//Function: initialize a concrete user, return it as use of this session, if the user is valid
//Paramaters:
//Return: concrete user type, (Customer or Manager)
// null when the user is invalid
//用户身份验证，根据名字密码查数据库，合法的话，返回出manager或者customer
//不合法返回NUll
public static User Login(string pName, string pPwd)
{
User user = null;
DataContextDataContext dc = new DataContextDataContext();
bool? isValid = false;
ISingleResult<is_valid_userResult> rs = dc.is_valid_user(pName, pPwd, ref isValid);
if (isValid == true)
{
foreach (is_valid_userResult s in rs)
{
if (s.type == 1)
{
user = new Customer(s.name, s.pwd, s.mail);
}
else if (s.type == 2)
{
user = new Manager(s.name, s.pwd, s.mail);
}
else
{ }
}
}
else //invalid
{}
return user;
}
protected void Page_Load(object sender, EventArgs e)
{
customer = new Customer();
if (Session["Delivery"] != null)
{
delivery = (Delivery)Session["Delivery"];
}
else
{
delivery = new Delivery();
}
if (Request.QueryString["DishName"] != null)
{
dishName = Request.QueryString["DishName"];
dish = customer.GetDishByName(dishName);
}
else
{//defalut dish
dish = customer.GetDishByName(dishName);
}
ImageDish.ImageUrl = dish.pictPath;
LabelTag1.Text = dish.tagList.ElementAt(0).name;
LabelTag2.Text = dish.tagList.ElementAt(1).name;
LabelTag3.Text = dish.tagList.ElementAt(0).name;
}
protected void ButtonAddComment_Click(object sender, EventArgs e)
{
if (TextBoxComment.Visible == false)
{
if (Session["Customer"] != null)
{
TextBoxComment.Visible = true;
ButtonAddComment.Text = "Publish Comment";
}
else
{
Response.Write("<Script>alert('login first to add comment')</script>");
}
}
else
{
customer = (Customer)Session["Customer"];
string str = TextBoxComment.Text;
Comment comment = new Comment(Guid.NewGuid(), str, dish.name, customer.name);
customer.PublishComment(comment);
Response.Redirect(System.Configuration.ConfigurationManager.AppSettings["DishDetail"] + "?DishName=" + dish.name );
//TextBoxComment.Visible = false;
//ButtonAddComment.Text = "Add comment";
}
}
protected void Page_Load(object sender, EventArgs e)
{
customer = new Customer();
if (!IsPostBack)
{
GridViewDish.DataSource = SqlDataSourceHotDish;
GridViewDish.DataBind();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["Customer"] != null)
{
customer = (Customer)Session["Customer"];
}
else
{
Response.Write("<Script>alert('Please login first!')</script>");
}
}
//public void Logout()
//{}
//Function: initialize a customer, and insert a new record of custoemr into db
//Return: custoemr newd if user name is valid
// null if pName exists in db
//user注册后，返回custoemr，把注册记录插到SysUser表
public static Customer Register(string pName, string pPwd, string pMail)
{
Customer custom = null;
bool? isExist = false;
DataContextDataContext dc = new DataContextDataContext();
dc.is_registered(pName, ref isExist);
if (isExist == true)
{ } //custom = null
else // not exist, can insert
{
try
{
dc.insert_customer(pName, pPwd, pMail);
custom = new Customer(pName, pPwd, pMail);
}
catch (Exception ex)
{ } //custom = null;
}
return custom;
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["Customer"] != null)
{
customer = (Customer)Session["Customer"];
LabelCustomerName.Text = customer.name;
}
else
{
Response.Write("<Script>alert('please login first')</script>");
}
if (Session["Delivery"] != null)
{
delivery = (Delivery)Session["Delivery"];
if (delivery.dishQuotaList.Count == 0)
{
GridView1.Dispose();
LabelCart.Text = "No dishes is in your shopping cart";
}
else
{ }
}
else
{
GridView1.Dispose();
LabelCart.Text = "No dishes is in your shopping cart";
}//error
//初始化时间选择的下拉菜单
if (!IsPostBack)
{
//init conponent
int hourNow = DateTime.Now.Hour;
TextBoxDate.Text = DateTime.Now.Year + "-" + DateTime.Now.Month + "-" + DateTime.Now.Day;
for (int i = 6; i <= 20; i++)
{
string hour = i.ToString();
DropDownListHour.Items.Add(hour);
}
for (int j = 0; j <= 6; j += 1)
{
DropDownListMinute.Items.Add(j.ToString() + "0");
}
LabelTime.Text = DropDownListHour.SelectedItem.Text + ":" + DropDownListMinute.SelectedItem.Text;
}
else
{ }
}
public void ModifyCustom(Customer pCustom)
{
DataContextDataContext dc = new DataContextDataContext();
dc.update_user(pCustom.name, pCustom.pwd, pCustom.mail);
}
protected void Page_Load(object sender, EventArgs e)
{
//$判断是否custoemr登录了
if (Session["Customer"] == null)
{
divReservation.Visible = false;
Response.Write("<Script>alert('please login first')</script>");
//RequiredFieldValidatorName.Enabled = false;
//RequiredFieldValidatorPhone.Enabled = false;
//RequiredFieldValidatorAddress.Enabled = false;
}
else
{
customer = (Customer)Session["Customer"];
UserNameLabel1.Text = customer.name;
}
if (!IsPostBack)
{
TextBoxArriveDate.Text = DateTime.Now.ToShortDateString();
//DropDownListDuration.Items.Remove(DropDownListDuration.Items.FindByText("start"));
}
}
