CommandGoogle.java

/*
 * This file is part of Foxbot.
 *
 *     Foxbot is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     Foxbot 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 General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with Foxbot. If not, see <http://www.gnu.org/licenses/>.
 */

package co.foxdev.foxbot.commands;

import co.foxdev.foxbot.FoxBot;
import co.foxdev.foxbot.utils.Utils;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONArray;
import org.json.JSONObject;
import org.jsoup.Connection;
import org.jsoup.Jsoup;
import org.pircbotx.Channel;
import org.pircbotx.User;
import org.pircbotx.hooks.events.MessageEvent;

import java.io.IOException;

public class CommandGoogle extends Command
{
    private final FoxBot foxbot;

    /**
     * Performs a Google search and sends the first result to the channel.
     * <p/>
     * Usage: .google <search term>
     */
    public CommandGoogle(FoxBot foxbot)
    {
        super("google", "command.google", "g");
        this.foxbot = foxbot;
    }

    @Override
    public void execute(MessageEvent event, String[] args)
    {
        User sender = event.getUser();
        Channel channel = event.getChannel();

        if (args.length != 0)
        {
            String query = StringUtils.join(args, " ");
            String address = "http://ajax.googleapis.com/ajax/services/search/web?v=1.0&q=" + query;
            Connection conn = Jsoup.connect(address).ignoreContentType(true).followRedirects(true).timeout(1000);
            JSONObject jsonObject;

            try
            {
                jsonObject = new JSONObject(conn.get().text());
            }
            catch (IOException ex)
            {
                foxbot.getLogger().error("Error occurred while performing Google search", ex);
                channel.send().message(Utils.colourise(String.format("(%s) &cSomething went wrong...", Utils.munge(sender.getNick()))));
                return;
            }

            JSONArray jsonArray = jsonObject.getJSONObject("responseData").getJSONArray("results");

            if (jsonArray.length() == 0)
            {
                channel.send().message(Utils.colourise(String.format("(%s) &cNo results found!", Utils.munge(sender.getNick()))));
                return;
            }

            JSONObject result = jsonArray.getJSONObject(0);
            String resultCount = jsonObject.getJSONObject("responseData").getJSONObject("cursor").getString("resultCount");
            String title = result.getString("titleNoFormatting");
            String url = result.getString("unescapedUrl");
            channel.send().message(Utils.colourise(String.format("(%s's Google Search) &2Title: &r%s &2URL: &r%s &2Results: &r%s", Utils.munge(sender.getNick()), StringEscapeUtils.unescapeHtml4(title), url,
                                                   resultCount)));
            return;
        }

        sender.send().notice(String.format("Wrong number of args! Use %sgoogle <query>", foxbot.getConfig().getCommandPrefix()));
    }
}