redirect_to post_path(@post)

class CommentsController < ApplicationController

before_action :authenticate_user!

def create
  @topic = Topic.find(params[:topic_id])
  @post = @topic.posts.find(params[:post_id])

  @comment = Comment.new(comment_params)
  @comment.post = @post

  redirect_to post_path(@post)
end

private

def comment_params
    params.require(:comment).permit(:title, :body)
  end
end

Rclone::Application.routes.draw do
  get "comments/create"
  devise_for :users
  resources :users, only: [:update]

  resources :topics do
    resources :posts, except: [:index] do
      resources :comments, only: [:create]
    end
  end

  get '/posts/:id/comments', to: 'posts#show'

  get 'about' => 'welcome#about'

  root to: 'welcome#index'
end