public async Task <Option <CartItemServiceModel, Error> > CreateAsync(CartItemBm model)
{
model.CartId = await GetCurrentCartIdByUserIdAsync(model.UserId);
return(await ExistsAsync(model)
? Option.None <CartItemServiceModel, Error>(CartItemExistsErrMsg.ToError())
: (await SaveAsync(model)).Some <CartItemServiceModel, Error>());
}
private async Task <CartItemServiceModel> SaveAsync(CartItemBm model)
{
var entity = Mapper.Map <CartItemBm, CartItem>(model);
await DbContext.CartItems.AddAsync(entity);
await DbContext.SaveChangesAsync();
return(Mapper.Map <CartItem, CartItemServiceModel>(entity));
}
private async Task <bool> ExistsAsync(CartItemBm model)
=> await DbContext
.CartItems
.AnyAsync(ci => ci.CartId == model.CartId &&
ci.ProductId == model.ProductId);
public async Task <IActionResult> Create([FromBody] CartItemBm model)
{
model.UserId = User.Identity.GetUserId();
return((await _cartItemsService.CreateAsync(model))
.Match(ci => CreatedAtAction(nameof(Create), ci), ErrorContent));
}