nova_basic_checkout.ex

# Create a product
product_params = %{
  description: "some content",
  name: "some content",
  price: 120.5,
  sku: "ABC-123"
}
{:ok, product} = Nova.ProductCommands.create(product_params)

# Create a variant
variant_params = %{
  price: 120.5,
  sku: "SKU-ABC-123",
  product_id: product.id
}
{:ok, variant} = Nova.VariantCommands.create(variant_params)

# Initialize a new order
{:ok, order} = Nova.OrderCommands.create

# Add a line item to order
{:ok, order, line_item} = Nova.OrderCommands.add_line_item(order.id, variant.id, 1)

# Do checkout
billing_params = %{
  "billing_address" => %{
    "street1" => "example street1",
    "street2" => "example street2",
    "city" => "Testville",
    "region" => "Region",
    "country" => "IT",
    "postal_code" => "12345"
  },
  "credit_card" => %{
    "name" => "John Doe",
    "number" => "4111111111111111",
    "month" => "10",
    "year" => "2019",
    "cvc" => "123"
  }
}

{:ok, order, result} = Nova.Cart.checkout(order, :billing, billing_params)
IO.inspect result
# => %Commerce.Billing.Response{authorization: "3531738473", avs_result: nil,
#    code: nil, cvc_result: nil, raw: nil, reason: nil, success: true}