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rails--rails/railties/lib/rails/generators/named_base.rb
2010-03-17 00:09:43 +01:00

99 lines
2.9 KiB
Ruby

require 'rails/generators/base'
require 'rails/generators/generated_attribute'
module Rails
module Generators
class NamedBase < Base
argument :name, :type => :string
def initialize(args, *options) #:nodoc:
# Unfreeze name in case it's given as a frozen string
args[0] = args[0].dup if args[0].is_a?(String) && args[0].frozen?
super
assign_names!(self.name)
parse_attributes! if respond_to?(:attributes)
end
protected
attr_reader :class_path, :file_name
alias :singular_name :file_name
def file_path
@file_path ||= (class_path + [file_name]).join('/')
end
def class_name
@class_name ||= (class_path + [file_name]).map!{ |m| m.camelize }.join('::')
end
def human_name
@human_name ||= singular_name.humanize
end
def plural_name
@plural_name ||= singular_name.pluralize
end
def i18n_scope
@i18n_scope ||= file_path.gsub('/', '.')
end
def table_name
@table_name ||= begin
base = pluralize_table_names? ? plural_name : singular_name
(class_path + [base]).join('_')
end
end
# Tries to retrieve the application name or simple return application.
def application_name
if defined?(Rails) && Rails.application
Rails.application.class.name.split('::').first.underscore
else
"application"
end
end
def assign_names!(name) #:nodoc:
@class_path = name.include?('/') ? name.split('/') : name.split('::')
@class_path.map! { |m| m.underscore }
@file_name = @class_path.pop
end
# Convert attributes array into GeneratedAttribute objects.
def parse_attributes! #:nodoc:
self.attributes = (attributes || []).map do |key_value|
name, type = key_value.split(':')
Rails::Generators::GeneratedAttribute.new(name, type)
end
end
def pluralize_table_names?
!defined?(ActiveRecord::Base) || ActiveRecord::Base.pluralize_table_names
end
# Add a class collisions name to be checked on class initialization. You
# can supply a hash with a :prefix or :suffix to be tested.
#
# ==== Examples
#
# check_class_collision :suffix => "Observer"
#
# If the generator is invoked with class name Admin, it will check for
# the presence of "AdminObserver".
#
def self.check_class_collision(options={})
define_method :check_class_collision do
name = if self.respond_to?(:controller_class_name) # for ScaffoldBase
controller_class_name
else
class_name
end
class_collisions "#{options[:prefix]}#{name}#{options[:suffix]}"
end
end
end
end
end