active admin CRUD for app feature

admin/app/admin/app_features.rb

@@ -0,0 +1,21 @@
+ActiveAdmin.register JamRuby::AppFeature, as: 'App Features' do
+  
+  menu parent: 'Misc', label: 'App Features'
+
+  config.sort_order = 'created_at ASC'
+  config.batch_actions = false
+  config.filters = false
+  config.per_page = 50
+  config.paginate = true
+
+  form do |f|
+    f.inputs 'Fields' do
+      f.input(:feature_type, as: :select, collection: JamRuby::AppFeature::FEATURE_TYPES)
+      f.input(:handle, :input_html => { :maxlength => 1025 })
+      f.input(:is_enabled, as: :boolean)
+      f.input(:env, as: :select, collection: %w(production staging development))
+    end
+    f.actions
+  end
+
+end

ruby/lib/jam_ruby/models/app_feature.rb

@@ -1,8 +1,13 @@
-module JamRuby
-  class AppFeature < ActiveRecord::Base
-    self.primary_key = 'id'
-    self.table_name = 'app_features'
+  class JamRuby::AppFeature < ActiveRecord::Base
 
-    attr_accessible :feature_type, :handle, :is_enabled, :env
-  end
+    FEATURE_TYPES = %w(page)
+
+    attr_accessible :feature_type, :handle, :is_enabled, :env, as: :admin
+
+    #self.table_name = 'app_features'
+
+    validates :feature_type, presence: true, inclusion: {in: FEATURE_TYPES}
+    validates :handle, presence: true, length: {maximum: 255}
+    validates :is_enabled, inclusion: {in: [true, false]}
+    validates :env, presence: true, inclusion: {in: %w(production staging development)}
   end