<?php defined("SYSPATH") or die("No direct script access.");
/**
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2009 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */
class exif_installer {
  static function install() {
    $db = Database::instance();
    $db->query("CREATE TABLE IF NOT EXISTS {exif_records} (
                 `id` int(9) NOT NULL auto_increment,
                 `item_id` INTEGER(9) NOT NULL,
                 `key_count` INTEGER(9) default 0,
                 `data` TEXT,
                 `dirty` BOOLEAN default 1,
                 PRIMARY KEY (`id`),
                 KEY(`item_id`))
               DEFAULT CHARSET=utf8;");


    $item_fields = $db->list_fields("items");
    if (empty($item_fields["captured"])) {
      $db->query("ALTER TABLE {items} ADD COLUMN `captured` int(9) default NULL");
    }
    module::set_version("exif", 1);
  }

  static function activate() {
    exif::check_index();
  }

  static function deactivate() {
    site_status::clear("exif_index_out_of_date");
  }

  static function uninstall() {
    $db = Database::instance();
    $db->query("DROP TABLE IF EXISTS {exif_records};");
    $db->query("ALTER TABLE {items} DROP COLUMN `captured`");
  }
}