org.sakaiproject.nakamura.chat.ChatMessageSearchPropertyProvider.java Source code

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Here is the source code for org.sakaiproject.nakamura.chat.ChatMessageSearchPropertyProvider.java

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/**
 * Licensed to the Sakai Foundation (SF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The SF licenses this file
 * to you 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.sakaiproject.nakamura.chat;

import org.apache.commons.lang.time.DateUtils;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.request.RequestParameter;
import org.apache.solr.client.solrj.util.ClientUtils;
import org.sakaiproject.nakamura.api.lite.Session;
import org.sakaiproject.nakamura.api.lite.StorageClientUtils;
import org.sakaiproject.nakamura.api.message.LiteMessagingService;
import org.sakaiproject.nakamura.api.message.MessageConstants;
import org.sakaiproject.nakamura.api.message.MessagingException;
import org.sakaiproject.nakamura.api.search.solr.SolrSearchPropertyProvider;
import org.sakaiproject.nakamura.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.ParseException;
import java.util.Date;
import java.util.Map;

@Component(label = "MessageSearchPropertyProvider", description = "Provides properties to process the chat message searches.")
@Service
@Properties(value = { @Property(name = "service.vendor", value = "The Sakai Foundation"),
        @Property(name = "sakai.search.provider", value = "ChatMessage"),
        @Property(name = "service.description", value = "Provides properties to process the chat message searches.") })
public class ChatMessageSearchPropertyProvider implements SolrSearchPropertyProvider {

    private static final Logger LOG = LoggerFactory.getLogger(ChatMessageSearchPropertyProvider.class);

    @Reference
    protected transient LiteMessagingService messagingService;

    /**
     * {@inheritDoc}
     *
     * @see org.sakaiproject.nakamura.api.search.SearchPropertyProvider#loadUserProperties(org.apache.sling.api.SlingHttpServletRequest,
     *      java.util.Map)
     */
    public void loadUserProperties(SlingHttpServletRequest request, Map<String, String> propertiesMap) {
        try {
            final String user = request.getRemoteUser();
            final Session session = StorageClientUtils
                    .adaptToSession(request.getResourceResolver().adaptTo(javax.jcr.Session.class));
            final String fullPathToStore = ClientUtils
                    .escapeQueryChars(messagingService.getFullPathToStore(user, session));
            propertiesMap.put(MessageConstants.SEARCH_PROP_MESSAGESTORE, fullPathToStore + "*");

            final RequestParameter usersParam = request.getRequestParameter("_from");
            if (usersParam != null && !usersParam.getString().equals("")) {
                final StringBuilder solr = new StringBuilder(" AND (");
                final String[] users = StringUtils.split(usersParam.getString(), ',');

                solr.append("from:(");
                for (final String u : users) {
                    if ("*".equals(u))
                        continue;
                    solr.append(ClientUtils.escapeQueryChars(u)).append(" OR ");
                    // sql.append("@sakai:from=\"").append(escapeString(u, Query.XPATH))
                    // .append("\" or ");
                }
                solr.append(ClientUtils.escapeQueryChars(user));
                // sql.append("@sakai:from=\"").append(escapeString(user, Query.XPATH))
                // .append("\") or (");
                solr.append(")"); // close from:

                solr.append(" AND to:(");
                for (final String u : users) {
                    if ("*".equals(u))
                        continue;
                    solr.append(ClientUtils.escapeQueryChars(u)).append(" OR ");
                    // sql.append("@sakai:to=\"").append(escapeString(u, Query.XPATH))
                    // .append("\" or ");
                }
                solr.append(ClientUtils.escapeQueryChars(user));
                // sql.append("@sakai:to=\"").append(escapeString(user,
                // Query.XPATH)).append("\"))");
                solr.append(")"); // close to:

                solr.append(")"); // close AND
                propertiesMap.put("_from", solr.toString());
            }

            // convert iso8601jcr to Long for solr query parser
            final RequestParameter t = request.getRequestParameter("t");
            if (t != null && !"".equals(t.getString())) {
                final Date date = DateUtils.parseDate(t.getString(),
                        new String[] { "yyyy-MM-dd'T'HH:mm:ss.SSSZZ" });
                propertiesMap.put("t", String.valueOf(date.getTime()));
            }
        } catch (MessagingException e) {
            LOG.error(e.getLocalizedMessage(), e);
        } catch (ParseException e) {
            LOG.warn(e.getLocalizedMessage(), e);
        }
    }
}