static void RemoveFromCart() //remove item from cart
{
if (logedIn == true)
{
using (var db = new AppDbContext())
{
try
{
Console.WriteLine("Remove Product Number: ");
int removeId = Convert.ToInt32(Console.ReadLine());
//check to see if item is in cart
var inCart = db.CartProducts.Where(p => p.ProductId == removeId && p.CartId == cartId).FirstOrDefault();
CartProduct r = db.CartProducts.Find(cartId, removeId);
if (inCart is null)
{
Console.WriteLine();
Console.WriteLine("This item is not in your cart.");
Console.WriteLine();
}
else
{
if (r.Quantity > 1)
{
r.Quantity--;
db.SaveChanges();
Console.WriteLine($"New Quantity is: {r.Quantity}");
}
else
{
db.CartProducts.Remove(r);
db.SaveChanges();
}
}
}
catch
{
Console.WriteLine("Invalid input.");
}
}
}
else
{
Console.WriteLine("You must be logged in to remove items from cart.");
Login();
}
}
//Adds products to cart
static void Add()
{
if (logedIn == true)
{
using (var db = new AppDbContext())
{
try
{
Console.WriteLine("Enter Product to Add");
int addProduct = Convert.ToInt32(Console.ReadLine());
//checks to see if product exists
var productExists = db.Products.Where(p => p.ProductId == addProduct).FirstOrDefault();
if (productExists is null)
{
Console.WriteLine("This product does not exists.");
}
else
{
try{
//finds product price
var needPrice = db.Products.Where(x => x.ProductId == addProduct).Select(x => x.Price).First();
//Check if product is in cart
var productInCart = db.CartProducts.Where(p => p.ProductId == addProduct && p.CartId == cartId).FirstOrDefault();
if (productInCart is null) //if product doesn't exist, create new product in CartProducts.
{
CartProduct newCart = new CartProduct {
Quantity = 1, ProductId = addProduct, CartId = cartId, ProductTotal = needPrice
};
db.Add(newCart);
db.SaveChanges();
}
else //If product does exist, update quantity in CartProducts
{
CartProduct update = db.CartProducts.Find(cartId, addProduct);
//int newQuant = update.Quantity ++;
update.Quantity++;
update.ProductTotal = (update.Quantity * needPrice);
db.SaveChanges();
var test = db.CartProducts.Where(c => c.CartId == cartId);
foreach (var product in test)
{
Console.WriteLine(product.Quantity);
Console.WriteLine(product.ProductTotal);
}
}
}catch
{
Console.WriteLine("Product doesn't have information.");
}
}
}
catch
{
Console.WriteLine("Invalid input.");
}
}
}
else
{
Console.WriteLine("Please log in to continue.");
Login();
}
Console.WriteLine();
}