/**
* $Id: CollectionRecentSubmissions.java 4969 2010-05-19 07:08:41Z mdiggory $
* $URL: http://scm.dspace.org/svn/repo/modules/dspace-discovery/trunk/block/src/main/java/org/dspace/app/xmlui/aspect/discovery/CollectionRecentSubmissions.java $
* *************************************************************************
* Copyright (c) 2002-2009, DuraSpace. All rights reserved
* Licensed under the DuraSpace License.
*
* A copy of the DuraSpace License has been included in this
* distribution and is available at: http://scm.dspace.org/svn/repo/licenses/LICENSE.txt
*/
package org.dspace.app.xmlui.aspect.discovery;
import org.apache.log4j.Logger;
import org.apache.solr.client.solrj.SolrQuery;
import org.dspace.core.ConfigurationManager;
import org.dspace.core.Constants;
import org.dspace.discovery.SearchService;
import org.dspace.discovery.SearchUtils;
import org.apache.solr.common.SolrDocument;
import org.dspace.app.xmlui.utils.HandleUtil;
import org.dspace.app.xmlui.wing.Message;
import org.dspace.app.xmlui.wing.WingException;
import org.dspace.app.xmlui.wing.element.Body;
import org.dspace.app.xmlui.wing.element.Division;
import org.dspace.app.xmlui.wing.element.ReferenceSet;
import org.dspace.authorize.AuthorizeException;
import org.dspace.content.Collection;
import org.dspace.content.DSpaceObject;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.sql.SQLException;
/**
* Display a single collection. This includes a full text search, browse by
* list, community display and a list of recent submissions.
*
* @author Ben Bosman
* @author Mark Diggory
*/
public class CollectionRecentSubmissions extends AbstractFiltersTransformer {
private static final Logger log = Logger.getLogger(CollectionRecentSubmissions.class);
private static final Message T_head_recent_submissions =
message("xmlui.ArtifactBrowser.CollectionViewer.head_recent_submissions");
/**
* Display a single collection
*/
public void addBody(Body body) throws SAXException, WingException,
SQLException, IOException, AuthorizeException {
DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
// Set up the major variables
Collection collection = (Collection) dso;
performSearch(collection);
if(queryResults == null)
return;// queryResults;
// Build the collection viewer division.
Division home = body.addDivision("collection-home", "primary repository collection");
Division lastSubmittedDiv = home
.addDivision("collection-recent-submission", "secondary recent-submission");
lastSubmittedDiv.setHead(T_head_recent_submissions);
ReferenceSet lastSubmitted = lastSubmittedDiv.addReferenceSet(
"collection-last-submitted", ReferenceSet.TYPE_SUMMARY_LIST,
null, "recent-submissions");
for (SolrDocument doc : queryResults.getResults()) {
lastSubmitted.addReference(
SearchUtils.findDSpaceObject(context, doc));
}
}
/**
* Get the recently submitted items for the given community or collection.
*
* @param scope The comm/collection.
* @return the response of the query
*/
public void performSearch(DSpaceObject scope) {
if(queryResults != null)
return;// queryResults;
queryArgs = prepareDefaultFilters("collection");
queryArgs.setQuery("search.resourcetype:" + Constants.ITEM);
queryArgs.setRows(SearchUtils.getConfig().getInt("solr.recent-submissions.size", 5));
queryArgs.setSortField(
ConfigurationManager.getProperty("recent.submissions.sort-option"),
SolrQuery.ORDER.desc
);
// TODO: make facet.fields options configurable (e.g., {!ex=...}).
queryArgs.setFilterQueries("{!tag=loc}location:l" + scope.getID());
queryArgs.add("f.location.facet.mincount", "0");
queryArgs.add("f.location.facet.limit", "-1");
try {
queryResults = getSearchService().search(queryArgs);
} catch (Throwable e) {
log.error(e.getMessage(),e);
}
}
}