<?php
// +-----------------------------------------------------------------------+
// | This file is part of Piwigo.                                          |
// |                                                                       |
// | For copyright and license information, please view the COPYING.txt    |
// | file that was distributed with this source code.                      |
// +-----------------------------------------------------------------------+

/**
 * @package functions\admin\install
 */


/**
 * Loads a SQL file and executes all queries.
 * Before executing a query, $replaced is... replaced by $replacing. This is
 * useful when the SQL file contains generic words. Drop table queries are
 * not executed.
 *
 * @param string $filepath
 * @param string $replaced
 * @param string $replacing
 */
function execute_sqlfile($filepath, $replaced, $replacing, $dblayer)
{
  $sql_lines = file($filepath);
  $query = '';
  foreach ($sql_lines as $sql_line)
  {
    $sql_line = trim($sql_line);
    if (preg_match('/(^--|^$)/', $sql_line))
    {
      continue;
    }
    $query.= ' '.$sql_line;
    // if we reached the end of query, we execute it and reinitialize the
    // variable "query"
    if (preg_match('/;$/', $sql_line))
    {
      $query = trim($query);
      $query = str_replace($replaced, $replacing, $query);
      // we don't execute "DROP TABLE" queries
      if (!preg_match('/^DROP TABLE/i', $query))
      {
        if ('mysql' == $dblayer)
        {
          if ( preg_match('/^(CREATE TABLE .*)[\s]*;[\s]*/im', $query, $matches) )
          {
            $query = $matches[1].' DEFAULT CHARACTER SET utf8'.';';
          }
        }
        pwg_query($query);
      }
      $query = '';
    }
  }
}

/**
 * Automatically activate all core themes in the "themes" directory.
 */
function activate_core_themes()
{
  include_once(PHPWG_ROOT_PATH.'admin/include/themes.class.php');
  $themes = new themes();
  foreach ($themes->fs_themes as $theme_id => $fs_theme)
  {
    if (in_array($theme_id, array('modus')))
    {
      $themes->perform_action('activate', $theme_id);
    }
  }
}

/**
 * Automatically activate some core plugins
 */
function activate_core_plugins()
{
  include_once(PHPWG_ROOT_PATH.'admin/include/plugins.class.php');
  
  $plugins = new plugins();

  foreach($plugins->fs_plugins as $plugin_id => $fs_plugin)
  {
    if (in_array($plugin_id, array()))
    {
      $plugins->perform_action('activate', $plugin_id);
    }
  }
}

/**
 * Connect to database during installation. Uses $_POST.
 *
 * @param array &$infos - populated with infos
 * @param array &$errors - populated with errors
 */
function install_db_connect(&$infos, &$errors)
{
  try
  {
    pwg_db_connect($_POST['dbhost'], $_POST['dbuser'],
                   $_POST['dbpasswd'], $_POST['dbname']);
    pwg_db_check_version();
  }
  catch (Exception $e)
  {
    $errors[] = l10n($e->getMessage());
  }
}

?>