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rails--rails/railties/lib/rails/generators/resource_helpers.rb
2011-03-05 11:56:35 +01:00

80 lines
2.5 KiB
Ruby

require 'rails/generators/active_model'
module Rails
module Generators
# Deal with controller names on scaffold and add some helpers to deal with
# ActiveModel.
#
module ResourceHelpers
mattr_accessor :skip_warn
def self.included(base) #:nodoc:
base.class_option :force_plural, :type => :boolean, :desc => "Forces the use of a plural ModelName"
end
# Set controller variables on initialization.
#
def initialize(*args) #:nodoc:
super
if name == name.pluralize && name.singularize != name.pluralize && !options[:force_plural]
unless ResourceHelpers.skip_warn
say "Plural version of the model detected, using singularized version. Override with --force-plural."
ResourceHelpers.skip_warn = true
end
name.replace name.singularize
assign_names!(name)
end
@controller_name = name.pluralize
end
protected
attr_reader :controller_name
def controller_class_path
class_path
end
def controller_file_name
@controller_file_name ||= file_name.pluralize
end
def controller_file_path
@controller_file_path ||= (controller_class_path + [controller_file_name]).join('/')
end
def controller_class_name
(controller_class_path + [controller_file_name]).map!{ |m| m.camelize }.join('::')
end
def controller_i18n_scope
@controller_i18n_scope ||= controller_file_path.gsub('/', '.')
end
# Loads the ORM::Generators::ActiveModel class. This class is responsible
# to tell scaffold entities how to generate an specific method for the
# ORM. Check Rails::Generators::ActiveModel for more information.
def orm_class
@orm_class ||= begin
# Raise an error if the class_option :orm was not defined.
unless self.class.class_options[:orm]
raise "You need to have :orm as class option to invoke orm_class and orm_instance"
end
begin
"#{options[:orm].to_s.classify}::Generators::ActiveModel".constantize
rescue NameError => e
Rails::Generators::ActiveModel
end
end
end
# Initialize ORM::Generators::ActiveModel to access instance methods.
def orm_instance(name=singular_table_name)
@orm_instance ||= @orm_class.new(name)
end
end
end
end