Complete Lesson 38 Part 1

app/controllers/genres_controller.rb

@@ -0,0 +1,2 @@
+class GenresController < ApplicationController
+end

app/helpers/genres_helper.rb

@@ -0,0 +1,2 @@
+module GenresHelper
+end

app/models/characterization.rb

@@ -0,0 +1,4 @@
+class Characterization < ApplicationRecord
+  belongs_to :movie
+  belongs_to :genre
+end

app/models/genre.rb

@@ -0,0 +1,6 @@
+class Genre < ApplicationRecord
+  validates :name, presence: true, uniqueness: true
+
+  has_many :characterizations, dependent: :destroy
+  has_many :movies, through: :characterizations
+end

app/models/movie.rb

@@ -12,6 +12,8 @@ class Movie < ApplicationRecord
   has_many :reviews, dependent: :destroy
   has_many :favorites, dependent: :destroy
   has_many :fans, through: :favorites, source: :user
+  has_many :characterizations, dependent: :destroy
+  has_many :genres, through: :characterizations
 
   def flop?
     total_gross.blank? || total_gross < 225_000_000

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :genres
   resource :session, only: [:new, :create, :destroy]
   resources :users
   resources :reviews

db/migrate/20230927130352_create_genres.rb

@@ -0,0 +1,9 @@
+class CreateGenres < ActiveRecord::Migration[7.0]
+  def change
+    create_table :genres do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20230927130526_create_characterizations.rb

@@ -0,0 +1,10 @@
+class CreateCharacterizations < ActiveRecord::Migration[7.0]
+  def change
+    create_table :characterizations do |t|
+      t.references :movie, null: false, foreign_key: true
+      t.references :genre, null: false, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,16 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_09_27_123732) do
+ActiveRecord::Schema[7.0].define(version: 2023_09_27_130526) do
+  create_table "characterizations", force: :cascade do |t|
+    t.integer "movie_id", null: false
+    t.integer "genre_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["genre_id"], name: "index_characterizations_on_genre_id"
+    t.index ["movie_id"], name: "index_characterizations_on_movie_id"
+  end
+
   create_table "favorites", force: :cascade do |t|
     t.integer "movie_id", null: false
     t.integer "user_id", null: false
@@ -20,6 +29,12 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_27_123732) do
     t.index ["user_id"], name: "index_favorites_on_user_id"
   end
 
+  create_table "genres", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "movies", force: :cascade do |t|
     t.string "title"
     t.string "rating"
@@ -52,6 +67,8 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_27_123732) do
     t.boolean "admin", default: false
   end
 
+  add_foreign_key "characterizations", "genres"
+  add_foreign_key "characterizations", "movies"
   add_foreign_key "favorites", "movies"
   add_foreign_key "favorites", "users"
   add_foreign_key "reviews", "movies"

test/controllers/genres_controller_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class GenresControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/fixtures/characterizations.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  movie: one
+  genre: one
+
+two:
+  movie: two
+  genre: two

test/fixtures/genres.yml

@@ -0,0 +1,7 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+
+two:
+  name: MyString

test/models/characterization_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class CharacterizationTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/models/genre_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class GenreTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end