/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.web.controller.concept;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.Concept;
import org.openmrs.api.context.Context;
import org.openmrs.web.WebConstants;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;

public class ConceptSetDerivedFormController extends SimpleFormController {
	
	/** Logger for this class and subclasses */
	protected final Log log = LogFactory.getLog(getClass());
	
	/**
	 * The onSubmit function receives the form/command object that was modified by the input form
	 * and saves it to the db
	 * 
	 * @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse, java.lang.Object,
	 *      org.springframework.validation.BindException)
	 */
	protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object obj,
	                                BindException errors) throws Exception {
		
		HttpSession httpSession = request.getSession();
		
		String view = getFormView();
		
		if (Context.isAuthenticated()) {
			String s = request.getParameter("conceptId");
			if (s != null && !s.equals("")) {
				Concept c = Context.getConceptService().getConcept(Integer.valueOf(s));
				if (c != null)
					Context.getConceptService().updateConceptSetDerived(c);
			} else {
				Context.getConceptService().updateConceptSetDerived();
			}
			view = getSuccessView();
			httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "ConceptSetDerived.updated");
		}
		
		return new ModelAndView(new RedirectView(view));
	}
}