package com.longtime.wap.module.business.web.action;

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

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.springframework.web.struts.DispatchActionSupport;

import com.longtime.wap.common.WapConstant;
import com.longtime.wap.module.business.common.BusinessConstant;
import com.longtime.wap.module.business.service.BusinessService;

/**
 * 處理業務列表請求
 * 
 * @author gengb
 * @date Nov 19, 2007
 */
public class BusinessListAction extends DispatchActionSupport {
	private static final Log LOGGER = 
		LogFactory.getLog(BusinessListAction.class);
	private BusinessService businessService;

	/**
	 * 注入服務對象
	 * 
	 * @param businessService
	 *            服務對象
	 */
	public void setBusinessService(BusinessService businessService) {
		this.businessService = businessService;
	}

	/**
	 * 處理列表頁請求
	 * 
	 * @param mapping
	 *            ActionMapping對象
	 * @param form
	 *            ActionForm對象
	 * @param request
	 *            HttpServletRequest對象
	 * @param response
	 *            HttpServletResponse對象
	 * @return ActionForward對象
	 */
	public ActionForward listBusiness(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// 獲取屬于文字類的業務集合
		List textbusiness = businessService.getBusinessesByCategory(0);
		request.setAttribute(BusinessConstant.TEXT_BUSINESS, textbusiness);
		// 獲取屬于音樂類的業務集合
		List musicbusiness = businessService.getBusinessesByCategory(1);
		request.setAttribute(BusinessConstant.MUSIC_BUSINESS, musicbusiness);
		// 獲取屬于圖片類的業務集合
		List picturebusiness = businessService.getBusinessesByCategory(2);
		request.setAttribute(BusinessConstant.PICTURE_BUSINESS,
						picturebusiness);
		return mapping.findForward("listBusiness");
	}

	/**
	 * 處理刪除請求
	 * 
	 * @param mapping
	 *            ActionMapping對象
	 * @param form
	 *            ActionForm對象
	 * @param request
	 *            HttpServletRequest對象
	 * @param response
	 *            HttpServletResponse對象
	 * @return ActionForward對象
	 */
	@SuppressWarnings("finally")
	public ActionForward deleteBusiness(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List<String> message = new ArrayList<String>();
		try {
			String[] businessIds = request
					.getParameterValues("deleteBusinessIds");
			businessService.deleteBusinesses(businessIds);
			message.add("業務信息刪除成功！");
		} catch (Exception ex) {
			LOGGER.error("業務信息刪除失敗！:"+ex);
			message.add("業務信息刪除失敗！");
		} finally {
			if (request.getAttribute(WapConstant.WAP_GLOBAL_MESSAGES) 
					!= null) {
				request.removeAttribute(WapConstant.WAP_GLOBAL_MESSAGES);
			}
			request.setAttribute(WapConstant.WAP_GLOBAL_MESSAGES, message);
			return mapping.findForward("listNewBusiness");
		}

	}
}