//=== Copyright (C) 2001-2007 Food and Agriculture Organization of the
//=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
//=== and United Nations Environment Programme (UNEP)
//===
//=== 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 2 of the License, or (at
//=== your option) 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, write to the Free Software
//=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: geonetwork@osgeo.org
//==============================================================================
package org.fao.geonet.kernel.search;
import jeeves.server.ServiceConfig;
import jeeves.server.context.ServiceContext;
import org.fao.geonet.Util;
import org.fao.geonet.GeonetContext;
import org.fao.geonet.constants.Geonet;
import org.fao.geonet.domain.*;
import org.fao.geonet.kernel.DataManager;
import org.fao.geonet.kernel.setting.SettingManager;
import org.fao.geonet.repository.MetadataRepository;
import org.fao.geonet.repository.OperationAllowedRepository;
import org.fao.geonet.repository.specification.MetadataSpecs;
import org.fao.geonet.repository.specification.OperationAllowedSpecs;
import org.jdom.Document;
import org.jdom.Element;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.data.jpa.domain.Specifications;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
//==============================================================================
class UnusedSearcher extends MetaSearcher
{
private ArrayList<String> alResult;
private Element elSummary;
//--------------------------------------------------------------------------
//---
//--- Constructor
//---
//--------------------------------------------------------------------------
public UnusedSearcher() {}
//--------------------------------------------------------------------------
//---
//--- MetaSearcher Interface
//---
//--------------------------------------------------------------------------
public void search(ServiceContext context, Element request,
ServiceConfig config) throws Exception
{
GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME);
SettingManager sm = gc.getBean(SettingManager.class);
String siteId = sm.getSiteId();
alResult = new ArrayList<String>();
//--- get maximun delta in minutes
int maxDiff = Integer.parseInt(Util.getParam(request, "maxDiff", "5"));
context.info("UnusedSearcher : using maxDiff="+maxDiff);
//--- proper search
final Specifications<Metadata> spec = Specifications.where(MetadataSpecs.isType(MetadataType.TEMPLATE)).and(MetadataSpecs.isHarvested(false))
.and(MetadataSpecs.hasSource(siteId));
final List<Metadata> list = context.getBean(MetadataRepository.class).findAll(spec);
for (Metadata rec : list) {
int id = rec.getId();
ISODate createDate = rec.getDataInfo().getCreateDate();
ISODate changeDate = rec.getDataInfo().getChangeDate();
if (changeDate.timeDifferenceInSeconds(createDate) / 60 < maxDiff) {
if (!hasInternetGroup(context, id)) {
alResult.add("" + id);
}
}
}
//--- build summary
makeSummary();
initSearchRange(context);
}
//--------------------------------------------------------------------------------
public List<Document> presentDocuments(ServiceContext srvContext, Element request, ServiceConfig config) throws Exception {
throw new UnsupportedOperationException("Not supported by Unused searcher");
}
//--------------------------------------------------------------------------
public Element present(ServiceContext srvContext, Element request,
ServiceConfig config) throws Exception
{
updateSearchRange(request);
GeonetContext gc = (GeonetContext) srvContext.getHandlerContext(Geonet.CONTEXT_NAME);
//--- build response
Element response = new Element("response");
response.setAttribute("from", getFrom()+"");
response.setAttribute("to", getTo()+"");
response.addContent((Element) elSummary.clone());
if (getTo() > 0) {
for(int i = getFrom() -1; i < getTo(); i++) {
String id = alResult.get(i);
boolean forEditing = false, withValidationErrors = false, keepXlinkAttributes = false;
Element md = gc.getBean(DataManager.class).getMetadata(srvContext, id, forEditing, withValidationErrors, keepXlinkAttributes);
response.addContent(md);
}
}
return response;
}
//--------------------------------------------------------------------------
public int getSize()
{
return alResult.size();
}
//--------------------------------------------------------------------------
public Element getSummary() throws Exception
{
Element response = new Element("response");
response.addContent((Element) elSummary.clone());
return response;
}
//--------------------------------------------------------------------------
public void close() {}
//--------------------------------------------------------------------------
//---
//--- Private methods
//---
//--------------------------------------------------------------------------
private boolean hasInternetGroup(ServiceContext context, int id) throws SQLException
{
OperationAllowedRepository operationAllowedRepository = context.getBean(OperationAllowedRepository.class);
final Specification<OperationAllowed> hasGroupId = OperationAllowedSpecs.hasGroupId(ReservedGroup.all.getId());
final Specification<OperationAllowed> hasMetadataId = OperationAllowedSpecs.hasMetadataId(id);
final Specifications<OperationAllowed> spec = Specifications.where(hasGroupId).and(hasMetadataId);
List<OperationAllowed> opsAllowed = operationAllowedRepository.findAll(spec);
return !opsAllowed.isEmpty();
}
//--------------------------------------------------------------------------
private void makeSummary() throws Exception
{
elSummary = new Element("summary");
elSummary.setAttribute("count", getSize()+"");
elSummary.setAttribute("type", "local");
Element elKeywords = new Element("keywords");
elSummary.addContent(elKeywords);
Element elCategories = new Element("categories");
elSummary.addContent(elCategories);
}
}
//==============================================================================