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PHP Cross Reference of BuddyPress |
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1 <?php 2 /** 3 * BuddyPress Friends Functions. 4 * 5 * Functions are where all the magic happens in BuddyPress. They will 6 * handle the actual saving or manipulation of information. Usually they will 7 * hand off to a database class for data access, then return 8 * true or false on success or failure. 9 * 10 * @package BuddyPress 11 * @subpackage FriendsFunctions 12 * @since 1.5.0 13 */ 14 15 // Exit if accessed directly. 16 defined( 'ABSPATH' ) || exit; 17 18 /** 19 * Create a new friendship. 20 * 21 * @since 1.0.0 22 * 23 * @param int $initiator_userid ID of the "initiator" user (the user who is 24 * sending the friendship request). 25 * @param int $friend_userid ID of the "friend" user (the user whose friendship 26 * is being requested). 27 * @param bool $force_accept Optional. Whether to force acceptance. When false, 28 * running friends_add_friend() will result in a friendship request. 29 * When true, running friends_add_friend() will result in an accepted 30 * friendship, with no notifications being sent. Default: false. 31 * @return bool True on success, false on failure. 32 */ 33 function friends_add_friend( $initiator_userid, $friend_userid, $force_accept = false ) { 34 35 // You cannot be friends with yourself! 36 if ( $initiator_userid === $friend_userid ) { 37 return false; 38 } 39 40 // Check if already friends, and bail if so. 41 if ( friends_check_friendship( $initiator_userid, $friend_userid ) ) { 42 return true; 43 } 44 45 // Setup the friendship data. 46 $friendship = new BP_Friends_Friendship; 47 $friendship->initiator_user_id = (int) $initiator_userid; 48 $friendship->friend_user_id = (int) $friend_userid; 49 $friendship->is_confirmed = 0; 50 $friendship->is_limited = 0; 51 $friendship->date_created = bp_core_current_time(); 52 53 if ( ! empty( $force_accept ) ) { 54 $friendship->is_confirmed = 1; 55 } 56 57 // Bail if friendship could not be saved (how sad!). 58 if ( ! $friendship->save() ) { 59 return false; 60 } 61 62 // Send notifications. 63 if ( empty( $force_accept ) ) { 64 $action = 'requested'; 65 66 // Update friend totals. 67 } else { 68 $action = 'accepted'; 69 friends_update_friend_totals( $friendship->initiator_user_id, $friendship->friend_user_id, 'add' ); 70 } 71 72 /** 73 * Fires at the end of initiating a new friendship connection. 74 * 75 * This is a variable hook, depending on context. 76 * The two potential hooks are: friends_friendship_requested, friends_friendship_accepted. 77 * 78 * @since 1.0.0 79 * 80 * @param int $id ID of the pending friendship connection. 81 * @param int $initiator_user_id ID of the friendship initiator. 82 * @param int $friend_user_id ID of the friend user. 83 * @param BP_Friends_Friendship $friendship The friendship object. 84 */ 85 do_action( 'friends_friendship_' . $action, $friendship->id, $friendship->initiator_user_id, $friendship->friend_user_id, $friendship ); 86 87 return true; 88 } 89 90 /** 91 * Remove a friendship. 92 * 93 * Will also delete the related "friendship_accepted" activity item. 94 * 95 * @since 1.0.0 96 * 97 * @param int $initiator_userid ID of the friendship initiator. 98 * @param int $friend_userid ID of the friend user. 99 * @return bool True on success, false on failure. 100 */ 101 function friends_remove_friend( $initiator_userid, $friend_userid ) { 102 103 $friendship_id = BP_Friends_Friendship::get_friendship_id( $initiator_userid, $friend_userid ); 104 $friendship = new BP_Friends_Friendship( $friendship_id ); 105 106 /** 107 * Fires before the deletion of a friendship activity item 108 * for the user who canceled the friendship. 109 * 110 * @since 1.5.0 111 * 112 * @param int $friendship_id ID of the friendship object, if any, between a pair of users. 113 * @param int $initiator_userid ID of the friendship initiator. 114 * @param int $friend_userid ID of the friend user. 115 */ 116 do_action( 'friends_before_friendship_delete', $friendship_id, $initiator_userid, $friend_userid ); 117 118 /** 119 * Fires before the friendship connection is removed. 120 * 121 * This hook is misleadingly named - the friendship is not yet deleted. 122 * This is your last chance to do something while the friendship exists. 123 * 124 * @since 1.0.0 125 * 126 * @param int $friendship_id ID of the friendship object, if any, between a pair of users. 127 * @param int $initiator_userid ID of the friendship initiator. 128 * @param int $friend_userid ID of the friend user. 129 */ 130 do_action( 'friends_friendship_deleted', $friendship_id, $initiator_userid, $friend_userid ); 131 132 if ( $friendship->delete() ) { 133 friends_update_friend_totals( $initiator_userid, $friend_userid, 'remove' ); 134 135 /** 136 * Fires after the friendship connection is removed. 137 * 138 * @since 1.8.0 139 * 140 * @param int $initiator_userid ID of the friendship initiator. 141 * @param int $friend_userid ID of the friend user. 142 */ 143 do_action( 'friends_friendship_post_delete', $initiator_userid, $friend_userid ); 144 145 return true; 146 } 147 148 return false; 149 } 150 151 /** 152 * Mark a friendship request as accepted. 153 * 154 * Also initiates a "friendship_accepted" activity item. 155 * 156 * @since 1.0.0 157 * 158 * @param int $friendship_id ID of the pending friendship object. 159 * @return bool True on success, false on failure. 160 */ 161 function friends_accept_friendship( $friendship_id ) { 162 163 // Get the friendship data. 164 $friendship = new BP_Friends_Friendship( $friendship_id, false, false ); 165 166 // Accepting friendship. 167 if ( empty( $friendship->is_confirmed ) && BP_Friends_Friendship::accept( $friendship_id ) ) { 168 169 // Bump the friendship counts. 170 friends_update_friend_totals( $friendship->initiator_user_id, $friendship->friend_user_id ); 171 172 /** 173 * Fires after a friendship is accepted. 174 * 175 * @since 1.0.0 176 * 177 * @param int $id ID of the pending friendship object. 178 * @param int $initiator_user_id ID of the friendship initiator. 179 * @param int $friend_user_id ID of the user requested friendship with. 180 * @param BP_Friends_Friendship $friendship The friendship object. 181 */ 182 do_action( 'friends_friendship_accepted', $friendship->id, $friendship->initiator_user_id, $friendship->friend_user_id, $friendship ); 183 184 return true; 185 } 186 187 return false; 188 } 189 190 /** 191 * Mark a friendship request as rejected. 192 * 193 * @since 1.0.0 194 * 195 * @param int $friendship_id ID of the pending friendship object. 196 * @return bool True on success, false on failure. 197 */ 198 function friends_reject_friendship( $friendship_id ) { 199 $friendship = new BP_Friends_Friendship( $friendship_id, false, false ); 200 201 if ( empty( $friendship->is_confirmed ) && BP_Friends_Friendship::reject( $friendship_id ) ) { 202 203 /** 204 * Fires after a friendship request is rejected. 205 * 206 * @since 1.0.0 207 * 208 * @param int $friendship_id ID of the friendship. 209 * @param BP_Friends_Friendship $friendship The friendship object. Passed by reference. 210 */ 211 do_action_ref_array( 'friends_friendship_rejected', array( $friendship_id, &$friendship ) ); 212 213 return true; 214 } 215 216 return false; 217 } 218 219 /** 220 * Withdraw a friendship request. 221 * 222 * @since 1.6.0 223 * 224 * @param int $initiator_userid ID of the friendship initiator - this is the 225 * user who requested the friendship, and is doing the withdrawing. 226 * @param int $friend_userid ID of the requested friend. 227 * @return bool True on success, false on failure. 228 */ 229 function friends_withdraw_friendship( $initiator_userid, $friend_userid ) { 230 $friendship_id = BP_Friends_Friendship::get_friendship_id( $initiator_userid, $friend_userid ); 231 $friendship = new BP_Friends_Friendship( $friendship_id, false, false ); 232 233 if ( empty( $friendship->is_confirmed ) && BP_Friends_Friendship::withdraw( $friendship_id ) ) { 234 235 // @deprecated Since 1.9 236 do_action_ref_array( 'friends_friendship_whithdrawn', array( $friendship_id, &$friendship ) ); 237 238 /** 239 * Fires after a friendship request has been withdrawn. 240 * 241 * @since 1.9.0 242 * 243 * @param int $friendship_id ID of the friendship. 244 * @param BP_Friends_Friendship $friendship The friendship object. Passed by reference. 245 */ 246 do_action_ref_array( 'friends_friendship_withdrawn', array( $friendship_id, &$friendship ) ); 247 248 return true; 249 } 250 251 return false; 252 } 253 254 /** 255 * Check whether two users are friends. 256 * 257 * @since 1.0.0 258 * 259 * @param int $user_id ID of the first user. 260 * @param int $possible_friend_id ID of the other user. 261 * @return bool Returns true if the two users are friends, otherwise false. 262 */ 263 function friends_check_friendship( $user_id, $possible_friend_id ) { 264 return ( 'is_friend' === BP_Friends_Friendship::check_is_friend( $user_id, $possible_friend_id ) ); 265 } 266 267 /** 268 * Get the friendship status of two friends. 269 * 270 * Will return 'is_friends', 'not_friends', 'pending' or 'awaiting_response'. 271 * 272 * @since 1.2.0 273 * 274 * @global BP_Core_Members_Template $members_template 275 * 276 * @param int $user_id ID of the first user. 277 * @param int $possible_friend_id ID of the other user. 278 * @return string Friend status of the two users. 279 */ 280 function friends_check_friendship_status( $user_id, $possible_friend_id ) { 281 global $members_template; 282 283 // Check the BP_User_Query first 284 // @see bp_friends_filter_user_query_populate_extras(). 285 if ( ! empty( $members_template->in_the_loop ) ) { 286 if ( isset( $members_template->member->friendship_status ) ) { 287 return $members_template->member->friendship_status; 288 } 289 } 290 291 return BP_Friends_Friendship::check_is_friend( $user_id, $possible_friend_id ); 292 } 293 294 /** 295 * Get the friend count of a given user. 296 * 297 * @since 1.2.0 298 * 299 * @param int $user_id ID of the user whose friends are being counted. 300 * @return int Friend count of the user. 301 */ 302 function friends_get_total_friend_count( $user_id = 0 ) { 303 if ( empty( $user_id ) ) { 304 $user_id = ( bp_displayed_user_id() ) ? bp_displayed_user_id() : bp_loggedin_user_id(); 305 } 306 307 $count = bp_get_user_meta( $user_id, 'total_friend_count', true ); 308 if ( empty( $count ) ) { 309 $count = 0; 310 } 311 312 /** 313 * Filters the total friend count for a given user. 314 * 315 * @since 1.2.0 316 * 317 * @param int $count Total friend count for a given user. 318 */ 319 return apply_filters( 'friends_get_total_friend_count', (int) $count ); 320 } 321 322 /** 323 * Check whether a given user has any friends. 324 * 325 * @since 1.0.0 326 * 327 * @param int $user_id ID of the user whose friends are being checked. 328 * @return bool True if the user has friends, otherwise false. 329 */ 330 function friends_check_user_has_friends( $user_id ) { 331 $friend_count = friends_get_total_friend_count( $user_id ); 332 333 if ( empty( $friend_count ) ) { 334 return false; 335 } 336 337 if ( ! (int) $friend_count ) { 338 return false; 339 } 340 341 return true; 342 } 343 344 /** 345 * Get the ID of two users' friendship, if it exists. 346 * 347 * @since 1.2.0 348 * 349 * @param int $initiator_user_id ID of the first user. 350 * @param int $friend_user_id ID of the second user. 351 * @return int|null ID of the friendship if found, otherwise null. 352 */ 353 function friends_get_friendship_id( $initiator_user_id, $friend_user_id ) { 354 return BP_Friends_Friendship::get_friendship_id( $initiator_user_id, $friend_user_id ); 355 } 356 357 /** 358 * Get the IDs of a given user's friends. 359 * 360 * @since 1.0.0 361 * 362 * @param int $user_id ID of the user whose friends are being retrieved. 363 * @param bool $friend_requests_only Optional. Whether to fetch unaccepted 364 * requests only. Default: false. 365 * @param bool $assoc_arr Optional. True to receive an array of arrays keyed as 366 * 'user_id' => $user_id; false to get a one-dimensional 367 * array of user IDs. Default: false. 368 * @return array 369 */ 370 function friends_get_friend_user_ids( $user_id, $friend_requests_only = false, $assoc_arr = false ) { 371 return BP_Friends_Friendship::get_friend_user_ids( $user_id, $friend_requests_only, $assoc_arr ); 372 } 373 374 /** 375 * Search the friends of a user by a search string. 376 * 377 * @since 1.0.0 378 * 379 * @param string $search_terms The search string, matched against xprofile fields (if 380 * available), or usermeta 'nickname' field. 381 * @param int $user_id ID of the user whose friends are being searched. 382 * @param int $pag_num Optional. Max number of friends to return. 383 * @param int $pag_page Optional. The page of results to return. Default: null (no 384 * pagination - return all results). 385 * @return array|bool On success, an array: { 386 * @type array $friends IDs of friends returned by the query. 387 * @type int $count Total number of friends (disregarding 388 * pagination) who match the search. 389 * }. Returns false on failure. 390 */ 391 function friends_search_friends( $search_terms, $user_id, $pag_num = 10, $pag_page = 1 ) { 392 return BP_Friends_Friendship::search_friends( $search_terms, $user_id, $pag_num, $pag_page ); 393 } 394 395 /** 396 * Get a list of IDs of users who have requested friendship of a given user. 397 * 398 * @since 1.2.0 399 * 400 * @param int $user_id The ID of the user who has received the friendship requests. 401 * @return array|bool An array of user IDs, or false if none are found. 402 */ 403 function friends_get_friendship_request_user_ids( $user_id ) { 404 return BP_Friends_Friendship::get_friendship_request_user_ids( $user_id ); 405 } 406 407 /** 408 * Get a user's most recently active friends. 409 * 410 * @since 1.0.0 411 * 412 * @see bp_core_get_users() for a description of return value. 413 * 414 * @param int $user_id ID of the user whose friends are being retrieved. 415 * @param int $per_page Optional. Number of results to return per page. 416 * Default: 0 (no pagination; show all results). 417 * @param int $page Optional. Number of the page of results to return. 418 * Default: 0 (no pagination; show all results). 419 * @param string $filter Optional. Limit results to those matching a search 420 * string. 421 * @return array See {@link BP_Core_User::get_users()}. 422 */ 423 function friends_get_recently_active( $user_id, $per_page = 0, $page = 0, $filter = '' ) { 424 $friends = bp_core_get_users( array( 425 'type' => 'active', 426 'per_page' => $per_page, 427 'page' => $page, 428 'user_id' => $user_id, 429 'search_terms' => $filter, 430 ) ); 431 432 /** 433 * Filters a user's most recently active friends. 434 * 435 * @since 1.2.0 436 * 437 * @param array $friends { 438 * @type int $total_users Total number of users matched by query params. 439 * @type array $paged_users The current page of users matched by query params. 440 * } 441 */ 442 return apply_filters( 'friends_get_recently_active', $friends ); 443 } 444 445 /** 446 * Get a user's friends, in alphabetical order. 447 * 448 * @since 1.0.0 449 * 450 * @see bp_core_get_users() for a description of return value. 451 * 452 * @param int $user_id ID of the user whose friends are being retrieved. 453 * @param int $per_page Optional. Number of results to return per page. 454 * Default: 0 (no pagination; show all results). 455 * @param int $page Optional. Number of the page of results to return. 456 * Default: 0 (no pagination; show all results). 457 * @param string $filter Optional. Limit results to those matching a search 458 * string. 459 * @return array See {@link BP_Core_User::get_users()}. 460 */ 461 function friends_get_alphabetically( $user_id, $per_page = 0, $page = 0, $filter = '' ) { 462 $friends = bp_core_get_users( array( 463 'type' => 'alphabetical', 464 'per_page' => $per_page, 465 'page' => $page, 466 'user_id' => $user_id, 467 'search_terms' => $filter, 468 ) ); 469 470 /** 471 * Filters a user's friends listed in alphabetical order. 472 * 473 * @since 1.2.0 474 * 475 * @return array $friends { 476 * @type int $total_users Total number of users matched by query params. 477 * @type array $paged_users The current page of users matched by query params. 478 * } 479 */ 480 return apply_filters( 'friends_get_alphabetically', $friends ); 481 } 482 483 /** 484 * Get a user's friends, in the order in which they joined the site. 485 * 486 * @since 1.0.0 487 * 488 * @see bp_core_get_users() for a description of return value. 489 * 490 * @param int $user_id ID of the user whose friends are being retrieved. 491 * @param int $per_page Optional. Number of results to return per page. 492 * Default: 0 (no pagination; show all results). 493 * @param int $page Optional. Number of the page of results to return. 494 * Default: 0 (no pagination; show all results). 495 * @param string $filter Optional. Limit results to those matching a search 496 * string. 497 * @return array See {@link BP_Core_User::get_users()}. 498 */ 499 function friends_get_newest( $user_id, $per_page = 0, $page = 0, $filter = '' ) { 500 $friends = bp_core_get_users( array( 501 'type' => 'newest', 502 'per_page' => $per_page, 503 'page' => $page, 504 'user_id' => $user_id, 505 'search_terms' => $filter, 506 ) ); 507 508 /** 509 * Filters a user's friends listed from newest to oldest. 510 * 511 * @since 1.2.0 512 * 513 * @param array $friends { 514 * @type int $total_users Total number of users matched by query params. 515 * @type array $paged_users The current page of users matched by query params. 516 * } 517 */ 518 return apply_filters( 'friends_get_newest', $friends ); 519 } 520 521 /** 522 * Get the last active date of many users at once. 523 * 524 * @since 1.0.0 525 * 526 * @see BP_Friends_Friendship::get_bulk_last_active() for a description of 527 * arguments and return value. 528 * 529 * @param array $friend_ids See BP_Friends_Friendship::get_bulk_last_active(). 530 * @return array See BP_Friends_Friendship::get_bulk_last_active(). 531 */ 532 function friends_get_bulk_last_active( $friend_ids ) { 533 return BP_Friends_Friendship::get_bulk_last_active( $friend_ids ); 534 } 535 536 /** 537 * Get a list of friends that a user can invite into this group. 538 * 539 * Excludes friends that are already in the group, and banned friends if the 540 * user is not a group admin. 541 * 542 * @since 1.0.0 543 * 544 * @param int $user_id User ID whose friends to see can be invited. Default: 545 * ID of the logged-in user. 546 * @param int $group_id Group to check possible invitations against. 547 * @return mixed False if no friends, array of users if friends. 548 */ 549 function friends_get_friends_invite_list( $user_id = 0, $group_id = 0 ) { 550 551 // Default to logged in user id. 552 if ( empty( $user_id ) ) { 553 $user_id = bp_loggedin_user_id(); 554 } 555 556 // Only group admins can invited previously banned users. 557 $user_is_admin = (bool) groups_is_user_admin( $user_id, $group_id ); 558 559 // Assume no friends. 560 $friends = array(); 561 562 /** 563 * Filters default arguments for list of friends a user can invite into this group. 564 * 565 * @since 1.5.4 566 * 567 * @param array $value { 568 * @type int $user_id User ID whose friends too see can be invited. 569 * @type string $type Type of order to return a list of members. 570 * @type int $per_page Number of friends per page. 571 * } 572 */ 573 $args = apply_filters( 574 'bp_friends_pre_get_invite_list', 575 array( 576 'user_id' => $user_id, 577 'type' => 'alphabetical', 578 'per_page' => 0, 579 ) 580 ); 581 582 // User has friends. 583 if ( bp_has_members( $args ) ) { 584 585 /** 586 * Loop through all friends and try to add them to the invitation list. 587 * 588 * Exclude friends that: 589 * 1. are already members of the group 590 * 2. are banned from this group if the current user is also not a 591 * group admin. 592 */ 593 while ( bp_members() ) : 594 595 // Load the member. 596 bp_the_member(); 597 598 // Get the user ID of the friend. 599 $friend_user_id = bp_get_member_user_id(); 600 601 // Skip friend if already in the group. 602 if ( groups_is_user_member( $friend_user_id, $group_id ) ) { 603 continue; 604 } 605 606 // Skip friend if not group admin and user banned from group. 607 if ( ( false === $user_is_admin ) && groups_is_user_banned( $friend_user_id, $group_id ) ) { 608 continue; 609 } 610 611 // Friend is safe, so add it to the array of possible friends. 612 $friends[] = array( 613 'id' => $friend_user_id, 614 'full_name' => bp_get_member_name(), 615 ); 616 617 endwhile; 618 } 619 620 // If no friends, explicitly set to false. 621 if ( empty( $friends ) ) { 622 $friends = false; 623 } 624 625 /** 626 * Filters the list of potential friends that can be invited to this group. 627 * 628 * @since 1.5.4 629 * 630 * @param array|bool $friends Array friends available to invite or false for no friends. 631 * @param int $user_id ID of the user checked for who they can invite. 632 * @param int $group_id ID of the group being checked on. 633 */ 634 return apply_filters( 'bp_friends_get_invite_list', $friends, $user_id, $group_id ); 635 } 636 637 /** 638 * Get a count of a user's friends who can be invited to a given group. 639 * 640 * Users can invite any of their friends except: 641 * 642 * - users who are already in the group 643 * - users who have a pending invite to the group 644 * - users who have been banned from the group 645 * 646 * @since 1.0.0 647 * 648 * @param int $user_id ID of the user whose friends are being counted. 649 * @param int $group_id ID of the group friends are being invited to. 650 * @return int Eligible friend count. 651 */ 652 function friends_count_invitable_friends( $user_id, $group_id ) { 653 return BP_Friends_Friendship::get_invitable_friend_count( $user_id, $group_id ); 654 } 655 656 /** 657 * Get a total friend count for a given user. 658 * 659 * @since 1.0.0 660 * 661 * @param int $user_id Optional. ID of the user whose friendships you are 662 * counting. Default: displayed user (if any), otherwise logged-in user. 663 * @return int Friend count for the user. 664 */ 665 function friends_get_friend_count_for_user( $user_id ) { 666 return BP_Friends_Friendship::total_friend_count( $user_id ); 667 } 668 669 /** 670 * Return a list of a user's friends, filtered by a search term. 671 * 672 * @since 1.0.0 673 * 674 * @param string $search_terms Search term to filter on. 675 * @param int $user_id ID of the user whose friends are being searched. 676 * @param int $pag_num Number of results to return per page. Default: 0 (no 677 * pagination - show all results). 678 * @param int $pag_page Number of the page being requested. Default: 0 (no 679 * pagination - show all results). 680 * @return array Array of BP_Core_User objects corresponding to friends. 681 */ 682 function friends_search_users( $search_terms, $user_id, $pag_num = 0, $pag_page = 0 ) { 683 $user_ids = BP_Friends_Friendship::search_users( $search_terms, $user_id, $pag_num, $pag_page ); 684 685 if ( empty( $user_ids ) ) { 686 return false; 687 } 688 689 $users = array(); 690 for ( $i = 0, $count = count( $user_ids ); $i < $count; ++$i ) { 691 $users[] = new BP_Core_User( $user_ids[ $i ] ); 692 } 693 694 return array( 695 'users' => $users, 696 'count' => BP_Friends_Friendship::search_users_count( $search_terms ), 697 ); 698 } 699 700 /** 701 * Has a friendship been confirmed (accepted)? 702 * 703 * @since 1.0.0 704 * 705 * @param int $friendship_id The ID of the friendship being checked. 706 * @return bool True if the friendship is confirmed, otherwise false. 707 */ 708 function friends_is_friendship_confirmed( $friendship_id ) { 709 $friendship = new BP_Friends_Friendship( $friendship_id ); 710 return (bool) $friendship->is_confirmed; 711 } 712 713 /** 714 * Update user friend counts. 715 * 716 * Friend counts are cached in usermeta for performance reasons. After a 717 * friendship event (acceptance, deletion), call this function to regenerate 718 * the cached values. 719 * 720 * @since 1.0.0 721 * 722 * @param int $initiator_user_id ID of the first user. 723 * @param int $friend_user_id ID of the second user. 724 * @param string $status Optional. The friendship event that's been triggered. 725 * 'add' will ++ each user's friend counts, while any other string 726 * will --. 727 */ 728 function friends_update_friend_totals( $initiator_user_id, $friend_user_id, $status = 'add' ) { 729 if ( 'add' === $status ) { 730 bp_update_user_meta( $initiator_user_id, 'total_friend_count', (int) bp_get_user_meta( $initiator_user_id, 'total_friend_count', true ) + 1 ); 731 bp_update_user_meta( $friend_user_id, 'total_friend_count', (int) bp_get_user_meta( $friend_user_id, 'total_friend_count', true ) + 1 ); 732 } else { 733 bp_update_user_meta( $initiator_user_id, 'total_friend_count', (int) bp_get_user_meta( $initiator_user_id, 'total_friend_count', true ) - 1 ); 734 bp_update_user_meta( $friend_user_id, 'total_friend_count', (int) bp_get_user_meta( $friend_user_id, 'total_friend_count', true ) - 1 ); 735 } 736 } 737 738 /** 739 * Remove all friends-related data concerning a given user. 740 * 741 * Removes the following: 742 * 743 * - Friendships of which the user is a member. 744 * - Cached friend count for the user. 745 * - Notifications of friendship requests sent by the user. 746 * 747 * @since 1.0.0 748 * 749 * @param int $user_id ID of the user whose friend data is being removed. 750 */ 751 function friends_remove_data( $user_id ) { 752 753 /** 754 * Fires before deletion of friend-related data for a given user. 755 * 756 * @since 1.5.0 757 * 758 * @param int $user_id ID for the user whose friend data is being removed. 759 */ 760 do_action( 'friends_before_remove_data', $user_id ); 761 762 BP_Friends_Friendship::delete_all_for_user( $user_id ); 763 764 // Remove usermeta. 765 bp_delete_user_meta( $user_id, 'total_friend_count' ); 766 767 /** 768 * Fires after deletion of friend-related data for a given user. 769 * 770 * @since 1.0.0 771 * 772 * @param int $user_id ID for the user whose friend data is being removed. 773 */ 774 do_action( 'friends_remove_data', $user_id ); 775 } 776 add_action( 'wpmu_delete_user', 'friends_remove_data' ); 777 add_action( 'bp_make_spam_user', 'friends_remove_data' ); 778 779 /** 780 * Deletes user Friends data on the 'delete_user' hook. 781 * 782 * @since 6.0.0 783 * 784 * @param int $user_id The ID of the deleted user. 785 */ 786 function bp_friends_remove_data_on_delete_user( $user_id ) { 787 if ( ! bp_remove_user_data_on_delete_user_hook( 'friends', $user_id ) ) { 788 return; 789 } 790 791 friends_remove_data( $user_id ); 792 } 793 add_action( 'delete_user', 'bp_friends_remove_data_on_delete_user' ); 794 795 /** 796 * Used by the Activity component's @mentions to print a JSON list of the current user's friends. 797 * 798 * This is intended to speed up @mentions lookups for a majority of use cases. 799 * 800 * @since 2.1.0 801 * 802 * @see bp_activity_mentions_script() 803 */ 804 function bp_friends_prime_mentions_results() { 805 806 // Stop here if user is not logged in. 807 if ( ! is_user_logged_in() ) { 808 return; 809 } 810 811 if ( ! bp_activity_maybe_load_mentions_scripts() ) { 812 return; 813 } 814 815 // Bail out if the site has a ton of users. 816 if ( bp_is_large_install() ) { 817 return; 818 } 819 820 if ( friends_get_total_friend_count( get_current_user_id() ) > 30 ) { 821 return; 822 } 823 824 $friends_query = array( 825 'count_total' => '', // Prevents total count. 826 'populate_extras' => false, 827 'type' => 'alphabetical', 828 'user_id' => get_current_user_id(), 829 ); 830 831 $friends_query = new BP_User_Query( $friends_query ); 832 $results = array(); 833 834 foreach ( $friends_query->results as $user ) { 835 $result = new stdClass(); 836 $result->ID = $user->user_nicename; 837 $result->image = bp_core_fetch_avatar( array( 'html' => false, 'item_id' => $user->ID ) ); 838 839 if ( ! empty( $user->display_name ) && ! bp_disable_profile_sync() ) { 840 $result->name = $user->display_name; 841 } else { 842 $result->name = bp_core_get_user_displayname( $user->ID ); 843 } 844 845 $results[] = $result; 846 } 847 848 wp_localize_script( 'bp-mentions', 'BP_Suggestions', array( 849 'friends' => $results, 850 ) ); 851 } 852 add_action( 'bp_activity_mentions_prime_results', 'bp_friends_prime_mentions_results' ); 853 854 /** Emails ********************************************************************/ 855 856 /** 857 * Send notifications related to a new friendship request. 858 * 859 * When a friendship is requested, an email and a BP notification are sent to 860 * the user of whom friendship has been requested ($friend_id). 861 * 862 * @since 1.0.0 863 * 864 * @param int $friendship_id ID of the friendship object. 865 * @param int $initiator_id ID of the user who initiated the request. 866 * @param int $friend_id ID of the request recipient. 867 */ 868 function friends_notification_new_request( $friendship_id, $initiator_id, $friend_id ) { 869 if ( 'no' === bp_get_user_meta( (int) $friend_id, 'notification_friends_friendship_request', true ) ) { 870 return; 871 } 872 873 $unsubscribe_args = array( 874 'user_id' => $friend_id, 875 'notification_type' => 'friends-request', 876 ); 877 878 $args = array( 879 'tokens' => array( 880 'friend-requests.url' => esc_url( bp_core_get_user_domain( $friend_id ) . bp_get_friends_slug() . '/requests/' ), 881 'friend.id' => $friend_id, 882 'friendship.id' => $friendship_id, 883 'initiator.id' => $initiator_id, 884 'initiator.url' => esc_url( bp_core_get_user_domain( $initiator_id ) ), 885 'initiator.name' => bp_core_get_user_displayname( $initiator_id ), 886 'unsubscribe' => esc_url( bp_email_get_unsubscribe_link( $unsubscribe_args ) ), 887 ), 888 ); 889 bp_send_email( 'friends-request', $friend_id, $args ); 890 } 891 add_action( 'friends_friendship_requested', 'friends_notification_new_request', 10, 3 ); 892 893 /** 894 * Send notifications related to the acceptance of a friendship request. 895 * 896 * When a friendship request is accepted, an email and a BP notification are 897 * sent to the user who requested the friendship ($initiator_id). 898 * 899 * @since 1.0.0 900 * 901 * @param int $friendship_id ID of the friendship object. 902 * @param int $initiator_id ID of the user who initiated the request. 903 * @param int $friend_id ID of the request recipient. 904 */ 905 function friends_notification_accepted_request( $friendship_id, $initiator_id, $friend_id ) { 906 if ( 'no' === bp_get_user_meta( (int) $initiator_id, 'notification_friends_friendship_accepted', true ) ) { 907 return; 908 } 909 910 $unsubscribe_args = array( 911 'user_id' => $initiator_id, 912 'notification_type' => 'friends-request-accepted', 913 ); 914 915 $args = array( 916 'tokens' => array( 917 'friend.id' => $friend_id, 918 'friendship.url' => esc_url( bp_core_get_user_domain( $friend_id ) ), 919 'friend.name' => bp_core_get_user_displayname( $friend_id ), 920 'friendship.id' => $friendship_id, 921 'initiator.id' => $initiator_id, 922 'unsubscribe' => esc_url( bp_email_get_unsubscribe_link( $unsubscribe_args ) ), 923 ), 924 ); 925 bp_send_email( 'friends-request-accepted', $initiator_id, $args ); 926 } 927 add_action( 'friends_friendship_accepted', 'friends_notification_accepted_request', 10, 3 ); 928 929 /** 930 * Finds and exports friendship data associated with an email address. 931 * 932 * @since 4.0.0 933 * 934 * @param string $email_address The user's email address. 935 * @param int $page Batch number. 936 * @return array An array of personal data. 937 */ 938 function bp_friends_personal_data_exporter( $email_address, $page ) { 939 $number = 50; 940 $email_address = trim( $email_address ); 941 $data_to_export = array(); 942 $user = get_user_by( 'email', $email_address ); 943 944 if ( ! $user ) { 945 return array( 946 'data' => array(), 947 'done' => true, 948 ); 949 } 950 951 $friendships = BP_Friends_Friendship::get_friendships( $user->ID, array( 952 'is_confirmed' => true, 953 'page' => $page, 954 'per_page' => $number, 955 ) ); 956 957 foreach ( $friendships as $friendship ) { 958 if ( (int) $user->ID === (int) $friendship->initiator_user_id ) { 959 $friend_id = $friendship->friend_user_id; 960 $user_is_initiator = true; 961 } else { 962 $friend_id = $friendship->initiator_user_id; 963 $user_is_initiator = false; 964 } 965 966 $item_data = array( 967 array( 968 'name' => __( 'Friend', 'buddypress' ), 969 'value' => bp_core_get_userlink( $friend_id ), 970 ), 971 array( 972 'name' => __( 'Initiated By Me', 'buddypress' ), 973 'value' => $user_is_initiator ? __( 'Yes', 'buddypress' ) : __( 'No', 'buddypress' ), 974 ), 975 array( 976 'name' => __( 'Friendship Date', 'buddypress' ), 977 'value' => $friendship->date_created, 978 ), 979 ); 980 981 $data_to_export[] = array( 982 'group_id' => 'bp_friends', 983 'group_label' => __( 'Friends', 'buddypress' ), 984 'item_id' => "bp-friends-{$friend_id}", 985 'data' => $item_data, 986 ); 987 } 988 989 // Tell core if we have more items to process. 990 $done = count( $friendships ) < $number; 991 992 return array( 993 'data' => $data_to_export, 994 'done' => $done, 995 ); 996 } 997 998 /** 999 * Finds and exports pending sent friendship request data associated with an email address. 1000 * 1001 * @since 4.0.0 1002 * 1003 * @param string $email_address The user's email address. 1004 * @param int $page Batch number. 1005 * @return array An array of personal data. 1006 */ 1007 function bp_friends_pending_sent_requests_personal_data_exporter( $email_address, $page ) { 1008 $number = 50; 1009 $email_address = trim( $email_address ); 1010 $data_to_export = array(); 1011 $user = get_user_by( 'email', $email_address ); 1012 1013 if ( ! $user ) { 1014 return array( 1015 'data' => array(), 1016 'done' => true, 1017 ); 1018 } 1019 1020 $friendships = BP_Friends_Friendship::get_friendships( $user->ID, array( 1021 'is_confirmed' => false, 1022 'initiator_user_id' => $user->ID, 1023 'page' => $page, 1024 'per_page' => $number, 1025 ) ); 1026 1027 foreach ( $friendships as $friendship ) { 1028 $item_data = array( 1029 array( 1030 'name' => __( 'Recipient', 'buddypress' ), 1031 'value' => bp_core_get_userlink( $friendship->friend_user_id ), 1032 ), 1033 array( 1034 'name' => __( 'Date Sent', 'buddypress' ), 1035 'value' => $friendship->date_created, 1036 ), 1037 ); 1038 1039 $data_to_export[] = array( 1040 'group_id' => 'bp_friends_pending_sent_requests', 1041 'group_label' => __( 'Pending Friend Requests (Sent)', 'buddypress' ), 1042 'item_id' => "bp-friends-pending-sent-request-{$friendship->friend_user_id}", 1043 'data' => $item_data, 1044 ); 1045 } 1046 1047 // Tell core if we have more items to process. 1048 $done = count( $friendships ) < $number; 1049 1050 return array( 1051 'data' => $data_to_export, 1052 'done' => $done, 1053 ); 1054 } 1055 1056 /** 1057 * Finds and exports pending received friendship request data associated with an email address. 1058 * 1059 * @since 4.0.0 1060 * 1061 * @param string $email_address The user's email address. 1062 * @param int $page Batch number. 1063 * @return array An array of personal data. 1064 */ 1065 function bp_friends_pending_received_requests_personal_data_exporter( $email_address, $page ) { 1066 $number = 50; 1067 $email_address = trim( $email_address ); 1068 $data_to_export = array(); 1069 $user = get_user_by( 'email', $email_address ); 1070 1071 if ( ! $user ) { 1072 return array( 1073 'data' => array(), 1074 'done' => true, 1075 ); 1076 } 1077 1078 $friendships = BP_Friends_Friendship::get_friendships( $user->ID, array( 1079 'is_confirmed' => false, 1080 'friend_user_id' => $user->ID, 1081 'page' => $page, 1082 'per_page' => $number, 1083 ) ); 1084 1085 foreach ( $friendships as $friendship ) { 1086 $item_data = array( 1087 array( 1088 'name' => __( 'Requester', 'buddypress' ), 1089 'value' => bp_core_get_userlink( $friendship->initiator_user_id ), 1090 ), 1091 array( 1092 'name' => __( 'Date Sent', 'buddypress' ), 1093 'value' => $friendship->date_created, 1094 ), 1095 ); 1096 1097 $data_to_export[] = array( 1098 'group_id' => 'bp_friends_pending_received_requests', 1099 'group_label' => __( 'Pending Friend Requests (Received)', 'buddypress' ), 1100 'item_id' => "bp-friends-pending-received-request-{$friendship->initiator_user_id}", 1101 'data' => $item_data, 1102 ); 1103 } 1104 1105 // Tell core if we have more items to process. 1106 $done = count( $friendships ) < $number; 1107 1108 return array( 1109 'data' => $data_to_export, 1110 'done' => $done, 1111 ); 1112 }
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