/**
 * Query Custom BP Leaderboard
 * @since 1.0
 * @version 1.0
 */
function mycred_pro_query_custom_leaderboard( $leaderboard, $group_id, $point_type, $append_user, $fresh ) {

	// Get setup
	$setup = mycred_get_bp_group_setup( $group_id );

	// This function should only handle our custom type
	if ( $setup['type'] != 'annual' ) return $leaderboard;

	// See if we have a cached result, unless a fresh one is requested
	if ( ! $fresh ) {

		$leaderboard  = groups_get_groupmeta( $group_id, 'cached_leaderboard' . $point_type );
		$leaderboard  = maybe_unserialize( $leaderboard );

	}

	// If the leaderboard is empty
	if ( empty( $leaderboard ) || $fresh ) {

		global $wpdb, $mycred;

		$until       = current_time( 'timestamp' );
		$from        = mktime( 0, 0, 0, 1, 1, date( 'Y', $until ) );

		$group_table = $wpdb->prefix . 'bp_groups_members';
		$leaderboard = $wpdb->get_results( $wpdb->prepare( "
			SELECT log.user_id, SUM( log.creds ) as balance
			FROM {$mycred->log_table} log
				LEFT JOIN {$group_table} groups ON ( groups.user_id = log.user_id )
			WHERE groups.group_id = %d
				AND groups.is_confirmed = 1
				AND groups.is_banned = 0
				AND log.ctype = %s
				AND log.time BETWEEN %d AND %d
			GROUP BY log.user_id
			ORDER BY balance DESC, log.user_id ASC
			LIMIT 0,%d", $group_id, $point_type, $from, $until, $setup['size'] ) );

		// If we have results, cache it
		if ( ! empty( $leaderboard ) )
			groups_update_groupmeta( $group_id, 'cached_leaderboard' . $point_type, serialize( $leaderboard ) );

	}

	// If we need to append the current user
	if ( ! empty( $leaderboard ) && $append_user !== false ) {

		// Check if the current user is in the leaderboard
		$in_list = false;
		foreach ( $leaderboard as $position => $entry ) {

			$entry->position = $position+1;
			$entry->current  = false;

			if ( $entry->user_id == $append_user ) {
				$entry->current = true;
				$in_list        = true;
			}

		}

		// If we want to attach the current user because they are not in the leaderboard
		if ( $setup['current'] && ! $in_list ) {

			$position = mycred_get_users_bp_group_position( $append_user, $group_id, $point_type );
			if ( $position !== false ) {

				// Append the current user
				$row           = new StdClass();
				$row->position = $position;
				$row->user_id  = $append_user;
				$row->balance  = mycred_get_users_cred( $append_user, $point_type );
				$row->current  = true;

				$leaderboard[] = $row;

			}

		}

	}

	return $leaderboard;

}
add_filter( 'mycred_bp_leaderboard_get', 'mycred_pro_query_custom_leaderboard', 10, 5 );