Complete Lesson 37 Part 2

app/controllers/favorites_controller.rb

@@ -1,2 +1,14 @@
 class FavoritesController < ApplicationController
+  before_action :require_signin
+  def create
+    @movie = Movie.find(params[:movie_id])
+    @movie.favorites.create!(user: current_user)
+    redirect_to @movie
+  end
+  def destroy
+    favorite = current_user.favorites.find(params[:id])
+    favorite.destroy
+
+    redirect_to Movie.find(params[:movie_id])
+  end
 end

app/controllers/movies_controller.rb

@@ -6,6 +6,10 @@ class MoviesController < ApplicationController
   end
   def show
     @movie = Movie.find(params[:id])
+    @fans = @movie.fans
+    if current_user
+      @favorite = current_user.favorites.find_by(movie_id: @movie.id)
+    end
   end
   def edit
     @movie = Movie.find(params[:id])

app/controllers/users_controller.rb

@@ -13,6 +13,7 @@ class UsersController < ApplicationController
 
   def show
     @reviews = @user.reviews
+    @favorite_movies = @user.favorite_movies
   end
 
   def create

app/helpers/favorites_helper.rb

@@ -1,2 +1,9 @@
 module FavoritesHelper
+  def fave_or_unfave_button(movie, favorite)
+    if favorite
+      button_to "♡ Unfave", movie_favorite_path(movie, favorite), method: :delete
+    else
+      button_to "♥️ Fave", movie_favorites_path(movie)
+    end
+  end
 end

app/models/movie.rb

@@ -11,6 +11,7 @@ class Movie < ApplicationRecord
 
   has_many :reviews, dependent: :destroy
   has_many :favorites, dependent: :destroy
+  has_many :fans, through: :favorites, source: :user
 
   def flop?
     total_gross.blank? || total_gross < 225_000_000

app/models/user.rb

@@ -3,6 +3,7 @@ class User < ApplicationRecord
   
   has_many :reviews, dependent: :destroy
   has_many :favorites, dependent: :destroy
+  has_many :favorite_movies, through: :favorites, source: :movie
 
   validates :name, presence: true
   validates :email, presence: true, format: { with: /\S+@\S+/ }, uniqueness: { case_sensitive: false }

app/views/movies/show.html.erb

@@ -1,6 +1,14 @@
 <section class="movie-details">
   <div class="image">
     <%= image_tag @movie.image_file_name %>
+    <% if current_user %>
+      <div class="faves">
+        <%= fave_or_unfave_button(@movie, @favorite) %>
+        <div class="count">
+          <%= @fans.size %>
+        </div>
+      </div>
+    <% end %>
   </div>
   <div class="details">
     <h1><%= @movie.title %></h1>
@@ -36,4 +44,16 @@
       <% end %>
     </section>
   </div>
+  <aside>
+    <% if @fans.present? %>
+      <h4>Fans</h4>
+      <ul>
+        <% @fans.each do |user| %>
+          <li>
+            <%= link_to user.name, user %>
+          </li>
+        <% end %>
+      </ul>
+    <% end %>
+  </aside>
 </section>

config/routes.rb

@@ -1,11 +1,11 @@
 Rails.application.routes.draw do
-  resources :favorites
   resource :session, only: [:new, :create, :destroy]
   resources :users
   resources :reviews
     root "movies#index"
 
     resources :movies do
+      resources :favorites, only: [:create, :destroy]
       resources :reviews
     end