public Order(Order order)
{
this.o_id = order.O_id;
this.order_id = order.Order_id;
this.order_course = order.Order_course;
this.order_user = order.Order_user;
this.order_date = order.Order_date;
this.order_price = order.Order_price;
this.order_isPaid = order.Order_isPaid;
this.order_isDeleted = order.Order_isDeleted;
}
/// <summary>
/// 在数据库中创建订单
/// </summary>
/// <param name="order">包含完整信息的Order实例</param>
/// <returns>成功返回true，失败返回false</returns>
public static Boolean CreateOrder(Order order)
{
Boolean result = false;
if (isLegalOrder(order))
{
OrderData orderData = OrderData.GetNewInstance();
result = orderData.CreateOrder(order);
}
else
{
result = false;
}
return result;
}
/// <summary>
/// 判断Order类的实例中数据类型是否合法
/// </summary>
/// <param name="order">要判断的Order类实例</param>
/// <returns>成功返回true，失败返回false</returns>
public static Boolean isLegalOrder(Order order)
{
Boolean result = true;
if (order.Order_id == null)
result = false;
if (order.Order_date == null)
result = false;
if (order.Order_course == null)
result = false;
if (order.Order_user == null)
result = false;
if (order.Order_price < 0.0
|| order.Order_price == null)
result = false;
return result;
}
/// <summary>
/// 根据用户和课程创建订单，注意，所有要这么干的地方，必须调用该函数而不是new一个出来！
/// </summary>
/// <param name="course">用户购买的课程</param>
/// <param name="user">登录的用户</param>
/// <returns>一个Order类的Instance</returns>
public static Order CreateOrderByUserAndCourse(Course course, User user)
{
Order result = null;
if (UserOpr.isLegalNewUser(user)
&& CourseOpr.isLegalCourse(course))
{
result = new Order();
result.Order_course = course.Course_id;
result.Order_user = user.User_id;
}
else
{
result = null;
}
return result;
}
/// <summary>
/// 在数据库中创建订单，调用的是数据库中的CreateNewOrder存储过程。这个函数有事务保护
/// </summary>
/// <param name="order">包含订单信息的完整order类</param>
/// <returns>成功返回true，否则返回false</returns>
public Boolean CreateOrder(Order order)
{
Boolean result = false;
avfunEntities DataEntity = DataEntityManager.GetDataEntity();
try
{
DataEntity.CreateNewOrder
(order.Order_price, order.Order_user, order.Order_course, BitConverter.GetBytes(order.Order_isPaid));
result = true;
}
catch
{
result = false;
}
return result;
}