private void CreateRemoteCheckoutFromLocalState(CompletionCallback callback)
{
MutationQuery query = new MutationQuery();
List <CheckoutLineItemInput> newLineItemInput = CartLineItems.ConvertToCheckoutLineItemInput(LineItems.All());
DefaultQueries.checkout.Create(query, newLineItemInput);
Client.Mutation(query, (Mutation response, ShopifyError error) => {
if (error != null)
{
callback(error);
return;
}
if (UpdateState(response.checkoutCreate().checkout(), response.checkoutCreate().userErrors()))
{
if (CurrentCheckout.ready())
{
callback(null);
}
else
{
PollCheckoutAndUpdate(PollCheckoutReady, callback);
}
}
else
{
HandleUserError(callback);
}
});
}
//By not making it public I make it easier to ensure that no cart line items are created with non-existing variants before a foreign key error is thrown
private void AddVariant(string variantId, int count = 1)
{
Guid cartLineItemId;
var existingCartLineItem = CartLineItems.SingleOrDefault(item => item.VariantId == variantId);
if (existingCartLineItem != null)
{
cartLineItemId = existingCartLineItem.Id;
existingCartLineItem.IncreaseCount(count);
DomainEvents.Raise(new CartLineItemUpdatedEvent(Id, cartLineItemId, variantId, existingCartLineItem.Count));
}
else
{
cartLineItemId = Guid.NewGuid();
CartLineItems.Add(new CartLineItem(cartLineItemId, Id, variantId));
DomainEvents.Raise(new CartLineItemAddedEvent(Id, cartLineItemId, variantId));
}
}
public void RemoveVariant(string variantId)
{
var existingCartLineItem = CartLineItems.SingleOrDefault(item => item.VariantId == variantId);
if (existingCartLineItem == null)
{
throw new VariantNotExistingInCartException(Id, variantId);
}
existingCartLineItem.DecreaseCount();
if (existingCartLineItem.Count == 0)
{
DeleteCartLineItem(existingCartLineItem);
}
else
{
DomainEvents.Raise(new CartLineItemUpdatedEvent(Id, existingCartLineItem.Id, variantId, existingCartLineItem.Count));
}
}
private void UpdateRemoteCheckoutFromLocalState(CompletionCallback callback)
{
MutationQuery query = new MutationQuery();
// remove all line items them add them
List <string> lineItemsToRemove = CartLineItems.ConvertToLineItemIds(LineItems.All());
lineItemsToRemove.AddRange(DeletedLineItems);
List <CheckoutLineItemInput> lineItemsToAdd = CartLineItems.ConvertToCheckoutLineItemInput(LineItems.All());
DefaultQueries.checkout.LineItemsRemove(query, CurrentCheckout.id(), lineItemsToRemove);
DefaultQueries.checkout.LineItemsAdd(query, CurrentCheckout.id(), lineItemsToAdd);
Client.Mutation(query, (Mutation response, ShopifyError error) => {
if (error != null)
{
callback(error);
return;
}
DeletedLineItems.Clear();
if (UpdateState(response.checkoutLineItemsAdd().checkout(), response.checkoutLineItemsAdd().userErrors()))
{
if (CurrentCheckout.ready())
{
callback(null);
}
else
{
PollCheckoutAndUpdate(PollCheckoutReady, callback);
}
}
else
{
HandleUserError(callback);
}
});
}
public CartState(ShopifyClient client)
{
Client = client;
_LineItems = new CartLineItems();
_LineItems.OnChange += OnLineItemChange;
}
static void Main(string[] args)
{
#region Variable declaration
string idstring = string.Empty;
int id = 0;
int numberofitems = 0;
string userinput = string.Empty;
string quantitystring = string.Empty;
int quantity = 0;
bool cartstatus = false;
int discountcount = 0;
int discountincremwnrt = 1;
string couponcode = string.Empty;
string discontinput = string.Empty;
List <string> coupencodearray = new List <string>();
string modeofpayment = string.Empty;
decimal grandtotal = 0;
#endregion
try
{
Console.WriteLine("Welcome to Shopping Cart\n");
#region To Display lsit of items
display displayitems = new display();
numberofitems = displayitems.displayproduct();
#endregion
#region To Add item to the cart
CartLineItems additem = new CartLineItems();
while (true)
{
Console.WriteLine("Please enter the id of the product to be added to the cart");
idstring = Console.ReadLine();
id = Convert.ToInt32(idstring);
if (id <= numberofitems)
{
Console.WriteLine("Enter the Quantity");
quantitystring = Console.ReadLine();
quantity = Convert.ToInt32(quantitystring);
cartstatus = additem.additems(id, quantity);
if (cartstatus)
{
Console.WriteLine("Item Added to Cart Successfully.Do you want to add more items to the cart? Y/N");
}
else
{
Console.WriteLine("Please try adding again");
}
userinput = Console.ReadLine();
if (userinput == "y" || userinput == "Y")
{
continue;
}
else
{
break;
}
}
else
{
Console.WriteLine("Item Id does not exist. Please enter the valid id ");
}
}
#endregion
#region To Display the items in the cart and applying discount
displayitems.displaycartlineitems();
discountcount = displayitems.displaydiscount();
if (discountcount > 0)
{
Console.WriteLine("Please enter the coupon code of the discount you need to apply");
couponcode = Console.ReadLine();
coupencodearray.Add(couponcode);
displayitems.updatecart(couponcode);
while (discountcount > discountincremwnrt)
{
Console.WriteLine("Do you want to add another Code? If Yes enter the Offer Code else press N");
couponcode = Console.ReadLine();
if (couponcode == "n" || couponcode == "N")
{
grandtotal = displayitems.displayfinalcart();
}
else if (coupencodearray != null && coupencodearray.Contains(couponcode))
{
Console.WriteLine("Coupon already applied");
}
else
{
displayitems.updatecart(couponcode);
}
discountincremwnrt++;
}
}
grandtotal = displayitems.displayfinalcart();
#endregion
#region Payment Section
Console.WriteLine("Please select the mode of payment");
displayitems.displaymodeofpayments();
modeofpayment = Console.ReadLine();
displayitems.finalpage(modeofpayment, grandtotal);
#endregion
}
catch (Exception ex)
{
Console.WriteLine("Error in program.cs," + ex.Message);
}
}
private void DeleteCartLineItem(CartLineItem cartLineItem)
{
cartLineItem.TrackingState = TrackingState.Deleted;
CartLineItems.Remove(cartLineItem);
DomainEvents.Raise(new CartLineItemDeletedEvent(Id, cartLineItem.Id, cartLineItem.VariantId));
}
public void Clear()
{
var elementsToDelete = CartLineItems.Select(e => e).ToList();
elementsToDelete.ForEach(DeleteCartLineItem);
}
