org.b3log.xiaov.service.TuringQueryService.java Source code

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Here is the source code for org.b3log.xiaov.service.TuringQueryService.java

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/*
 * Copyright (c) 2012-2016, b3log.org & hacpai.com
 *
 * 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 org.b3log.xiaov.service;

import java.net.URL;
import java.net.URLEncoder;
import org.apache.commons.lang.StringUtils;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.service.annotation.Service;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.urlfetch.HTTPRequest;
import org.b3log.latke.urlfetch.HTTPResponse;
import org.b3log.latke.urlfetch.URLFetchService;
import org.b3log.latke.urlfetch.URLFetchServiceFactory;
import org.b3log.xiaov.util.XiaoVs;
import org.json.JSONArray;
import org.json.JSONObject;

/**
 * Turing query service.
 *
 * @author <a href="http://88250.b3log.org">Liang Ding</a>
 * @version 1.0.0.0, May 29, 2016
 * @since 1.0.0
 */
@Service
public class TuringQueryService {

    /**
     * Logger.
     */
    private static final Logger LOGGER = Logger.getLogger(TuringQueryService.class.getName());

    /**
     * Turing Robot API.
     */
    private static final String TURING_API = XiaoVs.getString("turing.api");

    /**
     * Turing Robot Key.
     */
    private static final String TURING_KEY = XiaoVs.getString("turing.key");

    /**
     * URL fetch service.
     */
    private static final URLFetchService URL_FETCH_SVC = URLFetchServiceFactory.getURLFetchService();

    /**
     * Chat with Turing Robot.
     *
     * @param userName the specified user name
     * @param msg the specified message
     * @return robot returned message, return {@code null} if not found
     */
    public String chat(final String userName, String msg) {
        if (StringUtils.isBlank(msg)) {
            return null;
        }

        if (msg.startsWith(XiaoVs.QQ_BOT_NAME + " ")) {
            msg = msg.replace(XiaoVs.QQ_BOT_NAME + " ", "");
        }
        if (msg.startsWith(XiaoVs.QQ_BOT_NAME + "")) {
            msg = msg.replace(XiaoVs.QQ_BOT_NAME + "", "");
        }
        if (msg.startsWith(XiaoVs.QQ_BOT_NAME + ",")) {
            msg = msg.replace(XiaoVs.QQ_BOT_NAME + ",", "");
        }
        if (msg.startsWith(XiaoVs.QQ_BOT_NAME)) {
            msg = msg.replace(XiaoVs.QQ_BOT_NAME, "");
        }

        if (StringUtils.isBlank(userName) || StringUtils.isBlank(msg)) {
            return null;
        }

        final HTTPRequest request = new HTTPRequest();
        request.setRequestMethod(HTTPRequestMethod.POST);

        try {
            request.setURL(new URL(TURING_API));

            final String body = "key=" + URLEncoder.encode(TURING_KEY, "UTF-8") + "&info="
                    + URLEncoder.encode(msg, "UTF-8") + "&userid=" + URLEncoder.encode(userName, "UTF-8");
            request.setPayload(body.getBytes("UTF-8"));

            final HTTPResponse response = URL_FETCH_SVC.fetch(request);
            final JSONObject data = new JSONObject(new String(response.getContent(), "UTF-8"));
            final int code = data.optInt("code");

            switch (code) {
            case 40001:
            case 40002:
            case 40007:
                LOGGER.log(Level.ERROR, data.optString("text"));

                return null;
            case 40004:
                return "??~";
            case 100000:
                return data.optString("text");
            case 200000:
                return data.optString("text") + " " + data.optString("url");
            case 302000:
                String ret302000 = data.optString("text") + " ";
                final JSONArray list302000 = data.optJSONArray("list");
                final StringBuilder builder302000 = new StringBuilder();
                for (int i = 0; i < list302000.length(); i++) {
                    final JSONObject news = list302000.optJSONObject(i);
                    builder302000.append(news.optString("article")).append(news.optString("detailurl"))
                            .append("\n\n");
                }

                return ret302000 + " " + builder302000.toString();
            case 308000:
                String ret308000 = data.optString("text") + " ";
                final JSONArray list308000 = data.optJSONArray("list");
                final StringBuilder builder308000 = new StringBuilder();
                for (int i = 0; i < list308000.length(); i++) {
                    final JSONObject news = list308000.optJSONObject(i);
                    builder308000.append(news.optString("name")).append(news.optString("detailurl")).append("\n\n");
                }

                return ret308000 + " " + builder308000.toString();
            default:
                LOGGER.log(Level.WARN, "Turing Robot default return [" + data.toString(4) + "]");
            }
        } catch (final Exception e) {
            LOGGER.log(Level.ERROR, "Chat with Turing Robot failed", e);
        }

        return null;
    }
}