class ForumTopicsController < ApplicationController def index @threads = ForumThread.all end def show @category = Category.find(params[:category_id]) #@forum_topics = ForumTopic.all #@forum_thread = @category&.forum_topics&.forum_thread(params[:forum_thread_id]) @forum_topic = @category.forum_topics.find(params[:id]) @forum_threads = @forum_topic.forum_threads end end private def params params.require(:forum_topic, :title).permit( :description) end