【学習6.0】【Windows】レビューコントローラ

「app\controllers」フォルダに「reviews_controller.rb」ファイルを新規作成してください。


app\controllers\reviews_controller.rb(新規作成したファイル)

class ReviewsController < ApplicationController

	def create

		if Review.exists?(project_id: review_params[:project_id], user_id: current_user.id)
			flash[:alert] = "レビュー済みです。"
		else

			@review = Review.create(review_params)
			project = @review.project

			if @review.save
				flash[:notice] = "レビューを投稿しました。"
			else
				flash[:alert] = "レビューできません"
			end
		
		end
		redirect_to request.referrer
	end
    
	def destroy
		@review = Review.find(params[:id])
		project = @review.project
		@review.destroy

		flash[:alert] = "レビューを削除しました。"

		redirect_to project
    end
    
    private
    
    def review_params
        params.require(:review).permit(:stars, :review, :project_id, :user_id)
    end
    
end

「app\controllers\project_controller.rb」ファイルに以下の記述を追加します。

記述追加　app\controllers\project_controller.rb(18行目)

    @review = Review.new
    @reviews = @project.reviews.order('created_at desc')

    @hasReview = @reviews.find_by(user_id: current_user.id) if current_user

app\controllers\project_controller.rb

class ProjectController < ApplicationController

  before_action :set_project, only: [:show]
  before_action :authenticate_user!, only: [:list]

  def index
  	@projects = Project.all
  end

  def show
  	@tasks = @project.tasks.order(:tag)
    @joined = false
    	if !current_user.nil? && !current_user.projects.nil?
    		@joined = current_user.projects.include?(@project)
    	end
      @users = @project.users.order('created_at desc').first(10)
      
      @review = Review.new
      @reviews = @project.reviews.order('created_at desc')
      
      @hasReview = @reviews.find_by(user_id: current_user.id) if current_user
  end

  def list
    if !current_user.nil?
      @projects = current_user.projects
    end
  end

  private
  
    # コールバックを使用して、アクション間で共通のセットアップまたは制約を共有します。
    def set_project
      @project = Project.find(params[:id])
    end
    # 信頼できるパラメータのリストのみを許可します。
    def project_params
      params.require(:project).permit(:name, :content, :price, :active, :description)
    end
end

ルートの設定をします。


１．20行目に以下の記述を追加します。

post '/reviews', to: 'reviews#create'

２．24行目に以下の記述を追加します。

resources :reviews, only: [:create, :destroy]

記述追加　config\routes.rb

Rails.application.routes.draw do

  # ルートを　app\views\pages\home.html.erb　に設定
  root 'pages#home'

  devise_for :users, 
              path: '', 
              path_names: {sign_up: 'register', sign_in: 'login', edit: 'profile', sign_out: 'logout'},
              controllers: {omniauth_callbacks: 'omniauth_callbacks', registrations: 'registrations'}

  get 'pages/home'
  get '/dashboard', to: 'users#dashboard'
  get '/users/:id', to: 'users#show', as: 'users'
  get '/myprojects' => 'project#list'
  get 'settings/payment', to: 'users#payment', as: 'settings_payment'

  post '/users/edit', to: 'users#update'
  post '/free' => 'charge#free'
  post '/settings/payment', to: 'users#update_payment', as: "update_payment"
  post '/reviews', to: 'reviews#create'

  resources :project do
    resources :task, only: [:show]
    resources :reviews, only: [:create, :destroy]
  end  

  # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html

end