Module: CafeCar::AutoResolver

Included in:
CafeCar
Defined in:
lib/cafe_car/auto_resolver.rb

Instance Method Summary collapse

Instance Method Details

#auto_resolve!(mod) ⇒ Object 



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# File 'lib/cafe_car/auto_resolver.rb', line 3

def auto_resolve!(mod)
  mod.instance_eval <<~RUBY, __FILE__, __LINE__
    def const_missing(name)
      super
    rescue NameError
      CafeCar.define(self, name) or raise
    end
  RUBY
end

#define(mod, name) ⇒ Object 



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# File 'lib/cafe_car/auto_resolver.rb', line 13

def define(mod, name)
  case name.to_s
  when /^\w+Controller$/
    TOPLEVEL_BINDING.eval <<~RUBY, __FILE__, __LINE__
      class #{mod.name}::#{name} < CafeCar[:ApplicationController]
        include CafeCar::Controller
        cafe_car
        self
      end
    RUBY
  when /^\w+Policy$/
    TOPLEVEL_BINDING.eval <<~RUBY, __FILE__, __LINE__
      class #{mod.name}::#{name} < CafeCar[:ApplicationPolicy]
        def admin? = Rails.env.development?

        def index?   = admin?
        def show?    = admin?
        def create?  = admin?
        def update?  = admin?
        def destroy? = admin?

        def permitted_attributes
          model.info.fields.names.then do |names|
            [*model.primary_key].reverse.map(&:to_sym) & names | names
          end
        end

        class Scope < Scope
          def resolve = scope.all
        end
        self
      end
    RUBY
  end
end