wcfsetup/install/files/lib/data/user/follow/UserFollow.class.php

   1 <?php
   2
   3 namespace wcf\data\user\follow;
   4
   5 use wcf\data\DatabaseObject;
   6 use wcf\system\WCF;
   7
   8 /**
   9  * Represents a user's follower.
  10  *
  11  * @author  Alexander Ebert
  12  * @copyright   2001-2019 WoltLab GmbH
  13  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  14  *
  15  * @property-read   int $followID       unique id of the following relation
  16  * @property-read   int $userID         id of the following user
  17  * @property-read   int $followUserID       id of the followed user
  18  * @property-read   int $time           time at which following relation has been established
  19  */
  20 class UserFollow extends DatabaseObject
  21 {
  22     /**
  23      * Retrieves a follower.
  24      *
  25      * @param int $userID
  26      * @param int $followUserID
  27      * @return  UserFollow
  28      */
  29     public static function getFollow($userID, $followUserID)
  30     {
  31         $sql = "SELECT  followID
  32                 FROM    wcf" . WCF_N . "_user_follow
  33                 WHERE   userID = ?
  34                     AND followUserID = ?";
  35         $statement = WCF::getDB()->prepareStatement($sql);
  36         $statement->execute([
  37             $userID,
  38             $followUserID,
  39         ]);
  40
  41         $row = $statement->fetchArray();
  42         if (!$row) {
  43             $row = [];
  44         }
  45
  46         return new self(null, $row);
  47     }
  48 }