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Installation

From hex.pm

Make the following changes to the mix.exs file.

Add gringotts to the list of dependencies.

def deps do
  [
    {:gringotts, "~> 1.0"}
  ]
end

Add gringotts to the list of applications to be started.

def application do
  [
    extra_applications: [:gringotts]
  ]
end

Usage

This simple example demonstrates how a purchase can be made using a person's credit card details.

Add configs in config/config.exs file.

config :gringotts, Gringotts.Gateways.Stripe,
  adapter: Gringotts.Gateways.Stripe,
  api_key: "YOUR_KEY",
  default_currency: "USD"

Copy and paste this code in your module

alias Gringotts.Gateways.Stripe
alias Gringotts.{CreditCard, Address, Worker, Gateways}

card = %CreditCard{
  first_name: "John",
  last_name: "Smith",
  number: "4242424242424242",
  year: "2017",
  month: "12",
  cvc: "123"
}

address = %Address{
  street1: "123 Main",
  city: "New York",
  region: "NY",
  country: "US",
  postal_code: "11111"
}

case Gringotts.purchase(:my_gateway, Stripe, 199.95, card, billing_address: address,
                                                   description: "Amazing T-Shirt") do
  {:ok,    %{authorization: authorization}} ->
    IO.puts("Payment authorized #{authorization}")

  {:error, %{code: :declined, reason: reason}} ->
    IO.puts("Payment declined #{reason}")

  {:error, %{code: error}} ->
    IO.puts("Payment error #{error}")
end