PaymentLink

- Add PaymentLink structs
- Fix nil values

Author: n0um3n4

lib/checkouts.ex

@@ -1,12 +1,13 @@
 defmodule Conekta.Checkouts do
   alias Conekta.Client
   alias Conekta.Handler
+  alias Conekta.PaymentLinkResponse
 
   def create_payment_link(payment_link) do
     case Client.post_request("checkouts/", payment_link) do
       {:ok, content} ->
         body = Handler.handle_status_code(content)
-        {:ok, Poison.decode!(body)}
+        {:ok, Poison.decode!(body, as: PaymentLinkResponse)}
     end
   end
 end

lib/client.ex

@@ -33,6 +33,9 @@ defmodule Conekta.Client do
   def encode_params(param) when is_map(param) do
     param
     |> Map.from_struct()
+    |> Enum.filter(fn {_key, value} ->
+      not is_nil(value)
+    end)
     |> Enum.into(%{})
     |> Poison.encode()
     |> ok

lib/conekta/conekta_structs.ex

@@ -353,3 +353,45 @@ defmodule Conekta.PartialRefund do
   @moduledoc false
   defstruct reason: nil, amount: nil
 end
+
+defmodule Conekta.PaymentLink do
+  @moduledoc false
+  defstruct name: nil,
+            type: "PaymentLink",
+            metadata: nil,
+            monthly_installments_enabled: nil,
+            monthly_installments_options: nil,
+            needs_shipping_contact: nil,
+            payments_limit_count: nil,
+            recurrent: nil,
+            order_template: nil,
+            expires_at: nil,
+            allowed_payment_methods: nil
+end
+
+defmodule Conekta.PaymentLinkResponse do
+  @moduledoc false
+  defstruct id: nil,
+            can_not_expire: nil,
+            emails_sent: nil,
+            exclude_card_networks: nil,
+            expires_at: nil,
+            force_3ds_flow: nil,
+            allowed_payment_methods: nil,
+            livemode: nil,
+            metadata: nil,
+            monthly_installments_enabled: nil,
+            monthly_installments_options: nil,
+            name: nil,
+            needs_shipping_contact: nil,
+            object: nil,
+            paid_payments_count: nil,
+            payments_limit_count: nil,
+            recurrent: nil,
+            slug: nil,
+            sms_sent: nil,
+            starts_at: nil,
+            status: nil,
+            type: nil,
+            url: nil
+end