Function DeleteUser

internal/users/users.go:701–733

DeleteUser permanently removes a user record, their YAML file, and all index entries. It refuses to delete a user that is currently online.

(userId int)

// DeleteUser permanently removes a user record, their YAML file, and all index
// entries. It refuses to delete a user that is currently online.
func DeleteUser(userId int) error {
	u, err := LoadUserById(userId)
	if err != nil {
		return fmt.Errorf("user %d not found: %w", userId, err)
	}

	userManagerMu.Lock()
	defer userManagerMu.Unlock()

	if _, online := userManager.Users[userId]; online {
		return fmt.Errorf("user %d is currently online and cannot be deleted", userId)
	}

	filePath := util.FilePath(string(configs.GetFilePathsConfig().DataFiles), `/`, `users`, `/`, strconv.Itoa(userId)+`.yaml`)
	if err := os.Remove(filePath); err != nil && !os.IsNotExist(err) {
		return fmt.Errorf("failed to remove user file: %w", err)
	}

	idx := GetUserIndex()
	_ = idx.RemoveByUsername(u.Username)

	GetCharacterIndex().Remove(u.Character.Name)

	delete(userManager.Users, userId)
	delete(userManager.Usernames, u.Username)
	if connId, ok := userManager.UserConnections[userId]; ok {
		delete(userManager.Connections, connId)
		delete(userManager.LinkDeadConnections, connId)
	}
	delete(userManager.UserConnections, userId)

	return nil
}

func Exists(name string) bool {