invite user after order is paid

see #3

app/controllers/boutique/go_pay_controller.rb

@@ -6,12 +6,18 @@ class Boutique::GoPayController < Boutique::ApplicationController
     def comeback
       if @payment.paid?
         flash[:success] = t(".success")
+
+        if @payment.order.user.invitation_accepted_at.nil?
+          session[:folio_user_invited_email] = @payment.order.user.email
+          redirect_to main_app.user_invitation_path
+        else
+          redirect_to order_path(@payment.order.secret_hash)
+        end
       else
         flash[:alert] = t(".failure")
-      end
 
-      # TODO: redirect to confirmation page for unregistered user
-      redirect_to order_path(@payment.order.secret_hash)
+        redirect_to order_path(@payment.order.secret_hash)
+      end
     end
 
     def notify

app/models/boutique/order.rb

@@ -64,12 +64,24 @@ class Boutique::Order < Boutique::ApplicationRecord
       before do
         set_numbers
         imprint_prices
+
+        self.email ||= user.try(:email)
       end
     end
 
     event :pay do
       transitions from: :confirmed, to: :paid
 
+      after do
+        if user.nil?
+          self.user = Folio::User.invite!(email:,
+                                          first_name:,
+                                          last_name:)
+          update_columns(folio_user_id: user.id,
+                         updated_at:)
+        end
+      end
+
       after_commit do
         Boutique::OrderMailer.paid(self).deliver_later
       end

test/dummy/config/routes.rb

@@ -10,7 +10,7 @@
                        omniauth_providers: Rails.application.config.folio_users_omniauth_providers
 
     devise_scope :user do
-      get "/users/invitation", to: "dummy/users/invitations#show", as: nil
+      get "/users/invitation", to: "dummy/folio/users/invitations#show", as: nil
       get "/users/auth/conflict", to: "dummy/folio/users/omniauth_callbacks#conflict"
       get "/users/auth/resolve_conflict", to: "dummy/folio/users/omniauth_callbacks#resolve_conflict"
       get "/users/auth/new_user", to: "dummy/folio/users/omniauth_callbacks#new_user"

test/factories.rb

@@ -32,6 +32,10 @@
       line_items_count { 0 }
     end
 
+    trait :with_user do
+      association :user, factory: :folio_user
+    end
+
     trait :ready_to_be_confirmed do
       email { "[email protected]" }
       first_name { "John" }

test/models/boutique/order_test.rb

@@ -51,6 +51,14 @@ def setup_emails
     setup_emails
     order = create(:boutique_order, :confirmed)
 
+    assert_difference("ActionMailer::Base.deliveries.size", 2) do
+      perform_enqueued_jobs do
+        order.pay!
+      end
+    end
+
+    order = create(:boutique_order, :confirmed, :with_user)
+
     assert_difference("ActionMailer::Base.deliveries.size", 1) do
       perform_enqueued_jobs do
         order.pay!