Create a Registrant auth controller

app/controllers/api/v1/registrant/auth_controller.rb

@@ -0,0 +1,19 @@
+require 'rails5_api_controller_backport'
+
+module Api
+  module V1
+    module Registrant
+      class AuthController < ActionController::API
+        def eid
+          login_params = set_eid_params
+
+          render json: login_params
+        end
+
+        def set_eid_params
+          params.permit(:ident, :first_name, :last_name, :country)
+        end
+      end
+    end
+  end
+end

config/application.rb

@@ -36,7 +36,7 @@ module DomainNameRegistry
     config.i18n.default_locale = :en
 
     config.paths.add File.join('app', 'api'), glob: File.join('**', '*.rb')
-    config.autoload_paths += Dir[Rails.root.join('app', 'api', '*')]
+    # config.autoload_paths += Dir[Rails.root.join('app', 'api', '*')]
 
     # Autoload all model subdirs
     config.autoload_paths += Dir[Rails.root.join('app', 'models', '**/')]

config/routes.rb

@@ -18,6 +18,15 @@ Rails.application.routes.draw do
 
   mount Repp::API => '/'
 
+  namespace :api do
+    namespace :v1 do
+      namespace :registrant do
+        post 'auth/eid', to: 'auth#eid'
+        post 'auth/username', to: 'auth#username'
+      end
+    end
+  end
+
   # REGISTRAR ROUTES
   namespace :registrar do
     resource :dashboard

test/system/api/registrant/registrant_api_authentication_test.rb

@@ -0,0 +1,24 @@
+require 'test_helper'
+
+class RegistrantApiAuthenticationTest < ApplicationSystemTestCase
+  def setup
+    super
+
+  end
+
+  def teardown
+    super
+
+  end
+
+  def test_request_creates_user_when_one_does_not_exist
+    params = {
+      ident: "30110100103",
+      first_name: "Jan",
+      last_name: "Tamm",
+      country: "ee",
+    }
+
+    post '/api/v1/registrant/auth/eid', params
+  end
+end