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require 'rails/generators/active_model'
require 'rails/generators/model_helpers'
module Rails
module Generators
# Deal with controller names on scaffold and add some helpers to deal with
# ActiveModel.
module ResourceHelpers # :nodoc:
def self.included(base) #:nodoc:
base.include(Rails::Generators::ModelHelpers)
base.class_option :model_name, type: :string, desc: "ModelName to be used"
end
# Set controller variables on initialization.
def initialize(*args) #:nodoc:
super
controller_name = name
if options[:model_name]
self.name = options[:model_name]
assign_names!(self.name)
end
assign_controller_names!(controller_name.pluralize)
end
protected
attr_reader :controller_name, :controller_file_name
def controller_class_path
if options[:model_name]
@controller_class_path
else
class_path
end
end
def assign_controller_names!(name)
@controller_name = name
@controller_class_path = name.include?('/') ? name.split('/') : name.split('::')
@controller_class_path.map!(&:underscore)
@controller_file_name = @controller_class_path.pop
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!(&:camelize).join('::')
end
def controller_i18n_scope
@controller_i18n_scope ||= controller_file_path.tr('/', '.')
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.camelize}::Generators::ActiveModel".constantize
rescue NameError
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
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