protected void Page_Load(object sender, EventArgs e)
{
string Userid = Context.User.Identity.GetUserId();
Session["Userid"] = Userid;
PurchaseModel model = new PurchaseModel();
ProductModel productmodel = new ProductModel();
if (Userid != null)
{
if (!string.IsNullOrWhiteSpace(Request.QueryString["id"]))
{
int id = Convert.ToInt32(Request.QueryString["id"]);
int value = 1;
int quan = 0;
if (!string.IsNullOrWhiteSpace(Request.QueryString["quan"]))
{
value = Convert.ToInt32(Request.QueryString["quan"]);
}
if (!string.IsNullOrWhiteSpace(Request.QueryString["quantity"]))
{
quan = Convert.ToInt32(Request.QueryString["quantity"]);
}
Purchase cart = new Purchase
{
Quantity = value,
UsersID = Userid,
DateTime = Convert.ToString(DateTime.Now),
ProductID = id
};
int purchaseid = model.check_order_product(Userid, id);
int purchasequantity = model.check_order_quantity(Userid, id);
int purchaseproductid = model.check_order_productid(Userid, id);
available_quantity = productmodel.available_quantity_product(id);
//Session["avail_quantity"] = available_quantity;
if (value > available_quantity && available_quantity == 0 || quan > available_quantity && available_quantity == 0)
{
//MessageBox.Show("Sorry Product is Out of Stock");
string script = "alert('Sorry Product is Out of Stock');";
ClientScript.RegisterClientScriptBlock(this.GetType(), "Alert", script, true);
string site = String.Format("product_detail.aspx?id={0}", id);
Response.Redirect(site);
}
else if (purchaseid == 0)
{
model.insert_purchase(cart);
}
else if (quan != 0)
{
if (quan > available_quantity)
{
string script = "alert('Quantity selected is more than Available Quantity');";
ClientScript.RegisterClientScriptBlock(this.GetType(), "Alert", script, true);
}
else
{
update_quantity(purchaseid, quan);
}
}
else if (purchasequantity == available_quantity)
{
string script = "alert('Product Quantity is already equal to Available Quantity');";
ClientScript.RegisterClientScriptBlock(this.GetType(), "Alert", script, true);
}
else
{
update_quantity(purchaseid, purchasequantity + 1);
}
}
else if (!string.IsNullOrWhiteSpace(Request.QueryString["del"]))
{
int id = Convert.ToInt32(Request.QueryString["del"]);
model.delete_purchase(id);
Response.Redirect("cart.aspx");
}
//else if (!string.IsNullOrWhiteSpace(Request.QueryString["pur_id"]))
//{
// int id = Convert.ToInt32(Request.QueryString["pur_id"]);
// int value = Convert.ToInt32(Request.QueryString["quan"]);
// string userId = Convert.ToString(HttpContext.Current.Session["Userid"]);
// if (value > available_quantity)
// {
// System.Windows.Forms.MessageBox.Show("Quantity selected is more than Available Quantity");
// }
// else
// {
// }
//}
}
else
{
Response.Redirect("loginPage.aspx");
}
}