Send Test Mail Feature (#2023)

- Add UI, backend for sending test emails
- Change mail settings endpoint to /api/mail/settings

js/src/admin/components/MailPage.js

@@ -11,6 +11,7 @@ export default class MailPage extends Page {
     super.init();
 
     this.saving = false;
+    this.sendingTest = false;
     this.refresh();
   }
 
@@ -28,7 +29,7 @@ export default class MailPage extends Page {
     app
       .request({
         method: 'GET',
-        url: app.forum.attribute('apiUrl') + '/mail-settings',
+        url: app.forum.attribute('apiUrl') + '/mail/settings',
       })
       .then((response) => {
         this.driverFields = response['data']['attributes']['fields'];
@@ -121,11 +122,27 @@ export default class MailPage extends Page {
                 ],
               })}
 
-            {Button.component({
-              type: 'submit',
-              className: 'Button Button--primary',
-              children: app.translator.trans('core.admin.email.submit_button'),
-              disabled: !this.changed(),
+            <FieldSet>
+              {Button.component({
+                type: 'submit',
+                className: 'Button Button--primary',
+                children: app.translator.trans('core.admin.email.submit_button'),
+                disabled: !this.changed(),
+              })}
+            </FieldSet>
+
+            {FieldSet.component({
+              label: app.translator.trans('core.admin.email.send_test_mail_heading'),
+              className: 'MailPage-MailSettings',
+              children: [
+                <div className="helpText">{app.translator.trans('core.admin.email.send_test_mail_text', { email: app.session.user.email() })}</div>,
+                Button.component({
+                  className: 'Button Button--primary',
+                  children: app.translator.trans('core.admin.email.send_test_mail_button'),
+                  disabled: this.sendingTest || this.changed(),
+                  onclick: () => this.sendTestEmail(),
+                }),
+              ],
             })}
           </form>
         </div>
@@ -149,10 +166,34 @@ export default class MailPage extends Page {
     return this.fields.some((key) => this.values[key]() !== app.data.settings[key]);
   }
 
+  sendTestEmail() {
+    if (this.saving || this.sendingTest) return;
+
+    this.sendingTest = true;
+    app.alerts.dismiss(this.testEmailSuccessAlert);
+
+    app
+      .request({
+        method: 'POST',
+        url: app.forum.attribute('apiUrl') + '/mail/test',
+      })
+      .then((response) => {
+        this.sendingTest = false;
+        app.alerts.show(
+          (this.testEmailSuccessAlert = new Alert({ type: 'success', children: app.translator.trans('core.admin.email.send_test_mail_success') }))
+        );
+      })
+      .catch((error) => {
+        this.sendingTest = false;
+        m.redraw();
+        throw error;
+      });
+  }
+
   onsubmit(e) {
     e.preventDefault();
 
-    if (this.saving) return;
+    if (this.saving || this.sendingTest) return;
 
     this.saving = true;
     app.alerts.dismiss(this.successAlert);

src/Api/Controller/SendTestMailController.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Api\Controller;
+
+use Flarum\User\AssertPermissionTrait;
+use Illuminate\Container\Container;
+use Illuminate\Contracts\Mail\Mailer;
+use Illuminate\Mail\Message;
+use Laminas\Diactoros\Response\EmptyResponse;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Symfony\Component\Translation\TranslatorInterface;
+
+class SendTestMailController implements RequestHandlerInterface
+{
+    use AssertPermissionTrait;
+
+    protected $container;
+
+    protected $mailer;
+
+    protected $translator;
+
+    public function __construct(Container $container, Mailer $mailer, TranslatorInterface $translator)
+    {
+        $this->container = $container;
+        $this->mailer = $mailer;
+        $this->translator = $translator;
+    }
+
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        $actor = $request->getAttribute('actor');
+        $this->assertAdmin($actor);
+
+        $body = $this->translator->trans('core.email.send_test.body', ['{username}' => $actor->username]);
+
+        $this->mailer->raw($body, function (Message $message) use ($actor) {
+            $message->to($actor->email);
+            $message->subject($this->translator->trans('core.email.send_test.subject'));
+        });
+
+        return new EmptyResponse();
+    }
+}

src/Api/routes.php

@@ -309,8 +309,15 @@
 
     // List available mail drivers, available fields and validation status
     $map->get(
-        '/mail-settings',
+        '/mail/settings',
         'mailSettings.index',
         $route->toController(Controller\ShowMailSettingsController::class)
     );
+
+    // Send test mail post
+    $map->post(
+        '/mail/test',
+        'mailTest',
+        $route->toController(Controller\SendTestMailController::class)
+    );
 };

tests/integration/extenders/MailTest.php

@@ -40,7 +40,7 @@ public function drivers_are_unchanged_by_default()
         $this->prepDb();
 
         $response = $this->send(
-            $this->request('GET', '/api/mail-settings', [
+            $this->request('GET', '/api/mail/settings', [
                 'authenticatedAs' => 1,
             ])
         );
@@ -73,7 +73,7 @@ public function added_driver_appears_in_mail_settings()
         $this->prepDb();
 
         $response = $this->send(
-            $this->request('GET', '/api/mail-settings', [
+            $this->request('GET', '/api/mail/settings', [
                 'authenticatedAs' => 1,
             ])
         );
@@ -97,7 +97,7 @@ public function adding_driver_with_duplicate_name_overrides_fields()
         $this->prepDb();
 
         $response = $this->send(
-            $this->request('GET', '/api/mail-settings', [
+            $this->request('GET', '/api/mail/settings', [
                 'authenticatedAs' => 1,
             ])
         );