Gab Social. All are welcome.

app/controllers/auth/confirmations_controller.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class Auth::ConfirmationsController < Devise::ConfirmationsController
+  layout 'auth'
+
+  before_action :set_body_classes
+  before_action :set_user, only: [:finish_signup]
+
+  def finish_signup
+    return unless request.patch? && params[:user]
+
+    if @user.update(user_params)
+      @user.skip_reconfirmation!
+      bypass_sign_in(@user)
+      redirect_to root_path, notice: I18n.t('devise.confirmations.send_instructions')
+    else
+      @show_errors = true
+    end
+  end
+
+  private
+
+  def set_user
+    @user = current_user
+  end
+
+  def set_body_classes
+    @body_classes = 'lighter'
+  end
+
+  def user_params
+    params.require(:user).permit(:email)
+  end
+
+  def after_confirmation_path_for(_resource_name, user)
+    if user.created_by_application && truthy_param?(:redirect_to_app)
+      user.created_by_application.redirect_uri
+    else
+      super
+    end
+  end
+end