private async void button_AddToCart_Click(object sender, EventArgs e)
{
// Check Valid Quantity
if (!CUtils.IsNumeric(textBox_Quantity.Text))
{
MessageBox.Show("Invalid Quantity!", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
int quantity = Int32.Parse(textBox_Quantity.Text);
// Check Quantity Inventory Exceed
int temp2 = (int)(dataGridView_SellerList.SelectedRows[0].Cells["quantity"].Value);
if (quantity > temp2)
{
MessageBox.Show("Quantity Exceeds Seller's Capability!", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
// Try Retrieve Existing Cart
CUser_Seller temp = (CUser_Seller)(dataGridView_SellerList.SelectedRows[0].Cells["extra_2"].Value);
CCustomer_Cart cartitem = await CCustomer_Cart.Retrieve(CUser.cur_user.id, item.id, temp.user_id);
if (cartitem != null)
{
if (!(await cartitem.Commit(cartitem.quantity + quantity)))
{
if (CUtils.LastLogMsg != null)
{
MessageBox.Show("Cause: " + CUtils.LastLogMsg, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show("Cause: Unknown", "Failed!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
return;
}
}
else if (!(await CCustomer_Cart.Register(CUser.cur_user.id,
item.id,
temp.user_id,
quantity))) // Create New Cart
{
if (CUtils.LastLogMsg == null || CUtils.LastLogMsg.Equals("Inventory Already Exists!"))
{
MessageBox.Show("Cause: Unknown", "Failed!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
MessageBox.Show("Cause: " + CUtils.LastLogMsg, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return;
}
MessageBox.Show("Successfully Added to Cart!", "Success!", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Visible = false;
this.Dispose();
}
private async void button_Cart_Save_Click(object sender, EventArgs e)
{
Double total = 0;
foreach (DataGridViewRow x in dataGridView_Cart.Rows)
{
CCustomer_Cart y = (CCustomer_Cart)(x.Cells["extra_1"].Value);
await y.Commit(Int32.Parse(x.Cells["quantity"].Value.ToString()));
CSeller_Inventory z = (CSeller_Inventory)(x.Cells["extra_4"].Value);
total += z.price * y.quantity;
}
textBox_Cart_GrandTotal.Text = total.ToString();
}