Installed authentication-zero

app/models/user.rb

@@ -0,0 +1,26 @@
+class User < ApplicationRecord
+  has_secure_password
+
+  generates_token_for :email_verification, expires_in: 2.days do
+    email
+  end
+  generates_token_for :password_reset, expires_in: 20.minutes do
+    password_salt.last(10)
+  end
+
+
+  has_many :sessions, dependent: :destroy
+
+  validates :email, presence: true, uniqueness: true, format: { with: URI::MailTo::EMAIL_REGEXP }
+  validates :password, allow_nil: true, length: { minimum: 12 }
+
+  normalizes :email, with: -> { _1.strip.downcase }
+
+  before_validation if: :email_changed?, on: :update do
+    self.verified = false
+  end
+
+  after_update if: :password_digest_previously_changed? do
+    sessions.where.not(id: Current.session).delete_all
+  end
+end