Fix users receiving friend request notifications when added by users who have...

- Fix storage index listing results sometimes being returned with incorrect order.

- Fixes calculation of leaderboard and tournament times for rare types of CRON expressions that don't execute at a fixed interval.

- Improved how start and end times are calculated for tournaments occuring in the future.

- Fix users receiving friend request notifications when added by users who have blocked them.

### [3.17.1] - 2023-08-23

### Added

		notificationToSend = make(map[string]bool)

		for id := range uniqueFriendIDs {

			// Check to see if user has already blocked friend, if so, don't add friend or send notification.

			var blockState int

			err := tx.QueryRowContext(ctx, "SELECT state FROM user_edge WHERE source_id = $1 AND destination_id = $2 AND state = 3", userID, id).Scan(&blockState)

			// ignore if the error is sql.ErrNoRows as means block was not found - continue as intended.

			if err != nil && err != sql.ErrNoRows {

				// genuine DB error was found.

				logger.Debug("Failed to check edge state.", zap.Error(err), zap.String("user", userID.String()), zap.String("friend", id))

				return err

			} else if err == nil {

				// the block was found, don't add friend or send notification.

				logger.Info("Ignoring previously blocked friend. Delete friend first before attempting to add.", zap.String("user", userID.String()), zap.String("friend", id))

				continue

			}

			isFriendAccept, addFriendErr := addFriend(ctx, logger, tx, userID, id)

			if addFriendErr == nil {

				notificationToSend[id] = isFriendAccept

// Returns "true" if accepting an invite, otherwise false

func addFriend(ctx context.Context, logger *zap.Logger, tx *sql.Tx, userID uuid.UUID, friendID string) (bool, error) {

	// Check to see if user has already blocked friend, if so ignore.

	var blockState int

	err := tx.QueryRowContext(ctx, "SELECT state FROM user_edge WHERE source_id = $1 AND destination_id = $2 AND state = 3", userID, friendID).Scan(&blockState)

	// ignore if the error is sql.ErrNoRows as means block was not found - continue as intended.

	if err != nil && err != sql.ErrNoRows {

		// genuine DB error was found.

		logger.Debug("Failed to check edge state.", zap.Error(err), zap.String("user", userID.String()), zap.String("friend", friendID))

		return false, err

	} else if err == nil {

		// the block was found, return early.

		logger.Info("Ignoring previously blocked friend. Delete friend first before attempting to add.", zap.String("user", userID.String()), zap.String("friend", friendID))

		return false, nil

	}

	// Mark an invite as accepted, if one was in place.

	res, err := tx.ExecContext(ctx, `

UPDATE user_edge SET state = 0, update_time = now()