//Update product
private void button3_Click(object sender, EventArgs e)
{
if (textBox2.Text.Length == 0 || textBox3.Text.Length == 0 || comboBox1.Text.Length == 0)
{
MessageBox.Show("invalid enter !");
}
else
{
products p = new products();
context c = new context(new check_product());
if (c.my_function(textBox2.Text) && int.Parse(textBox3.Text) != 0)
{
if (comboBox1.Text == "NOT CHANGE")
{
p.update_product(textBox2.Text, int.Parse(textBox3.Text), 0);
MessageBox.Show("Done");
}
else
{
p.update_product(textBox2.Text, int.Parse(textBox3.Text), int.Parse(comboBox1.Text));
MessageBox.Show("Done");
}
}
else
{
}
}
}
//Add product
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
try
{
if (dataGridView1.Rows[0].Cells[0].Value == null || dataGridView1.Rows[0].Cells[1].Value == null || dataGridView1.Rows[0].Cells[2].Value == null)
{
MessageBox.Show("Each field mandatory!");
}
else
{
context con = new context(new check_product());
if (con.my_function(dataGridView1.Rows[0].Cells[0].Value.ToString()))
{
MessageBox.Show("This product stored !");
}
else
{
products p = new products(dataGridView1.Rows[0].Cells[0].Value.ToString(), int.Parse(dataGridView1.Rows[0].Cells[1].Value.ToString()), int.Parse(dataGridView1.Rows[0].Cells[2].Value.ToString()));
FileStream fs = new FileStream("products.txt", FileMode.Append);
BinaryFormatter f = new BinaryFormatter();
f.Serialize(fs, p);
fs.Close();
MessageBox.Show("added");
dataGridView1.Rows.Clear();
}
}
}
catch
{
MessageBox.Show("invalid enter!!!");
}
}
public void update_product(string n, int q, int p)
{
context c = new context(new check_product());
if (c.my_function(n))
{
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
Dictionary <string, products> list = new Dictionary <string, products>();
while (fs.Position < fs.Length)
{
products pr = (products)f.Deserialize(fs);
list[pr.name] = pr;
}
fs.Close();
if (p == 0)
{
list[n].quantity += q;
}
else
{
list[n].price = p;
list[n].quantity += q;
}
FileStream formatt = new FileStream("products.txt", FileMode.Truncate);
formatt.Close();
FileStream file = new FileStream("products.txt", FileMode.Append);
for (int i = 0; i < list.Count; i++)
{
f.Serialize(file, list.ElementAt(i).Value);
}
file.Close();
}
}
public void buy(string n, int q)
{
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
Dictionary <string, products> list = new Dictionary <string, products>();
products p = new products();
while (fs.Position < fs.Length)
{
p = (products)f.Deserialize(fs);
if (p.name == n)
{
p.quantity -= q;
list[p.name] = p;
}
list[p.name] = p;
}
fs.Close();
FileStream formatt = new FileStream("products.txt", FileMode.Truncate);
formatt.Close();
FileStream file = new FileStream("products.txt", FileMode.Append);
for (int i = 0; i < list.Count; i++)
{
f.Serialize(file, list.ElementAt(i).Value);
}
file.Close();
}
public float return_price(string product)
{
context c = new context(new check_product());
float y = 0;
if (c.my_function(product))
{
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
while (fs.Position < fs.Length)
{
products p = (products)f.Deserialize(fs);
if (p.name == product)
{
y = p.price;
}
}
fs.Close();
return(y);
}
else
{
return(y);
}
}
public override bool check(string x)
{
bool v = false;
Dictionary <string, products> list = new Dictionary <string, products>();
if (File.Exists("products.txt"))
{
FileStream fst = new FileStream("products.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
while (fst.Position < fst.Length)
{
products c = (products)f.Deserialize(fst);
list[c.name] = c;
}
fst.Close();
if (list.ContainsKey(x))
{
v = true;
}
list.Clear();
}
else
{
v = false;
}
return(v);
}
//Delete Product
private void dataGridView2_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
try
{
if (dataGridView2.Rows[0].Cells[0].Value == null)
{
MessageBox.Show("Enter Product Name !");
}
else
{
context con = new context(new check_product());
if (con.my_function(dataGridView2.Rows[0].Cells[0].Value.ToString()) == false)
{
MessageBox.Show("This product not stored !");
}
else
{
//products p = new products();
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter formatt = new BinaryFormatter();
Dictionary <string, products> old = new Dictionary <string, products>();
while (fs.Position < fs.Length)
{
products p = (products)formatt.Deserialize(fs);
old[p.name] = p;
}
fs.Close();
old.Remove(dataGridView2.Rows[0].Cells[0].Value.ToString());
FileStream fille = new FileStream("products.txt", FileMode.Truncate);
fille.Close();
FileStream file = new FileStream("products.txt", FileMode.Append);
for (int i = 0; i < old.Count; i++)
{
formatt.Serialize(file, old.ElementAt(i).Value);
}
old.Clear();
file.Close();
MessageBox.Show("deleted");
dataGridView2.Rows.Clear();
}
}
}
catch
{
MessageBox.Show("invalid enter");
}
}
//View Catalog
private void button4_Click(object sender, EventArgs e)
{
FileStream fss = new FileStream("products.txt", FileMode.Open);
BinaryFormatter ff = new BinaryFormatter();
List <products> list = new List <products>();
list.Clear();
while (fss.Position < fss.Length)
{
products p = (products)ff.Deserialize(fss);
list.Add(p);
}
fss.Close();
dataGridView7.DataSource = list;
}
public float return_price_order(string n, int q)
{
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
products p = new products();
while (fs.Position < fs.Length)
{
p = (products)f.Deserialize(fs);
if (p.name == n)
{
fs.Close();
return(p.price * q);
}
}
fs.Close();
return(-1);
}
//Check Quantity
private void dataGridView3_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
try
{
if (dataGridView3.Rows[0].Cells[0].Value == null)
{
MessageBox.Show("Enter Product Name !");
}
else
{
context con = new context(new check_product());
if (con.my_function(dataGridView3.Rows[0].Cells[0].Value.ToString()) == false)
{
MessageBox.Show("This product not stored !");
}
else
{
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter formatt = new BinaryFormatter();
while (fs.Position < fs.Length)
{
products p = (products)formatt.Deserialize(fs);
if (p.name == dataGridView3.Rows[0].Cells[0].Value.ToString())
{
MessageBox.Show("Quantity = " + p.quantity);
}
}
fs.Close();
dataGridView3.Rows.Clear();
}
}
}
catch
{
MessageBox.Show("invalid enter !!");
}
}
public int check_quantity(string x)
{
if (File.Exists("products.txt"))
{
FileStream fs = new FileStream("products.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
while (fs.Position < fs.Length)
{
products p = (products)f.Deserialize(fs);
if (p.name == x)
{
fs.Close();
return(p.quantity);
}
}
fs.Close();
return(-1);
}
else
{
return(-1);
}
}
//Make Order btn
private void button2_Click(object sender, EventArgs e)
{
try
{
if (dataGridView1.Rows[0].Cells[0].Value == null || dataGridView1.Rows[0].Cells[1].Value == null)
{
MessageBox.Show("error !!");
}
else
{
dliveryboy boy = new dliveryboy();
products p = new products();
List <KeyValuePair <string, int> > list = new List <KeyValuePair <string, int> >();
float total = 0;
DateTime t = DateTime.Now;
bool flag = false;
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
if (p.check(dataGridView1.Rows[i].Cells[0].Value.ToString()) && int.Parse(dataGridView1.Rows[i].Cells[1].Value.ToString()) <= p.check_quantity(dataGridView1.Rows[i].Cells[0].Value.ToString()))
{
flag = true;
}
else
{
flag = false;
}
}
if (boy.assgin() == null)
{
MessageBox.Show("Please wait few minutes to make order");
}
else
{
bool ff = true;
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
if (int.Parse(dataGridView1.Rows[i].Cells[1].Value.ToString()) <= 0)
{
MessageBox.Show("falid quantity in row " + ++i);
ff = false;
}
}
if (ff)
{
for (int j = 0; j < dataGridView1.Rows.Count - 1; j++)
{
if (flag)
{
p.buy(dataGridView1.Rows[j].Cells[0].Value.ToString(), int.Parse(dataGridView1.Rows[j].Cells[1].Value.ToString()));
total += p.return_price_order(dataGridView1.Rows[j].Cells[0].Value.ToString(), int.Parse(dataGridView1.Rows[j].Cells[1].Value.ToString()));
list.Add(new KeyValuePair <string, int>(dataGridView1.Rows[j].Cells[0].Value.ToString(), int.Parse(dataGridView1.Rows[j].Cells[1].Value.ToString())));
MessageBox.Show("done & total= " + total);
}
else
{
MessageBox.Show("invalid name or quantity !!");
}
}
if (flag)
{
total += 5;
orders order = new orders(sign_in.t1, t, list, total, boy.assgin());
order.bill(order);
}
}
}
}
}
catch
{
MessageBox.Show("invalid enter");
}
}
public string return_product(int bill_id, string product, int quantity)
{
string return_message;
if (File.Exists("bills.txt"))
{
FileStream fs = new FileStream("bills.txt", FileMode.Open);
BinaryFormatter f = new BinaryFormatter();
Dictionary <int, orders> list = new Dictionary <int, orders>();
KeyValuePair <string, int> li = new KeyValuePair <string, int>();
// bool falg = false;
DateTime n = DateTime.Now;
while (fs.Position < fs.Length)
{
orders o = (orders)f.Deserialize(fs);
list[o.id] = o;
}
fs.Close();
if (list.ContainsKey(bill_id))
{
if (list[bill_id].date.Day - n.Day <= 14)
{
for (int i = 0; i < list[bill_id].products.Count; i++)
{
if (list[bill_id].products.ElementAt(i).Key == product)
{
if (list[bill_id].products.ElementAt(i).Value >= quantity && quantity != 0)
{
if (list[bill_id].products.ElementAt(i).Value == quantity)
{
li = new KeyValuePair <string, int>(product, quantity);
list[bill_id].products.Remove(li);
products p = new products();
list[bill_id].total -= p.return_price(product) * quantity;
if (list[bill_id].products.Count == 0)
{
list.Remove(bill_id);
}
FileStream format = new FileStream("bills.txt", FileMode.Truncate);
format.Close();
FileStream file = new FileStream("bills.txt", FileMode.Append);
for (int j = 0; j < list.Count; j++)
{
f.Serialize(file, list.ElementAt(j).Value);
}
file.Close();
list.Clear();
p.update_product(product, quantity, 0);
return_message = "done";
list.Clear();
return(return_message);
}
else
{
int x = 0;
x = list[bill_id].products.ElementAt(i).Value - quantity;
li = new KeyValuePair <string, int>(product, list[bill_id].products.ElementAt(i).Value);
list[bill_id].products.Remove(li);
li = new KeyValuePair <string, int>(product, x);
list[bill_id].products.Add(li);
products p = new products();
list[bill_id].total -= p.return_price(product) * quantity;
if (list[bill_id].products.Count == 0)
{
list.Remove(bill_id);
}
FileStream format = new FileStream("bills.txt", FileMode.Truncate);
format.Close();
FileStream file = new FileStream("bills.txt", FileMode.Append);
for (int j = 0; j < list.Count; j++)
{
f.Serialize(file, list.ElementAt(j).Value);
}
file.Close();
list.Clear();
return_message = "done";
p.update_product(product, quantity, 0);
list.Clear();
return(return_message);
}
}
else
{
return_message = "invalid quantity";
return(return_message);
}
}
}
return_message = "product not found";
return(return_message);
}
else
{
return_message = "over 14 day";
return(return_message);
}
}
else
{
return_message = "invalid bill";
return(return_message);
}
}
else
{
return_message = "invalid bill";
return(return_message);
}
}
