Book table should have

• title -> string
• author -> string

Reader table should have

• name -> string

Review table should have

• Foreign keys
• A rating column that stores an integer.
• A review_comment column that stores a string.

• Review#show_review
  • should puts to the terminal a string formatted as follows: Review for {insert book name} by {insert author name}: {insert review rating}. {insert review_comment}

• Book#write_review(reader, rating, review_comment)

  • takes a Reader (an instance of the Reader class), a rating (integer), and a review_comment (string) as arguments, and creates a new Review in the database associated with this Product and the User

• Book#print_all_reviews

  • should puts to the terminal a string representing each review for this book

• Book#rating

  • returns a float representing the average rating for all reviews for this book

• Book.most_reviewed

  • returns the book with the most amount of reviews

• Book.highest_ratings

  • returns the books that has the highest ratings

• Book.best_selling_author

  • returns the author that has the most amount of reviews
  • using puts display: {Author_name} has the highest number of reviews

• Reader#most_favorite

  • returns the book that has the highest ratings from this user

• Reader#change_review(book, new_rating, new_comment)

  • takes a Book instance as an argument and changes the review of the of the book by the reader if there is any updatng the rating: new_rating and review_comment: new_comment

  • returns The reader did not review this book if the review does not exist