LocationServiceImpl.java

/*
 * Copyright 2022 Global Crop Diversity Trust
 *
 * Licensed 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.gringlobal.service.impl;

import com.querydsl.core.types.EntityPath;
import com.querydsl.core.types.Predicate;

import org.gringlobal.api.exception.InvalidApiUsageException;
import org.gringlobal.model.community.Location;
import org.gringlobal.model.community.LocationAction;
import org.gringlobal.model.community.LocationData;
import org.gringlobal.model.community.QLocation;
import org.gringlobal.model.community.QLocationAction;
import org.gringlobal.model.workflow.WorkflowActionStep;
import org.gringlobal.persistence.community.LocationActionRepository;
import org.gringlobal.persistence.community.LocationDataRepository;
import org.gringlobal.persistence.community.LocationRepository;
import org.gringlobal.service.LocationActionService;
import org.gringlobal.service.LocationActionService.LocationActionRequest;
import org.gringlobal.service.LocationActionService.LocationActionScheduleFilter;
import org.gringlobal.service.LocationDataService;
import org.gringlobal.service.LocationService;
import org.gringlobal.service.MethodService;
import org.gringlobal.service.filter.LocationActionFilter;
import org.gringlobal.service.filter.LocationFilter;
import org.hibernate.Hibernate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PostAuthorize;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;

import java.util.List;
import java.util.Set;

import javax.validation.Valid;
import javax.validation.constraints.NotNull;

@Service
@Transactional(readOnly = true)
@Validated
public class LocationServiceImpl extends FilteredCRUDService2Impl<Location, LocationFilter, LocationRepository> implements LocationService {

	public static final Logger LOG = LoggerFactory.getLogger(LocationServiceImpl.class);

	@Component
	protected static class ActionSupport extends BaseActionSupport<Location, LocationAction, LocationActionFilter, LocationActionRepository, LocationActionRequest, LocationActionScheduleFilter>
		implements LocationActionService {

		@Autowired
		private LocationRepository locationRepository;

		@Autowired
		private MethodService methodService;
		
		@Override
		protected EntityPath<Location> getOwningEntityPath() {
			return QLocationAction.locationAction.location();
		}

		@Override
		protected void initializeActionDetails(List<LocationAction> actions) {
			actions.forEach(action -> {
				Hibernate.initialize(action.getLocation());
				action.getLocation().lazyLoad();
			});
		}

		@Override
		protected void applyOwningEntityFilter(LocationActionScheduleFilter filter, String alias, List<Predicate> predicates) {
			QLocation qLocation = new QLocation(alias);
			if (predicates != null && filter.location != null) {
				predicates.addAll(filter.location.collectPredicates(qLocation));
			}
		}

		@Override
		protected LocationAction createAction(Location owningEntity) {
			LocationAction action = new LocationAction();
			action.setLocation(owningEntity);
			return action;
		}

		@Override
		protected void updateAction(LocationAction action, LocationActionRequest actionData) {
			if (actionData.method != null && !actionData.method.isNew()) {
				action.setMethod(methodService.get(actionData.method.getId()));
			}
		}

		@Override
		protected LocationAction prepareNextWorkflowStepAction(WorkflowActionStep nextStep, LocationAction completedAction) {
			LocationAction nextAction = new LocationAction();
			nextAction.setLocation(new Location(completedAction.getLocation().getId()));
			return nextAction;
		}

		@Override
		@Transactional
		@PreAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'WRITE')")
		public LocationAction create(LocationAction source) {
			LOG.debug("Create LocationAction. Input data {}", source);
			LocationAction locationAction = new LocationAction();
			locationAction.apply(source);
			LocationAction saved = repository.save(locationAction);
			return _lazyLoad(saved);
		}

		@Override
		protected Iterable<Location> findOwningEntities(Set<Long> id) {
			return locationRepository.findAll(QLocation.location.id.in(id));
		}
	}

	@Component
	protected static class LocationDataServiceImpl extends CRUDService2Impl<LocationData, LocationDataRepository> implements LocationDataService {

		@Override
		@Transactional
		@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'WRITE', returnObject.location.site)")
		public LocationData create(LocationData source) {
			LocationData saved = new LocationData();
			saved.apply(source);
			return repository.save(saved);
		}

		@Override
		@Transactional
		@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'WRITE', returnObject.location.site)")
		public LocationData update(LocationData input, LocationData target) {
			return _lazyLoad(updateFast(input, target));
		}

		@Override
		@Transactional
		@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'WRITE', returnObject.location.site)")
		public LocationData updateFast(LocationData updated, LocationData target) {
			target.apply(updated);
			return repository.save(target);
		}
	}

	@Override
	@Transactional
	@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'CREATE', returnObject.site)")
	public Location create(Location source) {
		Location saved = new Location();
		saved.apply(source);
		return repository.save(saved);
	}

	@Override
	@Transactional
	@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'CREATE', returnObject.site)")
	public Location createFast(Location source) {
		return super.createFast(source);
	}

	@Override
	@Transactional
	@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'WRITE', returnObject.site)")
	public Location update(Location input, Location target) {
		return _lazyLoad(updateFast(input, target));
	}

	@Override
	@Transactional
	@PostAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'WRITE', returnObject.site)")
	public Location updateFast(@NotNull @Valid Location updated, Location target) {
		if (target.equals(updated.getParentLocation())) {
			throw new InvalidApiUsageException("Cannot set a parent location, a cyclical dependency was detected.");
		}

		target.apply(updated);
		return repository.save(target);
	}

	@Override
	@Transactional
	@PreAuthorize("hasAuthority('GROUP_ADMINS') or @ggceSec.actionAllowed('Location', 'DELETE', #entity.site)")
	public Location remove(Location entity) {
		return super.remove(entity);
	}

}