slangs_controller.rb

class SlangsController < ApplicationController
    before_action :require_login
    skip_before_action :require_login, only: [:index, :search, :show]
    def index
        @slangs = Slang.all
    end 
    def new
        @slang = Slang.new
        3.times{@slang.definitions.build}
    end 
    def create
        all_params = slang_params
        all_params[:user] = User.find(session[:user_id])
        @slang = Slang.create(all_params)
        if @slang.save        
        redirect_to slang_path(@slang)
        else  
            flash[:errors]=@slang.errors.full_messages
            render :new
        end 
    end 
  private
    def slang_params
        params.require(:slang).permit(:phrase, :origin, definitions_attributes: [:id, :meaning, :language, :_destroy])
    end