Phraseanet/lib/classes/Feed/Publisher/Adapter.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     Feeds
 * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
 * @link        www.phraseanet.com
 */
class Feed_Publisher_Adapter implements Feed_Publisher_Interface, cache_cacheableInterface
{

  /**
   *
   * @var appbox
   */
  protected $appbox;
  /**
   *
   * @var int
   */
  protected $id;
  /**
   *
   * @var User_Adapter
   */
  protected $user;
  /**
   *
   * @var boolean
   */
  protected $owner;
  /**
   *
   * @var DateTime
   */
  protected $created_on;
  /**
   *
   * @var User_Adapter
   */
  protected $added_by;

  /**
   *
   * @param appbox $appbox
   * @param int $id
   * @return Feed_Publisher_Adapter
   */
  public function __construct(appbox &$appbox, $id)
  {
    $this->appbox = $appbox;
    $this->id = (int) $id;
    $this->load();

    return $this;
  }

  /**
   *
   * @return Feed_Publisher_Adapter
   */
  protected function load()
  {
    try
    {
      $datas = $this->get_data_from_cache();

      $this->user = User_Adapter::getInstance($datas['usr_id'], $this->appbox);
      $this->added_by = User_Adapter::getInstance($datas['added_by_usr_id'], $this->appbox);
      $this->created_on = $datas['created_on'];
      $this->owner = $datas['owner'];

      return $this;
    }
    catch (Exception $e)
    {

    }

    $sql = 'SELECT id, usr_id, owner, created_on, added_by
            FROM feed_publishers WHERE id = :feed_publisher_id';
    $stmt = $this->appbox->get_connection()->prepare($sql);
    $stmt->execute(array(':feed_publisher_id' => $this->id));
    $row = $stmt->fetch(PDO::FETCH_ASSOC);
    $stmt->closeCursor();

    if (!$row)
      throw new Exception_Feed_PublisherNotFound();

    $this->user = User_Adapter::getInstance($row['usr_id'], $this->appbox);
    $this->owner = !!$row['owner'];
    $this->created_on = new DateTime($row['created_on']);
    $this->added_by = User_Adapter::getInstance($row['added_by'], $this->appbox);

    $datas = array(
        'usr_id' => $this->user->get_id()
        , 'owner' => $this->owner
        , 'created_on' => $this->created_on
        , 'added_by_usr_id' => $this->added_by->get_id()
    );

    $this->set_data_to_cache($datas);

    return $this;
  }

  /**
   *
   * @return User_Adapter
   */
  public function get_user()
  {
    return $this->user;
  }

  /**
   *
   * @return boolean
   */
  public function is_owner()
  {
    return $this->owner;
  }

  /**
   *
   * @return DateTime
   */
  public function get_created_on()
  {
    return $this->created_on;
  }

  /**
   *
   * @return User_Adapter
   */
  public function get_added_by()
  {
    return $this->added_by;
  }

  /**
   *
   * @return int
   */
  public function get_id()
  {
    return $this->id;
  }

  /**
   *
   * @return void
   */
  public function delete()
  {
    $sql = 'DELETE FROM feed_publishers WHERE id = :feed_publisher_id';
    $stmt = $this->appbox->get_connection()->prepare($sql);
    $stmt->execute(array(':feed_publisher_id' => $this->get_id()));
    $stmt->closeCursor();

    return;
  }

  /**
   *
   * @param appbox $appbox
   * @param User_Adapter $user
   * @param Feed_Adapter $feed
   * @param boolean $owner
   * @return Feed_Publisher_Adapter
   */
  public static function create(appbox &$appbox, User_Adapter &$user, Feed_Adapter &$feed, $owner)
  {
    $sql = 'INSERT INTO feed_publishers (id, usr_id, feed_id, owner, created_on, added_by)
            VALUES (null, :usr_id, :feed_id, :owner, NOW(), :added_by)';
    $stmt = $appbox->get_connection()->prepare($sql);
    $params = array(
        ':usr_id' => $user->get_id()
        , ':feed_id' => $feed->get_id()
        , ':owner' => $owner ? '1' : null
        , ':added_by' => $owner ? $user->get_id() : $appbox->get_session()->get_usr_id()
    );
    $stmt->execute($params);
    $id = $appbox->get_connection()->lastInsertId();
    $stmt->closeCursor();

    return new self($appbox, $id);
  }

  /**
   *
   * @param appbox $appbox
   * @param Feed_Adapter $feed
   * @param User_Adapter $user
   * @return Feed_Publisher_Adapter
   */
  public static function getPublisher(appbox &$appbox, Feed_Adapter &$feed, User_Adapter &$user)
  {
    foreach ($feed->get_publishers() as $publisher)
    {
      if ($publisher->get_user()->get_id() === $user->get_id())

        return $publisher;
    }
    throw new Exception_Feed_PublisherNotFound('Publisher not found');
  }

  public function get_cache_key($option = null)
  {
    return 'feedpublisher_' . $this->get_id() . '_' . ($option ? '_' . $option : '');
  }

  public function get_data_from_cache($option = null)
  {
    return $this->appbox->get_data_from_cache($this->get_cache_key($option));
  }

  public function set_data_to_cache($value, $option = null, $duration = 0)
  {
    return $this->appbox->set_data_to_cache($value, $this->get_cache_key($option), $duration);
  }

  public function delete_data_from_cache($option = null)
  {
    return $this->appbox->delete_data_from_cache($this->get_cache_key($option));
  }

}