<?php	

defined('C5_EXECUTE') or die("Access Denied.");
/**
 * @package Users
 * @author Andrew Embler <andrew@concrete5.org>
 * @copyright  Copyright (c) 2003-2008 Concrete5. (http://www.concrete5.org)
 * @license    http://www.concrete5.org/license/     MIT License
 *
 */

/**
 * A namespace that holds functions for retrieving statistics about a user.
 *
 * @package Users
 * @category Concrete
 * @copyright  Copyright (c) 2003-2008 Concrete5. (http://www.concrete5.org)
 * @license    http://www.concrete5.org/license/     MIT License
 *
 */

	class UserStatistics extends Object {

		protected $ui;
		
		public function __construct($ui) {
			$this->ui = $ui;
		}
		
		
		// The logic on this is a little weird. We're trying to show the number
		// of visits since last login. So we're taking your last login, and your
		// previous login (the one before that) and finding the amount of visits
		// between those values.
		
		public function getPreviousSessionPageViews() {
			$db = Loader::db();
			$ui = $this->ui;
			$v = array($ui->getUserID(), $ui->getPreviousLogin(), $ui->getLastLogin());
			$num = $db->getOne("select count(pstID) from PageStatistics where uID <> ? and PageStatistics.timestamp between FROM_UNIXTIME(?) and FROM_UNIXTIME(?)", $v);
			return $num;
		}
		
		public static function getTotalRegistrationsForDay($date) {
			$db = Loader::db();
			$num = $db->GetOne('select count(uID) from Users where uDateAdded >= ? and uDateAdded <= ?', array($date . ' 00:00:00', $date . ' 23:59:59'));
			return $num;
		}
		
		public static function getLastLoggedInUser() {
			$db = Loader::db();
			$uID = $db->GetOne("select uID from Users order by uLastLogin desc");
			return UserInfo::getByID($uID);
		}

	}