Ratings model

Author: xuorig

app/models/film.rb

@@ -8,4 +8,7 @@ class Film < ApplicationRecord
     join_table: 'films_people',
     foreign_key: 'film_id',
     association_foreign_key: 'person_id'
+
+  has_many :ratings
+  has_many :users, through: :ratings
 end

app/models/rating.rb

@@ -0,0 +1,4 @@
+class Rating < ApplicationRecord
+  belongs_to :user
+  belongs_to :film
+end

app/models/user.rb

@@ -0,0 +1,4 @@
+class User < ApplicationRecord
+  has_many :ratings
+  has_many :films, through: :ratings
+end

db/migrate/20170212195638_create_ratings.rb

@@ -0,0 +1,15 @@
+class CreateRatings < ActiveRecord::Migration[5.0]
+  def change
+    create_table :users do |t|
+      t.string :name
+      t.timestamps
+    end
+
+    create_table :ratings do |t|
+      t.belongs_to :user, index: true
+      t.belongs_to :film, index: true
+      t.integer :rating
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170211182808) do
+ActiveRecord::Schema.define(version: 20170212195638) do
 
   create_table "films", force: :cascade do |t|
     t.string   "title"
@@ -103,6 +103,16 @@
     t.datetime "updated_at",      null: false
   end
 
+  create_table "ratings", force: :cascade do |t|
+    t.integer  "user_id"
+    t.integer  "film_id"
+    t.integer  "rating"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["film_id"], name: "index_ratings_on_film_id"
+    t.index ["user_id"], name: "index_ratings_on_user_id"
+  end
+
   create_table "species", force: :cascade do |t|
     t.string   "name"
     t.string   "classification"
@@ -137,6 +147,12 @@
     t.datetime "updated_at",             null: false
   end
 
+  create_table "users", force: :cascade do |t|
+    t.string   "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "vehicles", force: :cascade do |t|
     t.string   "name"
     t.string   "model"

test/fixtures/ratings.yml

@@ -0,0 +1,4 @@
+good-rating:
+  user: test-user
+  film: a-new-hope
+  rating: 5

test/fixtures/users.yml

@@ -0,0 +1,2 @@
+test-user:
+  name: xuorig