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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', __( 'You need to define a component parameter to insert activity.', 'buddypress' ) ); 272 } else { 273 $this->errors->add( 'bp_activity_missing_type', __( 'You need to define a type parameter to insert activity.', 'buddypress' ) ); 274 } 275 276 return $this->errors; 277 } 278 } 279 280 /** 281 * Use this filter to make the content of your activity required. 282 * 283 * @since 6.0.0 284 * 285 * @param bool $value True if the content of the activity type is required. 286 * False otherwise. 287 * @param string $type The type of the activity we are about to insert. 288 */ 289 $type_requires_content = (bool) apply_filters( 'bp_activity_type_requires_content', $this->type === 'activity_update', $this->type ); 290 if ( $type_requires_content && ! $this->content ) { 291 if ( 'bool' === $this->error_type ) { 292 return false; 293 } else { 294 $this->errors->add( 'bp_activity_missing_content', __( 'Please enter some content to post.', 'buddypress' ) ); 295 296 return $this->errors; 297 } 298 } 299 300 if ( empty( $this->primary_link ) ) { 301 $this->primary_link = bp_loggedin_user_domain(); 302 } 303 304 // If we have an existing ID, update the activity item, otherwise insert it. 305 if ( ! empty( $this->id ) ) { 306 $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 ); 307 } else { 308 $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 ); 309 } 310 311 if ( false === $wpdb->query( $q ) ) { 312 return false; 313 } 314 315 // If this is a new activity item, set the $id property. 316 if ( empty( $this->id ) ) { 317 $this->id = $wpdb->insert_id; 318 319 // If an existing activity item, prevent any changes to the content generating new @mention notifications. 320 } else { 321 add_filter( 'bp_activity_at_name_do_notifications', '__return_false' ); 322 } 323 324 /** 325 * Fires after an activity item has been saved to the database. 326 * 327 * @since 1.0.0 328 * 329 * @param BP_Activity_Activity $this Current instance of activity item being saved. Passed by reference. 330 */ 331 do_action_ref_array( 'bp_activity_after_save', array( &$this ) ); 332 333 return true; 334 } 335 336 /** Static Methods ***************************************************/ 337 338 /** 339 * Get activity items, as specified by parameters. 340 * 341 * @since 1.2.0 342 * @since 2.4.0 Introduced the `$fields` parameter. 343 * @since 2.9.0 Introduced the `$order_by` parameter. 344 * 345 * @see BP_Activity_Activity::get_filter_sql() for a description of the 346 * 'filter' parameter. 347 * @see WP_Meta_Query::queries for a description of the 'meta_query' 348 * parameter format. 349 * 350 * @param array $args { 351 * An array of arguments. All items are optional. 352 * @type int $page Which page of results to fetch. Using page=1 without per_page will result 353 * in no pagination. Default: 1. 354 * @type int|bool $per_page Number of results per page. Default: 25. 355 * @type int|bool $max Maximum number of results to return. Default: false (unlimited). 356 * @type string $fields Activity fields to return. Pass 'ids' to get only the activity IDs. 357 * 'all' returns full activity objects. 358 * @type string $sort ASC or DESC. Default: 'DESC'. 359 * @type string $order_by Column to order results by. 360 * @type array $exclude Array of activity IDs to exclude. Default: false. 361 * @type array $in Array of ids to limit query by (IN). Default: false. 362 * @type array $meta_query Array of meta_query conditions. See WP_Meta_Query::queries. 363 * @type array $date_query Array of date_query conditions. See first parameter of 364 * WP_Date_Query::__construct(). 365 * @type array $filter_query Array of advanced query conditions. See BP_Activity_Query::__construct(). 366 * @type string|array $scope Pre-determined set of activity arguments. 367 * @type array $filter See BP_Activity_Activity::get_filter_sql(). 368 * @type string $search_terms Limit results by a search term. Default: false. 369 * @type bool $display_comments Whether to include activity comments. Default: false. 370 * @type bool $show_hidden Whether to show items marked hide_sitewide. Default: false. 371 * @type string $spam Spam status. Default: 'ham_only'. 372 * @type bool $update_meta_cache Whether to pre-fetch metadata for queried activity items. Default: true. 373 * @type string|bool $count_total If true, an additional DB query is run to count the total activity items 374 * for the query. Default: false. 375 * } 376 * @return array The array returned has two keys: 377 * - 'total' is the count of located activities 378 * - 'activities' is an array of the located activities 379 */ 380 public static function get( $args = array() ) { 381 global $wpdb; 382 383 $function_args = func_get_args(); 384 385 // Backward compatibility with old method of passing arguments. 386 if ( ! is_array( $args ) || count( $function_args ) > 1 ) { 387 _deprecated_argument( 388 __METHOD__, 389 '1.6', 390 sprintf( 391 /* translators: 1: the name of the method. 2: the name of the file. */ 392 esc_html__( 'Arguments passed to %1$s should be in an associative array. See the inline documentation at %2$s for more details.', 'buddypress' ), 393 __METHOD__, 394 __FILE__ 395 ) 396 ); 397 398 $old_args_keys = array( 399 0 => 'max', 400 1 => 'page', 401 2 => 'per_page', 402 3 => 'sort', 403 4 => 'search_terms', 404 5 => 'filter', 405 6 => 'display_comments', 406 7 => 'show_hidden', 407 8 => 'exclude', 408 9 => 'in', 409 10 => 'spam' 410 ); 411 412 $args = bp_core_parse_args_array( $old_args_keys, $function_args ); 413 } 414 415 $bp = buddypress(); 416 $r = bp_parse_args( 417 $args, 418 array( 419 'page' => 1, // The current page. 420 'per_page' => 25, // Activity items per page. 421 'max' => false, // Max number of items to return. 422 'fields' => 'all', // Fields to include. 423 'sort' => 'DESC', // ASC or DESC. 424 'order_by' => 'date_recorded', // Column to order by. 425 'exclude' => false, // Array of ids to exclude. 426 'in' => false, // Array of ids to limit query by (IN). 427 'meta_query' => false, // Filter by activitymeta. 428 'date_query' => false, // Filter by date. 429 'filter_query' => false, // Advanced filtering - see BP_Activity_Query. 430 'filter' => false, // See self::get_filter_sql(). 431 'scope' => false, // Preset activity arguments. 432 'search_terms' => false, // Terms to search by. 433 'display_comments' => false, // Whether to include activity comments. 434 'show_hidden' => false, // Show items marked hide_sitewide. 435 'spam' => 'ham_only', // Spam status. 436 'update_meta_cache' => true, // Whether or not to update meta cache. 437 'count_total' => false, // Whether or not to use count_total. 438 ) 439 ); 440 441 // Select conditions. 442 $select_sql = "SELECT DISTINCT a.id"; 443 444 $from_sql = " FROM {$bp->activity->table_name} a"; 445 446 $join_sql = ''; 447 448 // Where conditions. 449 $where_conditions = array(); 450 451 // Excluded types. 452 $excluded_types = array(); 453 454 // Scope takes precedence. 455 if ( ! empty( $r['scope'] ) ) { 456 $scope_query = self::get_scope_query_sql( $r['scope'], $r ); 457 458 // Add our SQL conditions if matches were found. 459 if ( ! empty( $scope_query['sql'] ) ) { 460 $where_conditions['scope_query_sql'] = $scope_query['sql']; 461 } 462 463 // Override some arguments if needed. 464 if ( ! empty( $scope_query['override'] ) ) { 465 $r = array_replace_recursive( $r, $scope_query['override'] ); 466 } 467 468 // Advanced filtering. 469 } elseif ( ! empty( $r['filter_query'] ) ) { 470 $filter_query = new BP_Activity_Query( $r['filter_query'] ); 471 $sql = $filter_query->get_sql(); 472 if ( ! empty( $sql ) ) { 473 $where_conditions['filter_query_sql'] = $sql; 474 } 475 } 476 477 // Regular filtering. 478 if ( $r['filter'] && $filter_sql = BP_Activity_Activity::get_filter_sql( $r['filter'] ) ) { 479 $where_conditions['filter_sql'] = $filter_sql; 480 } 481 482 // Spam. 483 if ( 'ham_only' == $r['spam'] ) { 484 $where_conditions['spam_sql'] = 'a.is_spam = 0'; 485 } elseif ( 'spam_only' == $r['spam'] ) { 486 $where_conditions['spam_sql'] = 'a.is_spam = 1'; 487 } 488 489 // Searching. 490 if ( $r['search_terms'] ) { 491 $search_terms_like = '%' . bp_esc_like( $r['search_terms'] ) . '%'; 492 $where_conditions['search_sql'] = $wpdb->prepare( 'a.content LIKE %s', $search_terms_like ); 493 494 /** 495 * Filters whether or not to include users for search parameters. 496 * 497 * @since 3.0.0 498 * 499 * @param bool $value Whether or not to include user search. Default false. 500 */ 501 if ( apply_filters( 'bp_activity_get_include_user_search', false ) ) { 502 $user_search = get_user_by( 'slug', $r['search_terms'] ); 503 if ( false !== $user_search ) { 504 $user_id = $user_search->ID; 505 $where_conditions['search_sql'] .= $wpdb->prepare( ' OR a.user_id = %d', $user_id ); 506 } 507 } 508 } 509 510 // Sorting. 511 $sort = $r['sort']; 512 if ( $sort != 'ASC' && $sort != 'DESC' ) { 513 $sort = 'DESC'; 514 } 515 516 switch( $r['order_by'] ) { 517 case 'id' : 518 case 'user_id' : 519 case 'component' : 520 case 'type' : 521 case 'action' : 522 case 'content' : 523 case 'primary_link' : 524 case 'item_id' : 525 case 'secondary_item_id' : 526 case 'date_recorded' : 527 case 'hide_sitewide' : 528 case 'mptt_left' : 529 case 'mptt_right' : 530 case 'is_spam' : 531 break; 532 533 default : 534 $r['order_by'] = 'date_recorded'; 535 break; 536 } 537 $order_by = 'a.' . $r['order_by']; 538 539 // Hide Hidden Items? 540 if ( ! $r['show_hidden'] ) { 541 $where_conditions['hidden_sql'] = "a.hide_sitewide = 0"; 542 } 543 544 // Exclude specified items. 545 if ( ! empty( $r['exclude'] ) ) { 546 $exclude = implode( ',', wp_parse_id_list( $r['exclude'] ) ); 547 $where_conditions['exclude'] = "a.id NOT IN ({$exclude})"; 548 } 549 550 // The specific ids to which you want to limit the query. 551 if ( ! empty( $r['in'] ) ) { 552 $in = implode( ',', wp_parse_id_list( $r['in'] ) ); 553 $where_conditions['in'] = "a.id IN ({$in})"; 554 } 555 556 // Process meta_query into SQL. 557 $meta_query_sql = self::get_meta_query_sql( $r['meta_query'] ); 558 559 if ( ! empty( $meta_query_sql['join'] ) ) { 560 $join_sql .= $meta_query_sql['join']; 561 } 562 563 if ( ! empty( $meta_query_sql['where'] ) ) { 564 $where_conditions[] = $meta_query_sql['where']; 565 } 566 567 // Process date_query into SQL. 568 $date_query_sql = self::get_date_query_sql( $r['date_query'] ); 569 570 if ( ! empty( $date_query_sql ) ) { 571 $where_conditions['date'] = $date_query_sql; 572 } 573 574 // Alter the query based on whether we want to show activity item 575 // comments in the stream like normal comments or threaded below 576 // the activity. 577 if ( false === $r['display_comments'] || 'threaded' === $r['display_comments'] ) { 578 $excluded_types[] = 'activity_comment'; 579 } 580 581 // Exclude 'last_activity' items unless the 'action' filter has 582 // been explicitly set. 583 if ( empty( $r['filter']['object'] ) ) { 584 $excluded_types[] = 'last_activity'; 585 } 586 587 // Build the excluded type sql part. 588 if ( ! empty( $excluded_types ) ) { 589 $not_in = "'" . implode( "', '", esc_sql( $excluded_types ) ) . "'"; 590 $where_conditions['excluded_types'] = "a.type NOT IN ({$not_in})"; 591 } 592 593 /** 594 * Filters the MySQL WHERE conditions for the Activity items get method. 595 * 596 * @since 1.9.0 597 * 598 * @param array $where_conditions Current conditions for MySQL WHERE statement. 599 * @param array $r Parsed arguments passed into method. 600 * @param string $select_sql Current SELECT MySQL statement at point of execution. 601 * @param string $from_sql Current FROM MySQL statement at point of execution. 602 * @param string $join_sql Current INNER JOIN MySQL statement at point of execution. 603 */ 604 $where_conditions = apply_filters( 'bp_activity_get_where_conditions', $where_conditions, $r, $select_sql, $from_sql, $join_sql ); 605 606 // Join the where conditions together. 607 $where_sql = 'WHERE ' . join( ' AND ', $where_conditions ); 608 609 /** 610 * Filter the MySQL JOIN clause for the main activity query. 611 * 612 * @since 2.5.0 613 * 614 * @param string $join_sql JOIN clause. 615 * @param array $r Method parameters. 616 * @param string $select_sql Current SELECT MySQL statement. 617 * @param string $from_sql Current FROM MySQL statement. 618 * @param string $where_sql Current WHERE MySQL statement. 619 */ 620 $join_sql = apply_filters( 'bp_activity_get_join_sql', $join_sql, $r, $select_sql, $from_sql, $where_sql ); 621 622 // Sanitize page and per_page parameters. 623 $page = absint( $r['page'] ); 624 $per_page = absint( $r['per_page'] ); 625 626 $retval = array( 627 'activities' => null, 628 'total' => null, 629 'has_more_items' => null, 630 ); 631 632 /** 633 * Filters if BuddyPress should use legacy query structure over current structure for version 2.0+. 634 * 635 * It is not recommended to use the legacy structure, but allowed to if needed. 636 * 637 * @since 2.0.0 638 * 639 * @param bool $value Whether to use legacy structure or not. 640 * @param BP_Activity_Activity $value Current method being called. 641 * @param array $r Parsed arguments passed into method. 642 */ 643 if ( apply_filters( 'bp_use_legacy_activity_query', false, __METHOD__, $r ) ) { 644 645 // Legacy queries joined against the user table. 646 $select_sql = "SELECT DISTINCT a.*, u.user_email, u.user_nicename, u.user_login, u.display_name"; 647 $from_sql = " FROM {$bp->activity->table_name} a LEFT JOIN {$wpdb->users} u ON a.user_id = u.ID"; 648 649 if ( ! empty( $page ) && ! empty( $per_page ) ) { 650 $pag_sql = $wpdb->prepare( "LIMIT %d, %d", absint( ( $page - 1 ) * $per_page ), $per_page ); 651 652 /** This filter is documented in bp-activity/bp-activity-classes.php */ 653 $activity_sql = apply_filters( 'bp_activity_get_user_join_filter', "{$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 ); 654 } else { 655 $pag_sql = ''; 656 657 /** 658 * Filters the legacy MySQL query statement so plugins can alter before results are fetched. 659 * 660 * @since 1.5.0 661 * 662 * @param string $value Concatenated MySQL statement pieces to be query results with for legacy query. 663 * @param string $select_sql Final SELECT MySQL statement portion for legacy query. 664 * @param string $from_sql Final FROM MySQL statement portion for legacy query. 665 * @param string $where_sql Final WHERE MySQL statement portion for legacy query. 666 * @param string $sort Final sort direction for legacy query. 667 */ 668 $activity_sql = apply_filters( 'bp_activity_get_user_join_filter', "{$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 ); 669 } 670 671 /* 672 * Queries that include 'last_activity' are cached separately, 673 * since they are generally much less long-lived. 674 */ 675 if ( preg_match( '/a\.type NOT IN \([^\)]*\'last_activity\'[^\)]*\)/', $activity_sql ) ) { 676 $cache_group = 'bp_activity'; 677 } else { 678 $cache_group = 'bp_activity_with_last_activity'; 679 } 680 681 $activities = $wpdb->get_results( $activity_sql ); 682 683 // Integer casting for legacy activity query. 684 foreach ( (array) $activities as $i => $ac ) { 685 $activities[ $i ]->id = (int) $ac->id; 686 $activities[ $i ]->item_id = (int) $ac->item_id; 687 $activities[ $i ]->secondary_item_id = (int) $ac->secondary_item_id; 688 $activities[ $i ]->user_id = (int) $ac->user_id; 689 $activities[ $i ]->hide_sitewide = (int) $ac->hide_sitewide; 690 $activities[ $i ]->mptt_left = (int) $ac->mptt_left; 691 $activities[ $i ]->mptt_right = (int) $ac->mptt_right; 692 $activities[ $i ]->is_spam = (int) $ac->is_spam; 693 } 694 695 } else { 696 // Query first for activity IDs. 697 $activity_ids_sql = "{$select_sql} {$from_sql} {$join_sql} {$where_sql} ORDER BY {$order_by} {$sort}, a.id {$sort}"; 698 699 if ( ! empty( $per_page ) && ! empty( $page ) ) { 700 // We query for $per_page + 1 items in order to 701 // populate the has_more_items flag. 702 $activity_ids_sql .= $wpdb->prepare( " LIMIT %d, %d", absint( ( $page - 1 ) * $per_page ), $per_page + 1 ); 703 } 704 705 /** 706 * Filters the paged activities MySQL statement. 707 * 708 * @since 2.0.0 709 * 710 * @param string $activity_ids_sql MySQL statement used to query for Activity IDs. 711 * @param array $r Array of arguments passed into method. 712 */ 713 $activity_ids_sql = apply_filters( 'bp_activity_paged_activities_sql', $activity_ids_sql, $r ); 714 715 /* 716 * Queries that include 'last_activity' are cached separately, 717 * since they are generally much less long-lived. 718 */ 719 if ( preg_match( '/a\.type NOT IN \([^\)]*\'last_activity\'[^\)]*\)/', $activity_ids_sql ) ) { 720 $cache_group = 'bp_activity'; 721 } else { 722 $cache_group = 'bp_activity_with_last_activity'; 723 } 724 725 $cached = bp_core_get_incremented_cache( $activity_ids_sql, $cache_group ); 726 if ( false === $cached ) { 727 $activity_ids = $wpdb->get_col( $activity_ids_sql ); 728 bp_core_set_incremented_cache( $activity_ids_sql, $cache_group, $activity_ids ); 729 } else { 730 $activity_ids = $cached; 731 } 732 733 $retval['has_more_items'] = ! empty( $per_page ) && count( $activity_ids ) > $per_page; 734 735 // If we've fetched more than the $per_page value, we 736 // can discard the extra now. 737 if ( ! empty( $per_page ) && count( $activity_ids ) === $per_page + 1 ) { 738 array_pop( $activity_ids ); 739 } 740 741 if ( 'ids' === $r['fields'] ) { 742 $activities = array_map( 'intval', $activity_ids ); 743 } else { 744 $activities = self::get_activity_data( $activity_ids ); 745 } 746 } 747 748 if ( 'ids' !== $r['fields'] ) { 749 // Get the fullnames of users so we don't have to query in the loop. 750 $activities = self::append_user_fullnames( $activities ); 751 752 // Get activity meta. 753 $activity_ids = array(); 754 foreach ( (array) $activities as $activity ) { 755 $activity_ids[] = $activity->id; 756 } 757 758 if ( ! empty( $activity_ids ) && $r['update_meta_cache'] ) { 759 bp_activity_update_meta_cache( $activity_ids ); 760 } 761 762 if ( $activities && $r['display_comments'] ) { 763 $activities = BP_Activity_Activity::append_comments( $activities, $r['spam'] ); 764 } 765 766 // Pre-fetch data associated with activity users and other objects. 767 BP_Activity_Activity::prefetch_object_data( $activities ); 768 769 // Generate action strings. 770 $activities = BP_Activity_Activity::generate_action_strings( $activities ); 771 } 772 773 $retval['activities'] = $activities; 774 775 // If $max is set, only return up to the max results. 776 if ( ! empty( $r['count_total'] ) ) { 777 778 /** 779 * Filters the total activities MySQL statement. 780 * 781 * @since 1.5.0 782 * 783 * @param string $value MySQL statement used to query for total activities. 784 * @param string $where_sql MySQL WHERE statement portion. 785 * @param string $sort Sort direction for query. 786 */ 787 $total_activities_sql = apply_filters( 'bp_activity_total_activities_sql', "SELECT count(DISTINCT a.id) FROM {$bp->activity->table_name} a {$join_sql} {$where_sql}", $where_sql, $sort ); 788 $cached = bp_core_get_incremented_cache( $total_activities_sql, $cache_group ); 789 if ( false === $cached ) { 790 $total_activities = $wpdb->get_var( $total_activities_sql ); 791 bp_core_set_incremented_cache( $total_activities_sql, $cache_group, $total_activities ); 792 } else { 793 $total_activities = $cached; 794 } 795 796 if ( !empty( $r['max'] ) ) { 797 if ( (int) $total_activities > (int) $r['max'] ) { 798 $total_activities = $r['max']; 799 } 800 } 801 802 $retval['total'] = $total_activities; 803 } 804 805 return $retval; 806 } 807 808 /** 809 * Convert activity IDs to activity objects, as expected in template loop. 810 * 811 * @since 2.0.0 812 * 813 * @param array $activity_ids Array of activity IDs. 814 * @return array 815 */ 816 protected static function get_activity_data( $activity_ids = array() ) { 817 global $wpdb; 818 819 // Bail if no activity ID's passed. 820 if ( empty( $activity_ids ) ) { 821 return array(); 822 } 823 824 // Get BuddyPress. 825 $bp = buddypress(); 826 827 $activities = array(); 828 $uncached_ids = bp_get_non_cached_ids( $activity_ids, 'bp_activity' ); 829 830 // Prime caches as necessary. 831 if ( ! empty( $uncached_ids ) ) { 832 // Format the activity ID's for use in the query below. 833 $uncached_ids_sql = implode( ',', wp_parse_id_list( $uncached_ids ) ); 834 835 // Fetch data from activity table, preserving order. 836 $queried_adata = $wpdb->get_results( "SELECT * FROM {$bp->activity->table_name} WHERE id IN ({$uncached_ids_sql})"); 837 838 // Put that data into the placeholders created earlier, 839 // and add it to the cache. 840 foreach ( (array) $queried_adata as $adata ) { 841 wp_cache_set( $adata->id, $adata, 'bp_activity' ); 842 } 843 } 844 845 // Now fetch data from the cache. 846 foreach ( $activity_ids as $activity_id ) { 847 // Integer casting. 848 $activity = wp_cache_get( $activity_id, 'bp_activity' ); 849 if ( ! empty( $activity ) ) { 850 $activity->id = (int) $activity->id; 851 $activity->user_id = (int) $activity->user_id; 852 $activity->item_id = (int) $activity->item_id; 853 $activity->secondary_item_id = (int) $activity->secondary_item_id; 854 $activity->hide_sitewide = (int) $activity->hide_sitewide; 855 $activity->mptt_left = (int) $activity->mptt_left; 856 $activity->mptt_right = (int) $activity->mptt_right; 857 $activity->is_spam = (int) $activity->is_spam; 858 } 859 860 $activities[] = $activity; 861 } 862 863 // Then fetch user data. 864 $user_query = new BP_User_Query( array( 865 'user_ids' => wp_list_pluck( $activities, 'user_id' ), 866 'populate_extras' => false, 867 ) ); 868 869 // Associated located user data with activity items. 870 foreach ( $activities as $a_index => $a_item ) { 871 $a_user_id = intval( $a_item->user_id ); 872 $a_user = isset( $user_query->results[ $a_user_id ] ) ? $user_query->results[ $a_user_id ] : ''; 873 874 if ( !empty( $a_user ) ) { 875 $activities[ $a_index ]->user_email = $a_user->user_email; 876 $activities[ $a_index ]->user_nicename = $a_user->user_nicename; 877 $activities[ $a_index ]->user_login = $a_user->user_login; 878 $activities[ $a_index ]->display_name = $a_user->display_name; 879 } 880 } 881 882 return $activities; 883 } 884 885 /** 886 * Append xProfile fullnames to an activity array. 887 * 888 * @since 2.0.0 889 * 890 * @param array $activities Activities array. 891 * @return array 892 */ 893 protected static function append_user_fullnames( $activities ) { 894 895 if ( bp_is_active( 'xprofile' ) && ! empty( $activities ) ) { 896 $activity_user_ids = wp_list_pluck( $activities, 'user_id' ); 897 898 if ( ! empty( $activity_user_ids ) ) { 899 $fullnames = bp_core_get_user_displaynames( $activity_user_ids ); 900 if ( ! empty( $fullnames ) ) { 901 foreach ( (array) $activities as $i => $activity ) { 902 if ( ! empty( $fullnames[ $activity->user_id ] ) ) { 903 $activities[ $i ]->user_fullname = $fullnames[ $activity->user_id ]; 904 } 905 } 906 } 907 } 908 } 909 910 return $activities; 911 } 912 913 /** 914 * Pre-fetch data for objects associated with activity items. 915 * 916 * Activity items are associated with users, and often with other 917 * BuddyPress data objects. Here, we pre-fetch data about these 918 * associated objects, so that inline lookups - done primarily when 919 * building action strings - do not result in excess database queries. 920 * 921 * The only object data required for activity component activity types 922 * (activity_update and activity_comment) is related to users, and that 923 * info is fetched separately in BP_Activity_Activity::get_activity_data(). 924 * So this method contains nothing but a filter that allows other 925 * components, such as bp-friends and bp-groups, to hook in and prime 926 * their own caches at the beginning of an activity loop. 927 * 928 * @since 2.0.0 929 * 930 * @param array $activities Array of activities. 931 * @return array $activities Array of activities. 932 */ 933 protected static function prefetch_object_data( $activities ) { 934 935 /** 936 * Filters inside prefetch_object_data method to aid in pre-fetching object data associated with activity item. 937 * 938 * @since 2.0.0 939 * 940 * @param array $activities Array of activities. 941 */ 942 return apply_filters( 'bp_activity_prefetch_object_data', $activities ); 943 } 944 945 /** 946 * Generate action strings for the activities located in BP_Activity_Activity::get(). 947 * 948 * If no string can be dynamically generated for a given item 949 * (typically because the activity type has not been properly 950 * registered), the static 'action' value pulled from the database will 951 * be left in place. 952 * 953 * @since 2.0.0 954 * 955 * @param array $activities Array of activities. 956 * @return array 957 */ 958 protected static function generate_action_strings( $activities ) { 959 foreach ( $activities as $key => $activity ) { 960 $generated_action = bp_activity_generate_action_string( $activity ); 961 if ( false !== $generated_action ) { 962 $activity->action = $generated_action; 963 } 964 965 $activities[ $key ] = $activity; 966 } 967 968 return $activities; 969 } 970 971 /** 972 * Get the SQL for the 'meta_query' param in BP_Activity_Activity::get(). 973 * 974 * We use WP_Meta_Query to do the heavy lifting of parsing the 975 * meta_query array and creating the necessary SQL clauses. However, 976 * since BP_Activity_Activity::get() builds its SQL differently than 977 * WP_Query, we have to alter the return value (stripping the leading 978 * AND keyword from the 'where' clause). 979 * 980 * @since 1.8.0 981 * 982 * @param array $meta_query An array of meta_query filters. See the 983 * documentation for WP_Meta_Query for details. 984 * @return array $sql_array 'join' and 'where' clauses. 985 */ 986 public static function get_meta_query_sql( $meta_query = array() ) { 987 global $wpdb; 988 989 $sql_array = array( 990 'join' => '', 991 'where' => '', 992 ); 993 994 if ( ! empty( $meta_query ) ) { 995 $activity_meta_query = new WP_Meta_Query( $meta_query ); 996 997 // WP_Meta_Query expects the table name at 998 // $wpdb->activitymeta. 999 $wpdb->activitymeta = buddypress()->activity->table_name_meta; 1000 1001 $meta_sql = $activity_meta_query->get_sql( 'activity', 'a', 'id' ); 1002 1003 // Strip the leading AND - BP handles it in get(). 1004 $sql_array['where'] = preg_replace( '/^\sAND/', '', $meta_sql['where'] ); 1005 $sql_array['join'] = $meta_sql['join']; 1006 } 1007 1008 return $sql_array; 1009 } 1010 1011 /** 1012 * Get the SQL for the 'date_query' param in BP_Activity_Activity::get(). 1013 * 1014 * We use BP_Date_Query, which extends WP_Date_Query, to do the heavy lifting 1015 * of parsing the date_query array and creating the necessary SQL clauses. 1016 * However, since BP_Activity_Activity::get() builds its SQL differently than 1017 * WP_Query, we have to alter the return value (stripping the leading AND 1018 * keyword from the query). 1019 * 1020 * @since 2.1.0 1021 * 1022 * @param array $date_query An array of date_query parameters. See the 1023 * documentation for the first parameter of WP_Date_Query. 1024 * @return string 1025 */ 1026 public static function get_date_query_sql( $date_query = array() ) { 1027 $sql = ''; 1028 1029 // Date query. 1030 if ( ! empty( $date_query ) && is_array( $date_query ) ) { 1031 $date_query = new BP_Date_Query( $date_query, 'date_recorded' ); 1032 $sql = preg_replace( '/^\sAND/', '', $date_query->get_sql() ); 1033 } 1034 1035 return $sql; 1036 } 1037 1038 /** 1039 * Get the SQL for the 'scope' param in BP_Activity_Activity::get(). 1040 * 1041 * A scope is a predetermined set of activity arguments. This method is used 1042 * to grab these activity arguments and override any existing args if needed. 1043 * 1044 * Can handle multiple scopes. 1045 * 1046 * @since 2.2.0 1047 * 1048 * @param mixed $scope The activity scope. Accepts string or array of scopes. 1049 * @param array $r Current activity arguments. Same as those of BP_Activity_Activity::get(), 1050 * but merged with defaults. 1051 * @return false|array 'sql' WHERE SQL string and 'override' activity args. 1052 */ 1053 public static function get_scope_query_sql( $scope = false, $r = array() ) { 1054 1055 // Define arrays for future use. 1056 $query_args = array(); 1057 $override = array(); 1058 $retval = array(); 1059 1060 // Check for array of scopes. 1061 if ( is_array( $scope ) ) { 1062 $scopes = $scope; 1063 1064 // Explode a comma separated string of scopes. 1065 } elseif ( is_string( $scope ) ) { 1066 $scopes = explode( ',', $scope ); 1067 } 1068 1069 // Bail if no scope passed. 1070 if ( empty( $scopes ) ) { 1071 return false; 1072 } 1073 1074 // Helper to easily grab the 'user_id'. 1075 if ( ! empty( $r['filter']['user_id'] ) ) { 1076 $r['user_id'] = $r['filter']['user_id']; 1077 } 1078 1079 // Parse each scope; yes! we handle multiples! 1080 foreach ( $scopes as $scope ) { 1081 $scope_args = array(); 1082 1083 /** 1084 * Plugins can hook here to set their activity arguments for custom scopes. 1085 * 1086 * This is a dynamic filter based on the activity scope. eg: 1087 * - 'bp_activity_set_groups_scope_args' 1088 * - 'bp_activity_set_friends_scope_args' 1089 * 1090 * To see how this filter is used, plugin devs should check out: 1091 * - bp_groups_filter_activity_scope() - used for 'groups' scope 1092 * - bp_friends_filter_activity_scope() - used for 'friends' scope 1093 * 1094 * @since 2.2.0 1095 * 1096 * @param array { 1097 * Activity query clauses. 1098 * @type array { 1099 * Activity arguments for your custom scope. 1100 * See {@link BP_Activity_Query::_construct()} for more details. 1101 * } 1102 * @type array $override Optional. Override existing activity arguments passed by $r. 1103 * } 1104 * } 1105 * @param array $r Current activity arguments passed in BP_Activity_Activity::get(). 1106 */ 1107 $scope_args = apply_filters( "bp_activity_set_{$scope}_scope_args", array(), $r ); 1108 1109 if ( ! empty( $scope_args ) ) { 1110 // Merge override properties from other scopes 1111 // this might be a problem... 1112 if ( ! empty( $scope_args['override'] ) ) { 1113 $override = array_merge( $override, $scope_args['override'] ); 1114 unset( $scope_args['override'] ); 1115 } 1116 1117 // Save scope args. 1118 if ( ! empty( $scope_args ) ) { 1119 $query_args[] = $scope_args; 1120 } 1121 } 1122 } 1123 1124 if ( ! empty( $query_args ) ) { 1125 // Set relation to OR. 1126 $query_args['relation'] = 'OR'; 1127 1128 $query = new BP_Activity_Query( $query_args ); 1129 $sql = $query->get_sql(); 1130 if ( ! empty( $sql ) ) { 1131 $retval['sql'] = $sql; 1132 } 1133 } 1134 1135 if ( ! empty( $override ) ) { 1136 $retval['override'] = $override; 1137 } 1138 1139 return $retval; 1140 } 1141 1142 /** 1143 * In BuddyPress 1.2.x, this was used to retrieve specific activity stream items (for example, on an activity's permalink page). 1144 * 1145 * As of 1.5.x, use BP_Activity_Activity::get() with an 'in' parameter instead. 1146 * 1147 * @since 1.2.0 1148 * 1149 * @deprecated 1.5 1150 * @deprecated Use BP_Activity_Activity::get() with an 'in' parameter instead. 1151 * 1152 * @param mixed $activity_ids Array or comma-separated string of activity IDs to retrieve. 1153 * @param int|bool $max Maximum number of results to return. (Optional; default is no maximum). 1154 * @param int $page The set of results that the user is viewing. Used in pagination. (Optional; default is 1). 1155 * @param int $per_page Specifies how many results per page. Used in pagination. (Optional; default is 25). 1156 * @param string $sort MySQL column sort; ASC or DESC. (Optional; default is DESC). 1157 * @param bool $display_comments Retrieve an activity item's associated comments or not. (Optional; default is false). 1158 * @return array 1159 */ 1160 public static function get_specific( $activity_ids, $max = false, $page = 1, $per_page = 25, $sort = 'DESC', $display_comments = false ) { 1161 _deprecated_function( 1162 __FUNCTION__, 1163 '1.5', 1164 'Use BP_Activity_Activity::get() with the "in" parameter instead.' 1165 ); 1166 1167 return BP_Activity_Activity::get( $max, $page, $per_page, $sort, false, false, $display_comments, false, false, $activity_ids ); 1168 } 1169 1170 /** 1171 * Get the first activity ID that matches a set of criteria. 1172 * 1173 * @since 1.2.0 1174 * 1175 * @todo Should parameters be optional? 1176 * 1177 * @param int $user_id User ID to filter by. 1178 * @param string $component Component to filter by. 1179 * @param string $type Activity type to filter by. 1180 * @param int $item_id Associated item to filter by. 1181 * @param int $secondary_item_id Secondary associated item to filter by. 1182 * @param string $action Action to filter by. 1183 * @param string $content Content to filter by. 1184 * @param string $date_recorded Date to filter by. 1185 * @return int|false Activity ID on success, false if none is found. 1186 */ 1187 public static function get_id( $user_id, $component, $type, $item_id, $secondary_item_id, $action, $content, $date_recorded ) { 1188 global $wpdb; 1189 1190 $bp = buddypress(); 1191 1192 $where_args = false; 1193 1194 if ( ! empty( $user_id ) ) { 1195 $where_args[] = $wpdb->prepare( "user_id = %d", $user_id ); 1196 } 1197 1198 if ( ! empty( $component ) ) { 1199 $where_args[] = $wpdb->prepare( "component = %s", $component ); 1200 } 1201 1202 if ( ! empty( $type ) ) { 1203 $where_args[] = $wpdb->prepare( "type = %s", $type ); 1204 } 1205 1206 if ( ! empty( $item_id ) ) { 1207 $where_args[] = $wpdb->prepare( "item_id = %d", $item_id ); 1208 } 1209 1210 if ( ! empty( $secondary_item_id ) ) { 1211 $where_args[] = $wpdb->prepare( "secondary_item_id = %d", $secondary_item_id ); 1212 } 1213 1214 if ( ! empty( $action ) ) { 1215 $where_args[] = $wpdb->prepare( "action = %s", $action ); 1216 } 1217 1218 if ( ! empty( $content ) ) { 1219 $where_args[] = $wpdb->prepare( "content = %s", $content ); 1220 } 1221 1222 if ( ! empty( $date_recorded ) ) { 1223 $where_args[] = $wpdb->prepare( "date_recorded = %s", $date_recorded ); 1224 } 1225 1226 if ( ! empty( $where_args ) ) { 1227 $where_sql = 'WHERE ' . join( ' AND ', $where_args ); 1228 $result = $wpdb->get_var( "SELECT id FROM {$bp->activity->table_name} {$where_sql}" ); 1229 1230 return is_numeric( $result ) ? (int) $result : false; 1231 } 1232 1233 return false; 1234 } 1235 1236 /** 1237 * Delete activity items from the database. 1238 * 1239 * To delete a specific activity item, pass an 'id' parameter. 1240 * Otherwise use the filters. 1241 * 1242 * @since 1.2.0 1243 * 1244 * @param array $args { 1245 * @int $id Optional. The ID of a specific item to delete. 1246 * @string $action Optional. The action to filter by. 1247 * @string $content Optional. The content to filter by. 1248 * @string $component Optional. The component name to filter by. 1249 * @string $type Optional. The activity type to filter by. 1250 * @string $primary_link Optional. The primary URL to filter by. 1251 * @int $user_id Optional. The user ID to filter by. 1252 * @int $item_id Optional. The associated item ID to filter by. 1253 * @int $secondary_item_id Optional. The secondary associated item ID to filter by. 1254 * @string $date_recorded Optional. The date to filter by. 1255 * @int $hide_sitewide Optional. Default: false. 1256 * } 1257 * @return array|bool An array of deleted activity IDs on success, false on failure. 1258 */ 1259 public static function delete( $args = array() ) { 1260 global $wpdb; 1261 1262 $bp = buddypress(); 1263 $r = bp_parse_args( 1264 $args, 1265 array( 1266 'id' => false, 1267 'action' => false, 1268 'content' => false, 1269 'component' => false, 1270 'type' => false, 1271 'primary_link' => false, 1272 'user_id' => false, 1273 'item_id' => false, 1274 'secondary_item_id' => false, 1275 'date_recorded' => false, 1276 'hide_sitewide' => false, 1277 ) 1278 ); 1279 1280 // Setup empty array from where query arguments. 1281 $where_args = array(); 1282 1283 // ID. 1284 if ( ! empty( $r['id'] ) ) { 1285 $where_args[] = $wpdb->prepare( "id = %d", $r['id'] ); 1286 } 1287 1288 // User ID. 1289 if ( ! empty( $r['user_id'] ) ) { 1290 $where_args[] = $wpdb->prepare( "user_id = %d", $r['user_id'] ); 1291 } 1292 1293 // Action. 1294 if ( ! empty( $r['action'] ) ) { 1295 $where_args[] = $wpdb->prepare( "action = %s", $r['action'] ); 1296 } 1297 1298 // Content. 1299 if ( ! empty( $r['content'] ) ) { 1300 $where_args[] = $wpdb->prepare( "content = %s", $r['content'] ); 1301 } 1302 1303 // Component. 1304 if ( ! empty( $r['component'] ) ) { 1305 $where_args[] = $wpdb->prepare( "component = %s", $r['component'] ); 1306 } 1307 1308 // Type. 1309 if ( ! empty( $r['type'] ) ) { 1310 $where_args[] = $wpdb->prepare( "type = %s", $r['type'] ); 1311 } 1312 1313 // Primary Link. 1314 if ( ! empty( $r['primary_link'] ) ) { 1315 $where_args[] = $wpdb->prepare( "primary_link = %s", $r['primary_link'] ); 1316 } 1317 1318 // Item ID. 1319 if ( ! empty( $r['item_id'] ) ) { 1320 $where_args[] = $wpdb->prepare( "item_id = %d", $r['item_id'] ); 1321 } 1322 1323 // Secondary item ID. 1324 if ( ! empty( $r['secondary_item_id'] ) ) { 1325 $where_args[] = $wpdb->prepare( "secondary_item_id = %d", $r['secondary_item_id'] ); 1326 } 1327 1328 // Date Recorded. 1329 if ( ! empty( $r['date_recorded'] ) ) { 1330 $where_args[] = $wpdb->prepare( "date_recorded = %s", $r['date_recorded'] ); 1331 } 1332 1333 // Hidden sitewide. 1334 if ( ! empty( $r['hide_sitewide'] ) ) { 1335 $where_args[] = $wpdb->prepare( "hide_sitewide = %d", $r['hide_sitewide'] ); 1336 } 1337 1338 // Bail if no where arguments. 1339 if ( empty( $where_args ) ) { 1340 return false; 1341 } 1342 1343 // Join the where arguments for querying. 1344 $where_sql = 'WHERE ' . join( ' AND ', $where_args ); 1345 1346 // Fetch all activities being deleted so we can perform more actions. 1347 $activities = $wpdb->get_results( "SELECT * FROM {$bp->activity->table_name} {$where_sql}" ); 1348 1349 /** 1350 * Action to allow intercepting activity items to be deleted. 1351 * 1352 * @since 2.3.0 1353 * 1354 * @param array $activities Array of activities. 1355 * @param array $r Array of parsed arguments. 1356 */ 1357 do_action_ref_array( 'bp_activity_before_delete', array( $activities, $r ) ); 1358 1359 // Attempt to delete activities from the database. 1360 $deleted = $wpdb->query( "DELETE FROM {$bp->activity->table_name} {$where_sql}" ); 1361 1362 // Bail if nothing was deleted. 1363 if ( empty( $deleted ) ) { 1364 return false; 1365 } 1366 1367 /** 1368 * Action to allow intercepting activity items just deleted. 1369 * 1370 * @since 2.3.0 1371 * 1372 * @param array $activities Array of activities. 1373 * @param array $r Array of parsed arguments. 1374 */ 1375 do_action_ref_array( 'bp_activity_after_delete', array( $activities, $r ) ); 1376 1377 // Pluck the activity IDs out of the $activities array. 1378 $activity_ids = wp_parse_id_list( wp_list_pluck( $activities, 'id' ) ); 1379 1380 // Handle accompanying activity comments and meta deletion. 1381 if ( ! empty( $activity_ids ) ) { 1382 1383 // Delete all activity meta entries for activity items. 1384 BP_Activity_Activity::delete_activity_meta_entries( $activity_ids ); 1385 1386 // Setup empty array for comments. 1387 $comment_ids = array(); 1388 1389 // Loop through activity ids and attempt to delete comments. 1390 foreach ( $activity_ids as $activity_id ) { 1391 1392 // Attempt to delete comments. 1393 $comments = BP_Activity_Activity::delete( array( 1394 'type' => 'activity_comment', 1395 'item_id' => $activity_id 1396 ) ); 1397 1398 // Merge IDs together. 1399 if ( ! empty( $comments ) ) { 1400 $comment_ids = array_merge( $comment_ids, $comments ); 1401 } 1402 } 1403 1404 // Merge activity IDs with any deleted comment IDs. 1405 if ( ! empty( $comment_ids ) ) { 1406 $activity_ids = array_unique( array_merge( $activity_ids, $comment_ids ) ); 1407 } 1408 } 1409 1410 return $activity_ids; 1411 } 1412 1413 /** 1414 * Delete the comments associated with a set of activity items. 1415 * 1416 * This method is no longer used by BuddyPress, and it is recommended not to 1417 * use it going forward, and use BP_Activity_Activity::delete() instead. 1418 * 1419 * @since 1.2.0 1420 * 1421 * @deprecated 2.3.0 1422 * 1423 * @param array $activity_ids Activity IDs whose comments should be deleted. 1424 * @param bool $delete_meta Should we delete the activity meta items for these comments. 1425 * @return bool True on success. 1426 */ 1427 public static function delete_activity_item_comments( $activity_ids = array(), $delete_meta = true ) { 1428 global $wpdb; 1429 1430 $bp = buddypress(); 1431 1432 $delete_meta = (bool) $delete_meta; 1433 $activity_ids = implode( ',', wp_parse_id_list( $activity_ids ) ); 1434 1435 if ( $delete_meta ) { 1436 // Fetch the activity comment IDs for our deleted activity items. 1437 $activity_comment_ids = $wpdb->get_col( "SELECT id FROM {$bp->activity->table_name} WHERE type = 'activity_comment' AND item_id IN ({$activity_ids})" ); 1438 1439 if ( ! empty( $activity_comment_ids ) ) { 1440 self::delete_activity_meta_entries( $activity_comment_ids ); 1441 } 1442 } 1443 1444 return $wpdb->query( "DELETE FROM {$bp->activity->table_name} WHERE type = 'activity_comment' AND item_id IN ({$activity_ids})" ); 1445 } 1446 1447 /** 1448 * Delete the meta entries associated with a set of activity items. 1449 * 1450 * @since 1.2.0 1451 * 1452 * @param array $activity_ids Activity IDs whose meta should be deleted. 1453 * @return bool True on success. 1454 */ 1455 public static function delete_activity_meta_entries( $activity_ids = array() ) { 1456 $activity_ids = wp_parse_id_list( $activity_ids ); 1457 1458 foreach ( $activity_ids as $activity_id ) { 1459 bp_activity_delete_meta( $activity_id ); 1460 } 1461 1462 return true; 1463 } 1464 1465 /** 1466 * Append activity comments to their associated activity items. 1467 * 1468 * @since 1.2.0 1469 * 1470 * @global wpdb $wpdb WordPress database object. 1471 * 1472 * @param array $activities Activities to fetch comments for. 1473 * @param string $spam Optional. 'ham_only' (default), 'spam_only' or 'all'. 1474 * @return array The updated activities with nested comments. 1475 */ 1476 public static function append_comments( $activities, $spam = 'ham_only' ) { 1477 $activity_comments = array(); 1478 1479 // Now fetch the activity comments and parse them into the correct position in the activities array. 1480 foreach ( (array) $activities as $activity ) { 1481 $top_level_parent_id = 'activity_comment' == $activity->type ? $activity->item_id : 0; 1482 $activity_comments[$activity->id] = BP_Activity_Activity::get_activity_comments( $activity->id, $activity->mptt_left, $activity->mptt_right, $spam, $top_level_parent_id ); 1483 } 1484 1485 // Merge the comments with the activity items. 1486 foreach ( (array) $activities as $key => $activity ) { 1487 if ( isset( $activity_comments[$activity->id] ) ) { 1488 $activities[$key]->children = $activity_comments[$activity->id]; 1489 } 1490 } 1491 1492 return $activities; 1493 } 1494 1495 /** 1496 * Get activity comments that are associated with a specific activity ID. 1497 * 1498 * @since 1.2.0 1499 * 1500 * @global wpdb $wpdb WordPress database object. 1501 * 1502 * @param int $activity_id Activity ID to fetch comments for. 1503 * @param int $left Left-most node boundary. 1504 * @param int $right Right-most node boundary. 1505 * @param string $spam Optional. 'ham_only' (default), 'spam_only' or 'all'. 1506 * @param int $top_level_parent_id Optional. The id of the root-level parent activity item. 1507 * @return array The updated activities with nested comments. 1508 */ 1509 public static function get_activity_comments( $activity_id, $left, $right, $spam = 'ham_only', $top_level_parent_id = 0 ) { 1510 global $wpdb; 1511 1512 $function_args = func_get_args(); 1513 1514 if ( empty( $top_level_parent_id ) ) { 1515 $top_level_parent_id = $activity_id; 1516 } 1517 1518 $comments = wp_cache_get( $activity_id, 'bp_activity_comments' ); 1519 1520 // We store the string 'none' to cache the fact that the 1521 // activity item has no comments. 1522 if ( 'none' === $comments ) { 1523 $comments = false; 1524 1525 // A true cache miss. 1526 } elseif ( empty( $comments ) ) { 1527 1528 $bp = buddypress(); 1529 1530 // Select the user's fullname with the query. 1531 if ( bp_is_active( 'xprofile' ) ) { 1532 $fullname_select = ", pd.value as user_fullname"; 1533 $fullname_from = ", {$bp->profile->table_name_data} pd "; 1534 $fullname_where = "AND pd.user_id = a.user_id AND pd.field_id = 1"; 1535 1536 // Prevent debug errors. 1537 } else { 1538 $fullname_select = $fullname_from = $fullname_where = ''; 1539 } 1540 1541 // Don't retrieve activity comments marked as spam. 1542 if ( 'ham_only' == $spam ) { 1543 $spam_sql = 'AND a.is_spam = 0'; 1544 } elseif ( 'spam_only' == $spam ) { 1545 $spam_sql = 'AND a.is_spam = 1'; 1546 } else { 1547 $spam_sql = ''; 1548 } 1549 1550 // Legacy query - not recommended. 1551 1552 /** 1553 * Filters if BuddyPress should use the legacy activity query. 1554 * 1555 * @since 2.0.0 1556 * 1557 * @param bool $value Whether or not to use the legacy query. 1558 * @param BP_Activity_Activity $value Magic method referring to currently called method. 1559 * @param array $func_args Array of the method's argument list. 1560 */ 1561 if ( apply_filters( 'bp_use_legacy_activity_query', false, __METHOD__, $function_args ) ) { 1562 1563 /** 1564 * Filters the MySQL prepared statement for the legacy activity query. 1565 * 1566 * @since 1.5.0 1567 * 1568 * @param string $value Prepared statement for the activity query. 1569 * @param int $activity_id Activity ID to fetch comments for. 1570 * @param int $left Left-most node boundary. 1571 * @param int $right Right-most node boundary. 1572 * @param string $spam_sql SQL Statement portion to differentiate between ham or spam. 1573 */ 1574 $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 ); 1575 1576 $descendants = $wpdb->get_results( $sql ); 1577 1578 // We use the mptt BETWEEN clause to limit returned 1579 // descendants to the correct part of the tree. 1580 } else { 1581 $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 ); 1582 1583 $descendant_ids = $wpdb->get_col( $sql ); 1584 $descendants = self::get_activity_data( $descendant_ids ); 1585 $descendants = self::append_user_fullnames( $descendants ); 1586 $descendants = self::generate_action_strings( $descendants ); 1587 } 1588 1589 $ref = array(); 1590 1591 // Loop descendants and build an assoc array. 1592 foreach ( (array) $descendants as $d ) { 1593 $d->children = array(); 1594 1595 // If we have a reference on the parent. 1596 if ( isset( $ref[ $d->secondary_item_id ] ) ) { 1597 $ref[ $d->secondary_item_id ]->children[ $d->id ] = $d; 1598 $ref[ $d->id ] =& $ref[ $d->secondary_item_id ]->children[ $d->id ]; 1599 1600 // If we don't have a reference on the parent, put in the root level. 1601 } else { 1602 $comments[ $d->id ] = $d; 1603 $ref[ $d->id ] =& $comments[ $d->id ]; 1604 } 1605 } 1606 1607 // Calculate depth for each item. 1608 foreach ( $ref as &$r ) { 1609 $depth = 1; 1610 $parent_id = $r->secondary_item_id; 1611 1612 while ( $parent_id !== $r->item_id ) { 1613 $depth++; 1614 1615 // When display_comments=stream, the parent comment may not be part of the 1616 // returned results, so we manually fetch it. 1617 if ( empty( $ref[ $parent_id ] ) ) { 1618 $direct_parent = new BP_Activity_Activity( $parent_id ); 1619 if ( isset( $direct_parent->secondary_item_id ) ) { 1620 // If the direct parent is not an activity update, that means we've reached 1621 // the parent activity item (eg. new_blog_post). 1622 if ( 'activity_update' !== $direct_parent->type ) { 1623 $parent_id = $r->item_id; 1624 1625 } else { 1626 $parent_id = $direct_parent->secondary_item_id; 1627 } 1628 1629 } else { 1630 // Something went wrong. Short-circuit the depth calculation. 1631 $parent_id = $r->item_id; 1632 } 1633 } else { 1634 $parent_id = $ref[ $parent_id ]->secondary_item_id; 1635 } 1636 } 1637 $r->depth = $depth; 1638 } 1639 1640 // If we cache a value of false, it'll count as a cache 1641 // miss the next time the activity comments are fetched. 1642 // Storing the string 'none' is a hack workaround to 1643 // avoid unnecessary queries. 1644 if ( false === $comments ) { 1645 $cache_value = 'none'; 1646 } else { 1647 $cache_value = $comments; 1648 } 1649 1650 wp_cache_set( $activity_id, $cache_value, 'bp_activity_comments' ); 1651 } 1652 1653 return $comments; 1654 } 1655 1656 /** 1657 * Rebuild nested comment tree under 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 * @param int $left Node boundary start for activity or activity comment. 1665 * @return int Right Node boundary of activity or activity comment. 1666 */ 1667 public static function rebuild_activity_comment_tree( $parent_id, $left = 1 ) { 1668 global $wpdb; 1669 1670 $bp = buddypress(); 1671 1672 // The right value of this node is the left value + 1. 1673 $right = intval( $left + 1 ); 1674 1675 // Get all descendants of this node. 1676 $comments = BP_Activity_Activity::get_child_comments( $parent_id ); 1677 $descendants = wp_list_pluck( $comments, 'id' ); 1678 1679 // Loop the descendants and recalculate the left and right values. 1680 foreach ( (array) $descendants as $descendant_id ) { 1681 $right = BP_Activity_Activity::rebuild_activity_comment_tree( $descendant_id, $right ); 1682 } 1683 1684 // We've got the left value, and now that we've processed the children 1685 // of this node we also know the right value. 1686 if ( 1 === $left ) { 1687 $wpdb->query( $wpdb->prepare( "UPDATE {$bp->activity->table_name} SET mptt_left = %d, mptt_right = %d WHERE id = %d", $left, $right, $parent_id ) ); 1688 } else { 1689 $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 ) ); 1690 } 1691 1692 // Return the right value of this node + 1. 1693 return intval( $right + 1 ); 1694 } 1695 1696 /** 1697 * Get child comments of an activity or activity comment. 1698 * 1699 * @since 1.2.0 1700 * 1701 * @global wpdb $wpdb WordPress database object. 1702 * 1703 * @param int $parent_id ID of an activity or activity comment. 1704 * @return object Numerically indexed array of child comments. 1705 */ 1706 public static function get_child_comments( $parent_id ) { 1707 global $wpdb; 1708 1709 $bp = buddypress(); 1710 1711 return $wpdb->get_results( $wpdb->prepare( "SELECT id FROM {$bp->activity->table_name} WHERE type = 'activity_comment' AND secondary_item_id = %d", $parent_id ) ); 1712 } 1713 1714 /** 1715 * Get a list of components that have recorded activity associated with them. 1716 * 1717 * @since 1.2.0 1718 * 1719 * @param bool $skip_last_activity If true, components will not be 1720 * included if the only activity type associated with them is 1721 * 'last_activity'. (Since 2.0.0, 'last_activity' is stored in 1722 * the activity table, but these items are not full-fledged 1723 * activity items.) Default: true. 1724 * @return array List of component names. 1725 */ 1726 public static function get_recorded_components( $skip_last_activity = true ) { 1727 global $wpdb; 1728 1729 $bp = buddypress(); 1730 1731 if ( true === $skip_last_activity ) { 1732 $components = $wpdb->get_col( "SELECT DISTINCT component FROM {$bp->activity->table_name} WHERE action != '' AND action != 'last_activity' ORDER BY component ASC" ); 1733 } else { 1734 $components = $wpdb->get_col( "SELECT DISTINCT component FROM {$bp->activity->table_name} ORDER BY component ASC" ); 1735 } 1736 1737 return $components; 1738 } 1739 1740 /** 1741 * Get sitewide activity items for use in an RSS feed. 1742 * 1743 * @since 1.0.0 1744 * 1745 * @param int $limit Optional. Number of items to fetch. Default: 35. 1746 * @return array $activity_feed List of activity items, with RSS data added. 1747 */ 1748 public static function get_sitewide_items_for_feed( $limit = 35 ) { 1749 $activities = bp_activity_get_sitewide( array( 'max' => $limit ) ); 1750 $activity_feed = array(); 1751 1752 for ( $i = 0, $count = count( $activities ); $i < $count; ++$i ) { 1753 $title = explode( '<span', $activities[$i]['content'] ); 1754 $activity_feed[$i]['title'] = trim( strip_tags( $title[0] ) ); 1755 $activity_feed[$i]['link'] = $activities[$i]['primary_link']; 1756 $activity_feed[$i]['description'] = @sprintf( $activities[$i]['content'], '' ); 1757 $activity_feed[$i]['pubdate'] = $activities[$i]['date_recorded']; 1758 } 1759 1760 return $activity_feed; 1761 } 1762 1763 /** 1764 * Create SQL IN clause for filter queries. 1765 * 1766 * @since 1.5.0 1767 * 1768 * @see BP_Activity_Activity::get_filter_sql() 1769 * 1770 * @param string $field The database field. 1771 * @param array|bool $items The values for the IN clause, or false when none are found. 1772 * @return string|false 1773 */ 1774 public static function get_in_operator_sql( $field, $items ) { 1775 global $wpdb; 1776 1777 // Split items at the comma. 1778 if ( ! is_array( $items ) ) { 1779 $items = explode( ',', $items ); 1780 } 1781 1782 // Array of prepared integers or quoted strings. 1783 $items_prepared = array(); 1784 1785 // Clean up and format each item. 1786 foreach ( $items as $item ) { 1787 // Clean up the string. 1788 $item = trim( $item ); 1789 // Pass everything through prepare for security and to safely quote strings. 1790 $items_prepared[] = ( is_numeric( $item ) ) ? $wpdb->prepare( '%d', $item ) : $wpdb->prepare( '%s', $item ); 1791 } 1792 1793 // Build IN operator sql syntax. 1794 if ( count( $items_prepared ) ) 1795 return sprintf( '%s IN ( %s )', trim( $field ), implode( ',', $items_prepared ) ); 1796 else 1797 return false; 1798 } 1799 1800 /** 1801 * Create filter SQL clauses. 1802 * 1803 * @since 1.5.0 1804 * 1805 * @param array $filter_array { 1806 * Fields and values to filter by. 1807 * 1808 * @type array|string|int $user_id User ID(s). 1809 * @type array|string $object Corresponds to the 'component' 1810 * column in the database. 1811 * @type array|string $action Corresponds to the 'type' column 1812 * in the database. 1813 * @type array|string|int $primary_id Corresponds to the 'item_id' 1814 * column in the database. 1815 * @type array|string|int $secondary_id Corresponds to the 1816 * 'secondary_item_id' column in the database. 1817 * @type int $offset Return only those items with an ID greater 1818 * than the offset value. 1819 * @type string $since Return only those items that have a 1820 * date_recorded value greater than a 1821 * given MySQL-formatted date. 1822 * } 1823 * @return string The filter clause, for use in a SQL query. 1824 */ 1825 public static function get_filter_sql( $filter_array ) { 1826 1827 $filter_sql = array(); 1828 1829 if ( !empty( $filter_array['user_id'] ) ) { 1830 $user_sql = BP_Activity_Activity::get_in_operator_sql( 'a.user_id', $filter_array['user_id'] ); 1831 if ( !empty( $user_sql ) ) 1832 $filter_sql[] = $user_sql; 1833 } 1834 1835 if ( !empty( $filter_array['object'] ) ) { 1836 $object_sql = BP_Activity_Activity::get_in_operator_sql( 'a.component', $filter_array['object'] ); 1837 if ( !empty( $object_sql ) ) 1838 $filter_sql[] = $object_sql; 1839 } 1840 1841 if ( !empty( $filter_array['action'] ) ) { 1842 $action_sql = BP_Activity_Activity::get_in_operator_sql( 'a.type', $filter_array['action'] ); 1843 if ( ! empty( $action_sql ) ) 1844 $filter_sql[] = $action_sql; 1845 } 1846 1847 if ( !empty( $filter_array['primary_id'] ) ) { 1848 $pid_sql = BP_Activity_Activity::get_in_operator_sql( 'a.item_id', $filter_array['primary_id'] ); 1849 if ( !empty( $pid_sql ) ) 1850 $filter_sql[] = $pid_sql; 1851 } 1852 1853 if ( !empty( $filter_array['secondary_id'] ) ) { 1854 $sid_sql = BP_Activity_Activity::get_in_operator_sql( 'a.secondary_item_id', $filter_array['secondary_id'] ); 1855 if ( !empty( $sid_sql ) ) 1856 $filter_sql[] = $sid_sql; 1857 } 1858 1859 if ( ! empty( $filter_array['offset'] ) ) { 1860 $sid_sql = absint( $filter_array['offset'] ); 1861 $filter_sql[] = "a.id >= {$sid_sql}"; 1862 } 1863 1864 if ( ! empty( $filter_array['since'] ) ) { 1865 // Validate that this is a proper Y-m-d H:i:s date. 1866 // Trick: parse to UNIX date then translate back. 1867 $translated_date = date( 'Y-m-d H:i:s', strtotime( $filter_array['since'] ) ); 1868 if ( $translated_date === $filter_array['since'] ) { 1869 $filter_sql[] = "a.date_recorded > '{$translated_date}'"; 1870 } 1871 } 1872 1873 if ( empty( $filter_sql ) ) 1874 return false; 1875 1876 return join( ' AND ', $filter_sql ); 1877 } 1878 1879 /** 1880 * Get the date/time of last recorded activity. 1881 * 1882 * @since 1.2.0 1883 * 1884 * @return string ISO timestamp. 1885 */ 1886 public static function get_last_updated() { 1887 global $wpdb; 1888 1889 $bp = buddypress(); 1890 1891 return $wpdb->get_var( "SELECT date_recorded FROM {$bp->activity->table_name} ORDER BY date_recorded DESC LIMIT 1" ); 1892 } 1893 1894 /** 1895 * Get favorite count for a given user. 1896 * 1897 * @since 1.2.0 1898 * 1899 * @param int $user_id The ID of the user whose favorites you're counting. 1900 * @return int $value A count of the user's favorites. 1901 */ 1902 public static function total_favorite_count( $user_id ) { 1903 1904 // Get activities from user meta. 1905 $favorite_activity_entries = bp_get_user_meta( $user_id, 'bp_favorite_activities', true ); 1906 if ( ! empty( $favorite_activity_entries ) ) { 1907 return count( $favorite_activity_entries ); 1908 } 1909 1910 // No favorites. 1911 return 0; 1912 } 1913 1914 /** 1915 * Check whether an activity item exists with a given string content. 1916 * 1917 * @since 1.1.0 1918 * 1919 * @param string $content The content to filter by. 1920 * @return int|false The ID of the first matching item if found, otherwise false. 1921 */ 1922 public static function check_exists_by_content( $content ) { 1923 global $wpdb; 1924 1925 $bp = buddypress(); 1926 1927 $result = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM {$bp->activity->table_name} WHERE content = %s", $content ) ); 1928 1929 return is_numeric( $result ) ? (int) $result : false; 1930 } 1931 1932 /** 1933 * Hide all activity for a given user. 1934 * 1935 * @since 1.2.0 1936 * 1937 * @param int $user_id The ID of the user whose activity you want to mark hidden. 1938 * @return mixed 1939 */ 1940 public static function hide_all_for_user( $user_id ) { 1941 global $wpdb; 1942 1943 $bp = buddypress(); 1944 1945 return $wpdb->get_var( $wpdb->prepare( "UPDATE {$bp->activity->table_name} SET hide_sitewide = 1 WHERE user_id = %d", $user_id ) ); 1946 } 1947 }
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