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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.www;
import com.mitchellbosecke.pebble.error.PebbleException;
import com.mitchellbosecke.pebble.template.PebbleTemplate;
import org.springframework.jdbc.core.JdbcTemplate;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.Map;
/**
*
* @author Ugnich Anton
*/
public class Help {
protected void doRedirectToHelpIndex(HttpServletResponse response) throws ServletException, IOException {
Utils.sendTemporaryRedirect(response, "/help/ru/");
}
protected void doGetHelp(JdbcTemplate sql, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, PebbleException, URISyntaxException {
com.juick.User visitor = Utils.getVisitorUser(sql, request, response);
String path[] = request.getRequestURI().split("/");
String page;
if (path.length < 3 || path.length > 4 || path[2].length() != 2 || !path[2].matches("^[a-z]+$")) {
Errors.doGet404(sql, request, response);
return;
}
if (path.length == 4) {
page = path[3];
if (!page.matches("^[a-zA-Z0-9\\-]*$") || page.equals("navigation") || page.equals("index")) {
Errors.doGet404(sql, request, response);
return;
}
} else {
page = "index";
}
URL f = getClass().getResource("/help/" + path[2] + "/" + page);
if (f == null) {
Errors.doGet404(sql, request, response);
return;
}
response.setContentType("text/html; charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
PebbleTemplate template = Utils.getEngine().getTemplate("views/help.html");
Map<String, Object> context = new HashMap<>();
context.put("title", "Помощь");
context.put("visitor", visitor);
context.put("content", new String(Files.readAllBytes(Paths.get(f.toURI()))));
context.put("navigation", new String(Files.readAllBytes(
new File(getClass().getResource("/help/" + path[2] + "/navigation").toURI()).toPath())));
template.evaluate(out, context);
}
}
}
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