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/app/Integrations/Google/Google.php

@@ -27,7 +27,7 @@ class Google
 
     public function getClient(): Client
     {
-        if($this->client->isAccessTokenExpired()) {
+        if ($this->client->isAccessTokenExpired()) {
             $this->refreshToken();
         }
 

api/app/Integrations/Handlers/AbstractEmailIntegrationHandler.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Integrations\Handlers;
+
+use App\Events\Forms\FormSubmitted;
+use App\Models\Integration\FormIntegration;
+use Illuminate\Support\Facades\Log;
+
+abstract class AbstractEmailIntegrationHandler extends AbstractIntegrationHandler
+{
+    protected $mailer;
+
+    public function __construct(FormSubmitted $event, FormIntegration $formIntegration, array $integration)
+    {
+        parent::__construct($event, $formIntegration, $integration);
+        $this->initializeMailer();
+    }
+
+    protected function initializeMailer()
+    {
+        $this->mailer = config('mail.default');
+        $this->setWorkspaceSMTPSettings();
+
+        if (!$this->mailer) {
+            Log::error('Mailer not specified', [
+                'form_id' => $this->form->id
+            ]);
+        }
+    }
+
+    protected function setWorkspaceSMTPSettings()
+    {
+        $workspace = $this->form->workspace;
+        $emailSettings = $workspace->settings['email_settings'] ?? [];
+        if (!$workspace->is_pro || !$emailSettings || empty($emailSettings['host']) || empty($emailSettings['port']) || empty($emailSettings['username']) || empty($emailSettings['password'])) {
+            return;
+        }
+
+        config([
+            'mail.mailers.custom_smtp.host' => $emailSettings['host'],
+            'mail.mailers.custom_smtp.port' => $emailSettings['port'],
+            'mail.mailers.custom_smtp.username' => $emailSettings['username'],
+            'mail.mailers.custom_smtp.password' => $emailSettings['password']
+        ]);
+        $this->mailer = 'custom_smtp';
+    }
+}

api/app/Integrations/Handlers/EmailIntegration.php

@@ -7,7 +7,7 @@ use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Notification;
 use App\Notifications\Forms\FormSubmissionNotification;
 
-class EmailIntegration extends AbstractIntegrationHandler
+class EmailIntegration extends AbstractEmailIntegrationHandler
 {
     public static function getValidationRules(): array
     {
@@ -36,10 +36,11 @@ class EmailIntegration extends AbstractIntegrationHandler
             'recipients' => $subscribers->toArray(),
             'form_id' => $this->form->id,
             'form_slug' => $this->form->slug,
+            'mailer' => $this->mailer
         ]);
         $subscribers->each(function ($subscriber) {
             Notification::route('mail', $subscriber)->notify(
-                new FormSubmissionNotification($this->event, $this->integrationData)
+                new FormSubmissionNotification($this->event, $this->integrationData, $this->mailer)
             );
         });
     }

api/app/Integrations/Handlers/GoogleSheetsIntegration.php

@@ -58,7 +58,7 @@ class GoogleSheetsIntegration extends AbstractIntegrationHandler
 
     protected function getSpreadsheetId(): string
     {
-        if(!isset($this->integrationData->spreadsheet_id)) {
+        if (!isset($this->integrationData->spreadsheet_id)) {
             throw new Exception('The spreadsheed is not instantiated');
         }
 

api/app/Integrations/Handlers/SubmissionConfirmationIntegration.php

@@ -10,7 +10,7 @@ use Stevebauman\Purify\Facades\Purify;
 /**
  * Sends a confirmation to form respondant that form was submitted
  */
-class SubmissionConfirmationIntegration extends AbstractIntegrationHandler
+class SubmissionConfirmationIntegration extends AbstractEmailIntegrationHandler
 {
     public const RISKY_USERS_LIMIT = 120;
 
@@ -54,8 +54,9 @@ class SubmissionConfirmationIntegration extends AbstractIntegrationHandler
             'recipient' => $email,
             'form_id' => $this->form->id,
             'form_slug' => $this->form->slug,
+            'mailer' => $this->mailer
         ]);
-        Mail::to($email)->send(new SubmissionConfirmationMail($this->event, $this->integrationData));
+        Mail::mailer($this->mailer)->to($email)->send(new SubmissionConfirmationMail($this->event, $this->integrationData));
     }
 
     private function getRespondentEmail()