ng-tracker/src/main/java/ru/ulstu/user/service/UserSessionService.java

68 lines
2.7 KiB
Java

package ru.ulstu.user.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import ru.ulstu.core.jpa.OffsetablePageRequest;
import ru.ulstu.core.model.response.PageableItems;
import ru.ulstu.user.error.UserNotFoundException;
import ru.ulstu.user.model.User;
import ru.ulstu.user.model.UserSession;
import ru.ulstu.user.model.UserSessionListDto;
import ru.ulstu.user.repository.UserSessionRepository;
import java.util.Date;
import static ru.ulstu.core.util.StreamApiUtils.convert;
@Service
@Transactional
public class UserSessionService {
private final Logger log = LoggerFactory.getLogger(UserSessionService.class);
private final UserSessionRepository userSessionRepository;
private final UserService userService;
public UserSessionService(UserSessionRepository userSessionRepository, UserService userService) {
this.userSessionRepository = userSessionRepository;
this.userService = userService;
}
@Transactional(readOnly = true)
public PageableItems<UserSessionListDto> getSessions(int offset, int count) {
final Page<UserSession> page = userSessionRepository.findAll(
new OffsetablePageRequest(offset, count, Sort.by(Sort.Direction.DESC, "loginTime")));
return new PageableItems<>(page.getTotalElements(),
convert(page.getContent(), UserSessionListDto::new));
}
public void createUserSession(String sessionId, String login, String ipAddress, String host) {
final User user = userService.getUserByLogin(login);
if (user == null) {
throw new UserNotFoundException(login);
}
userSessionRepository.save(new UserSession(sessionId, ipAddress, host, user));
log.debug("User session {} created for user {}@{} ({})", sessionId, login, ipAddress, host);
}
public void closeUserSession(String sessionId) {
final UserSession userSession = userSessionRepository.findOneBySessionId(sessionId);
if (userSession == null) {
throw new IllegalArgumentException(String.format("User session %s not found", sessionId));
}
userSession.close();
userSessionRepository.save(userSession);
log.debug("User session {} closed", sessionId);
}
public User getUserBySessionId(String sessionId) {
return userSessionRepository.findOneBySessionId(sessionId).getUser();
}
public boolean isOnline(User user) {
return !userSessionRepository.findAllByUserAndLogoutTimeIsNullAndLoginTimeBefore(user, new Date()).isEmpty();
}
}