BBP_Forums_Group_Extension::form_permissions( bool $retval = false )

	public function form_permissions( $retval = false ) {

		// Bail if not a group
		if ( ! bp_is_group() ) {
			return $retval;
		}

		// Bail if user is not logged in
		if ( ! is_user_logged_in() ) {
			return $retval;

		// Keymasters can always pass go
		} elseif ( bbp_is_user_keymaster() ) {
			$retval = true;

		// Non-members cannot see forms
		} elseif ( ! bbp_group_is_member() ) {
			$retval = false;

		// Banned users cannot see forms
		} elseif ( bbp_group_is_banned() ) {
			$retval = false;
		}

		return $retval;
	}