Refactor reference to user class to something configurable by the eng…

…ine.

app/models/spotlight/ability.rb

@@ -6,7 +6,7 @@ module Ability
 
     # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
     def initialize(user)
-      user ||= ::User.new
+      user ||= Spotlight::Engine.user_class.new
 
       alias_action :process_import, to: :import
 

app/models/spotlight/exhibit.rb

@@ -32,7 +32,7 @@ class Exhibit < ActiveRecord::Base
     has_many :roles, dependent: :delete_all
     has_many :searches, dependent: :destroy, extend: FriendlyId::FinderMethods
     has_many :solr_document_sidecars, dependent: :delete_all
-    has_many :users, through: :roles, class_name: '::User'
+    has_many :users, through: :roles, class_name: Spotlight::Engine.config.user_class
     has_many :pages, dependent: :destroy
 
     has_one :blacklight_configuration, class_name: 'Spotlight::BlacklightConfiguration', dependent: :delete

app/models/spotlight/page.rb

@@ -8,8 +8,8 @@ class Page < ActiveRecord::Base
     friendly_id :title, use: [:slugged, :scoped, :finders, :history], scope: :exhibit
 
     belongs_to :exhibit, touch: true
-    belongs_to :created_by, class_name: '::User'
-    belongs_to :last_edited_by, class_name: '::User'
+    belongs_to :created_by, class_name: Spotlight::Engine.config.user_class
+    belongs_to :last_edited_by, class_name: Spotlight::Engine.config.user_class
     validates :weight, inclusion: { in: proc { 0..Spotlight::Page::MAX_PAGES } }
 
     default_scope { order('weight ASC') }

app/models/spotlight/role.rb

@@ -4,7 +4,7 @@ module Spotlight
   class Role < ActiveRecord::Base
     ROLES = %w(admin curator)
     belongs_to :exhibit
-    belongs_to :user, class_name: '::User', autosave: true
+    belongs_to :user, class_name: Spotlight::Engine.config.user_class, autosave: true
     validates :role, inclusion: { in: ROLES }
     validates :user_key, presence: true
     validate :user_must_exist, if: -> { user_key.present? }
@@ -21,7 +21,7 @@ def user_key
     # setting user key causes the user to get set
     def user_key=(key)
       @user_key = key
-      self.user ||= ::User.find_by_user_key(key)
+      self.user ||= Spotlight::Engine.user_class.find_by_user_key(key)
       user.user_key = key if user
     end
 

lib/spotlight/engine.rb

@@ -43,6 +43,10 @@ class Engine < ::Rails::Engine
       FactoryGirl.definition_file_paths << File.expand_path('../../../spec/factories', __FILE__) if defined?(FactoryGirl)
     end
 
+    def self.user_class
+      Spotlight::Engine.config.user_class.constantize
+    end
+
     def self.catalog_controller
       Spotlight::Engine.config.catalog_controller_class.constantize
     end
@@ -51,6 +55,8 @@ def self.blacklight_config
       Spotlight::Engine.config.default_blacklight_config || catalog_controller.blacklight_config
     end
 
+    Spotlight::Engine.config.user_class = '::User'
+
     Spotlight::Engine.config.catalog_controller_class = '::CatalogController'
     Spotlight::Engine.config.default_blacklight_config = nil
 

lib/tasks/spotlight_tasks.rake

@@ -60,7 +60,7 @@ namespace :spotlight do
   end
 
   def prompt_to_create_user
-    User.find_or_create_by!(email: prompt_for_email) do |u|
+    Spotlight::Engine.user_class.find_or_create_by!(email: prompt_for_email) do |u|
       puts 'User not found. Enter a password to create the user.'
       u.password = prompt_for_password
     end

spec/spec_helper.rb

@@ -59,7 +59,7 @@
     DatabaseCleaner.start
 
     # The first user is automatically granted admin privileges; we don't want that behavior for many of our tests
-    User.create email: 'initial+admin@example.com', password: 'password', password_confirmation: 'password'
+    Spotlight::Engine.user_class.create email: 'initial+admin@example.com', password: 'password', password_confirmation: 'password'
   end
 
   config.after do

spec/views/_user_util_links.html.erb_spec.rb

@@ -32,7 +32,7 @@ module Spotlight
     end
 
     describe 'when user is logged in' do
-      let(:current_user) { ::User.new }
+      let(:current_user) { Spotlight::Engine.user_class.new }
       it 'renders the links' do
         render
         expect(rendered).to have_link 'Feedback'
@@ -42,7 +42,7 @@ module Spotlight
     end
 
     describe 'when user is a curator' do
-      let(:current_user) { ::User.new }
+      let(:current_user) { Spotlight::Engine.user_class.new }
       before do
         allow(view).to receive(:can?).with(:update, current_exhibit).and_return(false)
         allow(view).to receive(:can?).with(:create, Spotlight::Exhibit).and_return(false)
@@ -56,7 +56,7 @@ module Spotlight
       end
     end
     describe 'when user is an admin' do
-      let(:current_user) { ::User.new }
+      let(:current_user) { Spotlight::Engine.user_class.new }
       before do
         allow(view).to receive(:can?).with(:update, current_exhibit).and_return(true)
         allow(view).to receive(:can?).with(:create, Spotlight::Exhibit).and_return(false)
@@ -71,7 +71,7 @@ module Spotlight
     end
 
     describe 'when user is a site-wide admin' do
-      let(:current_user) { ::User.new }
+      let(:current_user) { Spotlight::Engine.user_class.new }
       before do
         allow(view).to receive(:can?).with(:update, current_exhibit).and_return(true)
         allow(view).to receive(:can?).with(:create, Spotlight::Exhibit).and_return(true)

spec/views/spotlight/exhibits/index.html.erb_spec.rb

@@ -4,7 +4,7 @@ module Spotlight
   describe 'spotlight/exhibits/index', type: :view do
     let(:exhibits) { Spotlight::Exhibit.none }
     let(:ability) { ::Ability.new(user) }
-    let(:user) { ::User.new }
+    let(:user) { Spotlight::Engine.user_class.new }
 
     before do
       assign(:exhibits, exhibits)

spec/views/spotlight/roles/index.html.erb_spec.rb

@@ -2,7 +2,7 @@
 
 module Spotlight
   describe 'spotlight/roles/index', type: :view do
-    let(:user) { stub_model(::User, email: 'jane@example.com') }
+    let(:user) { stub_model(Spotlight::Engine.user_class, email: 'jane@example.com') }
 
     let(:exhibit) { FactoryGirl.create(:exhibit) }
     let(:admin_role) { FactoryGirl.create(:role, role: 'admin', user: user, exhibit: exhibit) }