 // Sorting. 479 $sort = $r['sort']; 480 if ( $sort != 'ASC' && $sort != 'DESC' ) { 481 $sort = 'DESC'; 482 } 483 484 switch( $r['order_by'] ) { 485 case 'id' : 486 case 'user_id' : 487 case 'component' : 488 case 'type' : 489 case 'action' : 490 case 'content' : 491 case 'primary_link' : 492 case 'item_id' : 493 case 'secondary_item_id' : 494 case 'date_recorded' : 495 case 'hide_sitewide' : 496 case 'mptt_left' : 497 case 'mptt_right' : 498 case 'is_spam' : 499 break; 500 501 default : 502 $r['order_by'] = 'date_recorded'; 503 break; 504 } 505 $order_by = 'a.' . $r['order_by']; 506 507 // Hide Hidden Items? 508 if ( ! $r['show_hidden'] ) { 509 $where_conditions['hidden_sql'] = "a.hide_sitewide = 0"; 510 } 511 512 // Exclude specified items. 513 if ( ! empty( $r['exclude'] ) ) { 514 $exclude = implode( ',', wp_parse_id_list( $r['exclude'] ) ); 515 $where_conditions['exclude'] = "a.id NOT IN ({$exclude})"; 516 } 517 518 // The specific ids to which you want to limit the query. 519 if ( ! empty( $r['in'] ) ) { 520 $in = implode( ',', wp_parse_id_list( $r['in'] ) ); 521 $where_conditions['in'] = "a.id IN ({$in})"; 522 } 523 524 // Process meta_query into SQL. 525 $meta_query_sql = self::get_meta_query_sql( $r['meta_query'] ); 526 527 if ( ! empty( $meta_query_sql['join'] ) ) { 528 $join_sql .= $meta_query_sql['join']; 529 } 530 531 if ( ! empty( $meta_query_sql['where'] ) ) { 532 $where_conditions[] = $meta_query_sql['where']; 533 } 534 535 // Process date_query into SQL. 536 $date_query_sql = self::get_date_query_sql( $r['date_query'] ); 537 538 if ( ! empty( $date_query_sql ) ) { 539 $where_conditions['date'] = $date_query_sql; 540 } 541 542 // Alter the query based on whether we want to show activity item 543 // comments in the stream like normal comments or threaded below 544 // the activity. 545 if ( false === $r['display_comments'] || 'threaded' === $r['display_comments'] ) { 546 $excluded_types[] = 'activity_comment'; 547 } 548 549 // Exclude 'last_activity' items unless the 'action' filter has 550 // been explicitly set. 551 if ( empty( $r['filter']['object'] ) ) { 552 $excluded_types[] = 'last_activity'; 553 } 554 555 // Build the excluded type sql part. 556 if ( ! empty( $excluded_types ) ) { 557 $not_in = "'" . implode( "', '", esc_sql( $excluded_types ) ) . "'"; 558 $where_conditions['excluded_types'] = "a.type NOT IN ({$not_in})"; 559 } 560 561 /** 562 * Filters the MySQL WHERE conditions for the Activity items get method. 563 * 564 * @since 1.9.0 565 * 566 * @param array $where_conditions Current conditions for MySQL WHERE statement. 567 * @param array $r Parsed arguments passed into method. 568 * @param string $select_sql Current SELECT MySQL statement at point of execution. 569 * @param string $from_sql Current FROM MySQL statement at point of execution. 570 * @param string $join_sql Current INNER JOIN MySQL statement at point of execution. 571 */ 572 $where_conditions = apply_filters( 'bp_activity_get_where_conditions', $where_conditions, $r, $select_sql, $from_sql, $join_sql ); 573 574 // Join the where conditions together. 575 $where_sql = 'WHERE ' . join( ' AND ', $where_conditions ); 576 577 /** 578 * Filter the MySQL JOIN clause for the main activity query. 579 * 580 * @since 2.5.0 581 * 582 * @param string $join_sql JOIN clause. 583 * @param array $r Method parameters. 584 * @param string $select_sql Current SELECT MySQL statement. 585 * @param string $from_sql Current FROM MySQL statement. 586 * @param string $where_sql Current WHERE MySQL statement. 587 */ 588 $join_sql = apply_filters( 'bp_activity_get_join_sql', $join_sql, $r, $select_sql, $from_sql, $where_sql ); 589 590 // Sanitize page and per_page parameters. 591 $page = absint( $r['page'] ); 592 $per_page = absint( $r['per_page'] ); 593 594 $retval = array( 595 'activities' => null, 596 'total' => null, 597 'has_more_items' => null, 598 ); 599 600 /** 601 * Filters if BuddyPress should use legacy query structure over current structure for version 2.0+. 602 * 603 * It is not recommended to use the legacy structure, but allowed to if needed. 604 * 605 * @since 2.0.0 606 * 607 * @param bool $value Whether to use legacy structure or not. 608 * @param BP_Activity_Activity $value Current method being called. 609 * @param array $r Parsed arguments passed into method. 610 */ 611 if ( apply_filters( 'bp_use_legacy_activity_query', false, __METHOD__, $r ) ) { 612 613 // Legacy queries joined against the user table. 614 $select_sql = "SELECT DISTINCT a.*, u.user_email, u.user_nicename, u.user_login, u.display_name"; 615 $from_sql = " FROM {$bp->activity->table_name} a LEFT JOIN {$wpdb->users} u ON a.user_id = u.ID"; 616 617 if ( ! empty( $page ) && ! empty( $per_page ) ) { 618 $pag_sql = $wpdb->prepare( "LIMIT %d, %d", absint( ( $page - 1 ) * $per_page ), $per_page ); 619 620 /** This filter is documented in bp-activity/bp-activity-classes.php */ 621 $activity_sql = apply_filters( 'bp_activity_get_user_join_filter', "{$select_sql} {$from_sql} {$join_sql} {$where_sql} ORDER BY a.date_recorded {$sort}, a.id {$sort} {$pag_sql}", $select_sql, $from_sql, $where_sql, $sort, $pag_sql ); 622 } else { 623 $pag_sql = ''; 624 625 /** 626 * Filters the legacy MySQL query statement so plugins can alter before results are fetched. 627 * 628 * @since 1.5.0 629 * 630 * @param string $value Concatenated MySQL statement pieces to be query results with for legacy query. 631 * @param string $select_sql Final SELECT MySQL statement portion for legacy query. 632 * @param string $from_sql Final FROM MySQL statement portion for legacy query. 633 * @param string $where_sql Final WHERE MySQL statement portion for legacy query. 634 * @param string $sort Final sort direction for legacy query. 635 */ 636 $activity_sql = apply_filters( 'bp_activity_get_user_join_filter', "{$select_sql} {$from_sql} {$join_sql} {$where_sql} ORDER BY a.date_recorded {$sort}, a.id {$sort}", $select_sql, $from_sql, $where_sql, $sort, $pag_sql ); 637 } 638 639 /* 640 * Queries that include 'last_activity' are cached separately, 641 * since they are generally much less long-lived. 642 */ 643 if ( preg_match( '/a\.type NOT IN \([^\)]*\'last_activity\'[^\)]*\)/', $activity_sql ) ) { 644 $cache_group = 'bp_activity'; 645 } else { 646 $cache_group = 'bp_activity_with_last_activity'; 647 } 648 649 $activities = $wpdb->get_results( $activity_sql ); 650 651 // Integer casting for legacy activity query. 652 foreach ( (array) $activities as $i => $ac ) { 653 $activities[ $i ]->id = (int) $ac->id; 654 $activities[ $i ]->item_id = (int) $ac->item_id; 655 $activities[ $i ]->secondary_item_id = (int) $ac->secondary_item_id; 656 $activities[ $i ]->user_id = (int) $ac->user_id; 657 $activities[ $i ]->hide_sitewide = (int) $ac->hide_sitewide; 658 $activities[ $i ]->mptt_left = (int) $ac->mptt_left; 659 $activities[ $i ]->mptt_right = (int) $ac->mptt_right; 660 $activities[ $i ]->is_spam = (int) $ac->is_spam; 661 } 662 663 } else { 664 // Query first for activity IDs. 665 $activity_ids_sql = "{$select_sql} {$from_sql} {$join_sql} {$where_sql} ORDER BY {$order_by} {$sort}, a.id {$sort}"; 666 667 if ( ! empty( $per_page ) && ! empty( $page ) ) { 668 // We query for $per_page + 1 items in order to 669 // populate the has_more_items flag. 670 $activity_ids_sql .= $wpdb->prepare( " LIMIT %d, %d", absint( ( $page - 1 ) * $per_page ), $per_page + 1 ); 671 } 672 673 /** 674 * Filters the paged activities MySQL statement. 675 * 676 * @since 2.0.0 677 * 678 * @param string $activity_ids_sql MySQL statement used to query for Activity IDs. 679 * @param array $r Array of arguments passed into method. 680 */ 681 $activity_ids_sql = apply_filters( 'bp_activity_paged_activities_sql', $activity_ids_sql, $r ); 682 683 /* 684 * Queries that include 'last_activity' are cached separately, 685 * since they are generally much less long-lived. 686 */ 687 if ( preg_match( '/a\.type NOT IN \([^\)]*\'last_activity\'[^\)]*\)/', $activity_ids_sql ) ) { 688 $cache_group = 'bp_activity'; 689 } else { 690 $cache_group = 'bp_activity_with_last_activity'; 691 } 692 693 $cached = bp_core_get_incremented_cache( $activity_ids_sql, $cache_group ); 694 if ( false === $cached ) { 695 $activity_ids = $wpdb->get_col( $activity_ids_sql ); 696 bp_core_set_incremented_cache( $activity_ids_sql, $cache_group, $activity_ids ); 697 } else { 698 $activity_ids = $cached; 699 } 700 701 $retval['has_more_items'] = ! empty( $per_page ) && count( $activity_ids ) > $per_page; 702 703 // If we've fetched more than the $per_page value, we 704 // can discard the extra now. 705 if ( ! empty( $per_page ) && count( $activity_ids ) === $per_page + 1 ) { 706 array_pop( $activity_ids ); 707 } 708 709 if ( 'ids' === $r['fields'] ) { 710 $activities = array_map( 'intval', $activity_ids ); 711 } else { 712 $activities = self::get_activity_data( $activity_ids ); 713 } 714 } 715 716 if ( 'ids' !== $r['fields'] ) { 717 // Get the fullnames of users so we don't have to query in the loop. 718 $activities = self::append_user_fullnames( $activities ); 719 720 // Get activity meta. 721 $activity_ids = array(); 722 foreach ( (array) $activities as $activity ) { 723 $activity_ids[] = $activity->id; 724 } 725 726 if ( ! empty( $activity_ids ) && $r['update_meta_cache'] ) { 727 bp_activity_update_meta_cache( $activity_ids ); 728 } 729 730 if ( $activities && $r['display_comments'] ) { 731 $activities = BP_Activity_Activity::append_comments( $activities, $r['spam'] ); 732 } 733 734 // Pre-fetch data associated with activity users and other objects. 735 BP_Activity_Activity::prefetch_object_data( $activities ); 736 737 // Generate action strings. 738 $activities = BP_Activity_Activity::generate_action_strings( $activities ); 739 } 740 741 $retval['activities'] = $activities; 742 743 // If $max is set, only return up to the max results. 744 if ( ! empty( $r['count_total'] ) ) { 745 746 /** 747 * Filters the total activities MySQL statement. 748 * 749 * @since 1.5.0 750 * 751 * @param string $value MySQL statement used to query for total activities. 752 * @param string $where_sql MySQL WHERE statement portion. 753 * @param string $sort Sort direction for query. 754 */ 755 $total_activities_sql = apply_filters( 'bp_activity_total_activities_sql', "SELECT count(DISTINCT a.id) FROM {$bp->activity->table_name} a {$join_sql} {$where_sql}", $where_sql, $sort ); 756 $cached = bp_core_get_incremented_cache( $total_activities_sql, $cache_group ); 757 if ( false === $cached ) { 758 $total_activities = $wpdb->get_var( $total_activities_sql ); 759 bp_core_set_incremented_cache( $total_activities_sql, $cache_group, $total_activities ); 760 } else { 761 $total_activities = $cached; 762 } 763 764 if ( !empty( $r['max'] ) ) { 765 if ( (int) $total_activities > (int) $r['max'] ) { 766 $total_activities = $r['max']; 767 } 768 } 769 770 $retval['total'] = $total_activities; 771 } 772 773 return $retval; 774 } 775 776 /** 777 * Convert activity IDs to activity objects, as expected in template loop. 778 * 779 * @since 2.0.0 780 * 781 * @param array $activity_ids Array of activity IDs. 782 * @return array 783 */ 784 protected static function get_activity_data( $activity_ids = array() ) { 785 global $wpdb; 786 787 // Bail if no activity ID's passed. 788 if ( empty( $activity_ids ) ) { 789 return array(); 790 } 791 792 // Get BuddyPress. 793 $bp = buddypress(); 794 795 $activities = array(); 796 $uncached_ids = bp_get_non_cached_ids( $activity_ids, 'bp_activity' ); 797 798 // Prime caches as necessary. 799 if ( ! empty( $uncached_ids ) ) { 800 // Format the activity ID's for use in the query below. 801 $uncached_ids_sql = implode( ',', wp_parse_id_list( $uncached_ids ) ); 802 803 // Fetch data from activity table, preserving order. 804 $queried_adata = $wpdb->get_results( "SELECT * FROM {$bp->activity->table_name} WHERE id IN ({$uncached_ids_sql})"); 805 806 // Put that data into the placeholders created earlier, 807 // and add it to the cache. 808 foreach ( (array) $queried_adata as $adata ) { 809 wp_cache_set( $adata->id, $adata, 'bp_activity' ); 810 } 811 } 812 813 // Now fetch data from the cache. 814 foreach ( $activity_ids as $activity_id ) { 815 // Integer casting. 816 $activity = wp_cache_get( $activity_id, 'bp_activity' ); 817 if ( ! empty( $activity ) ) { 818 $activity->id = (int) $activity->id; 819 $activity->user_id = (int) $activity->user_id; 820 $activity->item_id = (int) $activity->item_id; 821 $activity->secondary_item_id = (int) $activity->secondary_item_id; 822 $activity->hide_sitewide = (int) $activity->hide_sitewide; 823 $activity->mptt_left = (int) $activity->mptt_left; 824 $activity->mptt_right = (int) $activity->mptt_right; 825 $activity->is_spam = (int) $activity->is_spam; 826 } 827 828 $activities[] = $activity; 829 } 830 831 // Then fetch user data. 832 $user_query = new BP_User_Query( array( 833 'user_ids' => wp_list_pluck( $activities, 'user_id' ), 834 'populate_extras' => false, 835 ) ); 836 837 // Associated located user data with activity items. 838 foreach ( $activities as $a_index => $a_item ) { 839 $a_user_id = intval( $a_item->user_id ); 840 $a_user = isset( $user_query->results[ $a_user_id ] ) ? $user_query->results[ $a_user_id ] : ''; 841 842 if ( !empty( $a_user ) ) { 843 $activities[ $a_index ]->user_email = $a_user->user_email; 844 $activities[ $a_index ]->user_nicename = $a_user->user_nicename; 845 $activities[ $a_index ]->user_login = $a_user->user_login; 846 $activities[ $a_index ]->display_name = $a_user->display_name; 847 } 848 } 849 850 return $activities; 851 } 852 853 /** 854 * Append xProfile fullnames to an activity array. 855 * 856 * @since 2.0.0 857 * 858 * @param array $activities Activities array. 859 * @return array 860 */ 861 protected static function append_user_fullnames( $activities ) { 862 863 if ( bp_is_active( 'xprofile' ) && ! empty( $activities ) ) { 864 $activity_user_ids = wp_list_pluck( $activities, 'user_id' ); 865 866 if ( ! empty( $activity_user_ids ) ) { 867 $fullnames = bp_core_get_user_displaynames( $activity_user_ids ); 868 if ( ! empty( $fullnames ) ) { 869 foreach ( (array) $activities as $i => $activity ) { 870 if ( ! empty( $fullnames[ $activity->user_id ] ) ) { 871 $activities[ $i ]->user_fullname = $fullnames[ $activity->user_id ]; 872 } 873 } 874 } 875 } 876 } 877 878 return $activities; 879 } 880 881 /** 882 * Pre-fetch data for objects associated with activity items. 883 * 884 * Activity items are associated with users, and often with other 885 * BuddyPress data objects. Here, we pre-fetch data about these 886 * associated objects, so that inline lookups - done primarily when 887 * building action strings - do not result in excess database queries. 888 * 889 * The only object data required for activity component activity types 890 * (activity_update and activity_comment) is related to users, and that 891 * info is fetched separately in BP_Activity_Activity::get_activity_data(). 892 * So this method contains nothing but a filter that allows other 893 * components, such as bp-friends and bp-groups, to hook in and prime 894 * their own caches at the beginning of an activity loop. 895 * 896 * @since 2.0.0 897 * 898 * @param array $activities Array of activities. 899 * @return array $activities Array of activities. 900 */ 901 protected static function prefetch_object_data( $activities ) { 902 903 /** 904 * Filters inside prefetch_object_data method to aid in pre-fetching object data associated with activity item. 905 * 906 * @since 2.0.0 907 * 908 * @param array $activities Array of activities. 909 */ 910 return apply_filters( 'bp_activity_prefetch_object_data', $activities ); 911 } 912 913 /** 914 * Generate action strings for the activities located in BP_Activity_Activity::get(). 915 * 916 * If no string can be dynamically generated for a given item 917 * (typically because the activity type has not been properly 918 * registered), the static 'action' value pulled from the database will 919 * be left in place. 920 * 921 * @since 2.0.0 922 * 923 * @param array $activities Array of activities. 924 * @return array 925 */ 926 protected static function generate_action_strings( $activities ) { 927 foreach ( $activities as $key => $activity ) { 928 $generated_action = bp_activity_generate_action_string( $activity ); 929 if ( false !== $generated_action ) { 930 $activity->action = $generated_action; 931 } 932 933 $activities[ $key ] = $activity; 934 } 935 936 return $activities; 937 } 938 939 /** 940 * Get the SQL for the 'meta_query' param in BP_Activity_Activity::get(). 941 * 942 * We use WP_Meta_Query to do the heavy lifting of parsing the 943 * meta_query array and creating the necessary SQL clauses. However, 944 * since BP_Activity_Activity::get() builds its SQL differently than 945 * WP_Query, we have to alter the return value (stripping the leading 946 * AND keyword from the 'where' clause). 947 * 948 * @since 1.8.0 949 * 950 * @param array $meta_query An array of meta_query filters. See the 951 * documentation for WP_Meta_Query for details. 952 * @return array $sql_array 'join' and 'where' clauses. 953 */ 954 public static function get_meta_query_sql( $meta_query = array() ) { 955 global $wpdb; 956 957 $sql_array = array( 958 'join' => '', 959 'where' => '', 960 ); 961 962 if ( ! empty( $meta_query ) ) { 963 $activity_meta_query = new WP_Meta_Query( $meta_query ); 964 965 // WP_Meta_Query expects the table name at 966 // $wpdb->activitymeta. 967 $wpdb->activitymeta = buddypress()->activity->table_name_meta; 968 969 $meta_sql = $activity_meta_query->get_sql( 'activity', 'a', 'id' ); 970 971 // Strip the leading AND - BP handles it in get(). 972 $sql_array['where'] = preg_replace( '/^\sAND/', '', $meta_sql['where'] ); 973 $sql_array['join'] = $meta_sql['join']; 974 } 975 976 return $sql_array; 977 } 978 979 /** 980 * Get the SQL for the 'date_query' param in BP_Activity_Activity::get(). 981 * 982 * We use BP_Date_Query, which extends WP_Date_Query, to do the heavy lifting 983 * of parsing the date_query array and creating the necessary SQL clauses. 984 * However, since BP_Activity_Activity::get() builds its SQL differently than 985 * WP_Query, we have to alter the return value (stripping the leading AND 986 * keyword from the query). 987 * 988 * @since 2.1.0 989 * 990 * @param array $date_query An array of date_query parameters. See the 991 * documentation for the first parameter of WP_Date_Query. 992 * @return string 993 */ 994 public static function get_date_query_sql( $date_query = array() ) { 995 $sql = ''; 996 997 // Date query. 998 if ( ! empty( $date_query ) && is_array( $date_query ) ) { 999 $date_query = new BP_Date_Query( $date_query, 'date_recorded' ); 1000 $sql = preg_replace( '/^\sAND/', '', $date_query->get_sql() ); 1001 } 1002 1003 return $sql; 1004 } 1005 1006 /** 1007 * Get the SQL for the 'scope' param in BP_Activity_Activity::get(). 1008 * 1009 * A scope is a predetermined set of activity arguments. This method is used 1010 * to grab these activity arguments and override any existing args if needed. 1011 * 1012 * Can handle multiple scopes. 1013 * 1014 * @since 2.2.0 1015 * 1016 * @param mixed $scope The activity scope. Accepts string or array of scopes. 1017 * @param array $r Current activity arguments. Same as those of BP_Activity_Activity::get(), 1018 * but merged with defaults. 1019 * @return false|array 'sql' WHERE SQL string and 'override' activity args. 1020 */ 1021 public static function get_scope_query_sql( $scope = false, $r = array() ) { 1022 1023 // Define arrays for future use. 1024 $query_args = array(); 1025 $override = array(); 1026 $retval = array(); 1027 1028 // Check for array of scopes. 1029 if ( is_array( $scope ) ) { 1030 $scopes = $scope; 1031 1032 // Explode a comma separated string of scopes. 1033 } elseif ( is_string( $scope ) ) { 1034 $scopes = explode( ',', $scope ); 1035 } 1036 1037 // Bail if no scope passed. 1038 if ( empty( $scopes ) ) { 1039 return false; 1040 } 1041 1042 // Helper to easily grab the 'user_id'. 1043 if ( ! empty( $r['filter']['user_id'] ) ) { 1044 $r['user_id'] = $r['filter']['user_id']; 1045 } 1046 1047 // Parse each scope; yes! we handle multiples! 1048 foreach ( $scopes as $scope ) { 1049 $scope_args = array(); 1050 1051 /** 1052 * Plugins can hook here to set their activity arguments for custom scopes. 1053 * 1054 * This is a dynamic filter based on the activity scope. eg: 1055 * - 'bp_activity_set_groups_scope_args' 1056 * - 'bp_activity_set_friends_scope_args' 1057 * 1058 * To see how this filter is used, plugin devs should check out: 1059 * - bp_groups_filter_activity_scope() - used for 'groups' scope 1060 * - bp_friends_filter_activity_scope() - used for 'friends' scope 1061 * 1062 * @since 2.2.0 1063 * 1064 * @param array { 1065 * Activity query clauses. 1066 * @type array { 1067 * Activity arguments for your custom scope. 1068 * See {@link BP_Activity_Query::_construct()} for more details. 1069 * } 1070 * @type array $override Optional. Override existing activity arguments passed by $r. 1071 * } 1072 * } 1073 * @param array $r Current activity arguments passed in BP_Activity_Activity::get(). 1074 */ 1075 $scope_args = apply_filters( "bp_activity_set_{$scope}_scope_args", array(), $r ); 1076 1077 if ( ! empty( $scope_args ) ) { 1078 // Merge override properties from other scopes 1079 // this might be a problem... 1080 if ( ! empty( $scope_args['override'] ) ) { 1081 $override = array_merge( $override, $scope_args['override'] ); 1082 unset( $scope_args['override'] ); 1083 } 1084 1085 // Save scope args. 1086 if ( ! empty( $scope_args ) ) { 1087 $query_args[] = $scope_args; 1088 } 1089 } 1090 } 1091 1092 if ( ! empty( $query_args ) ) { 1093 // Set relation to OR. 1094 $query_args['relation'] = 'OR'; 1095 1096 $query = new BP_Activity_Query( $query_args ); 1097 $sql = $query->get_sql(); 1098 if ( ! empty( $sql ) ) { 1099 $retval['sql'] = $sql; 1100 } 1101 } 1102 1103 if ( ! empty( $override ) ) { 1104 $retval['override'] = $override; 1105 } 1106 1107 return $retval; 1108 } 1109 1110 /** 1111 * In BuddyPress 1.2.x, this was used to retrieve specific activity stream items (for example, on an activity's permalink page). 1112 * 1113 * As of 1.5.x, use BP_Activity_Activity::get() with an 'in' parameter instead. 1114 * 1115 * @since 1.2.0 1116 * 1117 * @deprecated 1.5 1118 * @deprecated Use BP_Activity_Activity::get() with an 'in' parameter instead. 1119 * 1120 * @param mixed $activity_ids Array or comma-separated string of activity IDs to retrieve. 1121 * @param int|bool $max Maximum number of results to return. (Optional; default is no maximum). 1122 * @param int $page The set of results that the user is viewing. Used in pagination. (Optional; default is 1). 1123 * @param int $per_page Specifies how many results per page. Used in pagination. (Optional; default is 25). 1124 * @param string $sort MySQL column sort; ASC or DESC. (Optional; default is DESC). 1125 * @param bool $display_comments Retrieve an activity item's associated comments or not. (Optional; default is false). 1126 * @return array 1127 */ 1128 public static function get_specific( $activity_ids, $max = false, $page = 1, $per_page = 25, $sort = 'DESC', $display_comments = false ) { 1129 _deprecated_function( __FUNCTION__, '1.5', 'Use BP_Activity_Activity::get() with the "in" parameter instead.' ); 1130 return BP_Activity_Activity::get( $max, $page, $per_page, $sort, false, false, $display_comments, false, false, $activity_ids ); 1131 } 1132 1133 /** 1134 * Get the first activity ID that matches a set of criteria. 1135 * 1136 * @since 1.2.0 1137 * 1138 * @todo Should parameters be optional? 1139 * 1140 * @param int $user_id User ID to filter by. 1141 * @param string $component Component to filter by. 1142 * @param string $type Activity type to filter by. 1143 * @param int $item_id Associated item to filter by. 1144 * @param int $secondary_item_id Secondary associated item to filter by. 1145 * @param string $action Action to filter by. 1146 * @param string $content Content to filter by. 1147 * @param string $date_recorded Date to filter by. 1148 * @return int|false Activity ID on success, false if none is found. 1149 */ 1150 public static function get_id( $user_id, $component, $type, $item_id, $secondary_item_id, $action, $content, $date_recorded ) { 1151 global $wpdb; 1152 1153 $bp = buddypress(); 1154 1155 $where_args = false; 1156 1157 if ( ! empty( $user_id ) ) { 1158 $where_args[] = $wpdb->prepare( "user_id = %d", $user_id ); 1159 } 1160 1161 if ( ! empty( $component ) ) { 1162 $where_args[] = $wpdb->prepare( "component = %s", $component ); 1163 } 1164 1165 if ( ! empty( $type ) ) { 1166 $where_args[] = $wpdb->prepare( "type = %s", $type ); 1167 } 1168 1169 if ( ! empty( $item_id ) ) { 1170 $where_args[] = $wpdb->prepare( "item_id = %d", $item_id ); 1171 } 1172 1173 if ( ! empty( $secondary_item_id ) ) { 1174 $where_args[] = $wpdb->prepare( "secondary_item_id = %d", $secondary_item_id ); 1175 } 1176 1177 if ( ! empty( $action ) ) { 1178 $where_args[] = $wpdb->prepare( "action = %s", $action ); 1179 } 1180 1181 if ( ! empty( $content ) ) { 1182 $where_args[] = $wpdb->prepare( "content = %s", $content ); 1183 } 1184 1185 if ( ! empty( $date_recorded ) ) { 1186 $where_args[] = $wpdb->prepare( "date_recorded = %s", $date_recorded ); 1187 } 1188 1189 if ( ! empty( $where_args ) ) { 1190 $where_sql = 'WHERE ' . join( ' AND ', $where_args ); 1191 $result = $wpdb->get_var( "SELECT id FROM {$bp->activity->table_name} {$where_sql}" ); 1192 1193 return is_numeric( $result ) ? (int) $result : false; 1194 } 1195 1196 return false; 1197 } 1198 1199 /** 1200 * Delete activity items from the database. 1201 * 1202 * To delete a specific activity item, pass an 'id' parameter. 1203 * Otherwise use the filters. 1204 * 1205 * @since 1.2.0 1206 * 1207 * @param array $args { 1208 * @int $id Optional. The ID of a specific item to delete. 1209 * @string $action Optional. The action to filter by. 1210 * @string $content Optional. The content to filter by. 1211 * @string $component Optional. The component name to filter by. 1212 * @string $type Optional. The activity type to filter by. 1213 * @string $primary_link Optional. The primary URL to filter by. 1214 * @int $user_id Optional. The user ID to filter by. 1215 * @int $item_id Optional. The associated item ID to filter by. 1216 * @int $secondary_item_id Optional. The secondary associated item ID to filter by. 1217 * @string $date_recorded Optional. The date to filter by. 1218 * @int $hide_sitewide Optional. Default: false. 1219 * } 1220 * @return array|bool An array of deleted activity IDs on success, false on failure. 1221 */ 1222 public static function delete( $args = array() ) { 1223 global $wpdb; 1224 1225 $bp = buddypress(); 1226 $r = wp_parse_args( $args, array( 1227 'id' => false, 1228 'action' => false, 1229 'content' => false, 1230 'component' => false, 1231 'type' => false, 1232 'primary_link' => false, 1233 'user_id' => false, 1234 'item_id' => false, 1235 'secondary_item_id' => false, 1236 'date_recorded' => false, 1237 'hide_sitewide' => false 1238 ) ); 1239 1240 // Setup empty array from where query arguments. 1241 $where_args = array(); 1242 1243 // ID. 1244 if ( ! empty( $r['id'] ) ) { 1245 $where_args[] = $wpdb->prepare( "id = %d", $r['id'] ); 1246 } 1247 1248 // User ID. 1249 if ( ! empty( $r['user_id'] ) ) { 1250 $where_args[] = $wpdb->prepare( "user_id = %d", $r['user_id'] ); 1251 } 1252 1253 // Action. 1254 if ( ! empty( $r['action'] ) ) { 1255 $where_args[] = $wpdb->prepare( "action = %s", $r['action'] ); 1256 } 1257 1258 // Content. 1259 if ( ! empty( $r['content'] ) ) { 1260 $where_args[] = $wpdb->prepare( "content = %s", $r['content'] ); 1261 } 1262 1263 // Component. 1264 if ( ! empty( $r['component'] ) ) { 1265 $where_args[] = $wpdb->prepare( "component = %s", $r['component'] ); 1266 } 1267 1268 // Type. 1269 if ( ! empty( $r['type'] ) ) { 1270 $where_args[] = $wpdb->prepare( "type = %s", $r['type'] ); 1271 } 1272 1273 // Primary Link. 1274 if ( ! empty( $r['primary_link'] ) ) { 1275 $where_args[] = $wpdb->prepare( "primary_link = %s", $r['primary_link'] ); 1276 } 1277 1278 // Item ID. 1279 if ( ! empty( $r['item_id'] ) ) { 1280 $where_args[] = $wpdb->prepare( "item_id = %d", $r['item_id'] ); 1281 } 1282 1283 // Secondary item ID. 1284 if ( ! empty( $r['secondary_item_id'] ) ) { 1285 $where_args[] = $wpdb->prepare( "secondary_item_id = %d", $r['secondary_item_id'] ); 1286 } 1287 1288 // Date Recorded. 1289 if ( ! empty( $r['date_recorded'] ) ) { 1290 $where_args[] = $wpdb->prepare( "date_recorded = %s", $r['date_recorded'] ); 1291 } 1292 1293 // Hidden sitewide. 1294 if ( ! empty( $r['hide_sitewide'] ) ) { 1295 $where_args[] = $wpdb->prepare( "hide_sitewide = %d", $r['hide_sitewide'] ); 1296 } 1297 1298 // Bail if no where arguments. 1299 if ( empty( $where_args ) ) { 1300 return false; 1301 } 1302 1303 // Join the where arguments for querying. 1304 $where_sql = 'WHERE ' . join( ' AND ', $where_args ); 1305 1306 // Fetch all activities being deleted so we can perform more actions. 1307 $activities = $wpdb->get_results( "SELECT * FROM {$bp->activity->table_name} {$where_sql}" ); 1308 1309 /** 1310 * Action to allow intercepting activity items to be deleted. 1311 * 1312 * @since 2.3.0 1313 * 1314 * @param array $activities Array of activities. 1315 * @param array $r Array of parsed arguments. 1316 */ 1317 do_action_ref_array( 'bp_activity_before_delete', array( $activities, $r ) ); 1318 1319 // Attempt to delete activities from the database. 1320 $deleted = $wpdb->query( "DELETE FROM {$bp->activity->table_name} {$where_sql}" ); 1321 1322 // Bail if nothing was deleted. 1323 if ( empty( $deleted ) ) { 1324 return false; 1325 } 1326 1327 /** 1328 * Action to allow intercepting activity items just deleted. 1329 * 1330 * @since 2.3.0 1331 * 1332 * @param array $activities Array of activities. 1333 * @param array $r Array of parsed arguments. 1334 */ 1335 do_action_ref_array( 'bp_activity_after_delete', array( $activities, $r ) ); 1336 1337 // Pluck the activity IDs out of the $activities array. 1338 $activity_ids = wp_parse_id_list( wp_list_pluck( $activities, 'id' ) ); 1339 1340 // Handle accompanying activity comments and meta deletion. 1341 if ( ! empty( $activity_ids ) ) { 1342 1343 // Delete all activity meta entries for activity items. 1344 BP_Activity_Activity::delete_activity_meta_entries( $activity_ids ); 1345 1346 // Setup empty array for comments. 1347 $comment_ids = array(); 1348 1349 // Loop through activity ids and attempt to delete comments. 1350 foreach ( $activity_ids as $activity_id ) { 1351 1352 // Attempt to delete comments. 1353 $comments = BP_Activity_Activity::delete( array( 1354 'type' => 'activity_comment', 1355 'item_id' => $activity_id 1356 ) ); 1357 1358 // Merge IDs together. 1359 if ( ! empty( $comments ) ) { 1360 $comment_ids = array_merge( $comment_ids, $comments ); 1361 } 1362 } 1363 1364 // Merge activity IDs with any deleted comment IDs. 1365 if ( ! empty( $comment_ids ) ) { 1366 $activity_ids = array_unique( array_merge( $activity_ids, $comment_ids ) ); 1367 } 1368 } 1369 1370 return $activity_ids; 1371 } 1372 1373 /** 1374 * Delete the comments associated with a set of activity items. 1375 * 1376 * This method is no longer used by BuddyPress, and it is recommended not to 1377 * use it going forward, and use BP_Activity_Activity::delete() instead. 1378 * 1379 * @since 1.2.0 1380 * 1381 * @deprecated 2.3.0 1382 * 1383 * @param array $activity_ids Activity IDs whose comments should be deleted. 1384 * @param bool $delete_meta Should we delete the activity meta items for these comments. 1385 * @return bool True on success. 1386 */ 1387 public static function delete_activity_item_comments( $activity_ids = array(), $delete_meta = true ) { 1388 global $wpdb; 1389 1390 $bp = buddypress(); 1391 1392 $delete_meta = (bool) $delete_meta; 1393 $activity_ids = implode( ',', wp_parse_id_list( $activity_ids ) ); 1394 1395 if ( $delete_meta ) { 1396 // Fetch the activity comment IDs for our deleted activity items. 1397 $activity_comment_ids = $wpdb->get_col( "SELECT id FROM {$bp->activity->table_name} WHERE type = 'activity_comment' AND item_id IN ({$activity_ids})" ); 1398 1399 if ( ! empty( $activity_comment_ids ) ) { 1400 self::delete_activity_meta_entries( $activity_comment_ids ); 1401 } 1402 } 1403 1404 return $wpdb->query( "DELETE FROM {$bp->activity->table_name} WHERE type = 'activity_comment' AND item_id IN ({$activity_ids})" ); 1405 } 1406 1407 /** 1408 * Delete the meta entries associated with a set of activity items. 1409 * 1410 * @since 1.2.0 1411 * 1412 * @param array $activity_ids Activity IDs whose meta should be deleted. 1413 * @return bool True on success. 1414 */ 1415 public static function delete_activity_meta_entries( $activity_ids = array() ) { 1416 $activity_ids = wp_parse_id_list( $activity_ids ); 1417 1418 foreach ( $activity_ids as $activity_id ) { 1419 bp_activity_delete_meta( $activity_id ); 1420 } 1421 1422 return true; 1423 } 1424 1425 /** 1426 * Append activity comments to their associated activity items. 1427 * 1428 * @since 1.2.0 1429 * 1430 * @global wpdb $wpdb WordPress database object. 1431 * 1432 * @param array $activities Activities to fetch comments for. 1433 * @param string $spam Optional. 'ham_only' (default), 'spam_only' or 'all'. 1434 * @return array The updated activities with nested comments. 1435 */ 1436 public static function append_comments( $activities, $spam = 'ham_only' ) { 1437 $activity_comments = array(); 1438 1439 // Now fetch the activity comments and parse them into the correct position in the activities array. 1440 foreach ( (array) $activities as $activity ) { 1441 $top_level_parent_id = 'activity_comment' == $activity->type ? $activity->item_id : 0; 1442 $activity_comments[$activity->id] = BP_Activity_Activity::get_activity_comments( $activity->id, $activity->mptt_left, $activity->mptt_right, $spam, $top_level_parent_id ); 1443 } 1444 1445 // Merge the comments with the activity items. 1446 foreach ( (array) $activities as $key => $activity ) { 1447 if ( isset( $activity_comments[$activity->id] ) ) { 1448 $activities[$key]->children = $activity_comments[$activity->id]; 1449 } 1450 } 1451 1452 return $activities; 1453 } 1454 1455 /** 1456 * Get activity comments that are associated with a specific activity ID. 1457 * 1458 * @since 1.2.0 1459 * 1460 * @global wpdb $wpdb WordPress database object. 1461 * 1462 * @param int $activity_id Activity ID to fetch comments for. 1463 * @param int $left Left-most node boundary. 1464 * @param int $right Right-most node boundary. 1465 * @param string $spam Optional. 'ham_only' (default), 'spam_only' or 'all'. 1466 * @param int $top_level_parent_id Optional. The id of the root-level parent activity item. 1467 * @return array The updated activities with nested comments. 1468 */ 1469 public static function get_activity_comments( $activity_id, $left, $right, $spam = 'ham_only', $top_level_parent_id = 0 ) { 1470 global $wpdb; 1471 1472 $function_args = func_get_args(); 1473 1474 if ( empty( $top_level_parent_id ) ) { 1475 $top_level_parent_id = $activity_id; 1476 } 1477 1478 $comments = wp_cache_get( $activity_id, 'bp_activity_comments' ); 1479 1480 // We store the string 'none' to cache the fact that the 1481 // activity item has no comments. 1482 if ( 'none' === $comments ) { 1483 $comments = false; 1484 1485 // A true cache miss. 1486 } elseif ( empty( $comments ) ) { 1487 1488 $bp = buddypress(); 1489 1490 // Select the user's fullname with the query. 1491 if ( bp_is_active( 'xprofile' ) ) { 1492 $fullname_select = ", pd.value as user_fullname"; 1493 $fullname_from = ", {$bp->profile->table_name_data} pd "; 1494 $fullname_where = "AND pd.user_id = a.user_id AND pd.field_id = 1"; 1495 1496 // Prevent debug errors. 1497 } else { 1498 $fullname_select = $fullname_from = $fullname_where = ''; 1499 } 1500 1501 // Don't retrieve activity comments marked as spam. 1502 if ( 'ham_only' == $spam ) { 1503 $spam_sql = 'AND a.is_spam = 0'; 1504 } elseif ( 'spam_only' == $spam ) { 1505 $spam_sql = 'AND a.is_spam = 1'; 1506 } else { 1507 $spam_sql = ''; 1508 } 1509 1510 // Legacy query - not recommended. 1511 1512 /** 1513 * Filters if BuddyPress should use the legacy activity query. 1514 * 1515 * @since 2.0.0 1516 * 1517 * @param bool $value Whether or not to use the legacy query. 1518 * @param BP_Activity_Activity $value Magic method referring to currently called method. 1519 * @param array $func_args Array of the method's argument list. 1520 */ 1521 if ( apply_filters( 'bp_use_legacy_activity_query', false, __METHOD__, $function_args ) ) { 1522 1523 /** 1524 * Filters the MySQL prepared statement for the legacy activity query. 1525 * 1526 * @since 1.5.0 1527 * 1528 * @param string $value Prepared statement for the activity query. 1529 * @param int $activity_id Activity ID to fetch comments for. 1530 * @param int $left Left-most node boundary. 1531 * @param int $right Right-most node boundary. 1532 * @param string $spam_sql SQL Statement portion to differentiate between ham or spam. 1533 */ 1534 $sql = apply_filters( 'bp_activity_comments_user_join_filter', $wpdb->prepare( "SELECT a.*, u.user_email, u.user_nicename, u.user_login, u.display_name{$fullname_select} FROM {$bp->activity->table_name} a, {$wpdb->users} u{$fullname_from} WHERE u.ID = a.user_id {$fullname_where} AND a.type = 'activity_comment' {$spam_sql} AND a.item_id = %d AND a.mptt_left > %d AND a.mptt_left < %d ORDER BY a.date_recorded ASC", $top_level_parent_id, $left, $right ), $activity_id, $left, $right, $spam_sql ); 1535 1536 $descendants = $wpdb->get_results( $sql ); 1537 1538 // We use the mptt BETWEEN clause to limit returned 1539 // descendants to the correct part of the tree. 1540 } else { 1541 $sql = $wpdb->prepare( "SELECT id FROM {$bp->activity->table_name} a WHERE a.type = 'activity_comment' {$spam_sql} AND a.item_id = %d and a.mptt_left > %d AND a.mptt_left < %d ORDER BY a.date_recorded ASC", $top_level_parent_id, $left, $right ); 1542 1543 $descendant_ids = $wpdb->get_col( $sql ); 1544 $descendants = self::get_activity_data( $descendant_ids ); 1545 $descendants = self::append_user_fullnames( $descendants ); 1546 $descendants = self::generate_action_strings( $descendants ); 1547 } 1548 1549 $ref = array(); 1550 1551 // Loop descendants and build an assoc array. 1552 foreach ( (array) $descendants as $d ) { 1553 $d->children = array(); 1554 1555 // If we have a reference on the parent. 1556 if ( isset( $ref[ $d->secondary_item_id ] ) ) { 1557 $ref[ $d->secondary_item_id ]->children[ $d->id ] = $d; 1558 $ref[ $d->id ] =& $ref[ $d->secondary_item_id ]->children[ $d->id ]; 1559 1560 // If we don't have a reference on the parent, put in the root level. 1561 } else { 1562 $comments[ $d->id ] = $d; 1563 $ref[ $d->id ] =& $comments[ $d->id ]; 1564 } 1565 } 1566 1567 // Calculate depth for each item. 1568 foreach ( $ref as &$r ) { 1569 $depth = 1; 1570 $parent_id = $r->secondary_item_id; 1571 1572 while ( $parent_id !== $r->item_id ) { 1573 $depth++; 1574 1575 // When display_comments=stream, the parent comment may not be part of the 1576 // returned results, so we manually fetch it. 1577 if ( empty( $ref[ $parent_id ] ) ) { 1578 $direct_parent = new BP_Activity_Activity( $parent_id ); 1579 if ( isset( $direct_parent->secondary_item_id ) ) { 1580 // If the direct parent is not an activity update, that means we've reached 1581 // the parent activity item (eg. new_blog_post). 1582 if ( 'activity_update' !== $direct_parent->type ) { 1583 $parent_id = $r->item_id; 1584 1585 } else { 1586 $parent_id = $direct_parent->secondary_item_id; 1587 } 1588 1589 } else { 1590 // Something went wrong. Short-circuit the depth calculation. 1591 $parent_id = $r->item_id; 1592 } 1593 } else { 1594 $parent_id = $ref[ $parent_id ]->secondary_item_id; 1595 } 1596 } 1597 $r->depth = $depth; 1598 } 1599 1600 // If we cache a value of false, it'll count as a cache 1601 // miss the next time the activity comments are fetched. 1602 // Storing the string 'none' is a hack workaround to 1603 // avoid unnecessary queries. 1604 if ( false === $comments ) { 1605 $cache_value = 'none'; 1606 } else { 1607 $cache_value = $comments; 1608 } 1609 1610 wp_cache_set( $activity_id, $cache_value, 'bp_activity_comments' ); 1611 } 1612 1613 return $comments; 1614 } 1615 1616 /** 1617 * Rebuild nested comment tree under an activity or activity comment. 1618 * 1619 * @since 1.2.0 1620 * 1621 * @global wpdb $wpdb WordPress database object. 1622 * 1623 * @param int $parent_id ID of an activity or activity comment. 1624 * @param int $left Node boundary start for activity or activity comment. 1625 * @return int Right Node boundary of activity or activity comment. 1626 */ 1627 public static function rebuild_activity_comment_tree( $parent_id, $left = 1 ) { 1628 global $wpdb; 1629 1630 $bp = buddypress(); 1631 1632 // The right value of this node is the left value + 1. 1633 $right = intval( $left + 1 ); 1634 1635 // Get all descendants of this node. 1636 $comments = BP_Activity_Activity::get_child_comments( $parent_id ); 1637 $descendants = wp_list_pluck( $comments, 'id' ); 1638 1639 // Loop the descendants and recalculate the left and right values. 1640 foreach ( (array) $descendants as $descendant_id ) { 1641 $right = BP_Activity_Activity::rebuild_activity_comment_tree( $descendant_id, $right ); 1642 } 1643 1644 // We've got the left value, and now that we've processed the children 1645 // of this node we also know the right value. 1646 if ( 1 === $left ) { 1647 $wpdb->query( $wpdb->prepare( "UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE id = %d", $left, $right, $parent_id ) ); 1648 } else { 1649 $wpdb->query( $wpdb->prepare( "UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE type = 'activity_comment' AND id = %d", $left, $right, $parent_id ) ); 1650 } 1651 1652 // Return the right value of this node + 1. 1653 return intval( $right + 1 ); 1654 } 1655 1656 /** 1657 * Get child comments of an activity or activity comment. 1658 * 1659 * @since 1.2.0 1660 * 1661 * @global wpdb $wpdb WordPress database object. 1662 * 1663 * @param int $parent_id ID of an activity or activity comment. 1664 * @return object Numerically indexed array of child comments. 1665 */ 1666 public static function get_child_comments( $parent_id ) { 1667 global $wpdb; 1668 1669 $bp = buddypress(); 1670 1671 return $wpdb->get_results( $wpdb->prepare( "SELECT id FROM {$bp->activity->table_name} WHERE type = 'activity_comment' AND secondary_item_id = %d", $parent_id ) ); 1672 } 1673 1674 /** 1675 * Get a list of components that have recorded activity associated with them. 1676 * 1677 * @since 1.2.0 1678 * 1679 * @param bool $skip_last_activity If true, components will not be 1680 * included if the only activity type associated with them is 1681 * 'last_activity'. (Since 2.0.0, 'last_activity' is stored in 1682 * the activity table, but these items are not full-fledged 1683 * activity items.) Default: true. 1684 * @return array List of component names. 1685 */ 1686 public static function get_recorded_components( $skip_last_activity = true ) { 1687 global $wpdb; 1688 1689 $bp = buddypress(); 1690 1691 if ( true === $skip_last_activity ) { 1692 $components = $wpdb->get_col( "SELECT DISTINCT component FROM {$bp->activity->table_name} WHERE action != '' AND action != 'last_activity' ORDER BY component ASC" ); 1693 } else { 1694 $components = $wpdb->get_col( "SELECT DISTINCT component FROM {$bp->activity->table_name} ORDER BY component ASC" ); 1695 } 1696 1697 return $components; 1698 } 1699 1700 /** 1701 * Get sitewide activity items for use in an RSS feed. 1702 * 1703 * @since 1.0.0 1704 * 1705 * @param int $limit Optional. Number of items to fetch. Default: 35. 1706 * @return array $activity_feed List of activity items, with RSS data added. 1707 */ 1708 public static function get_sitewide_items_for_feed( $limit = 35 ) { 1709 $activities = bp_activity_get_sitewide( array( 'max' => $limit ) ); 1710 $activity_feed = array(); 1711 1712 for ( $i = 0, $count = count( $activities ); $i < $count; ++$i ) { 1713 $title = explode( '<span', $activities[$i]['content'] ); 1714 $activity_feed[$i]['title'] = trim( strip_tags( $title[0] ) ); 1715 $activity_feed[$i]['link'] = $activities[$i]['primary_link']; 1716 $activity_feed[$i]['description'] = @sprintf( $activities[$i]['content'], '' ); 1717 $activity_feed[$i]['pubdate'] = $activities[$i]['date_recorded']; 1718 } 1719 1720 return $activity_feed; 1721 } 1722 1723 /** 1724 * Create SQL IN clause for filter queries. 1725 * 1726 * @since 1.5.0 1727 * 1728 * @see BP_Activity_Activity::get_filter_sql() 1729 * 1730 * @param string $field The database field. 1731 * @param array|bool $items The values for the IN clause, or false when none are found. 1732 * @return string|false 1733 */ 1734 public static function get_in_operator_sql( $field, $items ) { 1735 global $wpdb; 1736 1737 // Split items at the comma. 1738 if ( ! is_array( $items ) ) { 1739 $items = explode( ',', $items ); 1740 } 1741 1742 // Array of prepared integers or quoted strings. 1743 $items_prepared = array(); 1744 1745 // Clean up and format each item. 1746 foreach ( $items as $item ) { 1747 // Clean up the string. 1748 $item = trim( $item ); 1749 // Pass everything through prepare for security and to safely quote strings. 1750 $items_prepared[] = ( is_numeric( $item ) ) ? $wpdb->prepare( '%d', $item ) : $wpdb->prepare( '%s', $item ); 1751 } 1752 1753 // Build IN operator sql syntax. 1754 if ( count( $items_prepared ) ) 1755 return sprintf( '%s IN ( %s )', trim( $field ), implode( ',', $items_prepared ) ); 1756 else 1757 return false; 1758 } 1759 1760 /** 1761 * Create filter SQL clauses. 1762 * 1763 * @since 1.5.0 1764 * 1765 * @param array $filter_array { 1766 * Fields and values to filter by. 1767 * 1768 * @type array|string|int $user_id User ID(s). 1769 * @type array|string $object Corresponds to the 'component' 1770 * column in the database. 1771 * @type array|string $action Corresponds to the 'type' column 1772 * in the database. 1773 * @type array|string|int $primary_id Corresponds to the 'item_id' 1774 * column in the database. 1775 * @type array|string|int $secondary_id Corresponds to the 1776 * 'secondary_item_id' column in the database. 1777 * @type int $offset Return only those items with an ID greater 1778 * than the offset value. 1779 * @type string $since Return only those items that have a 1780 * date_recorded value greater than a 1781 * given MySQL-formatted date. 1782 * } 1783 * @return string The filter clause, for use in a SQL query. 1784 */ 1785 public static function get_filter_sql( $filter_array ) { 1786 1787 $filter_sql = array(); 1788 1789 if ( !empty( $filter_array['user_id'] ) ) { 1790 $user_sql = BP_Activity_Activity::get_in_operator_sql( 'a.user_id', $filter_array['user_id'] ); 1791 if ( !empty( $user_sql ) ) 1792 $filter_sql[] = $user_sql; 1793 } 1794 1795 if ( !empty( $filter_array['object'] ) ) { 1796 $object_sql = BP_Activity_Activity::get_in_operator_sql( 'a.component', $filter_array['object'] ); 1797 if ( !empty( $object_sql ) ) 1798 $filter_sql[] = $object_sql; 1799 } 1800 1801 if ( !empty( $filter_array['action'] ) ) { 1802 $action_sql = BP_Activity_Activity::get_in_operator_sql( 'a.type', $filter_array['action'] ); 1803 if ( ! empty( $action_sql ) ) 1804 $filter_sql[] = $action_sql; 1805 } 1806 1807 if ( !empty( $filter_array['primary_id'] ) ) { 1808 $pid_sql = BP_Activity_Activity::get_in_operator_sql( 'a.item_id', $filter_array['primary_id'] ); 1809 if ( !empty( $pid_sql ) ) 1810 $filter_sql[] = $pid_sql; 1811 } 1812 1813 if ( !empty( $filter_array['secondary_id'] ) ) { 1814 $sid_sql = BP_Activity_Activity::get_in_operator_sql( 'a.secondary_item_id', $filter_array['secondary_id'] ); 1815 if ( !empty( $sid_sql ) ) 1816 $filter_sql[] = $sid_sql; 1817 } 1818 1819 if ( ! empty( $filter_array['offset'] ) ) { 1820 $sid_sql = absint( $filter_array['offset'] ); 1821 $filter_sql[] = "a.id >= {$sid_sql}"; 1822 } 1823 1824 if ( ! empty( $filter_array['since'] ) ) { 1825 // Validate that this is a proper Y-m-d H:i:s date. 1826 // Trick: parse to UNIX date then translate back. 1827 $translated_date = date( 'Y-m-d H:i:s', strtotime( $filter_array['since'] ) ); 1828 if ( $translated_date === $filter_array['since'] ) { 1829 $filter_sql[] = "a.date_recorded > '{$translated_date}'"; 1830 } 1831 } 1832 1833 if ( empty( $filter_sql ) ) 1834 return false; 1835 1836 return join( ' AND ', $filter_sql ); 1837 } 1838 1839 /** 1840 * Get the date/time of last recorded activity. 1841 * 1842 * @since 1.2.0 1843 * 1844 * @return string ISO timestamp. 1845 */ 1846 public static function get_last_updated() { 1847 global $wpdb; 1848 1849 $bp = buddypress(); 1850 1851 return $wpdb->get_var( "SELECT date_recorded FROM {$bp->activity->table_name} ORDER BY date_recorded DESC LIMIT 1" ); 1852 } 1853 1854 /** 1855 * Get favorite count for a given user. 1856 * 1857 * @since 1.2.0 1858 * 1859 * @param int $user_id The ID of the user whose favorites you're counting. 1860 * @return int $value A count of the user's favorites. 1861 */ 1862 public static function total_favorite_count( $user_id ) { 1863 1864 // Get activities from user meta. 1865 $favorite_activity_entries = bp_get_user_meta( $user_id, 'bp_favorite_activities', true ); 1866 if ( ! empty( $favorite_activity_entries ) ) { 1867 return count( $favorite_activity_entries ); 1868 } 1869 1870 // No favorites. 1871 return 0; 1872 } 1873 1874 /** 1875 * Check whether an activity item exists with a given string content. 1876 * 1877 * @since 1.1.0 1878 * 1879 * @param string $content The content to filter by. 1880 * @return int|false The ID of the first matching item if found, otherwise false. 1881 */ 1882 public static function check_exists_by_content( $content ) { 1883 global $wpdb; 1884 1885 $bp = buddypress(); 1886 1887 $result = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM {$bp->activity->table_name} WHERE content = %s", $content ) ); 1888 1889 return is_numeric( $result ) ? (int) $result : false; 1890 } 1891 1892 /** 1893 * Hide all activity for a given user. 1894 * 1895 * @since 1.2.0 1896 * 1897 * @param int $user_id The ID of the user whose activity you want to mark hidden. 1898 * @return mixed 1899 */ 1900 public static function hide_all_for_user( $user_id ) { 1901 global $wpdb; 1902 1903 $bp = buddypress(); 1904 1905 return $wpdb->get_var( $wpdb->prepare( "UPDATE {$bp->activity->table_name} SET hide_sitewide = 1 WHERE user_id = %d", $user_id ) ); 1906 } 1907 }
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