Add user modelo simulation

lib/generators/auth/templates/models/user.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+#= User
+#
+# A person who has an account on the site (via Google Cloud Identity Platform).
+class User < ApplicationRecord
+  validates :identity_platform_id, presence: true, uniqueness: true
+
+  def self.from_identity_token(token)
+    return unless token.valid?
+
+    find_or_initialize_by(identity_platform_id: token.subject).tap do |user|
+      user.update! token.payload.slice(:name, :email)
+    end
+  end
+end

lib/generators/auth/templates/models/user_migration.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class CreateUsers < ActiveRecord::Migration[7.0]
+    def change
+        create_table :users do |t|
+        t.string :email
+        t.string :name
+        t.string :identity_platform_id, null: false
+
+        t.timestamps
+
+        t.index %i[identity_platform_id], name: :UK_user_identity_platform, unique: true
+        end
+    end
+end
+