Extract User::Confirmation concern (#35582)

app/models/concerns/user/confirmation.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module User::Confirmation
+  extend ActiveSupport::Concern
+
+  included do
+    scope :confirmed, -> { where.not(confirmed_at: nil) }
+    scope :unconfirmed, -> { where(confirmed_at: nil) }
+
+    def confirm
+      wrap_email_confirmation { super }
+    end
+  end
+
+  def confirmed?
+    confirmed_at.present?
+  end
+
+  def unconfirmed?
+    !confirmed?
+  end
+end