초기화되지 않은 상수 (이름 오류)

Question

actor_drawer.rb

def self.draw(actor) 
    pdf = PDF::Writer.new 
    actors.each do |actor| 
    pdf.text actor.name 
    end 
     pdf.render 
end 

screenshot of actor_drawer.rb

class ActorsController < ApplicationController 
    require 'actor_drawer' 

    def new 
     @actor=Actor.new 

    end 

    def index 
     @actors=Actor.all 
    @actors = @actors.search(params[:search1])if (params[:search1]).present? 
     respond_to do |format| 
    format.html 
    format.pdf do 
     send_data ActorDrawer.draw(@actors), :filename => 'actors.pdf', :type => 'application/pdf', :disposition => 'inline' 
       end 
    end 
    end 

보기 :

<p><%= button_to 'PDF Format', actors_path(:pdf) %></p> 

오류 :

NameError in ActorsController#index uninitialized constant ActorsController::ActorDrawer......error coming at this code " send_data ActorDrawer.draw(@actors), :filename => 'actors.pdf', :type => 'application/pdf', :disposition => 'inline' " 

Answer 1

귀하의 actor_drawer.rb 포함하지 않는 ActorDrawer 클래스/모듈 0

class ActorDrawer 
    def self.draw(actors) 
    # all other code 
    end 
end