Move Class::ModelName to Active Support module core_ext

2 files changed, 27 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/core_ext/module.rb b/activesupport/lib/active_support/core_ext/module.rb
index da8d5b3762..34fcbd124b 100644
--- a/activesupport/lib/active_support/core_ext/module.rb
+++ b/activesupport/lib/active_support/core_ext/module.rb
@@ -6,3 +6,8 @@ require 'active_support/core_ext/module/delegation'
 require 'active_support/core_ext/module/introspection'
 require 'active_support/core_ext/module/loading'
 require 'active_support/core_ext/module/aliasing'
+require 'active_support/core_ext/module/model_naming'
+
+class Module
+  include ActiveSupport::CoreExt::Module::ModelNaming
+end
diff --git a/activesupport/lib/active_support/core_ext/module/model_naming.rb b/activesupport/lib/active_support/core_ext/module/model_naming.rb
new file mode 100644
index 0000000000..26e76ab556
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/module/model_naming.rb
@@ -0,0 +1,22 @@
+module ActiveSupport
+  class ModelName < String
+    attr_reader :singular, :plural, :partial_path
+
+    def initialize(name)
+      super
+      @singular = underscore.tr('/', '_').freeze
+      @plural = @singular.pluralize.freeze
+      @partial_path = "#{tableize}/#{demodulize.underscore}".freeze
+    end
+  end
+
+  module CoreExt
+    module Module
+      module ModelNaming
+        def model_name
+          @model_name ||= ModelName.new(name)
+        end
+      end
+    end
+  end
+end