SaveApplicationAnswer.java

/*

    This file is part of OpenMyEWB.

    OpenMyEWB 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.

    OpenMyEWB 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 OpenMyEWB.  If not, see <http://www.gnu.org/licenses/>.

    OpenMyEWB is Copyright 2005-2009 Nicolas Kruchten (nicolas@kruchten.com), Francis Kung, Engineers Without Borders Canada, Michael Trauttmansdorff, Jon Fishbein, David Kadish

*/

package ca.myewb.controllers.actions.ovapps;

import java.util.HashSet;
import java.util.Set;

import org.apache.velocity.context.Context;

import ca.myewb.frame.Message;
import ca.myewb.frame.Controller;
import ca.myewb.frame.RedirectionException;
import ca.myewb.frame.forms.ApplicationQuestionForm;
import ca.myewb.model.ApplicationAnswerModel;
import ca.myewb.model.ApplicationModel;
import ca.myewb.model.ApplicationQuestionModel;
import ca.myewb.model.ApplicationSessionModel;


public class SaveApplicationAnswer extends Controller
{
	public void handle(Context ctx) throws Exception
	{
		urlParams.processParams(new String[] {"sessionid", "questionid"}, new String[] {"-1", "-1"});
		ApplicationQuestionForm form = new ApplicationQuestionForm(path
		                                           + "/actions/SaveApplicationAnswer/"
		                                           + urlParams.get("sessionid")
		                                           + "/" + urlParams.get("questionid"),
		                                           requestParams);

		Message m = form.validate();

		// No messages: changes are valid
		if (m != null)
		{
				throw getValidationException(form, m,
				                             path + "/volunteering/AnswerApplicationQuestion/"
				                             + urlParams.get("sessionid")
	                                         + "/" + urlParams.get("questionid"));
		}
		
		String answer = form.getParameter("Answer");
		
		ApplicationSessionModel session = (ApplicationSessionModel)getAndCheckFromUrl(ApplicationSessionModel.class, "sessionid");
		ApplicationQuestionModel question = (ApplicationQuestionModel)getAndCheckFromUrl(ApplicationQuestionModel.class, "questionid");
		ApplicationModel app = currentUser.getAppForSession(session);
		ApplicationAnswerModel ans = app.getAnswerForQuestion(question);
		
		if(ans == null)
		{
			ans = app.answerQuestion(question, answer);
		}
		else
		{
			ans.setAnswer(answer);
		}
		
		// Leave a message in the session
		setSessionMessage(("Application Answer Saved"));
		
		ApplicationQuestionModel nextQ = session.getNextQuestion(question);

		if(nextQ == null)
		{
			throw new RedirectionException(path + "/volunteering/ApplicationFinished/" + session.getId());
		}
		else 
		{
			throw new RedirectionException(path + "/volunteering/AnswerApplicationQuestion/" + session.getId() + "/" + nextQ.getId());
		}
	}

	public Set<String> invisibleGroups()
	{
		Set<String> s = new HashSet<String>();
		s.add("Users");

		return s;
	}
	
	public String oldName()
	{
		return "SaveApplicationAnswer";
	}
}