require "rails/generators/active_record"
module ActiveRecord
module Generators # :nodoc:
class ModelGenerator < Base # :nodoc:
argument :attributes, type: :array, default: [], banner: "field[:type][:index] field[:type][:index]"
check_class_collision
class_option :migration, type: :boolean
class_option :timestamps, type: :boolean
class_option :parent, type: :string, desc: "The parent class for the generated model"
class_option :indexes, type: :boolean, default: true, desc: "Add indexes for references and belongs_to columns"
class_option :primary_key_type, type: :string, desc: "The type for primary key"
# creates the migration file for the model.
def create_migration_file
return unless options[:migration] && options[:parent].nil?
attributes.each { |a| a.attr_options.delete(:index) if a.reference? && !a.has_index? } if options[:indexes] == false
migration_template "../../migration/templates/create_table_migration.rb", File.join(db_migrate_path, "create_#{table_name}.rb")
end
def create_model_file
generate_application_record
template "model.rb", File.join("app/models", class_path, "#{file_name}.rb")
end
def create_module_file
return if regular_class_path.empty?
generate_application_record
template "module.rb", File.join("app/models", "#{class_path.join('/')}.rb") if behavior == :invoke
end
hook_for :test_framework
private
def attributes_with_index
attributes.select { |a| !a.reference? && a.has_index? }
end
# FIXME: Change this file to a symlink once RubyGems 2.5.0 is required.
def generate_application_record
if behavior == :invoke && !application_record_exist?
template "application_record.rb", application_record_file_name
end
end
# Used by the migration template to determine the parent name of the model
def parent_class_name
options[:parent] || "ApplicationRecord"
end
def application_record_exist?
file_exist = nil
in_root { file_exist = File.exist?(application_record_file_name) }
file_exist
end
def application_record_file_name
@application_record_file_name ||= if mountable_engine?
"app/models/#{namespaced_path}/application_record.rb"
else
"app/models/application_record.rb"
end
end
end
end
end