public async Task <IActionResult> GetProducts(long id)
{
Console.WriteLine(id);
var cacheEntryOptions = new MemoryCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromMinutes(10));
Dictionary <Product, int> cart;
string key = "cart" + id.ToString();
if (!_cache.TryGetValue(key, out cart))
{
cart = new Dictionary <Product, int>();
_cache.Set(key, cart, cacheEntryOptions);
}
string keymsg = "msg" + id.ToString();
string msg;
if (!_cache.TryGetValue(keymsg, out msg))
{
msg = "";
_cache.Set(keymsg, "", cacheEntryOptions);
}
ProdListVM vm = new ProdListVM();
vm.prodList = await db.Products.ToListAsync();
vm.prodList = vm.prodList.OrderBy(p => p.Name).ToList();
vm.clientID = id;
vm.cart = cart;
vm.message = msg;
return(View(vm));
}
public IActionResult Cart(long id)
{
try
{
var cacheEntryOptions = new MemoryCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromMinutes(10));
Dictionary <Product, int> cart;
string key = "cart" + id.ToString();
if (!_cache.TryGetValue(key, out cart))
{
cart = new Dictionary <Product, int>();
_cache.Set(key, cart, cacheEntryOptions);
}
ProdListVM vm = new ProdListVM();
vm.clientID = id;
vm.cart = cart;
return(View(vm));
}
catch (Exception e)
{
return(Content(e.Message));
}
}
public async Task <IActionResult> AddToCart(ProdListVM vm)
{
try
{
var cacheEntryOptions = new MemoryCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromMinutes(10));
Dictionary <Product, int> cart;
string key = "cart" + vm.clientID.ToString();
if (!_cache.TryGetValue(key, out cart))
{
cart = new Dictionary <Product, int>();
_cache.Set(key, cart, cacheEntryOptions);
}
string keymsg = "msg" + vm.clientID.ToString();
vm.prodList = await db.Products.ToListAsync();
vm.cart = cart;
Product prod = vm.prodList.First(p => p.ID == vm.prodID);
Product keyProd = new Product();
List <Product> keyList = new List <Product>(cart.Keys);
bool validate = true;
keyList.ForEach(p => {
if (p.ID == prod.ID)
{
validate = false;
keyProd = p;
}
});
if (validate)
{
if (vm.amount <= prod.Stock)
{
_cache.Set(keymsg, "Se ha añadido el producto al carrito", cacheEntryOptions);
vm.cart.Add(prod, vm.amount);
}
else
{
_cache.Set(keymsg, "La cantidad ingresada supera la disponibilidad", cacheEntryOptions);
}
}
else
{
if (vm.cart[keyProd] + vm.amount <= prod.Stock)
{
vm.cart[keyProd] += vm.amount;
_cache.Set(keymsg, "Se ha añadido el producto al carrito", cacheEntryOptions);
}
else
{
_cache.Set(keymsg, "La cantidad ingresada supera la disponibilidad", cacheEntryOptions);
}
}
_cache.Set(key, cart, cacheEntryOptions);
return(RedirectToAction("GetProducts", new { id = vm.clientID }));
}
catch (Exception e)
{
return(Content(e.Message));
}
}