module RailsStuff::ResourcesController::ResourceHelper
Defines resource helper and finder method.
Public Instance Methods
resource_helper(name, param: nil, source: nil, **options)
click to toggle source
Defines protected helper method. Ex. for `:user`
helper_method :user def user @user ||= User.find params[:user_id] end
#### Options
-
`source` - class name or Proc returning relation, default to `resource_name.classify`.
-
`param` - param name, default to `resource_name.foreign_key`
rubocop:disable CyclomaticComplexity, PerceivedComplexity, AbcSize
# File lib/rails_stuff/resources_controller/resource_helper.rb, line 19 def resource_helper(name, param: nil, source: nil, **options) RailsStuff.deprecation_07.warn('use :source instead of :class') if options.key?(:class) param ||= name.to_s.foreign_key.to_sym define_method("#{name}?") { params.key?(param) } ivar = :"@#{name}" source ||= options[:class] || name.to_s.classify if source.is_a?(Proc) define_method(name) do instance_variable_get(ivar) || instance_variable_set(ivar, instance_exec(&source).find(params[param])) end else source = Object.const_get(source) unless source.is_a?(Class) define_method(name) do instance_variable_get(ivar) || instance_variable_set(ivar, source.find(params[param])) end end helper_method name, :"#{name}?" protected name, :"#{name}?" end