bp_members_filter_media_personal_scope( array $retval = array(), array $filter = array() )

function bp_members_filter_media_personal_scope( $retval = array(), $filter = array() ) {

	// Determine the user_id.
	if ( ! empty( $filter['user_id'] ) ) {
		$user_id = $filter['user_id'];
	} else {
		$user_id = bp_displayed_user_id()
			? bp_displayed_user_id()
			: bp_loggedin_user_id();
	}

	$privacy = array( 'public' );

	if ( bp_loggedin_user_id() ) {
		$privacy[] = 'loggedin';

		if ( (int) $user_id === (int) bp_loggedin_user_id() ) {
			$privacy[] = 'onlyme';
		}

		if ( bp_is_active( 'friends' ) && bp_is_profile_media_support_enabled() ) {
			if ( (int) $user_id === (int) bp_loggedin_user_id() ) {
				$privacy[] = 'friends';
			} else {
				$friends = friends_get_friend_user_ids( $user_id );
				if ( ! empty( $friends ) && in_array( (int) bp_loggedin_user_id(), $friends, true ) ) {
					$privacy[] = 'friends';
				}
			}
		}
	}

	$retval = array(
		'relation' => 'AND',
		array(
			'column' => 'user_id',
			'value'  => $user_id,
		),
		array(
			'column'  => 'privacy',
			'value'   => $privacy,
			'compare' => 'IN'
		),
	);

	if ( ! bp_is_profile_albums_support_enabled() ) {
		$retval[] = array(
			'column'  => 'album_id',
			'compare' => '=',
			'value'   => '0',
		);
	}

	if ( ! empty( $filter['search_terms'] ) ) {
		$retval[] = array(
			'column'  => 'title',
			'compare' => 'LIKE',
			'value'   => $filter['search_terms'],
		);
	}

	return $retval;
}