バリデーションのエラーメッセージについて

module CookOP
  class Application < Rails::Application
    # Settings in config/environments/* take precedence over those specified here.
    # Application configuration should go into files in config/initializers
    # -- all .rb files in that directory are automatically loaded.
  config.i18n.default_locale = :ja
  config.i18n.load_path += Dir[Rails.root.join('config/locales/*.yml').to_s]
  end

ja:
 enums:
  dish:
   dish_name: "料理名"
   introduction: "紹介文"
   dish_image: "画像"

<%= form_with model: @dish, url: dishes_path(current_user.id), method: :post do |f|  %>
      <% if @dish.errors.any? %>
      <div class="row justify-content-center">
        <div class="alert alert-warning">
        <%= @dish.errors.count %>件のエラーが発生しました
        <ul>
          <% @dish.errors.full_messages.each do |message| %>
            <li><%= message %></li>
          <% end %>
        </ul>
        </div>
      </div>
      <% end %>
      <div class="row mb-4">
        <%= f.label "料理名", class:"col-4 col-form-label text-center" %>
        <%= f.text_field :dish_name, class:"col-8 form-control", placeholder:"料理名を入力してください。" %>
      </div>
      <div class="row mb-4">
        <%= f.label "料理画像", class:"col-4 col-form-label text-center" %>
        <%= f.file_field :dish_image, accept: "image/*" %>
      </div>
      <div class="row mb-4">
        <%= f.label "紹介文", class:"col-4 col-form-label text-center" %>
        <%= f.text_area :introduction,
        placeholder:"使用した食材や料理の作り方を書いてみんなにシェアしてください。右下の角を下に引っ張ると記入欄が大きくなります。",
        class:"col-8 form-control" %>
      </div>
      <div class="row">
        <div class="col-12 text-right">
        <%= f.submit "CookOPする",class:"btn btn-light" %>
        </div>
      <% end %

create_table "dishes", force: :cascade do |t|
    t.datetime "created_at", null: false
    t.datetime "updated_at", null: false
    t.integer "user_id"
    t.string "dish_name"
    t.text "introduction"
  end

class Dish < ApplicationRecord
  has_one_attached :dish_image
  belongs_to :user#, optional: true
  has_many :comments, dependent: :destroy
  has_many :favorits, dependent: :destroy

  validates :dish_name, presence: true
  validates :introduction, presence: true
  validates :dish_image, presence: true

class DishesController < ApplicationController

  def new
    @dish = Dish.new

  end

  def ranking
    @all_ranks = Dish.create_all_ranks

  end


  def index
    # @dishes = Dish.all
    @q = Dish.ransack(params[:q])
    @searchs = @q.result(distinct: true).order("id DESC")
  end

  def edit
    @dish = Dish.find(params[:id])
  end

  def show
    @dish = Dish.find(params[:id])
    @comment = Comment.new

    @comments = @dish.comments

  end

  def create
    @dish = Dish.new(dish_params)
    if @dish.save
      redirect_to user_path(current_user.id)
    else
      render :new
    end
  end

  def update
    dish = Dish.find(params[:id])
    if dish.update(dish_params)
      redirect_to dish_path(dish.id)
    else
      render :edit
    end
  end

  def confirm

  end

  def search
    @q = Dish.ransack(params[:q])
   @dishes = @q.result(distinct: true)
  end

  def destroy
        @dish = Dish.find(params[:id])
        if @dish.destroy
            redirect_to user_path(@dish.user_id)
        else
            render :edit
        end
  end

  private

  def dish_params
    params.require(:dish).permit(:dish_name, :introduction, :user_id, :dish_image).merge(user_id: current_user.id)

  end

end