/*
* eGov suite of products aim to improve the internal efficiency,transparency,
* accountability and the service delivery of the government organizations.
*
* Copyright (C) <2015> eGovernments Foundation
*
* The updated version of eGov suite of products as by eGovernments Foundation
* is available at http://www.egovernments.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ or
* http://www.gnu.org/licenses/gpl.html .
*
* In addition to the terms of the GPL license to be adhered to in using this
* program, the following additional terms are to be complied with:
*
* 1) All versions of this program, verbatim or modified must carry this
* Legal Notice.
*
* 2) Any misrepresentation of the origin of the material is prohibited. It
* is required that all modified versions of this material be marked in
* reasonable ways as different from the original version.
*
* 3) This license does not grant any rights to any user of the program
* with regards to rights under trademark law for use of the trade names
* or trademarks of eGovernments Foundation.
*
* In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
*/
package org.egov.assets.service;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import javax.persistence.metamodel.EntityType;
import javax.persistence.metamodel.Metamodel;
import org.egov.assets.model.Asset;
import org.egov.assets.model.AssetCategory;
import org.egov.assets.model.CategoryPropertyType;
import org.egov.assets.repository.AssetCategoryRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional(readOnly = true)
public class AssetCategoryService {
private final AssetCategoryRepository assetCategoryRepository;
@PersistenceContext
private EntityManager entityManager;
@Autowired
public AssetCategoryService(
final AssetCategoryRepository assetCategoryRepository) {
this.assetCategoryRepository = assetCategoryRepository;
}
@Transactional
public AssetCategory create(AssetCategory assetCategory) {
assetCategory = removeEmptyCategoryproperties(assetCategory);
return assetCategoryRepository.save(assetCategory);
}
@Transactional
public AssetCategory update(AssetCategory assetCategory) {
assetCategory = removeEmptyCategoryproperties(assetCategory);
return assetCategoryRepository.save(assetCategory);
}
public List<AssetCategory> findAll() {
return assetCategoryRepository.findAll(new Sort(Sort.Direction.ASC,
"name"));
}
public AssetCategory findByName(String name) {
return assetCategoryRepository.findByName(name);
}
public AssetCategory findByCode(String code) {
return assetCategoryRepository.findByCode(code);
}
public AssetCategory findOne(Long id) {
return assetCategoryRepository.findOne(id);
}
public List<AssetCategory> search(AssetCategory assetCategory) {
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<AssetCategory> createQuery = cb.createQuery(AssetCategory.class);
Root<AssetCategory> assetCategories = createQuery.from(AssetCategory.class);
createQuery.select(assetCategories);
Metamodel model = entityManager.getMetamodel();
EntityType<AssetCategory> AssetCategory_ = model.entity(AssetCategory.class);
List<Predicate> predicates = new ArrayList<Predicate>();
if(assetCategory.getName() != null)
{
String name="%"+assetCategory.getName().toLowerCase()+"%";
predicates.add(cb.isNotNull(assetCategories.get("name")));
predicates.add(cb.like(cb.lower(assetCategories.get(AssetCategory_.getDeclaredSingularAttribute("name",String.class))),name));
}
if(assetCategory.getAssetType() != null)
{
predicates.add(cb.equal(assetCategories.get("assetType"),assetCategory.getAssetType()));
}
createQuery.where(predicates.toArray(new Predicate[]{}));
TypedQuery<AssetCategory> query=entityManager.createQuery(createQuery);
List<AssetCategory> resultList = query.getResultList();
return resultList;
}
private AssetCategory removeEmptyCategoryproperties(AssetCategory assetCategory){
Iterator<CategoryPropertyType> iterator = assetCategory.getCategoryProperties().iterator();
while(iterator.hasNext()){
CategoryPropertyType categoryProperty = iterator.next();
if((categoryProperty.getName() == null) && (categoryProperty.getDataType() == null)
&& (categoryProperty.getFormat() == null) && (categoryProperty.getEnumValues() == null)
&& (categoryProperty.getLocalText() == null))
{
iterator.remove();
}
else if(categoryProperty.getAssetCategory()==null)
{
categoryProperty.setAssetCategory(assetCategory);
}
}
return assetCategory;
}
}