Custom SMTP Settings (#561)

* Custom SMTP Settings

* Fix lint

* Custom SMTP add in Pricing plan

* Allow reset email settings

* improve custom SMTP using seprate abstract class

* test case for custom SMTP

* fix test case

* UI improvement

* add CASHIER_KEY in phpunit for testcase

* Attempt to fix tests

* Run pint and attempt to fix cache tests

* Fix user management tests

* Fix code linters

* Merged main & fix linting

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

api/tests/Feature/Forms/CustomSmtpTest.php

@@ -0,0 +1,60 @@
+<?php
+
+use App\Mail\Forms\SubmissionConfirmationMail;
+use Illuminate\Support\Facades\Mail;
+
+it('can not save custom SMTP settings if not pro user', function () {
+    $user = $this->actingAsUser();
+    $workspace = $this->createUserWorkspace($user);
+
+    $this->putJson(route('open.workspaces.save-email-settings', [$workspace->id]), [
+        'host' => 'custom.smtp.host',
+        'port' => '587',
+        'username' => 'custom_username',
+        'password' => 'custom_password',
+    ])->assertStatus(403);
+});
+
+it('creates confirmation emails with custom SMTP settings', function () {
+    $user = $this->actingAsProUser();
+    $workspace = $this->createUserWorkspace($user);
+    $form = $this->createForm($user, $workspace);
+
+    // Set custom SMTP settings
+    $this->putJson(route('open.workspaces.save-email-settings', [$workspace->id]), [
+        'host' => 'custom.smtp.host',
+        'port' => '587',
+        'username' => 'custom_username',
+        'password' => 'custom_password',
+    ])->assertSuccessful();
+
+    $integrationData = $this->createFormIntegration('submission_confirmation', $form->id, [
+        'respondent_email' => true,
+        'notifications_include_submission' => true,
+        'notification_sender' => 'Custom Sender',
+        'notification_subject' => 'Custom SMTP Test',
+        'notification_body' => 'This email was sent using custom SMTP settings',
+    ]);
+
+    $formData = [
+        collect($form->properties)->first(function ($property) {
+            return $property['type'] == 'email';
+        })['id'] => 'test@test.com',
+    ];
+
+    Mail::fake();
+
+    $this->postJson(route('forms.answer', $form->slug), $formData)
+        ->assertSuccessful()
+        ->assertJson([
+            'type' => 'success',
+            'message' => 'Form submission saved.',
+        ]);
+
+    Mail::assertQueued(
+        SubmissionConfirmationMail::class,
+        function (SubmissionConfirmationMail $mail) {
+            return $mail->hasTo('test@test.com') && $mail->mailer === 'custom_smtp';
+        }
+    );
+});