function fb_app_fb in Drupal for Facebook 6.2

Same name and namespace in other branches

1. 5.2 fb_app.module \fb_app_fb()
2. 5 fb_app.module \fb_app_fb()
3. 6.3 fb_app.module \fb_app_fb()
4. 7.3 fb_app.module \fb_app_fb()

Implementation of hook_fb().

File

./fb_app.module, line 26

Implementation of Drupal for Facebook application.

Code

function fb_app_fb($op, $data, &$return) {
  $fb = isset($data['fb']) ? $data['fb'] : NULL;
  $fb_app = isset($data['fb_app']) ? $data['fb_app'] : NULL;
  if ($op == FB_OP_GET_APP) {

    // Load app data, using the criteria passed in.
    $args = array();
    $where = array();

    // This implementation uses 'label' as the unique id.
    foreach (array(
      FB_SETTINGS_CB,
      FB_SETTINGS_LABEL,
    ) as $key) {
      if (isset($data[$key]) && is_numeric($data[$key])) {

        // DEPRECATED
        // for backward compatibility we accept the nid, but that will go away in a later release!
        $where[] = "(label = '%s' || nid = '%d')";
        $args[] = $data[$key];
        $args[] = $data[$key];
      }
      elseif (isset($data[$key])) {

        // This is the right way, using label.
        $where[] = "label = '%s'";
        $args[] = $data[$key];
      }
    }

    // We also support these ways to query an app.
    foreach (array(
      'fba_id' => '%d',
      'apikey' => "'%s'",
      'nid' => '%d',
    ) as $key => $type) {
      if (isset($data[$key])) {
        $where[] = "{$key} = {$type}";
        $args[] = $data[$key];
      }
    }

    // Status is a special query.  Admin pages include disabled apps.
    if (isset($data['status'])) {
      $where[] = "status >= %d";
      $args[] = $data['status'];
    }
    else {
      $where[] = "status > 0";
    }
    if (count($args)) {
      $fb_app = db_fetch_object(db_query("SELECT * FROM {fb_app} fba WHERE " . implode(' AND ', $where), $args));
    }
    if ($fb_app) {
      $return = $fb_app;
    }
  }
  elseif ($op == FB_OP_GET_ALL_APPS) {

    // Return all known applications, including disabled.
    $result = db_query("SELECT fba.* FROM {fb_app} fba");
    while ($app = db_fetch_object($result)) {
      $return[] = $app;
    }
  }
  elseif ($op == FB_OP_POST_INIT) {

    // Include our admin hooks.
    if (fb_is_fb_admin_page()) {
      require drupal_get_path('module', 'fb_app') . '/fb_app.admin.inc';
    }
  }
  elseif ($op == FB_OP_CURRENT_APP) {

    // Normally the current app is determined by fb_canvas or fb_connect, unless it is our event callback.
    if (arg(0) == 'fb_app' && !$return) {
      if (function_exists('fb_settings')) {
        if (fb_settings(FB_SETTINGS_TYPE) == FB_SETTINGS_TYPE_CANVAS && ($apikey = fb_settings(FB_SETTINGS_APIKEY))) {
          $return = fb_get_app(array(
            'apikey' => $apikey,
          ));
        }
      }
    }
  }
}