global $dg_options;
define('DG_OPTION_NAME', 'document_gallery');
$dg_options = get_option(DG_OPTION_NAME, null);
// core functionality
include_once DG_PATH . 'inc/class-document-gallery.php';
include_once DG_PATH . 'inc/class-thumb.php';
include_once DG_PATH . 'inc/class-util.php';
// logging functionality
include_once DG_PATH . 'inc/class-logger.php';
add_action(DG_Logger::PurgeLogsAction, array('DG_Logger', 'purgeExpiredEntries'));
// handle activation, updates, and uninstallation
include_once DG_PATH . 'inc/class-setup.php';
register_activation_hook(__FILE__, array('DG_Setup', 'activate'));
add_action('wpmu_new_blog', array('DG_Setup', 'activateNewBlog'));
register_uninstall_hook(__FILE__, array('DG_Setup', 'uninstall'));
DG_Setup::maybeUpdate();
// ensure we don't allow invalid option structure
add_action('init', array('DocumentGallery', 'addValidation'));
// I18n
add_action('plugins_loaded', array('DocumentGallery', 'loadTextDomain'));
// cleanup cached data when thumbed attachment deleted
include_once DG_PATH . 'inc/class-thumber.php';
add_action('delete_attachment', array('DG_Thumb', 'cleanupAttachmentMeta'));
if (is_admin()) {
// admin house keeping
include_once DG_PATH . 'admin/class-admin.php';
// AJAX handling
include_once DG_PATH . 'admin/class-ajax-handler.php';
// add links to plugin index
add_filter('plugin_action_links_' . DG_BASENAME, array('DG_Admin', 'addSettingsLink'));
add_filter('plugin_row_meta', array('DG_Admin', 'addDonateLink'), 10, 2);
/**
* @param mixed[]|mixed $o The options structure to validate.
* @param mixed[] $schema The schema to validate against (note that only keys matter -- non-array values are ignored).
*
* @return bool Whether the given options structure matches the schema.
*/
public static function isValidOptionsStructure($o, $schema = null)
{
if (is_null($schema)) {
$schema = DG_Setup::getDefaultOptions(true);
}
// simple checks first
$valid = is_array($o) && count($schema) === count($o);
if ($valid) {
foreach ($schema as $sk => $sv) {
$valid = array_key_exists($sk, $o);
if (is_array($sv) && !empty($sv)) {
$valid = $valid && self::isValidOptionsStructure($o[$sk], $sv);
}
if (!$valid) {
break;
}
}
}
return $valid;
}
