PetCatalogPortlet.java

package kz.bsbnb.petcatalog.portlet;

import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletRequest;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.CalendarFactoryUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.security.permission.ActionKeys;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portal.service.ServiceContextFactory;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;

import kz.bsbnb.petcatalog.model.Pet;
import kz.bsbnb.petcatalog.service.PetLocalServiceUtil;

public class PetCatalogPortlet extends MVCPortlet {
    // в начале класса всегда определяем логгер log
    private static final Log log = LogFactoryUtil.getLog(PetCatalogPortlet.class.getName());

    // пути на JSP сохраняем в константах
    public static final String PORTLET_PATH = "/html/petcatalog/";
    public static final String VIEW_JSP = PORTLET_PATH + "view.jsp";
    public static final String EDIT_PET_JSP = PORTLET_PATH + "edit-pet.jsp";
    public static final String VIEW_PET_JSP = PORTLET_PATH + "view-pet.jsp";

    // перечисляем используемые параметры и аттрибуты
    public static final String PARAM_PET = "pet";
    public static final String PARAM_PET_ID = "petId";
    public static final String PARAM_PETS = "pets";
    public static final String PARAM_PETS_COUNT = "petsCount";


    public void updatePet(ActionRequest request, ActionResponse response) {
        ThemeDisplay themeDisplay = getThemeDisplay(request);
        String redirect = ParamUtil.getString(request, WebKeys.REDIRECT);
        long petId = ParamUtil.getLong(request, PARAM_PET_ID);

        String name = ParamUtil.getString(request, "name");
        String description = ParamUtil.getString(request, "description");
        Double price = ParamUtil.getDouble(request, "price");
        Date birthday = getDateFromRequest(request, "birthday");

        try {
            ServiceContext serviceContext = ServiceContextFactory.getInstance(Pet.class.getName(), request);

            Pet pet = null;
            // определяем - был ли передан ID объекта или нет
            // если нет - значит мы добавляем новый объект
            // если да - значит обновляем существующий
            if (petId == 0) {

                log.info("User " + themeDisplay.getUserId() + " attemtps to add new pet");

                pet = PetLocalServiceUtil.addPet(themeDisplay.getCompanyId(),
                        themeDisplay.getScopeGroupId(),
                        themeDisplay.getUserId(),
                        name, description, price, birthday,
                        serviceContext);
            } else {

                log.info("User " + themeDisplay.getUserId() + " attemtps to edit pet " + petId);

                /*
                pet = PetLocalServiceUtil.updatePet(petId,
                        themeDisplay.getUserId(),
                        name, description, price, birthday,
                        serviceContext);
                */

            }

            log.info("Pet " + pet.getPetId() + " added/updated");

            if (StringUtils.isBlank(redirect)) {
                // В случае если redirect пустой- мы должны остаться на той же
                // форме редактирвоания.
                // такое может быть в случае если редактирование было вызвано из
                // asset publisher-а или формы workflow task
                response.setRenderParameter("jspPage", EDIT_PET_JSP);
                response.setRenderParameter(PARAM_PET_ID, String.valueOf(petId));
            }
        } catch (Exception ex) {
            log.error("Cannot add/update pet", ex);
            copyRequestParameters(request, response);
            SessionErrors.add(request, "cannot-add-pet");
        }
    }








    private ThemeDisplay getThemeDisplay(PortletRequest request) {
		return (ThemeDisplay)request.getAttribute(WebKeys.THEME_DISPLAY);
	}

    protected void copyRequestParameters(ActionRequest request, ActionResponse response) {
        // copy parameters from action request to response
        for (Object key : request.getParameterMap().keySet()) {
            String val = request.getParameter((String) key);
            if (val != null && !"image".equals(key) && !((String) key).startsWith("fileName")) {
                response.setRenderParameter((String) key, val);
            }
        }
    }


    /// Get Date From Request
    protected Date getDateFromRequest(PortletRequest request, String prefix) {

        return getDateFromRequest(PortalUtil.getHttpServletRequest(request), prefix);
    }


    protected Date getDateFromRequest(HttpServletRequest request, String prefix) {

        return getDateFromRequest(request, prefix, null);
    }


    protected Date getDateFromRequest(HttpServletRequest request, String prefix, TimeZone timeZone) {
        int month = ParamUtil.getInteger(request, prefix + "Month");
        int day = ParamUtil.getInteger(request, prefix + "Day");
        int year = ParamUtil.getInteger(request, prefix + "Year");

        Locale locale = request.getLocale();
        if (timeZone == null) {
            ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);
            timeZone = themeDisplay.getTimeZone();
        }

        return getDate(month, day, year, locale, timeZone);

    }

    protected Date getDate(int month, int day, int year, Locale locale, TimeZone timeZone) {

        Calendar date = CalendarFactoryUtil.getCalendar(timeZone, locale);

        date.set(Calendar.MONTH, month);
        date.set(Calendar.DATE, day);
        date.set(Calendar.YEAR, year);
        date.set(Calendar.HOUR_OF_DAY, 0);
        date.set(Calendar.MINUTE, 0);
        date.set(Calendar.SECOND, 0);
        date.set(Calendar.MILLISECOND, 0);

        return date.getTime();
    }


}