package org.tgdb.webapp.action.model;

import org.tgdb.form.FormDataManager;
import org.tgdb.TgDbCaller;
import org.tgdb.TgDbFormDataManagerFactory;
import org.tgdb.exceptions.ApplicationException;
import org.tgdb.webapp.action.TgDbAction;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

/**
 *
 * @author lami
 */
public class RemoveReferenceAction extends TgDbAction {
    
    /**
     * Creates a new instance of RemoveReferenceAction 
     */
    public RemoveReferenceAction() {
    }
    
    /**
     * Returns the name of this action
     * @return The name of the action
     */
    public String getName() {
        return "RemoveReferenceAction";
    }
    
    /**
     * Performs the action
     * @param request The http request object
     * @param context The servlet context
     * @throws org.tgdb.exceptions.ApplicationException If the action could not be performed
     * @return True if the action could be performed
     */
    public boolean performAction(HttpServletRequest request, ServletContext context) throws ApplicationException {
        try {
            HttpSession session = request.getSession();
            TgDbCaller _caller = (TgDbCaller)session.getAttribute("caller");                        
            FormDataManager formDataManager = getFormDataManager(
                    TgDbFormDataManagerFactory.EXPMODEL, 
                    TgDbFormDataManagerFactory.WEB_FORM, 
                    request); 
            
            //Workflow wf = (Workflow)request.getAttribute("workflow");
            
            String refid = request.getParameter("refid");//wf.getAttribute("refid");
            String eid = formDataManager.getValue("eid");

            modelManager.removeReference(Integer.parseInt(eid), Integer.parseInt(refid), _caller);
            
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            if(e instanceof ApplicationException)
                throw new ApplicationException(e.getMessage());                
        }
        
        return false; 
    }
}