package?com.ambow.ects.action;

import?java.util.Collection;
import?java.util.Iterator;
import?java.util.List;
import?java.util.Set;

import?org.apache.struts2.ServletActionContext;

import?com.ambow.ects.biz.ProductBiz;
import?com.ambow.ects.entity.Category;
import?com.ambow.ects.entity.Product;
import?com.ambow.ects.entity.Product_Orders;
import?com.ambow.ects.utils.Cart;
import?com.ambow.ects.utils.Constants;
import?com.opensymphony.xwork2.ActionContext;
import?com.opensymphony.xwork2.ActionSupport;

/**
?*?@author?user
?*?
?*/
public?class?CartAction?extends?ActionSupport?{

	private?long?productid;	
	private?ProductBiz?productBiz;
	private?String?success_message;
	private?String?error_message?;
	private?Product?product;
	private?String?str;
	private?int?products_count?=?0;
	private?int?curPage?=?1;
	private?long?allPage?=?1;
	

	public?String?getSuccess_message（）?{
		return?success_message;
	}

	public?void?setSuccess_message（String?success_message）?{
		this.success_message?=?success_message;
	}


	public?int?getCurPage（）?{
		return?curPage;
	}

	public?void?setCurPage（int?curPage）?{
		this.curPage?=?curPage;
	}

	public?long?getAllPage（）?{
		return?allPage;
	}

	public?void?setAllPage（long?allPage）?{
		this.allPage?=?allPage;
	}

	public?int?getProducts_count（）?{
		return?this.products_count;
	}

	public?void?setProducts_count（int?products_count）?{
		this.products_count?=?products_count;
	}

	public?long?getProductid（）?{
		return?productid;
	}

	public?void?setProductid（long?productid）?{
		this.productid?=?productid;
	}

	public?ProductBiz?getProductBiz（）?{
		return?productBiz;
	}

	public?void?setProductBiz（ProductBiz?productBiz）?{
		this.productBiz?=?productBiz;
	}


	public?String?addCart（）?throws?Exception?{

		if（null?!=?str||““==str）{
			try?{
				if（ServletActionContext.getRequest（）.getMethod（）.equals（“GET“））{
					str?=?new?String（str.getBytes（“ISO-8859-1“）“UTF-8“）;
				}
				
			}?catch?（Exception?e）?{
				e.printStackTrace（）;
			}
			product.setShape（str）;
			
			
		}

		Cart?cart?=?null;
		
		if?（ActionContext.getContext（）.getSession（）.get（Constants.SESSION_CART）?!=?null）?{
			cart?=?（Cart）?ActionContext.getContext（）.getSession（）.get（
					Constants.SESSION_CART）;
		}?else?{
			cart?=?new?Cart（）;
		}

		Product?pro?=?productBiz.getProductByPk（productid）;
		String?proid?=?new?Long（productid）.toString（）;
		if?（pro.getStocks（）?>=?1）?{
			if（cart.getMyProducts（）.containsKey（proid））{
				if（cart.getMyProducts（）.get（proid）.getAmount（）+1<=pro.getStocks（））{
					cart.addProducts（pro?1）;
					success_message=“您已成功購買一個商品！“;
					ServletActionContext.getRequest（）.setAttribute（“cartsuccess_message“?success_message）;	
					
				}else{
					error_message=“對不起庫存不夠了！“;
					ServletActionContext.getRequest（）.setAttribute（“carterror_message“?error_message）;	
				}
				
			}else{
				cart.addProducts（pro?1）;
				
				s