limit quiz and results scopes to current_user access

now managers and reviewers can only see quizzes and completed results for those quizzes they have been assigned to.

Gemfile

@@ -54,6 +54,7 @@ group :development, :test do
   gem 'byebug', platform: :mri
   gem 'pry-byebug'
   gem 'pry-rails'
+  gem 'table_print'
   gem 'faker'
 
   gem 'brakeman'

Gemfile.lock

@@ -280,6 +280,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    table_print (1.5.6)
     thor (0.19.4)
     thread_safe (0.3.5)
     tilt (2.0.5)
@@ -348,6 +349,7 @@ DEPENDENCIES
   simplecov
   spring
   spring-watcher-listen (~> 2.0.0)
+  table_print
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)

app/controllers/admin/result_controller.rb

@@ -11,7 +11,7 @@ module Admin
     def index
       sort_case = "(case when review_status = 0 then '' else name end)"
       sort_with_case = sort_column == 'name' ? sort_case : sort_column
-      @candidates = Candidate.where(completed: true)
+      @candidates = current_user.reviewees.where(completed: true)
                                 .includes(:recruiter)
                                 .order("#{sort_with_case} #{sort_direction}")
                                 .page(params[:page])

app/policies/quiz_policy.rb

@@ -25,10 +25,10 @@ class QuizPolicy < ApplicationPolicy
 
   class Scope < Scope
     def resolve
-      if user.reviewer?
-        scope.joins(:reviewers).where('reviewer_to_quizzes.user_id = ?', user.id)
-      else
+      if user.acts_as_recruiter?
         scope
+      else
+        scope.joins(:reviewers).where('reviewer_to_quizzes.user_id = ?', user.id)
       end
     end
   end

test/policies/quiz_policy_test.rb

@@ -15,7 +15,7 @@ class QuizPolicyTest < PolicyAssertions::Test
 
   test 'should allow manager to scope' do
     scope = QuizPolicy::Scope.new(users(:manager), Quiz).resolve
-    assert_equal Quiz.count, scope.count
+    assert_equal users(:manager).quizzes.count, scope.count
   end
 
   test 'should allow reviewer to scope' do