<?php

/**

 * @file

 * SQLite specific install functions

 */

class DatabaseTasks_sqlite extends DatabaseTasks {

  protected $pdoDriver = 'sqlite';

  public function name() {

    return st('SQLite');

  }

  /**

   * Minimum engine version.

   */

  public function minimumVersion() {

    return '3.3.7';

  }

  public function getFormOptions($database) {

    $form = parent::getFormOptions($database);

    // Remove the options that only apply to client/server style databases.

    unset($form['username'], $form['password'], $form['advanced_options']['host'], $form['advanced_options']['port']);

    // Make the text more accurate for SQLite.

    $form['database']['#title'] = st('Database file');

    $form['database']['#description'] = st('The absolute path to the file where @drupal data will be stored. This must be writable by the web server and should exist outside of the web root.', array('@drupal' => drupal_install_profile_distribution_name()));

    $default_database = conf_path(FALSE, TRUE) . '/files/.ht.sqlite';

    $form['database']['#default_value'] = empty($database['database']) ? $default_database : $database['database'];

    return $form;

  }

  public function validateDatabaseSettings($database) {

    // Perform standard validation.

    $errors = parent::validateDatabaseSettings($database);

    // Verify the database is writable.

    $db_directory = new SplFileInfo(dirname($database['database']));

    if (!$db_directory->isWritable()) {

      $errors[$database['driver'] . '][database'] = st('The directory you specified is not writable by the web server.');

    }

    return $errors;

  }

}