Complete Lesson 38 Part 2

app/controllers/movies_controller.rb

@@ -7,6 +7,8 @@ class MoviesController < ApplicationController
   def show
     @movie = Movie.find(params[:id])
     @fans = @movie.fans
+    @genres = @movie.genres.order(:name)
+
     if current_user
       @favorite = current_user.favorites.find_by(movie_id: @movie.id)
     end
@@ -43,6 +45,6 @@ class MoviesController < ApplicationController
   private
 
   def movie_params
-    params.require(:movie).permit(:title, :description, :rating, :released_on, :total_gross, :director, :duration, :image_file_name)
+    params.require(:movie).permit(:title, :description, :rating, :released_on, :total_gross, :director, :duration, :image_file_name, genre_ids: [])
   end
 end

app/views/movies/_form.html.erb

@@ -10,6 +10,10 @@
   <%= f.label :rating %>
   <%= f.select :rating, Movie::RATINGS, prompt: "Pick one" %>
 
+  <div class="checkboxes">
+    <%= f.collection_check_boxes(:genre_ids, Genre.order(:name), :id, :name) %>
+  </div>
+
   <%= f.label :released_on %>
   <%= f.date_field :released_on %>
 

app/views/movies/show.html.erb

@@ -55,5 +55,13 @@
         <% end %>
       </ul>
     <% end %>
+    <% if @genres.present? %>
+      <h4>Genres</h4>
+      <ul>
+        <% @genres.each do |g| %>
+          <li><%= g.name %></li>
+        <% end %>
+      </ul>
+    <% end %>
   </aside>
 </section>