function fb_devel_requirements in Drupal for Facebook 7.3

Same name and namespace in other branches

1. 6.3 fb_devel.install \fb_devel_requirements()
2. 6.2 fb_devel.install \fb_devel_requirements()

Implementation of hook_requirements().

Show warnings as necessary in Status Report page.

File

./fb_devel.install, line 14

Install file for fb_devel.module.

Code

function fb_devel_requirements($phase) {
  $t = get_t();
  $items = array();
  if ($phase == 'runtime') {
    $count = db_query('SELECT count(uid) FROM {users} WHERE data LIKE :as OR data LIKE :iau OR data LIKE :fbu', array(
      ':as' => '%\\"app_specific\\"%',
      ':iau' => '%\\"is_app_user\\"%',
      ':fbu' => '%\\"fbu\\"%',
    ))
      ->fetchField();
    if ($count) {
      $status = array(
        'title' => $t('Drupal for Facebook obsolete data.'),
        'description' => $t('Early versions of Drupal for Facebook stored information in users table.  Leave fb_devel.module enabled, and this data will be cleared during cron jobs.'),
      );
      $status['value'] = $t('Found %count rows', array(
        '%count' => $count,
      ));
      $status['severity'] = REQUIREMENT_WARNING;
      $items[] = $status;
    }

    // Confirm no accounts without authmap.  The problem caused by old bug, should only occur on sites that have been upgraded.
    if (module_exists('fb_user')) {
      $count = db_query('SELECT count(u.uid) FROM {users} u LEFT JOIN {fb_user} a ON u.uid=a.uid WHERE u.name LIKE :fb AND a.uid IS NULL', array(
        ':fb' => '"%@facebook%"',
      ))
        ->fetchField();
      if ($count) {
        $status = array(
          'title' => $t('Accounts named NNN@facebook without fb_user map'),
          'description' => $t('Drupal for Facebook may have failed to create a map entry for these accounts.  Please report to the Drupal for Facebook issue queue, we are working on a fix.'),
          'value' => $count,
          'severity' => REQUIREMENT_WARNING,
        );
        $items[] = $status;
      }
    }
  }

  // Test if json extensions are loaded.
  if (defined('SERVICES_JSON_SLICE')) {

    // defined in facebook's json wrapper, which is not compatible with PHP's JSON extensions.
    $items[] = array(
      'title' => $t('JSON extension for PHP'),
      'severity' => REQUIREMENT_ERROR,
      'description' => $t('JSON extension must be present for Drupal for Facebook modules.  You can wait (forever) for facebook to <a href="!url">fix their bug</a>, or install the JSON extension. ', array(
        '!url' => 'http://bugs.developers.facebook.com/show_bug.cgi?id=4351',
      )),
    );
  }

  // clean url sanity check
  if (!variable_get('clean_url', FALSE) && module_exists('fb_canvas') && $phase == 'runtime') {
    $message = $items[] = array(
      'title' => $t('Clean URLs'),
      'severity' => REQUIREMENT_ERROR,
      'description' => $t('Drupal for Facebook will not function properly until <a href=!url>clean URLs</a> are turned on.', array(
        '!url' => url('admin/settings/clean-urls'),
      )),
    );
  }
  if (!count($items) && $phase == 'runtime') {
    $items[] = array(
      'title' => $t('Drupal for Facebook Devel'),
      'value' => $t('No worries'),
      'description' => $t('All sanity checks OK.'),
    );
  }
  return $items;
}