/*
* Copyright (c) 2010-2017, 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.solo.processor;
import org.b3log.latke.Keys;
import org.b3log.latke.Latkes;
import org.b3log.latke.RuntimeEnv;
import org.b3log.latke.ioc.inject.Inject;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.model.Pagination;
import org.b3log.latke.model.User;
import org.b3log.latke.servlet.HTTPRequestContext;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.servlet.annotation.RequestProcessing;
import org.b3log.latke.servlet.annotation.RequestProcessor;
import org.b3log.latke.servlet.renderer.JSONRenderer;
import org.b3log.latke.urlfetch.HTTPRequest;
import org.b3log.latke.urlfetch.URLFetchService;
import org.b3log.latke.urlfetch.URLFetchServiceFactory;
import org.b3log.latke.util.MD5;
import org.b3log.latke.util.Strings;
import org.b3log.solo.SoloServletListener;
import org.b3log.solo.model.Article;
import org.b3log.solo.model.Option;
import org.b3log.solo.model.Statistic;
import org.b3log.solo.model.Tag;
import org.b3log.solo.service.*;
import org.json.JSONArray;
import org.json.JSONObject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.net.URL;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Blog processor.
*
* @author <a href="http://88250.b3log.org">Liang Ding</a>
* @version 1.3.0.4, Dec 17, 2015
* @since 0.4.6
*/
@RequestProcessor
public class BlogProcessor {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(BlogProcessor.class.getName());
/**
* Article query service.
*/
@Inject
private ArticleQueryService articleQueryService;
/**
* Tag query service.
*/
@Inject
private TagQueryService tagQueryService;
/**
* Statistic query service.
*/
@Inject
private StatisticQueryService statisticQueryService;
/**
* User query service.
*/
@Inject
private UserQueryService userQueryService;
/**
* Preference query service.
*/
@Inject
private PreferenceQueryService preferenceQueryService;
/**
* URL fetch service.
*/
private final URLFetchService urlFetchService = URLFetchServiceFactory.getURLFetchService();
/**
* Gets blog information.
*
* <ul>
* <li>Time of the recent updated article</li>
* <li>Article count</li>
* <li>Comment count</li>
* <li>Tag count</li>
* <li>Serve path</li>
* <li>Static serve path</li>
* <li>Solo version</li>
* <li>Runtime environment (LOCAL)</li>
* <li>Locale</li>
* </ul>
*
* @param context the specified context
* @throws Exception exception
*/
@RequestProcessing(value = "/blog/info", method = HTTPRequestMethod.GET)
public void getBlogInfo(final HTTPRequestContext context) throws Exception {
final JSONRenderer renderer = new JSONRenderer();
context.setRenderer(renderer);
final JSONObject jsonObject = new JSONObject();
renderer.setJSONObject(jsonObject);
jsonObject.put("recentArticleTime", articleQueryService.getRecentArticleTime());
final JSONObject statistic = statisticQueryService.getStatistic();
jsonObject.put("articleCount", statistic.getLong(Statistic.STATISTIC_PUBLISHED_ARTICLE_COUNT));
jsonObject.put("commentCount", statistic.getLong(Statistic.STATISTIC_PUBLISHED_BLOG_COMMENT_COUNT));
jsonObject.put("tagCount", tagQueryService.getTagCount());
jsonObject.put("servePath", Latkes.getServePath());
jsonObject.put("staticServePath", Latkes.getStaticServePath());
jsonObject.put("version", SoloServletListener.VERSION);
jsonObject.put("locale", Latkes.getLocale());
jsonObject.put("runtimeMode", Latkes.getRuntimeMode());
final RuntimeEnv runtimeEnv = Latkes.getRuntimeEnv();
jsonObject.put("runtimeEnv", runtimeEnv);
if (RuntimeEnv.LOCAL == runtimeEnv) {
jsonObject.put("runtimeDatabase", Latkes.getRuntimeDatabase());
}
}
/**
* Sync user to https://hacpai.com.
*
* @param context the specified context
* @throws Exception exception
*/
@RequestProcessing(value = "/blog/symphony/user", method = HTTPRequestMethod.GET)
public void syncUser(final HTTPRequestContext context) throws Exception {
final JSONRenderer renderer = new JSONRenderer();
context.setRenderer(renderer);
final JSONObject jsonObject = new JSONObject();
renderer.setJSONObject(jsonObject);
if (Latkes.getServePath().contains("localhost")) {
return;
}
final JSONObject preference = preferenceQueryService.getPreference();
if (null == preference) {
return; // not init yet
}
final HTTPRequest httpRequest = new HTTPRequest();
httpRequest.setURL(new URL(SoloServletListener.B3LOG_SYMPHONY_SERVE_PATH + "/apis/user"));
httpRequest.setRequestMethod(HTTPRequestMethod.POST);
final JSONObject requestJSONObject = new JSONObject();
final JSONObject admin = userQueryService.getAdmin();
requestJSONObject.put(User.USER_NAME, admin.getString(User.USER_NAME));
requestJSONObject.put(User.USER_EMAIL, admin.getString(User.USER_EMAIL));
requestJSONObject.put(User.USER_PASSWORD, admin.getString(User.USER_PASSWORD));
requestJSONObject.put("userB3Key", preference.optString(Option.ID_C_KEY_OF_SOLO));
requestJSONObject.put("clientHost", Latkes.getServePath());
httpRequest.setPayload(requestJSONObject.toString().getBytes("UTF-8"));
urlFetchService.fetchAsync(httpRequest);
}
/**
* Gets tags of all articles.
*
* <pre>
* {
* "data": [
* ["tag1", "tag2", ....], // tags of one article
* ["tagX", "tagY", ....], // tags of another article
* ....
* ]
* }
* </pre>
*
* @param context the specified context
* @param request the specified HTTP servlet request
* @param response the specified HTTP servlet response
* @throws Exception io exception
*/
@RequestProcessing(value = "/blog/articles-tags", method = HTTPRequestMethod.GET)
public void getArticlesTags(final HTTPRequestContext context, final HttpServletRequest request, final HttpServletResponse response)
throws Exception {
final String pwd = request.getParameter("pwd");
if (Strings.isEmptyOrNull(pwd)) {
response.sendError(HttpServletResponse.SC_FORBIDDEN);
return;
}
final JSONObject admin = userQueryService.getAdmin();
if (!MD5.hash(pwd).equals(admin.getString(User.USER_PASSWORD))) {
response.sendError(HttpServletResponse.SC_FORBIDDEN);
return;
}
final JSONObject requestJSONObject = new JSONObject();
requestJSONObject.put(Pagination.PAGINATION_CURRENT_PAGE_NUM, 1);
requestJSONObject.put(Pagination.PAGINATION_PAGE_SIZE, Integer.MAX_VALUE);
requestJSONObject.put(Pagination.PAGINATION_WINDOW_SIZE, Integer.MAX_VALUE);
requestJSONObject.put(Article.ARTICLE_IS_PUBLISHED, true);
final JSONArray excludes = new JSONArray();
excludes.put(Article.ARTICLE_CONTENT);
excludes.put(Article.ARTICLE_UPDATE_DATE);
excludes.put(Article.ARTICLE_CREATE_DATE);
excludes.put(Article.ARTICLE_AUTHOR_EMAIL);
excludes.put(Article.ARTICLE_HAD_BEEN_PUBLISHED);
excludes.put(Article.ARTICLE_IS_PUBLISHED);
excludes.put(Article.ARTICLE_RANDOM_DOUBLE);
requestJSONObject.put(Keys.EXCLUDES, excludes);
final JSONObject result = articleQueryService.getArticles(requestJSONObject);
final JSONArray articles = result.optJSONArray(Article.ARTICLES);
final JSONRenderer renderer = new JSONRenderer();
context.setRenderer(renderer);
final JSONObject ret = new JSONObject();
renderer.setJSONObject(ret);
final JSONArray data = new JSONArray();
ret.put("data", data);
for (int i = 0; i < articles.length(); i++) {
final JSONObject article = articles.optJSONObject(i);
final String tagString = article.optString(Article.ARTICLE_TAGS_REF);
final JSONArray tagArray = new JSONArray();
data.put(tagArray);
final String[] tags = tagString.split(",");
for (final String tag : tags) {
final String trim = tag.trim();
if (!Strings.isEmptyOrNull(trim)) {
tagArray.put(tag);
}
}
}
}
/**
* Gets interest tags (top 10 and bottom 10).
*
* <pre>
* {
* "data": ["tag1", "tag2", ....]
* }
* </pre>
*
* @param context the specified context
* @param request the specified HTTP servlet request
* @param response the specified HTTP servlet response
* @throws Exception io exception
*/
@RequestProcessing(value = "/blog/interest-tags", method = HTTPRequestMethod.GET)
public void getInterestTags(final HTTPRequestContext context, final HttpServletRequest request, final HttpServletResponse response)
throws Exception {
final JSONRenderer renderer = new JSONRenderer();
context.setRenderer(renderer);
final JSONObject ret = new JSONObject();
renderer.setJSONObject(ret);
final Set<String> tagTitles = new HashSet<>();
final List<JSONObject> topTags = tagQueryService.getTopTags(10);
for (final JSONObject topTag : topTags) {
tagTitles.add(topTag.optString(Tag.TAG_TITLE));
}
final List<JSONObject> bottomTags = tagQueryService.getBottomTags(10);
for (final JSONObject bottomTag : bottomTags) {
tagTitles.add(bottomTag.optString(Tag.TAG_TITLE));
}
ret.put("data", tagTitles);
}
}