restrict user invites

app/controllers/users_controller.rb

@@ -24,14 +24,10 @@ class UsersController < ApplicationController
   def edit; end
 
   def create
-    existing_user = User.accessible_by(current_ability).find_by(email: @user.email)
+    if User.accessible_by(current_ability).exists?(email: @user.email)
+      @user.errors.add(:email, I18n.t('already_exists'))
 
-    if existing_user
+      return render turbo_stream: turbo_stream.replace(:modal, template: 'users/new'), status: :unprocessable_entity
-      existing_user.archived_at = nil
-      existing_user.assign_attributes(user_params)
-      existing_user.account = current_account
-
-      @user = existing_user
     end
 
     @user.role = User::ADMIN_ROLE unless role_valid?(@user.role)
@@ -83,14 +79,7 @@ class UsersController < ApplicationController
   end
 
   def build_user
-    @user = current_account.users.find_by(email: user_params[:email])&.tap do |user|
+    @user = current_account.users.new(user_params)
-      user.assign_attributes(user_params)
-      user.archived_at = nil
-    end
-
-    @user ||= current_account.users.new(user_params)
-
-    @user
   end
 
   def user_params

config/locales/i18n.yml

@@ -660,6 +660,7 @@ en: &en
   policy_links: Policy Links
   markdown_content_e_g: Markdown content, e.g.
   privacy_policy: Privacy Policy
+  use_the_edit_form_to_move_it_to_another_team: Use the edit form to move it to another team.
   submission_event_names:
     send_email_to_html: '<b>Email sent</b> to %{submitter_name}'
     send_reminder_email_to_html: '<b>Reminder email sent</b> to %{submitter_name}'
@@ -1340,6 +1341,7 @@ es: &es
   policy_links: Enlaces de Políticas
   markdown_content_e_g: Contenido Markdown, por ej.
   privacy_policy: Política de Privacidad
+  use_the_edit_form_to_move_it_to_another_team: Usa el formulario de edición para moverlo a otro equipo.
   submission_event_names:
     send_email_to_html: '<b>Correo electrónico enviado</b> a %{submitter_name}'
     send_reminder_email_to_html: '<b>Correo de recordatorio enviado</b> a %{submitter_name}'
@@ -2020,6 +2022,7 @@ it: &it
   policy_links: Collegamenti alle Politiche
   markdown_content_e_g: Contenuto Markdown, ad es.
   privacy_policy: Politica sulla Privacy
+  use_the_edit_form_to_move_it_to_another_team: Usa il modulo di modifica per spostarlo in un altro team.
   submission_event_names:
     send_email_to_html: '<b>E-mail inviato</b> a %{submitter_name}'
     send_reminder_email_to_html: '<b>E-mail di promemoria inviato</b> a %{submitter_name}'
@@ -2701,6 +2704,7 @@ fr: &fr
   policy_links: Liens des Politiques
   markdown_content_e_g: Contenu Markdown, par ex.
   privacy_policy: Politique de Confidentialité
+  use_the_edit_form_to_move_it_to_another_team: Utilisez le formulaire de modification pour le déplacer vers une autre équipe.
   submission_event_names:
     send_email_to_html: '<b>E-mail envoyé</b> à %{submitter_name}'
     send_reminder_email_to_html: '<b>E-mail de rappel envoyé</b> à %{submitter_name}'
@@ -3381,6 +3385,7 @@ pt: &pt
   policy_links: Links de Políticas
   markdown_content_e_g: Conteúdo Markdown, ex.
   privacy_policy: Política de Privacidade
+  use_the_edit_form_to_move_it_to_another_team: Use o formulário de edição para movê-lo para outra equipe.
   submission_event_names:
     send_email_to_html: '<b>E-mail enviado</b> para %{submitter_name}'
     send_reminder_email_to_html: '<b>E-mail de lembrete enviado</b> para %{submitter_name}'
@@ -4061,6 +4066,7 @@ de: &de
   policy_links: Richtlinien-Links
   markdown_content_e_g: Markdown-Inhalt, z. B.
   privacy_policy: Datenschutzrichtlinie
+  use_the_edit_form_to_move_it_to_another_team: Verwenden Sie das Bearbeitungsformular, um ihn in ein anderes Team zu verschieben.
   submission_event_names:
     send_email_to_html: '<b>E-Mail gesendet</b> an %{submitter_name}'
     send_reminder_email_to_html: '<b>Erinnerungs-E-Mail gesendet</b> an %{submitter_name}'

spec/factories/accounts.rb

@@ -6,6 +6,10 @@ FactoryBot.define do
     locale { 'en-US' }
     timezone { 'UTC' }
 
+    transient do
+      teams_count { 2 }
+    end
+
     trait :with_testing_account do
       after(:create) do |account|
         testing_account = account.dup.tap { |a| a.name = "Testing - #{account.name}" }
@@ -14,5 +18,16 @@ FactoryBot.define do
         account.save!
       end
     end
+
+    trait :with_teams do
+      after(:create) do |account, evaluator|
+        Array.new(evaluator.teams_count) do |i|
+          Account.create!(
+            name: "Team #{i}",
+            linked_account_account: AccountLinkedAccount.new(account_type: :linked, account:)
+          )
+        end
+      end
+    end
   end
 end

spec/rails_helper.rb

@@ -68,6 +68,10 @@ RSpec.configure do |config|
   config.before do |example|
     Sidekiq::Testing.inline! if example.metadata[:sidekiq] == :inline
   end
+
+  config.before(multitenant: true) do
+    allow(Docuseal).to receive(:multitenant?).and_return(true)
+  end
 end
 
 ActiveSupport.run_load_hooks(:rails_specs, self)

spec/system/team_settings_spec.rb

@@ -4,6 +4,7 @@ require 'rails_helper'
 
 RSpec.describe 'Team Settings' do
   let(:account) { create(:account) }
+  let(:second_account) { create(:account) }
   let(:current_user) { create(:user, account:) }
 
   before do
@@ -56,6 +57,43 @@ RSpec.describe 'Team Settings' do
       end
     end
 
+    it "doesn't create a new user if a user already exists" do
+      click_link 'New User'
+
+      within '#modal' do
+        fill_in 'First name', with: 'Michael'
+        fill_in 'Last name', with: 'Jordan'
+        fill_in 'Email', with: users.first.email
+        fill_in 'Password', with: 'password'
+
+        expect do
+          click_button 'Submit'
+        end.not_to change(User, :count)
+      end
+
+      expect(page).to have_content('Email already exists')
+    end
+
+    it "doesn't create a new user if a user belongs to another account" do
+      user = create(:user, account: second_account)
+      visit settings_users_path
+
+      click_link 'New User'
+
+      within '#modal' do
+        fill_in 'First name', with: 'Michael'
+        fill_in 'Last name', with: 'Jordan'
+        fill_in 'Email', with: user.email
+        fill_in 'Password', with: 'password'
+
+        expect do
+          click_button 'Submit'
+        end.not_to change(User, :count)
+
+        expect(page).to have_content('Email has already been taken')
+      end
+    end
+
     it 'updates a user' do
       first(:link, 'Edit').click