private void btnAddAfter_Click(object sender, EventArgs e)
{
Validation validation = new Validation();
string content = "";
content += validation.Check_Empty("ID", txtIDAdd);
content += validation.Check_Empty("Name", txtNameAdd);
content += validation.Check_Empty("Promotion", txtPromotionAdd);
content += validation.Check_Empty("Price", txtPriceAdd);
content += validation.Check_Empty("After ID", txtIDAfter);
if (content != "")
{
MessageBox.Show(content, "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
LinkedListHD <DoUong> .Node NodeDoUong = Form2.menu.pHead;
while (NodeDoUong != null)
{
if (NodeDoUong.data.ID.ToString() == txtIDAdd.Text)
{
MessageBox.Show("ID đã tồn tại!", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtIDAdd.Text = "";
return;
}
NodeDoUong = NodeDoUong.pNext;
}
DoUong douong = new DoUong();
douong.ID = int.Parse(txtIDAdd.Text);
douong.Name = txtNameAdd.Text;
douong.Promotion = int.Parse(txtPromotionAdd.Text);
douong.Price = double.Parse(txtPriceAdd.Text);
LinkedListHD <DoUong> .Node pSearch = Form2.menu.pHead;
while (pSearch != null)
{
if (pSearch.data.ID == int.Parse(txtIDAfter.Text))
{
Form2.menu.AddAfter(douong, pSearch);
MessageBox.Show("Đồ uống đã được thêm vào menu.", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.None);
txtIDAdd.Text = "";
txtNameAdd.Text = "";
txtPromotionAdd.Text = "";
txtPriceAdd.Text = "";
txtIDAfter.Text = "";
return;
}
pSearch = pSearch.pNext;
}
MessageBox.Show("Không tìm thấy After ID. Đồ uống được thêm vào cuối menu.", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
Form2.menu.Add(douong);
}
}
//public double Price_Min(LinkedListHD<DoUong> D)
//{
// LinkedListHD<DoUong>.Node Node = D.pHead;
// double min = Node.data.Price;
// while (Node != null)
// {
// if (Node.data.Price < min)
// {
// min = Node.data.Price;
// }
// Node = Node.pNext;
// }
// return min;
//}
private void btnIncrease_Click(object sender, EventArgs e)
{
LinkedListHD <DoUong> increase = new LinkedListHD <DoUong>();
double temp = 0;
while (increase.count != Form2.menu.count)
{
double min = 10000000000;
LinkedListHD <DoUong> .Node NodeDoUong = Form2.menu.pHead;
while (NodeDoUong != null)
{
if (NodeDoUong.data.Price <= min && NodeDoUong.data.Price > temp)
{
min = NodeDoUong.data.Price;
}
NodeDoUong = NodeDoUong.pNext;
}
LinkedListHD <DoUong> .Node Node = Form2.menu.pHead;
while (Node != null)
{
if (Node.data.Price == min)
{
DoUong douong = Node.data;
increase.Add(douong);
}
Node = Node.pNext;
}
temp = min;
}
txbMoney.Text = "";
LinkedListHD <DoUong> .Node PrintNode = increase.pHead;
while (PrintNode != null)
{
if (PrintNode.data.ID.ToString().Length < 2)
{
txbMoney.Text += PrintNode.data.ID + " " + PrintNode.data.Price + "\r\n";
}
else
{
txbMoney.Text += PrintNode.data.ID + " " + PrintNode.data.Price + "\r\n";
}
PrintNode = PrintNode.pNext;
}
}
public void createDatabase()
{
string dsnuoc = @"C:\Users\Admin\Desktop\New folder\DoAn1\Doan1\Doan1\bin\Debug\dsnuoc.txt";
string giatien = @"C:\Users\Admin\Desktop\New folder\DoAn1\Doan1\Doan1\bin\Debug\gia.txt";
string khuyenmai = @"C:\Users\Admin\Desktop\New folder\DoAn1\Doan1\Doan1\bin\Debug\dskhuyenmai.txt";
string[] arrnuoc;
string[] arrgia;
string[] arrkhuyenmai;
if (System.IO.File.Exists(dsnuoc))
{
string n1, n2, t2, k2;
arrnuoc = System.IO.File.ReadAllLines(dsnuoc);
arrgia = System.IO.File.ReadAllLines(giatien);
arrkhuyenmai = System.IO.File.ReadAllLines(khuyenmai);
for (int i = 0; i < arrnuoc.Length; i++)
{
DoUong douong = new DoUong();
string s = arrnuoc[i];
string x = arrgia[i];
string k = arrkhuyenmai[i];
n1 = s.Substring(0, 3).Trim();
n2 = s.Substring(3).Trim();
t2 = x.Substring(3).Trim();
k2 = k.Substring(3).Trim();
douong.ID = int.Parse(n1);
douong.Name = n2;
douong.Promotion = int.Parse(k2);
douong.Price = double.Parse(t2);
menu.Add(douong);
}
}
}
private void btnAddOrder_Click(object sender, EventArgs e)
{
Validation validation = new Validation();
string content = "";
content += validation.Check_Empty("Name Cus", txtNameCusOrder);
content += validation.Check_Empty("ID", txtIDOrder);
content += validation.Check_Empty("Amount", txtAmountOrder);
if (content != "")
{
MessageBox.Show(content, "Validation", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
int test = 0;
LinkedListHD <DoUong> .Node NodeDoUong = menu.pHead;
while (NodeDoUong != null)
{
if (NodeDoUong.data.ID.ToString() == txtIDOrder.Text)
{
test = 1;
}
NodeDoUong = NodeDoUong.pNext;
}
if (test == 0)
{
MessageBox.Show("ID đồ uống không tồn tại trong menu!", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
Total += double.Parse(lblPriceOrder.Text);
if (Total <= 0)
{
lblTotalOrder.Text = "";
}
else
{
lblTotalOrder.Text = Total + "";
}
LinkedListHD <DoUong> .Node Node = menu.pHead;
while (Node != null)
{
if (Node.data.ID.ToString() == txtIDOrder.Text)
{
DoUong douong = Node.data;
LinkedListHD <HoaDon> .Node NodeHoaDon = dsHoaDon.pHead;
while (NodeHoaDon != null)
{
if (NodeHoaDon.data.douong.ID.ToString() == txtIDOrder.Text)
{
NodeHoaDon.data.Count += int.Parse(txtAmountOrder.Text);
hoadon.Total += double.Parse(lblPriceOrder.Text);
txtAmountOrder.Text = "1";
if (NodeHoaDon.data.Count <= 0)
{
dsHoaDon.Remove(NodeHoaDon);
}
return;
}
NodeHoaDon = NodeHoaDon.pNext;
}
hoadon = new HoaDon();
hoadon.IdHD = IDHoaDon;
hoadon.CustomerName = txtNameCusOrder.Text;
hoadon.Total += double.Parse(lblPriceOrder.Text);
hoadon.douong = douong;
hoadon.Count = int.Parse(txtAmountOrder.Text);
dsHoaDon.Add(hoadon);
}
Node = Node.pNext;
}
}
txtAmountOrder.Text = "1";
}
public HoaDon()
{
Count = 0;
douong = new DoUong();
}