content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   *
   */
  
  package org.apache.causeway.extensions.sessionlog.applib.dom;
  
  import java.sql.Timestamp;
  import java.time.LocalDate;
  import java.util.List;
  import java.util.Optional;
  import java.util.UUID;
  
  import jakarta.inject.Inject;
  
  import org.apache.causeway.applib.query.Query;
  import org.apache.causeway.applib.services.factory.FactoryService;
  import org.apache.causeway.applib.services.repository.RepositoryService;
  import org.apache.causeway.applib.services.session.SessionSubscriber;
  import org.apache.causeway.applib.services.xactn.TransactionService;
  import org.apache.causeway.commons.internal.base._Casts;
  import org.apache.causeway.core.config.environment.CausewaySystemEnvironment;
  
  import org.jspecify.annotations.NonNull;
  
  /**
   * Provides supporting functionality for querying {@link SessionLogEntry session log entry} entities.
   *
   * @since 2.0 {@index}
   */
  public abstract class SessionLogEntryRepositoryAbstract<E extends SessionLogEntry> implements SessionLogEntryRepository {
  
      @Inject RepositoryService repositoryService;
      @Inject TransactionService transactionService;
      @Inject FactoryService factoryService;
      @Inject CausewaySystemEnvironment causewaySystemEnvironment;
  
      private final Class<E> sessionLogEntryClass;
  
      protected SessionLogEntryRepositoryAbstract(@NonNull Class<E> sessionLogEntryClass) {
          this.sessionLogEntryClass = sessionLogEntryClass;
      }
  
      public void logoutAllSessions(final Timestamp logoutTimestamp) {
          var allSessions = repositoryService.allMatches(
                  Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_ACTIVE_SESSIONS));
          for (var activeEntry : allSessions) {
              activeEntry.setCausedBy(SessionSubscriber.CausedBy.RESTART);
              activeEntry.setLogoutTimestamp(logoutTimestamp);
          }
          transactionService.flushTransaction();
      }
  
      public SessionLogEntry create(
              final String username,
              final UUID sessionGuid,
              final String httpSessionId,
              final SessionSubscriber.CausedBy causedBy,
              final Timestamp timestamp) {
          E entry = factoryService.detachedEntity(sessionLogEntryClass);
          entry.setUsername(username);
          entry.setSessionGuid(sessionGuid);
          entry.setHttpSessionId(httpSessionId);
          entry.setCausedBy(causedBy);
          entry.setLoginTimestamp(timestamp);
          return repositoryService.persistAndFlush(entry);
      }
  
      public Optional<SessionLogEntry> findBySessionGuid(final UUID sessionGuid) {
          return _Casts.uncheckedCast(
                  repositoryService.firstMatch(
                      Query.named(sessionLogEntryClass,  SessionLogEntry.Nq.FIND_BY_SESSION_GUID)
                           .withParameter("sessionGuid", sessionGuid))
          );
      }
  
      public Optional<SessionLogEntry> findByHttpSessionId(final String httpSessionId) {
          return _Casts.uncheckedCast(
                  repositoryService.firstMatch(
                      Query.named(sessionLogEntryClass,  SessionLogEntry.Nq.FIND_BY_HTTP_SESSION_ID)
                           .withParameter("httpSessionId", httpSessionId))
          );
      }
  
      public List<SessionLogEntry> findByUsername(final String username) {
          return _Casts.uncheckedCast(
                  repositoryService.allMatches(
                      Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME)
                           .withParameter("username", username))
          );
      }
  
      public List<SessionLogEntry> findByUsernameAndFromAndTo(
              final String username,
              final LocalDate from,
              final LocalDate to) {
          var fromTs = toTimestampStartOfDayWithOffset(from, 0);
          var toTs = toTimestampStartOfDayWithOffset(to, 1);
  
          final Query<E> query;
          if(from != null) {
              if(to != null) {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME_AND_TIMESTAMP_BETWEEN)
                          .withParameter("username", username)
                          .withParameter("from", fromTs)
                          .withParameter("to", toTs);
              } else {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME_AND_TIMESTAMP_AFTER)
                          .withParameter("username", username)
                          .withParameter("from", fromTs);
              }
          } else {
              if(to != null) {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME_AND_TIMESTAMP_BEFORE)
                          .withParameter("username", username)
                          .withParameter("to", toTs);
              } else {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME)
                          .withParameter("username", username);
              }
          }
          return _Casts.uncheckedCast(repositoryService.allMatches(query));
      }
  
      public List<SessionLogEntry> findByFromAndTo(
              final LocalDate from,
              final LocalDate to) {
          var fromTs = toTimestampStartOfDayWithOffset(from, 0);
          var toTs = toTimestampStartOfDayWithOffset(to, 1);
  
          final Query<E> query;
          if(from != null) {
              if(to != null) {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_TIMESTAMP_BETWEEN)
                          .withParameter("from", fromTs)
                          .withParameter("to", toTs);
              } else {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_TIMESTAMP_AFTER)
                          .withParameter("from", fromTs);
              }
          } else {
              if(to != null) {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_TIMESTAMP_BEFORE)
                          .withParameter("to", toTs);
              } else {
                  query = Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND);
              }
          }
          return _Casts.uncheckedCast(repositoryService.allMatches(query));
      }
  
      public List<SessionLogEntry> findByUsernameAndStrictlyBefore(
              final String username,
              final Timestamp from) {
  
          return _Casts.uncheckedCast(
                  repositoryService.allMatches(
                      Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME_AND_TIMESTAMP_STRICTLY_BEFORE)
                          .withParameter("username", username)
                          .withParameter("from", from))
          );
      }
  
      public List<SessionLogEntry> findByUsernameAndStrictlyAfter(
              final String username,
              final Timestamp from) {
          return _Casts.uncheckedCast(
                  repositoryService.allMatches(
                      Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_BY_USERNAME_AND_TIMESTAMP_STRICTLY_AFTER)
                          .withParameter("username", username)
                          .withParameter("from", from))
          );
      }
  
      public List<SessionLogEntry> findActiveSessions() {
          return _Casts.uncheckedCast(
                  repositoryService.allMatches(
                      Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_ACTIVE_SESSIONS))
          );
      }
  
      public List<SessionLogEntry> findRecentByUsername(final String username) {
          return _Casts.uncheckedCast(
                  repositoryService.allMatches(
                      Query.named(sessionLogEntryClass, SessionLogEntry.Nq.FIND_RECENT_BY_USERNAME)
                              .withParameter("username", username)
                              .withLimit(10))
          );
  
      }
  
      private static Timestamp toTimestampStartOfDayWithOffset(final LocalDate dt, final int daysOffset) {
          return dt != null
                  ? Timestamp.valueOf(dt.atStartOfDay().plusDays(daysOffset))
                  : null;
      }
  
      /**
       * for testing purposes only
       */
      public List<SessionLogEntry> findAll() {
          if (causewaySystemEnvironment.getDeploymentType().isProduction()) {
              throw new IllegalStateException("Cannot removeAll in production systems");
          }
          return _Casts.uncheckedCast(repositoryService.allInstances(sessionLogEntryClass));
      }
  
      /**
       * for testing purposes only
       */
      public void removeAll() {
          if (causewaySystemEnvironment.getDeploymentType().isProduction()) {
              throw new IllegalStateException("Cannot removeAll in production systems");
          }
          repositoryService.removeAll(sessionLogEntryClass);
      }
  
  }
  