/*
    * Copyright 2004 Carlos Sanchez.
    *
    * 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 net.sf.oness.inventory.webapp.controller.action;
  
  import java.util.Collection;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import net.sf.oness.common.model.util.PaginatedList;
  import net.sf.oness.common.webapp.controller.action.ActionUtils;
  import net.sf.oness.common.webapp.controller.action.AutoDispatchAction;
  import net.sf.oness.common.webapp.controller.util.ConvertUtils;
  import net.sf.oness.common.webapp.controller.util.NonEmptyStringConverter;
  import net.sf.oness.inventory.model.facade.InventoryFacadeDelegate;
  import net.sf.oness.inventory.model.product.bo.Model;
  
  import org.apache.commons.beanutils.BeanUtils;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.apache.struts.action.DynaActionForm;
  
  /***
   * Model actions
   * 
   * @author Carlos Sanchez
   * @version $Revision: 1.8 $
   */
  public class ModelAction extends AutoDispatchAction {
  
      /***
       * Create a model.
       * 
       * @param mapping
       * @param actionForm
       * @param request
       * @param response
       * @return ActionForward success
       * @throws Exception
       */
      public ActionForward create(ActionMapping mapping, ActionForm actionForm,
              HttpServletRequest request, HttpServletResponse response)
              throws Exception {
  
          Model model = new Model();
          BeanUtils.copyProperties(model, actionForm);
          model.setId(null);
          model = getFacade().createModel(model, getSizeGroupId(actionForm),
                  getColorIds(actionForm));
          showModel(request, model);
  
          /* Return ActionForward. */
          return mapping.findForward("success");
      }
  
      /***
       * Update a model.
       * 
       * @param mapping
       * @param actionForm
       * @param request
       * @param response
       * @return ActionForward success
       * @throws Exception
       */
      public ActionForward update(ActionMapping mapping, ActionForm actionForm,
              HttpServletRequest request, HttpServletResponse response)
              throws Exception {
  
          Model model = new Model();
          BeanUtils.copyProperties(model, actionForm);
          showModel(request, getFacade().updateModel(model));
          return mapping.findForward("success");
      }
  
      /***
       * Find a model.
       * 
       * @param mapping
       * @param actionForm
       * @param request
       * @param response
       * @return ActionForward success
       * @throws Exception
       */
     public ActionForward find(ActionMapping mapping, ActionForm actionForm,
             HttpServletRequest request, HttpServletResponse response)
             throws Exception {
 
         Model model = new Model();
         NonEmptyStringConverter.register();
         BeanUtils.copyProperties(model, actionForm);
         NonEmptyStringConverter.deregister();
         int firstElement = ActionUtils.getFirstElement(request);
         int maxElements = ActionUtils.getMaxElements(request);
 
         PaginatedList results = getFacade().findModel(model, firstElement,
                 maxElements);
 
         ActionUtils.setIteratorPageParameters(results, request);
 
         /* Return ActionForward. */
         return mapping.findForward("success");
     }
 
     /***
      * Show a model.
      * 
      * @param mapping
      * @param actionForm
      * @param request
      * @param response
      * @return ActionForward success
      * @throws Exception
      */
     public ActionForward show(ActionMapping mapping, ActionForm actionForm,
             HttpServletRequest request, HttpServletResponse response)
             throws Exception {
 
         Model model = getFacade().findModelWithDetails(getId(actionForm));
         showModel(request, model);
 
         return mapping.findForward("success");
     }
 
     /***
      * Edit a model.
      * 
      * @param mapping
      * @param actionForm
      * @param request
      * @param response
      * @return ActionForward success
      * @throws Exception
      */
     public ActionForward edit(ActionMapping mapping, ActionForm actionForm,
             HttpServletRequest request, HttpServletResponse response)
             throws Exception {
 
         Model model = getFacade().findModel(getId(actionForm));
         BeanUtils.copyProperties(actionForm, model);
         return mapping.findForward("success");
     }
 
     /***
      * Delete a model.
      * 
      * @param mapping
      * @param actionForm
      * @param request
      * @param response
      * @return ActionForward success
      * @throws Exception
      */
     public ActionForward delete(ActionMapping mapping, ActionForm actionForm,
             HttpServletRequest request, HttpServletResponse response)
             throws Exception {
 
         getFacade().deleteModel(getId(actionForm));
         return mapping.findForward("success");
     }
 
     private InventoryFacadeDelegate getFacade() {
         return (InventoryFacadeDelegate) getBean("inventoryFacadeDelegate");
     }
 
     private Long getId(ActionForm actionForm) throws Exception {
         DynaActionForm form = (DynaActionForm) actionForm;
         return new Long((String) form.get("id"));
     }
 
     private Long getSizeGroupId(ActionForm actionForm) {
         return new Long((String) getDynaProperty(actionForm, "sizeGroupId"));
     }
 
     private Collection getColorIds(ActionForm actionForm) {
         return ConvertUtils.toLong((String[]) getDynaProperty(actionForm,
                 "colorIds"));
     }
 
     private void showModel(HttpServletRequest request, Model model) {
         request.setAttribute("model", model);
         request.setAttribute("productsSize", Integer.toString(model
                 .getProducts().size()));
     }
 
 }