Use Alchemy::Configuration for config

Instead of our own config we make use of the
new `Alchemy::Configuration` introduced in
Alchemy 8.0, which gives better DX.

All exising config setters and getters are still
working, but are deprecated.

Author: tvdeyen

README.md

@@ -43,13 +43,13 @@ Default Devise modules included in `Alchemy::User` model
 - `:timeoutable`
 - `:recoverable`
 
-If you want to add additional modules into the Alchemy user class append them to `Alchemy.devise_modules` in an initializer in your app.
+If you want to add additional modules into the Alchemy user class append them to `Alchemy::Devise.config.devise_modules` in an initializer in your app.
 
 ### Register additional modules example
 
 ```ruby
 # config/initializers/alchemy.rb
-Alchemy.devise_modules << :registerable
+Alchemy::Devise.config.devise_modules << :registerable
 ```
 
 ### Using old encryption
@@ -58,7 +58,7 @@ If your app uses an old encryption that needs the +devise-encryptable+ gem you a
 
 ```ruby
 # config/initializers/alchemy.rb
-Alchemy.devise_modules << :encryptable
+Alchemy::Devise.config.devise_modules << :encryptable
 ```
 
 ## Testing

app/controllers/alchemy/admin/passwords_controller.rb

@@ -9,7 +9,7 @@ class PasswordsController < ::Devise::PasswordsController
 
       helper "Alchemy::Admin::Base"
 
-      layout Alchemy::Devise.layout
+      layout Alchemy::Devise.config.layout
 
       private
 

app/controllers/alchemy/admin/user_sessions_controller.rb

@@ -13,7 +13,7 @@ class UserSessionsController < ::Devise::SessionsController
 
       helper "Alchemy::Admin::Base"
 
-      layout Alchemy::Devise.layout
+      layout Alchemy::Devise.config.layout
 
       def create
         authenticate_user!
@@ -49,7 +49,7 @@ def check_user_count
 
       # Overwriting the default of Devise
       def after_sign_out_path_for(resource_or_scope)
-        if request.referer.blank? || request.referer.to_s =~ /admin/
+        if request.referer.blank? || request.referer.to_s.include?("admin")
           root_path
         else
           request.referer

app/models/alchemy/user.rb

@@ -17,7 +17,7 @@ class User < ActiveRecord::Base
       :tag_list
     ]
 
-    devise(*Alchemy.devise_modules)
+    devise(*Alchemy::Devise.config.devise_modules)
 
     include Alchemy::Taggable
 

lib/alchemy/devise.rb

@@ -1,48 +1,33 @@
+require "alchemy/devise/configuration"
 require "alchemy/devise/engine"
 
 module Alchemy
-  # Devise modules included in +Alchemy::User+ model
-  #
-  # === Default modules
-  #
-  #     [
-  # .      :database_authenticatable,
-  #       :trackable,
-  #       :validatable,
-  #       :timeoutable,
-  #       :recoverable
-  # .    ]
-  #
-  # If you want to add additional modules into the Alchemy user class append
-  # them to this collection in an initializer in your app.
-  #
-  # === Example
-  #
-  #     # config/initializers/alchemy.rb
-  #     Alchemy.devise_modules << :registerable
-  #
-  # If your app uses an old encryption that needs the +devise-encryptable+ gem
-  # you also need to load the devise module.
-  #
-  #     Alchemy.devise_modules << :encryptable
-  #
-  def self.devise_modules
-    @devise_modules ||= [
-      :database_authenticatable,
-      :trackable,
-      :validatable,
-      :timeoutable,
-      :recoverable
-    ]
-  end
-
   module Devise
-    def self.layout=(value)
-      @layout = value
+    extend self
+
+    def deprecator
+      ActiveSupport::Deprecation.new("9.0", "Alchemy::Devise")
     end
 
-    def self.layout
-      @layout || "alchemy/admin"
+    delegate :layout=, to: :config
+    deprecate "layout=": "Use `Alchemy::Devise.config.layout=` instead.",
+      deprecator: Alchemy::Devise.deprecator
+
+    delegate :layout, to: :config
+    deprecate layout: "Use `Alchemy::Devise.config.layout` instead.",
+      deprecator: Alchemy::Devise.deprecator
+
+    def config
+      @config ||= Alchemy::Devise::Configuration.new
+    end
+
+    def configure(&blk)
+      yield config
     end
   end
+
+  extend self
+
+  deprecate devise_modules: "Alchemy::Devise.config.devise_modules", deprecator: Alchemy::Devise.deprecator
+  delegate :devise_modules, to: "Alchemy::Devise.config"
 end

lib/alchemy/devise/configuration.rb

@@ -0,0 +1,44 @@
+require "alchemy/configuration"
+
+module Alchemy
+  module Devise
+    class Configuration < Alchemy::Configuration
+      # Layout for Alchemy Devise controllers
+      # Default is +alchemy/admin+
+      option :layout, :string, default: "alchemy/admin"
+
+      # Devise modules included in +Alchemy::User+ model
+      #
+      # === Default modules
+      #
+      #     [
+      #       :database_authenticatable,
+      #       :trackable,
+      #       :validatable,
+      #       :timeoutable,
+      #       :recoverable
+      #     ]
+      #
+      # If you want to add additional modules into the Alchemy user class append
+      # them to this collection in an initializer in your app.
+      #
+      # === Example
+      #
+      #     # config/initializers/alchemy.rb
+      #     Alchemy::Devise.config.devise_modules << :registerable
+      #
+      # If your app uses an old encryption that needs the +devise-encryptable+ gem
+      # you also need to load the devise module.
+      #
+      #     Alchemy::Devise.config.devise_modules << :encryptable
+      #
+      option :devise_modules, :collection, collection_class: Set, item_type: :symbol, default: [
+        :database_authenticatable,
+        :trackable,
+        :validatable,
+        :timeoutable,
+        :recoverable
+      ]
+    end
+  end
+end

spec/libraries/alchemy/devise_spec.rb

@@ -0,0 +1,19 @@
+require "rails_helper"
+
+RSpec.describe Alchemy::Devise do
+  describe ".layout" do
+    it "delegates to Alchemy::Devise.config.layout" do
+      Alchemy::Devise.deprecator.silenced do
+        expect(Alchemy::Devise.layout).to eq(Alchemy::Devise.config.layout)
+      end
+    end
+
+    it "is deprecated" do
+      expect_any_instance_of(ActiveSupport::Deprecation).to receive(:warn).with(
+        a_string_including("layout is deprecated"),
+        an_instance_of(Array)
+      )
+      Alchemy::Devise.layout
+    end
+  end
+end

spec/libraries/alchemy_spec.rb

@@ -0,0 +1,19 @@
+require "rails_helper"
+
+RSpec.describe Alchemy do
+  describe ".devise_modules" do
+    it "delegates to Alchemy::Devise.config.devise_modules" do
+      Alchemy::Devise.deprecator.silenced do
+        expect(Alchemy.devise_modules).to eq(Alchemy::Devise.config.devise_modules)
+      end
+    end
+
+    it "is deprecated" do
+      expect_any_instance_of(ActiveSupport::Deprecation).to receive(:warn).with(
+        a_string_including("devise_modules is deprecated"),
+        an_instance_of(Array)
+      )
+      Alchemy.devise_modules
+    end
+  end
+end