PointInitProcessor.java

/*
 * Symphony - A modern community (forum/SNS/blog) platform written in Java.
 * Copyright (C) 2012-2017,  b3log.org & hacpai.com
 *
 * This program 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.b3log.symphony.dev;

import org.b3log.latke.Keys;
import org.b3log.latke.ioc.inject.Inject;
import org.b3log.latke.repository.*;
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.util.CollectionUtils;
import org.b3log.symphony.model.Pointtransfer;
import org.b3log.symphony.model.UserExt;
import org.b3log.symphony.repository.PointtransferRepository;
import org.b3log.symphony.repository.UserRepository;
import org.b3log.symphony.util.Symphonys;
import org.json.JSONArray;
import org.json.JSONObject;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.List;

/**
 * Generates init pointtransfer record for existing users.
 *
 * @author <a href="http://88250.b3log.org">Liang Ding</a>
 * @version 1.0.0.1, Mar 8, 2016
 * @since 1.3.0
 */
@RequestProcessor
public class PointInitProcessor {

    /**
     * User repository.
     */
    @Inject
    private UserRepository userRepository;

    /**
     * Pointtransfer repository.
     */
    @Inject
    private PointtransferRepository pointtransferRepository;

    /**
     * Generates init pointtransfer record for existing users.
     *
     * @param context the specified context
     * @param request the specified request
     * @param response the specified response
     * @throws Exception exception
     */
    @RequestProcessing(value = "/dev/pointtransfer/gen", method = HTTPRequestMethod.GET)
    public void genInitPointtransferRecords(final HTTPRequestContext context,
            final HttpServletRequest request, final HttpServletResponse response)
            throws Exception {
        final String key = request.getParameter("key");
        if (!Symphonys.get("keyOfSymphony").equals(key)) {
            return;
        }

        final JSONObject result = userRepository.get(new Query());
        final List<JSONObject> users = CollectionUtils.jsonArrayToList(result.optJSONArray(Keys.RESULTS));

        final Transaction transaction = pointtransferRepository.beginTransaction();
        try {
            for (final JSONObject user : users) {
                final String userId = user.optString(Keys.OBJECT_ID);

                final List<Filter> filters = new ArrayList<Filter>();
                filters.add(new PropertyFilter(Pointtransfer.FROM_ID, FilterOperator.EQUAL, userId));
                filters.add(new PropertyFilter(Pointtransfer.FROM_ID, FilterOperator.EQUAL, userId));

                final Query query = new Query().setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters));
                final JSONArray records = pointtransferRepository.get(query).optJSONArray(Keys.RESULTS);

                int usedPoint = 0;
                for (int i = 0; i < records.length(); i++) {
                    final int sum = records.getJSONObject(i).optInt(Pointtransfer.SUM);
                    usedPoint += sum;
                }

                user.put(UserExt.USER_USED_POINT, usedPoint);

                userRepository.update(userId, user);
            }

            transaction.commit();
        } catch (final Exception e) {
            if (transaction.isActive()) {
                transaction.rollback();
            }

            throw e;
        }

        response.sendRedirect("/");
    }
}