package org.springside.bookstore.admin.web;

import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.util.WebUtils;
import org.springside.bookstore.admin.manager.OrderManager;
import org.springside.bookstore.commons.domain.Order;
import org.springside.core.commons.BaseManageController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;

/**
 * 订单管理的CRUD Controller.
 * 继承于BaseManageController，对CRUD流程作了一定的封装.
 * 普通MultiActionController请见BookStoreController和CustomerController
 *
 * @author Water Ye
 * @author Calvin
 * @see BaseManageController
 * @see org.springside.core.commons.BaseController
 */
public class OrderManageController extends BaseManageController {
    private OrderManager orderManager;

    {
        listView = "/admin/order/listOrder.jsp";
        showView = "/admin/order/showOrder.jsp";
        successView = "redirect:/admin/order.do";
    }

    public void setOrderManager(OrderManager orderManager) {
        this.orderManager = orderManager;
    }

    /**
     * 发货
     */
    public ModelAndView ship(HttpServletRequest request, HttpServletResponse response) throws Exception {
        Integer id = new Integer(request.getParameter("id"));
        Order order = orderManager.get(id);
        orderManager.shipOrder(order);
        saveMessage(request, "订单" + id + "发货成功!");
        ModelAndView mav = new ModelAndView(successView);
        mav.addObject(referenceData(request));
        return mav;
    }

    /**
     * 回调函数,订单列表
     *
     * @see BaseManageController#list(HttpServletRequest, HttpServletResponse)
     */
    protected void onList(HttpServletRequest request, HttpServletResponse response, ModelAndView mav) throws Exception {
        onQuery(request, response, mav);
    }

    /**
     * 回调函数,显示订单
     *
     * @see BaseManageController#show(HttpServletRequest, HttpServletResponse)
     */
    protected void onShow(HttpServletRequest request, HttpServletResponse response, ModelAndView mav) throws Exception {
        Integer id = new Integer(request.getParameter("id"));
        mav.addObject(orderManager.get(id));
    }

    /**
     * 回调函数,查询订单
     *
     * @see BaseManageController#query(HttpServletRequest, HttpServletResponse)
     */
    protected void onQuery(HttpServletRequest request, HttpServletResponse response, ModelAndView mav) throws Exception {
        Map map = WebUtils.getParametersStartingWith(request, "search_");
        mav.addObject("orders", orderManager.findBy(map));
    }

    /**
     * 批量删除订单
     *
     * @see BaseManageController#removeSelected(HttpServletRequest, HttpServletResponse)
     */
    public void onRemoveSelected(HttpServletRequest request, HttpServletResponse response, ModelAndView mav) throws Exception {
        String[] ids = request.getParameterValues("itemlist");
        if (ids != null) {
            int success = 0; //成功删除的订单数
            for (String id : ids) {
                try {
                    orderManager.removeOrder(new Integer(id));
                    success++;
                }
                catch (DataIntegrityViolationException e) {
                    saveMessage(request, "订单" + orderManager.get(new Integer(id)).getId() + "与其他数据关联，删除失败");
                }
            }
            saveMessage(request, "成功删除" + success + "条纪录!");
        }
    }

    /**
     * @see BaseManageController#referenceData(HttpServletRequest)
     */
    protected void referenceData(HttpServletRequest request, Map model) {
        model.put("statusEnum", Order.statusEnum);
    }
}