# ResourceService.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "https://www.silverpeas.org/legal/floss_exception.html"
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.resourcesmanager.service;

    import org.silverpeas.components.resourcesmanager.model.Reservation;
    import org.silverpeas.components.resourcesmanager.model.Resource;
    import org.silverpeas.components.resourcesmanager.model.ResourceValidator;
    import org.silverpeas.components.resourcesmanager.repository.ReservationRepository;
    import org.silverpeas.components.resourcesmanager.repository.ReservedResourceRepository;
    import org.silverpeas.components.resourcesmanager.repository.ResourceRepository;
    import org.silverpeas.components.resourcesmanager.repository.ResourceValidatorRepository;
    import org.silverpeas.core.annotation.Service;

    import jakarta.inject.Inject;
    import jakarta.transaction.Transactional;
    import java.util.ArrayList;
    import java.util.List;

    @Service
    public class ResourceService {

      @Inject
      ResourceRepository repository;
      @Inject
      ReservationRepository reservationRepository;
      @Inject
      private ReservedResourceRepository reservedResourceRepository;
      @Inject
      private ResourceValidatorRepository resourceValidatorRepository;

      @Transactional
      public void createResource(Resource resource) {
        repository.saveAndFlush(resource);
      }

      @Transactional
      public void updateResource(Resource resource) {
        repository.saveAndFlush(resource);
      }

      public List<Resource> getResources() {
        return repository.getAll();
      }

      public List<Resource> getBookableResources(String componentId) {
        return repository.findAllBookableResources(componentId);
      }

      public List<Resource> getResources(String componentId) {
        return repository.findAllResources(componentId);
      }

      public Resource getResource(long id) {
        return repository.getById(Long.toString(id));
      }

      @Transactional
      public void deleteResource(long id) {
        reservedResourceRepository.deleteAllReservedResourcesForResource(id);
        repository.deleteById(Long.toString(id));
      }

      @Transactional
      public void deleteResourcesFromCategory(Long categoryId) {
        repository.deleteResourcesFromCategory(categoryId);
      }

      @Transactional
      public void addManagers(long resourceId, List<ResourceValidator> managerIds) {
        Resource resource = repository.getById(Long.toString(resourceId));
        for (ResourceValidator manager : managerIds) {
          manager.setResource(resource);
          resource.getManagers().add(manager);
        }
        repository.saveAndFlush(resource);
      }

      @Transactional
      public void addManager(ResourceValidator manager) {
        Resource resource = repository.getById(Long.toString(manager.getResourceId()));
        resource.getManagers().add(manager);
        repository.saveAndFlush(resource);
      }

      public List<ResourceValidator> getManagers(long resourceId) {
        Resource resource = repository.getById(Long.toString(resourceId));
        return new ArrayList<>(resource.getManagers());
      }

      @Transactional
      public void removeAllManagers(long resourceId) {
        Resource resource =  repository.getById(Long.toString(resourceId));
        resource.getManagers().clear();
        repository.saveAndFlush(resource);
      }

      @Transactional
      public void removeManager(ResourceValidator manager) {
        Resource resource = repository.getById(Long.toString(manager.getResourceId()));
        resource.getManagers().remove(manager);
        repository.saveAndFlush(resource);
      }

      public List<Resource> getResourcesByCategory(Long categoryId) {
        return repository.findAllResourcesByCategory(categoryId);
      }

      public List<Resource> listAvailableResources(String instanceId, String startDate,
          String endDate) {
        List<Resource> bookableResources = repository.findAllBookableResources(instanceId);
        List<Resource> availableBookableResources = new ArrayList<>(bookableResources.size());
        for (Resource resource : bookableResources) {
          List<Reservation> reservations = reservationRepository.
              findAllReservationsNotRefusedForResourceInRange(resource.getIdAsLong(), startDate, endDate);
          if (reservations == null || reservations.isEmpty()) {
            availableBookableResources.add(resource);
          }
        }
        return availableBookableResources;
      }

      public boolean isManager(Long userId, Long resourceId) {
        return resourceValidatorRepository.getResourceValidator(resourceId, userId) != null;
      }

      public List<Resource> listResourcesOfReservation(Long reservationId) {
        return repository.findAllResourcesForReservation(reservationId);
      }

      public List<Resource> findAllReservedResources(long reservationIdToSkip,
          List<Long> aimedResourceIds, String startPeriod, String endPeriod) {
        return repository
            .findAllReservedResources(reservationIdToSkip, aimedResourceIds, startPeriod, endPeriod);
      }
    }