org.openmrs.web.controller.program.StateConversionListController.java Source code

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Here is the source code for org.openmrs.web.controller.program.StateConversionListController.java

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/**
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
 * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
 *
 * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
 * graphic logo is a trademark of OpenMRS Inc.
 */
package org.openmrs.web.controller.program;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
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.ConceptStateConversion;
import org.openmrs.api.APIException;
import org.openmrs.api.ProgramWorkflowService;
import org.openmrs.api.context.Context;
import org.openmrs.web.WebConstants;
import org.springframework.context.support.MessageSourceAccessor;
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 StateConversionListController 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[] conversionIdList = request.getParameterValues("conceptStateConversionId");
            ProgramWorkflowService pws = Context.getProgramWorkflowService();

            StringBuilder success = new StringBuilder("");
            StringBuilder error = new StringBuilder("");
            int numDeleted = 0;

            MessageSourceAccessor msa = getMessageSourceAccessor();
            String deleted = msa.getMessage("general.deleted");
            String notDeleted = msa.getMessage("general.cannot.delete");
            String textConversion = msa.getMessage("Program.conversion");
            String noneDeleted = msa.getMessage("Program.conversion.nonedeleted");
            if (conversionIdList != null) {
                for (String id : conversionIdList) {
                    try {
                        pws.purgeConceptStateConversion(pws.getConceptStateConversion(Integer.valueOf(id)));
                        if (!"".equals(success.toString())) {
                            success.append("<br/>");
                        }
                        success.append(textConversion).append(" ").append(id).append(" ").append(deleted);
                        numDeleted++;
                    } catch (APIException e) {
                        log.warn("Error deleting concept state conversion", e);
                        if (!"".equals(error.toString())) {
                            error.append("<br/>");
                        }
                        error.append(textConversion).append(" ").append(id).append(" ").append(notDeleted);
                    }
                }

                if (numDeleted > 3) {
                    success = new StringBuilder(numDeleted).append(" ").append(deleted);
                }
            } else {
                success.append(noneDeleted);
            }
            view = getSuccessView();
            if (!"".equals(success.toString())) {
                httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, success.toString());
            }
            if (!"".equals(error.toString())) {
                httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, error.toString());
            }
        }

        return new ModelAndView(new RedirectView(view));
    }

    /**
     * This is called prior to displaying a form for the first time. It tells Spring the
     * form/command object to load into the request
     *
     * @see org.springframework.web.servlet.mvc.AbstractFormController#formBackingObject(javax.servlet.http.HttpServletRequest)
     */
    protected Object formBackingObject(HttpServletRequest request) throws ServletException {

        //default empty Object
        List<ConceptStateConversion> conversionList = new ArrayList<ConceptStateConversion>();

        //only fill the Object if the user has authenticated properly
        if (Context.isAuthenticated()) {
            ProgramWorkflowService ps = Context.getProgramWorkflowService();
            conversionList = ps.getAllConceptStateConversions();
        }

        return conversionList;
    }
}