Initial commit

app/models/user.rb

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+class User < ApplicationRecord
+  # Include default devise modules. Others available are:
+  # :recoverable, :rememberable, :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
+  devise :database_authenticatable, :registerable,
+         :validatable
+
+  # associations
+  has_many :blacklisted_tokens, dependent: :destroy
+  has_many :refresh_tokens, dependent: :destroy
+
+  # role-based authorization
+  enum :role, { user: 0, admin: 1, moderator: 2 }
+
+  # validations so your db doesn't turn into a trash can
+  validates :email, presence: true, uniqueness: true, format: { with: URI::MailTo::EMAIL_REGEXP }
+  validates :password, presence: true, length: { minimum: 6 }, if: -> { new_record? || !password.nil? }
+end