Complete Lesson 22

app/models/movie.rb

@@ -9,6 +9,8 @@ class Movie < ApplicationRecord
   RATINGS = %w(G PG PG-13 R X NC-17)
   validates :rating, inclusion: { in: RATINGS }
 
+  has_many :reviews, dependent: :destroy
+
   def flop?
     total_gross.blank? || total_gross < 225_000_000
   end

app/models/review.rb

@@ -1,3 +1,7 @@
 class Review < ApplicationRecord
   belongs_to :movie
+
+  validates :name, presence: true
+  validates :comment, length: { minimum: 4 }
+  validates :stars, numericality: { greater_than_or_equal_to: 1, less_than_or_equal_to: 5 }
 end