<?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     task_manager
 * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
 * @link        www.phraseanet.com
 */
class task_period_upgradetov31 extends task_abstract
{

  // ==========================================================================
  // ===== les interfaces de settings (task2.php) pour ce type de tache
  // ==========================================================================
  // ====================================================================
  // getName() : must return the name of this kind of task (utf8), MANDATORY
  // ====================================================================
  public function getName()
  {
    return(_("upgrade to v3.1"));
  }

  public static function interfaceAvailable()
  {
    return false;
  }

  public function help()
  {
    return(utf8_encode("Upgrade some database values"));
  }

  protected function run2()
  {
    printf("taskid %s starting." . PHP_EOL, $this->get_task_id());
    // task can't be stopped here
    $appbox = appbox::get_instance(\bootstrap::getCore());
    $conn = $appbox->get_connection();
    $registry = $appbox->get_registry();
    $running = true;

    if (!is_executable($registry->get('GV_exiftool')))
    {
      printf("Exiftool is not executable, script can not process\n");

      return 'stopped';
    }

    $todo = $this->how_many_left();
    $done = 0;

    $appbox = appbox::get_instance(\bootstrap::getCore());
    $ret = 'stopped';

    $this->setProgress($done, $todo);


    while ($running)
    {

      foreach ($appbox->get_databoxes() as $databox)
      {
        $connbas = $databox->get_connection();

        $sql = 'SELECT r.type, r.record_id, s.path, s.file, r.xml
                FROM record r, subdef s
                        WHERE ISNULL(uuid)
                        AND s.record_id = r.record_id AND s.name="document" LIMIT 100';

        $stmt = $connbas->prepare($sql);
        $stmt->execute();
        $rs = $stmt->fetchAll(PDO::FETCH_ASSOC);
        $stmt->closeCursor();

        foreach ($rs as $row)
        {
          $pathfile = p4string::addEndSlash($row['path']) . $row['file'];
          if (!file_exists($pathfile))
          {
            printf("le fichier nexiste $pathfile pas ....\n");
            $uuid = uuid::generate_v4();
          }
          else
          {
            $uuid_file = new system_file($pathfile);
            $uuid = $uuid_file->write_uuid();
          }

          $sql = 'UPDATE record SET uuid = :uuid WHERE record_id = :record_id';

          $params = array(
              ':uuid' => $uuid
              , ':record_id' => $row['record_id']
          );
          $stmt = $connbas->prepare($sql);
          $stmt->execute($params);
          $stmt->closeCursor();

          echo "mise a jour du record " . $row['record_id'] . " avec uuid " . $uuid . "\n";

          $done++;
          $this->setProgress($done, $todo);

        }
      }

      $todo = $this->how_many_left() + $done;

      if ($done == $todo)
      {
        $sql = 'UPDATE task2 SET status="tostop" WHERE  task_id = :task_id';
        $stmt = $conn->prepare($sql);
        $stmt->execute(array(':task_id' => $this->get_task_id()));
        $stmt->closeCursor();

        $this->setProgress(0, 0);
        $ret = 'todelete';
      }

      $sql = "SELECT status FROM task2 WHERE status='tostop' AND task_id=" . $this->get_task_id();
      $stmt = $conn->prepare($sql);
      $stmt->execute(array(':task_id' => $this->get_task_id()));
      $row = $stmt->fetch(PDO::FETCH_ASSOC);
      $stmt->closeCursor();

      if ($row)
      {
        $running = false;
      }

      $conn->close();
      unset($conn);
      sleep(1);
      $conn = connection::getPDOConnection();
    }
    printf("taskid %s ending." . PHP_EOL, $this->get_task_id());

    sleep(1);

    printf("good bye world I was task upgrade to version 3.1" . PHP_EOL);

    flush();

    return $ret;
  }

  private function how_many_left()
  {
    $todo = 0;
    $appbox = appbox::get_instance(\bootstrap::getCore());

    foreach ($appbox->get_databoxes() as $databox)
    {
      try
      {
        $connbas = $databox->get_connection();

        $sql = 'SELECT count(r.record_id) as total FROM record r, subdef s
                    WHERE ISNULL(uuid)
                    AND s.record_id = r.record_id AND s.name="document"';

        $stmt = $connbas->prepare($sql);
        $stmt->execute();
        $row = $stmt->fetch(PDO::FETCH_ASSOC);
        $stmt->closeCursor();

        if ($row)
        {
          $todo += (int) $row['total'];
        }
      }
      catch (Excepiton $e)
      {

      }
    }

    return $todo;
  }

}

?>