| | |
| | | import org.springframework.stereotype.Component; |
| | | import org.springframework.util.StringUtils; |
| | | |
| | | import java.time.Duration; |
| | | import java.time.Instant; |
| | | import java.util.Map; |
| | | import java.util.concurrent.ConcurrentHashMap; |
| | | |
| | |
| | | public class AiSessionUserContext { |
| | | |
| | | private final Map<String, LoginUser> loginUserByMemoryId = new ConcurrentHashMap<>(); |
| | | private final Map<String, Instant> lastAccessTimeByMemoryId = new ConcurrentHashMap<>(); |
| | | private static final Duration SESSION_TIMEOUT = Duration.ofHours(24); |
| | | |
| | | public void bind(String memoryId, LoginUser loginUser) { |
| | | if (!StringUtils.hasText(memoryId) || loginUser == null) { |
| | | return; |
| | | } |
| | | loginUserByMemoryId.put(memoryId, loginUser); |
| | | lastAccessTimeByMemoryId.put(memoryId, Instant.now()); |
| | | } |
| | | |
| | | public LoginUser get(String memoryId) { |
| | | if (!StringUtils.hasText(memoryId)) { |
| | | return null; |
| | | } |
| | | if (isExpired(memoryId)) { |
| | | remove(memoryId); |
| | | return null; |
| | | } |
| | | lastAccessTimeByMemoryId.put(memoryId, Instant.now()); |
| | | return loginUserByMemoryId.get(memoryId); |
| | | } |
| | | |
| | |
| | | return; |
| | | } |
| | | loginUserByMemoryId.remove(memoryId); |
| | | lastAccessTimeByMemoryId.remove(memoryId); |
| | | } |
| | | |
| | | public void cleanExpiredSessions() { |
| | | Instant now = Instant.now(); |
| | | lastAccessTimeByMemoryId.entrySet().removeIf(entry -> { |
| | | boolean expired = Duration.between(entry.getValue(), now).compareTo(SESSION_TIMEOUT) > 0; |
| | | if (expired) { |
| | | loginUserByMemoryId.remove(entry.getKey()); |
| | | } |
| | | return expired; |
| | | }); |
| | | } |
| | | |
| | | private boolean isExpired(String memoryId) { |
| | | Instant lastAccess = lastAccessTimeByMemoryId.get(memoryId); |
| | | if (lastAccess == null) { |
| | | return true; |
| | | } |
| | | return Duration.between(lastAccess, Instant.now()).compareTo(SESSION_TIMEOUT) > 0; |
| | | } |
| | | } |