text: /**
   * Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
   *
   * 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.onebusaway.twilio.actions.bookmarks;
  
  import java.util.List;
  
  import org.apache.struts2.convention.annotation.Result;
  import org.apache.struts2.convention.annotation.Results;
  import org.onebusaway.presentation.model.BookmarkWithStopsBean;
  import org.onebusaway.twilio.actions.Messages;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  @Results({
    @Result(name="back", type="redirectAction", params={"namespace", "/", "actionName", "index"}),
    @Result(name="arrival-and-departure-for-stop-id", type="chain",
        params={"From", "${phoneNumber}", "namespace", "/stops", "actionName", "arrivals-and-departures-for-stop-id"})
  })
  public class IndexAction extends AbstractBookmarkAction {
  
    private static Logger _log = LoggerFactory.getLogger(IndexAction.class);
    
    @Override
    public String execute() throws Exception {
      _log.debug("in bookmark execute! with input=" + getInput());
      
      // Check for "back" action
      if (PREVIOUS_MENU_ITEM.equals(getInput())) {
        return "back";
      }
  
      
      // if we have input (other than "back"), assume its the index of the bookmark
      if (getInput() != null) {
        clearNextAction();
        setSelection();
        return "arrival-and-departure-for-stop-id";
      }
      
      // no input, look for bookmarks
      List<BookmarkWithStopsBean> bookmarks = _bookmarkPresentationService.getBookmarksWithStops(_currentUser.getBookmarks());
      logUserInteraction();
  
  
      if (bookmarks == null || bookmarks.isEmpty()) {
        addMessage(Messages.BOOKMARKS_EMPTY);
        addMessage(Messages.HOW_TO_GO_BACK);
        addMessage(Messages.TO_REPEAT);
      } else {
        populateBookmarks(bookmarks, Messages.FOR);
      }
      
      setNextAction("bookmarks/index");
      return INPUT;
    }
  
  }
  