/*******************************************************************************
* Australian National University Data Commons
* Copyright (C) 2013 The Australian National University
*
* This file is part of Australian National University Data Commons.
*
* Australian National University Data Commons 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 (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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package au.edu.anu.datacommons.pambu;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrQuery.ORDER;
import org.apache.solr.client.solrj.SolrServer;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import au.edu.anu.datacommons.data.solr.SolrManager;
import au.edu.anu.datacommons.data.solr.SolrUtils;
import au.edu.anu.datacommons.data.solr.model.SolrSearchResult;
import au.edu.anu.datacommons.util.Util;
import com.sun.jersey.api.view.Viewable;
/**
* PambuItemResource
*
* Australian National University Data Commons
*
* Placeholder
*
* JUnit Coverage:
* None
*
* <pre>
* Version Date Developer Description
* 0.1 28/11/2012 Genevieve Turner (GT) Initial
* 0.2 28/11/2012 Genevieve Turner (GT) Updated to fix an issue with a null pointer exception when there are no child relations
* </pre>
*
*/
@Path("pambu/item")
@Component
@Scope("request")
public class PambuItemResource {
private static final Logger LOGGER = LoggerFactory.getLogger(PambuAdminResource.class);
/**
* getPambuItemList
*
* Retrieve the Item List page for a record in the Pacific Manuscripts Bureau
*
* <pre>
* Version Date Developer Description
* 0.1 28/11/2012 Genevieve Turner(GT) Initial
* 0.2 28/11/2012 Genevieve Turner (GT) Updated to fix an issue with a null pointer exception when there are no child relations
* </pre>
*
* @param pambuId The pacific manuscripts bureau serial number
* @return The page with a list of items for the serial number
*/
@GET
@Path("list/{pambuId}")
public Response getPambuItemList(@PathParam("pambuId")String pambuId) {
Map<String, Object> model = new HashMap<String, Object>();
String pambuIdDecoded = Util.decodeUrlEncoded(pambuId);
SolrQuery solrQuery = new SolrQuery();
solrQuery.addField("id");
solrQuery.addField("published.name");
solrQuery.addField("published.related.hasPart");
solrQuery.addField("published.serialNum");
solrQuery.addField("published.holdingType");
StringBuilder queryString = new StringBuilder();
queryString.append("published.serialNum:\"");
queryString.append(pambuIdDecoded);
queryString.append("\"");
LOGGER.debug("Query String: {}", queryString.toString());
solrQuery.setQuery(queryString.toString());
SolrServer solrServer = SolrManager.getInstance().getSolrServer();
try {
QueryResponse queryResponse = solrServer.query(solrQuery);
SolrDocumentList solrDocumentList = queryResponse.getResults();
LOGGER.info("Number of records found: {}", solrDocumentList.size());
if (solrDocumentList.size() > 0) {
SolrDocument doc = solrDocumentList.get(0);
List<String> hasPart = (ArrayList<String>) doc.get("published.related.hasPart");
model.put("document", doc);
if (hasPart != null && hasPart.size() > 0) {
SolrSearchResult results = getItemList(hasPart);
model.put("items", results);
}
}
}
catch (SolrServerException e) {
throw new WebApplicationException(Status.INTERNAL_SERVER_ERROR);
}
return Response.ok(new Viewable("/pambu/pambuitemlist.jsp", model)).build();
}
/**
* getItemList
*
* Get the item list values
*
* <pre>
* Version Date Developer Description
* 0.1 28/11/2012 Genevieve Turner(GT) Initial
* </pre>
*
* @param parts A list of items to find
* @return
* @throws SolrServerException
*/
private SolrSearchResult getItemList(List<String> parts) throws SolrServerException {
// This query may be better handled upgrading from solr 3.6 to 4.0 as solr 4.0 has joins
SolrQuery solrQuery = new SolrQuery();
solrQuery.setQuery("*:*");
solrQuery.setRows(1000);
solrQuery.addField("id");
solrQuery.addField("unpublished.name");
solrQuery.addField("unpublished.briefDesc");
solrQuery.addField("unpublished.serialNum");
solrQuery.setSortField("unpublished.sortVal", ORDER.asc);
StringBuilder fq = new StringBuilder();
for (String id : parts) {
fq.append("id:\"");
fq.append(SolrUtils.escapeSpecialCharacters(id));
fq.append("\" ");
}
solrQuery.addFilterQuery(fq.toString());
SolrServer solrServer = SolrManager.getInstance().getSolrServer();
QueryResponse queryResponse = solrServer.query(solrQuery);
SolrDocumentList solrDocumentList = queryResponse.getResults();
SolrSearchResult solrSearchResult = new SolrSearchResult(solrDocumentList);
LOGGER.debug("Number of Items found: {}", solrSearchResult.getNumFound());
return solrSearchResult;
}
}