class Comment < ActiveRecord::Base
  belongs_to :post
  validates_presence_of :date
  validates_presence_of :author
  validates_presence_of :email
  validates_format_of :email, with: /@/
  validates_presence_of :body
end

class CreateCommentTable < ActiveRecord::Migration[6.0]
  def change
    create_table :comments do |t|
      t.references :post, foreign_key: true, index: true
      t.string :author, null: false
      t.string :email, null: false
      t.string :body, null: false
      t.timestamps
    end
  end
end