feat: Creates /user.json get route (#367)

* Create /user.json get route + test

Restricted to .json format as no page needs to exist for this
Bypass devise controller because devise doesn’t allow `show` method for some reason

* bark bark

Author: peterkos

app/controllers/users_controller.rb

@@ -0,0 +1,14 @@
+class UsersController < ApplicationController
+  before_action :logged_in
+  respond_to :json
+
+  def logged_in
+    authenticate_user!
+  end
+
+  def show
+    respond_to do |format|
+      format.json { render json: current_user }
+    end
+  end
+end

config/routes.rb

@@ -24,6 +24,9 @@
     mount Blazer::Engine, at: "blazer"
   end
 
+  # devise doesnt parse GET /user
+  resource :user, only: :show, constraints: ->(req) { req.format == :json }
+
   resource :questionnaires, path: "apply" do
     get :schools, on: :collection
   end

test/controllers/users_controller_test.rb

@@ -0,0 +1,19 @@
+require 'test_helper'
+
+class UsersControllerTest < ActionController::TestCase
+  include ActiveJob::TestHelper
+  setup do
+    @user = create(:user)
+  end
+
+  should "allow access to user#get" do
+    sign_in @user
+    get :show, params: { format: :json }
+    assert_response :success
+  end
+
+  should "don't allow user#show if not signed in" do
+    get :show, params: { format: :json }
+    assert_response(:unauthorized)
+  end
+end