user_manager.inc

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<?php
/**************************************************************
 
 Copyright (c) 2010 Sonjara, Inc
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
 files (the "Software"), to deal in the Software without
 restriction, including without limitation the rights to use,
 copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following
 conditions:
 
 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
 
 Except as contained in this notice, the name(s) of the above 
 copyright holders shall not be used in advertising or otherwise 
 to promote the sale, use or other dealings in this Software 
 without prior written authorization.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
 
*****************************************************************/
 
class UserManager
{
     function UserManager()
     {
     }
     
     function getUsernameField()
     {
          return "username";
     }
     
     function getEmailField()
     {
          return "email";
     }
     
     function getUserClass()
     {
          return SiteUser;
     }
     
     function getUser($user_id)
     {
          return new SiteUser($user_id);
     }
     
     function getActiveClause()
     {
          return "active=true";
     }
 
     function isActive($user)
     {
          return $user->active;
     }
     
     function getUserByName($username)
     {
          $usernameField = $this->getUsernameField();
          
          $matches = Query::create(SiteUser, "WHERE $usernameField=:username")
                    ->bind(":username", $username)
                    ->execute();
          
          return (count($matches) > 0) ? $matches[0] : null;
     }
     
     
     function getUserByEmail($email)
     {
          $emailField = $this->getEmailField();
          
          $matches = Query::create(SiteUser, "WHERE $emailField=:email")
                    ->bind(":email", $email)
                    ->execute();
          
          return (count($matches) > 0) ? $matches[0] : null;
     }
 
     function getUserFullName($user)
     {
          return $user->getFullName();
     }
     
     function validatePassword($username, $password)
     {
          $user = querySingle(SiteUser, "WHERE username='{$username}' and active=1");
               
          if ($user && crypt($_POST["password"], $user->password) === $user->password)
          {
               return $user;
          }
          else
          {
               return null;
          }
     }
     
     function loadDefaultSession($user)
     {
     }
     
     function loginRedirect($user)
     {
          $page = $this->getLoginRedirect($user);
          redirect($page);
     }
     function getLoginRedirect($user)
     {
          global $isAdmin;
          global $_SESSION;
     
          $page = $_SESSION["login_redirect"];
          unset($_SESSION["login_redirect"]);
     
          if (!$page || startsWith($page, "components/login"))
          {
               $page = ($isAdmin) ? "/admin/index" : SiteRole::getHomePage($user);
          }
     
          return $page;
     }
 
     function getPasswordResetPage()
     {
          return "/password_reset";
     }
     
     function getPasswordHelpText()
     {
          return "If you have an account on this system, please enter your user name or your user email address and we will email a temporary password to you.";
     }
     
     function getPasswordHelpUserNameLabel()
     {
          return "User name or email";  
     }
     
     static function deleteRole($del_role)
     {
          $constraint = "WHERE role like '%$del_role%'";
          
          $mgr = new UserManager();
          $class = $mgr->getUserClass();
          $users = Query::create($class, $constraint)->execute();
          
          RoleManager::deleteRoleFromString($users, $del_role);
          
          return $del_role;
     }         
     
     static function onInitialize()
     {
          global $user;
          if ($user)
          {
               MenuManager::setDisplayFlag('logged_in', true);
          }
          else
          {
               MenuManager::setDisplayFlag('logged_in', false);
          }
     }
     
     static function upgradeComponent($version)
     {
          $mgr = new UserUpgradeManager();
          $mgr->upgrade($version);
     }    
}?>