/*
 * Aipo is a groupware program developed by Aimluck,Inc.
 * Copyright (C) 2004-2008 Aimluck,Inc.
 * http://aipostyle.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 com.aimluck.eip.modules.screens;

import java.util.ArrayList;
import java.util.List;

import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.SelectQuery;
import org.apache.jetspeed.portal.portlets.VelocityPortlet;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.turbine.util.RunData;
import org.apache.velocity.context.Context;

import com.aimluck.commons.field.ALNumberField;
import com.aimluck.eip.cayenne.om.portlet.EipTWhatsNew;
import com.aimluck.eip.cayenne.om.security.TurbineUser;
import com.aimluck.eip.common.ALEipConstants;
import com.aimluck.eip.orm.DatabaseOrmService;
import com.aimluck.eip.util.ALEipUtils;
import com.aimluck.eip.whatsnew.WhatsNewSelectData;

/**
 * 新着情報の一覧を処理するクラスです。 <br />
 *
 */
public class WhatsNewScreen extends ALVelocityScreen {
  /** logger */
  private static final JetspeedLogger logger = JetspeedLogFactoryService
      .getLogger(WhatsNewScreen.class.getName());

  /**
   * @see org.apache.turbine.modules.screens.RawScreen#doOutput(org.apache.turbine.util.RunData)
   */
  @Override
  protected void doOutput(RunData rundata, Context context) throws Exception {

    VelocityPortlet portlet = ALEipUtils.getPortlet(rundata, context);
    String mode = rundata.getParameters().getString(ALEipConstants.MODE);
    try {

      if ("update".equals(mode)) {
        updateState(rundata, context, portlet);
      }

      // 選択しているタブ情報の削除
      ALEipUtils.removeTemp(rundata, context, "tab");

      WhatsNewSelectData listData = new WhatsNewSelectData();
      listData.initField();
      listData.setViewNum(Integer.parseInt(portlet.getPortletConfig()
          .getInitParameter("p2a-rows")));
      listData.doViewList(this, rundata, context);

      String layout_template = "portlets/html/ja/ajax-whatsnew.vm";
      setTemplate(rundata, context, layout_template);

    } catch (Exception ex) {
      logger.error("[WhatsNewScreen] Exception.", ex);
      ALEipUtils.redirectDBError(rundata);
    }
  }

  protected void updateState(RunData rundata, Context context,
      VelocityPortlet portlet) {
    // エラーメッセージ
    ArrayList msgList = new ArrayList();
    ALNumberField state = new ALNumberField();
    state.setFieldName("状態");
    // 0 から 100 まで
    state.limitValue(0, 100);
    // 必須項目
    state.setNotNull(true);
    if (rundata.getParameters().containsKey("state")) {
      state.setValue(rundata.getParameters().getString("state"));
    } else {
      // TODO エラーページへリダイレクト
      return;
    }

    ALNumberField eid = new ALNumberField();
    state.setFieldName("entity id");
    eid.setNotNull(true);
    if (rundata.getParameters().containsKey("entityid")) {
      eid.setValue(rundata.getParameters().getString("entityid"));
    } else {
      // TODO エラーページへリダイレクト or ページ変更
      return;
    }

    int value = (int) state.getValue();
    // 0以上100以下で、10の倍数
    boolean isValid = (value % 10 == 0 && state.validate(msgList) && eid
        .validate(msgList));

    if (!isValid) {
      // TODO エラーページへリダイレクト or ページ変更
      return;
    }

    try {
      DataContext dataContext = DatabaseOrmService.getInstance()
          .getDataContext();

      SelectQuery query = new SelectQuery(EipTWhatsNew.class);
      Expression exp1 = ExpressionFactory.matchDbExp(
          TurbineUser.USER_ID_PK_COLUMN, Integer.valueOf(ALEipUtils
              .getUserId(rundata)));
      query.setQualifier(exp1);

      List list = dataContext.performQuery(query);
      if (list == null || list.size() == 0)
        return;

      // EipTWhatsNew whatsnew = (EipTWhatsNew) list.get(0);
      dataContext.commitChanges();

    } catch (Exception ex) {
      logger.error(ex);
      return;
    }
  }
}
