Ruby on rails コメント削除機能

posts/show.html
<div class="comment-wrapper">
      <p>コメント一覧</p>
      <% @comments.each do |c| %>
        <div class="user-comment">
          <% unless c.user.blank? %>
           <img src="<%= "/user_images/#{c.user.image_name}" %>">
          <% end %>
          <%= c.user.name unless c.user.blank? %>
          <br />
          <%= c.content %>
          <% if c.user %>
           <%= link_to "削除", comment_path(c), method: :delete, class: "comment-menus" %>
          <% end %>
        </div>
        <br />

class PostsController < ApplicationController
    before_action :authenticate_user
    before_action :ensure_correct_user, {only: [:edit, :update, :destroy]}

  def index
    @posts = Post.all.order(created_at: :desc)
  end

  def show
    @post = Post.find_by(id: params[:id])
    @user = @post.user
    @post = Post.find(params[:id])
    @comments = @post.comments
    @comment = Comment.new
  end

  def new
    @post = Post.new
  end

  def create
    @post = Post.new(
      content: params[:content],
      user_id: @current_user.id,
     )
     if params[:post].present?
      @post.video = params[:post][:video]
      print params
     end
    if @post.save
     flash[:notice] = "投稿を作成しました"
     redirect_to("/posts/index")
    else
     render("posts/new")
    end
  end

 def edit
   @post = Post.find_by(id: params[:id])
 end

 def update
    @post = Post.find_by(id: params[:id])
    @post.content = params[:content]
   if @post.save
    flash[:notice] = "投稿を編集しました"
    redirect_to("/posts/index")
   else
    render("posts/edit")
   end
 end

 def destroy
   @post = Post.find_by(id: params[:id])
   @post.destroy
   flash[:notice] = "投稿を削除しました"
   redirect_to("/posts/index")
 end

 def ensure_correct_user
     @post = Post.find_by(id: params[:id])
     if @post.user_id != @current_user.id
       flash[:notice] = "権限がありません"
       redirect_to("/posts/index")
     end
 end
end