/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed 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 com.google.walkaround.wave.server.inbox;
import com.google.gxp.base.GxpContext;
import com.google.gxp.html.HtmlClosure;
import com.google.inject.Inject;
import com.google.walkaround.slob.shared.SlobId;
import com.google.walkaround.util.server.appengine.CheckedDatastore;
import com.google.walkaround.util.server.auth.InvalidSecurityTokenException;
import com.google.walkaround.util.server.servlet.AbstractHandler;
import com.google.walkaround.util.server.servlet.BadRequestException;
import com.google.walkaround.wave.server.Flag;
import com.google.walkaround.wave.server.FlagName;
import com.google.walkaround.wave.server.WaveletCreator;
import com.google.walkaround.wave.server.auth.XsrfHelper;
import com.google.walkaround.wave.server.auth.XsrfHelper.XsrfTokenExpiredException;
import com.google.walkaround.wave.server.gxp.InboxDisplayRecord;
import com.google.walkaround.wave.server.gxp.InboxFragment;
import com.google.walkaround.wave.server.gxp.NoSkin;
import com.google.walkaround.wave.server.servlet.PageSkinWriter;
import com.google.walkaround.wave.server.util.RequestUtil;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;
import java.util.logging.Logger;
/**
* Lists waves relevant to the user.
*
* @author ohler@google.com (Christian Ohler)
*/
public class InboxHandler extends AbstractHandler {
private static final int RESULTS_PER_PAGE = 30;
@SuppressWarnings("unused")
private static final Logger log = Logger.getLogger(InboxHandler.class.getName());
private static final String XSRF_ACTION = "inboxaction";
private static final String DEFAULT_QUERY = "in:inbox";
@Inject XsrfHelper xsrfHelper;
@Inject CheckedDatastore datastore;
@Inject Searcher searcher;
@Inject WaveletCreator waveletCreator;
@Inject @Flag(FlagName.ANALYTICS_ACCOUNT) String analyticsAccount;
@Inject PageSkinWriter pageSkinWriter;
@Inject @Flag(FlagName.ANNOUNCEMENT_HTML) String announcementHtml;
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
resp.setHeader("Cache-Control", "no-store, must-revalidate");
resp.setContentType("text/html");
resp.setCharacterEncoding("UTF-8");
String query = req.getParameter("q");
int page;
try {
String pageParam = req.getParameter("page");
page = pageParam == null ? 0 : Integer.parseInt(pageParam);
} catch (NumberFormatException e) {
page = 0;
}
if (query == null || query.trim().isEmpty()) {
query = DEFAULT_QUERY;
}
String displayQuery = query.equals(DEFAULT_QUERY) ? "" : query;
List<InboxDisplayRecord> waveRecords = searcher.searchWaves(query,
page * RESULTS_PER_PAGE, RESULTS_PER_PAGE);
boolean embedded = "true".equals(req.getParameter("embedded"));
NoSkin.write(resp.getWriter(), new GxpContext(getLocale(req)),
"Walkaround", analyticsAccount,
InboxFragment.getGxpClosure(xsrfHelper.createToken(XSRF_ACTION), displayQuery,
embedded, embedded ? "wave" : "", waveRecords,
// Only show announcement if mobile.
RequestUtil.isMobile(req) ? announcementHtml() : null,
page));
}
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
try {
xsrfHelper.verify(XSRF_ACTION, requireParameter(req, "token"));
} catch (XsrfTokenExpiredException e) {
throw new BadRequestException(e);
} catch (InvalidSecurityTokenException e) {
throw new BadRequestException(e);
}
String action = requireParameter(req, "action");
if ("newwave".equals(action)) {
SlobId newWaveId = waveletCreator.newConvWithGeneratedId(null, null, false);
// TODO(ohler): Send 303, not 302. See
// http://en.wikipedia.org/wiki/Post/Redirect/Get .
resp.sendRedirect(Searcher.makeWaveLink(newWaveId));
} else {
throw new BadRequestException("Unknown action: " + action);
}
}
private HtmlClosure announcementHtml() {
return announcementHtml.isEmpty()
? null
: new HtmlClosure() {
@Override public void write(Appendable out, GxpContext context) throws IOException {
out.append(announcementHtml);
}
};
}
}