Phraseanet/lib/classes/connection.class.php

<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2010 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 *
 * @package
 * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
 * @link        www.phraseanet.com
 */
class connection
{

  /**
   *
   * @var Array
   */
  private static $_PDO_instance = array();

  /**
   *
   * @var boolean
   */
  private static $_selfinstance;

  /**
   *
   * @var Array
   */
  public static $log = array();

  /**
   *
   */
  public function __destruct()
  {
    self::printLog();

    return;
  }

  /**
   *
   * @return Void
   */
  public static function printLog()
  {
    $registry = registry::get_instance();
    if (!$registry->get('GV_debug'))

      return;
    $totalTime = 0;

    foreach (self::$log as $entry)
    {
      $query = $entry['query'];
      do
      {
        $query = str_replace(array("\n", "  "), " ", $query);
      }
      while ($query != str_replace(array("\n", "  "), " ", $query));

      $totalTime += $entry['time'];
      $string = $entry['time'] . "\t" . ' - ' . $query . ' - ' . "\n";
      file_put_contents($registry->get('GV_RootPath') . 'logs/mysql_log.log', $string, FILE_APPEND);
    }
    $string = count(self::$log) . ' queries - ' . $totalTime
            . "\nEND OF QUERY " . $_SERVER['PHP_SELF']
            . "?";
    foreach ($_GET as $key => $value)
    {
      $string .= $key . ' = ' . $value . ' & ';
    }
    $string .= "\nPOST datas :\n ";
    foreach ($_POST as $key => $value)
    {
      $string .= "\t\t" . $key . ' = ' . $value . "\n";
    }
    $string .= "\n\n\n\n";

    file_put_contents($registry->get('GV_RootPath') . 'logs/mysql_log.log', $string, FILE_APPEND);



    return;
  }

  /**
   *
   * @return type
   */
  protected static function instantiate()
  {
    if (!self::$_selfinstance)
      self::$_selfinstance = new self();

    return;
  }

  /**
   *
   * @param string $name
   * @return connection_pdo
   */
  public static function getPDOConnection($name = null)
  {
    self::instantiate();
    if (trim($name) == '')
    {
      $name = 'appbox';
    }
    elseif (is_int((int) $name))
    {
      $name = (int) $name;
    }
    else

      return false;

    if (!isset(self::$_PDO_instance[$name]))
    {
      $hostname = $port = $user = $password = $dbname = false;

      $connection_params = array();

      if (trim($name) !== 'appbox')
      {
        $connection_params = phrasea::sbas_params();
      }
      else
      {


        $handler = new \Alchemy\Phrasea\Core\Configuration\Handler(
                        new \Alchemy\Phrasea\Core\Configuration\Application(),
                        new \Alchemy\Phrasea\Core\Configuration\Parser\Yaml()
        );
        $configuration = new \Alchemy\Phrasea\Core\Configuration($handler);

        $choosenConnexion = $configuration->getPhraseanet()->get('database');

        $connexion = $configuration->getConnexion($choosenConnexion);

        $hostname = $connexion->get('host');
        $port = $connexion->get('port');
        $user = $connexion->get('user');
        $password = $connexion->get('password');
        $dbname = $connexion->get('dbname');
      }

      if (isset($connection_params[$name]))
      {
        $hostname = $connection_params[$name]['host'];
        $port = $connection_params[$name]['port'];
        $user = $connection_params[$name]['user'];
        $password = $connection_params[$name]['pwd'];
        $dbname = $connection_params[$name]['dbname'];
      }

      try
      {
        self::$_PDO_instance[$name] = new connection_pdo($name, $hostname, $port, $user, $password, $dbname);
        self::$_PDO_instance[$name]->query("SET character_set_results = 'utf8', character_set_client = 'utf8', character_set_connection = 'utf8', character_set_database = 'utf8', character_set_server = 'utf8'");
      }
      catch (Exception $e)
      {
        throw new Exception('Connection not available');
      }
    }
    if (array_key_exists($name, self::$_PDO_instance))

      return self::$_PDO_instance[$name];
    throw new Exception('Connection not available');
  }

  /**
   *
   * @param type $name
   * @return type
   */
  public static function close_PDO_connection($name)
  {
    if (isset(self::$_PDO_instance[$name]))
    {
      self::$_PDO_instance[$name] = null;
      unset(self::$_PDO_instance[$name]);
    }

    return;
  }

}