#---
# Excerpted from "Agile Web Development with Rails 5.1",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose.
# Visit http://www.pragmaticprogrammer.com/titles/rails51 for more book information.
#---
class Product < ApplicationRecord
  validates :title, :description, :image_url, presence: true
# 
  validates :title, uniqueness: true
  validates :image_url, allow_blank: true, format: {
    with:    %r{\.(gif|jpg|png)\Z}i,
    message: 'must be a URL for GIF, JPG or PNG image.'
  }
  validates :price, numericality: { greater_than_or_equal_to: 0.01 }

end
