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/*
* Juick
* Copyright (C) 2008-2011, Ugnich Anton
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.http.www;
import com.juick.server.AdsQueries;
import com.juick.server.MessagesQueries;
import com.juick.server.TagQueries;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Locale;
import java.util.ResourceBundle;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
*
* @author Ugnich Anton
*/
public class Discover {
private String tagsHTML = null;
protected void doGet(Connection sql, Connection sqlSearch, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
com.juick.User visitor = Utils.getVisitorUser(sql, request);
Locale locale = request.getLocale();
ResourceBundle rb = ResourceBundle.getBundle("Blogs", locale);
String requesturi = request.getRequestURI();
int paramTag = 0;
String paramTagStr = null;
if (requesturi.startsWith("/tag/")) {
paramTagStr = URLDecoder.decode(request.getRequestURI().substring(5), "UTF-8");
paramTag = TagQueries.getTagID(sql, paramTagStr, false);
if (paramTag == 0) {
response.sendError(404);
return;
}
}
int paramBefore = 0;
String paramBeforeStr = request.getParameter("before");
if (paramBeforeStr != null) {
try {
paramBefore = Integer.parseInt(paramBeforeStr);
} catch (NumberFormatException e) {
}
}
String paramSearch = request.getParameter("search");
if (paramSearch != null && paramSearch.length() > 64) {
paramSearch = null;
}
int visitor_uid = visitor != null ? visitor.UID : 0;
String title;
ArrayList<Integer> mids;
String paramShow = request.getParameter("show");
if (paramShow == null) {
if (paramTag > 0) {
title = "*" + Utils.encodeHTML(paramTagStr);
mids = MessagesQueries.getTag(sql, paramTag, visitor_uid, paramBefore, (visitor == null) ? 40 : 20);
} else if (paramSearch != null) {
title = rb.getString("Search") + ": " + Utils.encodeHTML(paramSearch);
mids = MessagesQueries.getSearch(sql, sqlSearch, Utils.encodeSphinx(paramSearch), paramBefore);
} else {
title = rb.getString("Last messages");
mids = MessagesQueries.getAll(sql, visitor_uid, paramBefore);
}
} else if (paramShow.equals("photos")) {
title = rb.getString("With photos");
mids = MessagesQueries.getPhotos(sql, visitor_uid, paramBefore);
} else {
response.sendError(404);
return;
}
response.setContentType("text/html; charset=UTF-8");
PrintWriter out = response.getWriter();
try {
PageTemplates.pageHead(out, title, null);
PageTemplates.pageNavigation(out, locale, visitor, paramSearch);
out.println("<div id=\"topwrapper\">");
out.println("<div id=\"wrapper\">");
out.println("<div id=\"content\">");
if (mids.size() > 0) {
int ad_mid = 0;
if (visitor != null && paramShow == null && paramTag == 0 && paramSearch == null) {
ad_mid = AdsQueries.getAdMID(sql, visitor.UID);
if (ad_mid > 0 && mids.indexOf(ad_mid) == -1) {
mids.add(0, ad_mid);
AdsQueries.logAdMID(sql, visitor.UID, ad_mid);
} else {
ad_mid = 0;
}
}
out.println("<ul>");
PageTemplates.printMessages(out, sql, null, mids, visitor, locale, visitor == null ? 2 : 3, ad_mid);
out.println("</ul>");
}
if (visitor != null) {
if (mids.size() >= 20) {
String nextpage = "?before=" + mids.get(mids.size() - 1);
if (paramShow != null) {
nextpage += "&show=" + paramShow;
}
if (paramSearch != null) {
nextpage += "&search=" + URLEncoder.encode(paramSearch, "UTF-8");
}
out.println("<p class=\"page\"><a href=\"" + nextpage + "\">Older →</a></p>");
}
} else {
out.println("<p class=\"page\"><a href=\"/\">" + rb.getString("LoginToReadMore") + "</a></p>");
}
PageTemplates.pageFooter(request, out, locale, visitor, true);
out.println("</div>");
out.println("</div>"); // wrapper
if (tagsHTML == null) {
tagsHTML = getTags(sql, 60);
}
out.println("<div id=\"column\" class=\"abs\">");
out.println(" <ul>");
out.println(" <li><a href=\"/discover\">" + rb.getString("All messages") + "</a></li>");
out.println(" <li><a href=\"/discover?show=photos\">" + rb.getString("With photos") + "</a></li>");
out.println(" </ul>");
out.println(" <hr/>");
out.println(" <p>" + tagsHTML + "</p>");
out.println("</div>");
out.println("</div>"); // topwrapper
PageTemplates.pageDialogTemplate(out, locale);
PageTemplates.pageEnd(out);
} finally {
out.close();
}
}
private String getTags(Connection sql, int cnt) {
String ret = "";
com.juick.Tag tags[] = new com.juick.Tag[cnt];
int maxUsageCnt = 0;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT tags.name AS name,COUNT(DISTINCT messages.user_id) AS cnt FROM (messages INNER JOIN messages_tags ON (messages.ts>TIMESTAMPADD(MONTH,-1,NOW()) AND messages.message_id=messages_tags.message_id)) INNER JOIN tags ON messages_tags.tag_id=tags.tag_id WHERE tags.tag_id NOT IN (SELECT tag_id FROM tags_ignore) GROUP BY tags.tag_id ORDER BY cnt DESC LIMIT ?");
stmt.setInt(1, cnt);
rs = stmt.executeQuery();
rs.beforeFirst();
cnt = 0;
while (rs.next()) {
tags[cnt] = new com.juick.Tag();
tags[cnt].Name = rs.getString(1);
tags[cnt].UsageCnt = rs.getInt(2);
if (tags[cnt].UsageCnt > maxUsageCnt) {
maxUsageCnt = tags[cnt].UsageCnt;
}
cnt++;
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
Arrays.sort(tags, 0, cnt);
for (int i = 0; i < cnt; i++) {
String tag = Utils.encodeHTML(tags[i].Name);
try {
tag = "<a href=\"/tag/" + URLEncoder.encode(tags[i].Name, "UTF-8") + "\">" + tag + "</a>";
} catch (UnsupportedEncodingException e) {
}
if (tags[i].UsageCnt > maxUsageCnt / 3 * 2) {
ret += "<big>" + tag + "</big> ";
} else if (tags[i].UsageCnt > maxUsageCnt / 3) {
ret += "<small>" + tag + "</small> ";
} else {
ret += tag + " ";
}
}
return ret;
}
}
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