Send Notification based on the E-Mail instead of the OneSignal User ID

README.md

@@ -104,6 +104,15 @@ public function routeNotificationForOneSignal()
 }
 ```
 
+If you want to send the notification based on the OneSignal "syncHashedEmail" feature just return an array with the index "email". **It isn't possible to use multiple E-Mails on one filter because of a limitation of the OneSignal API.**
+
+```php
+public function routeNotificationForOneSignal()
+{
+    return ['email' => '[email protected]'];
+}
+```
+
 ### All available methods
 
 - `subject('')`: Accepts a string value for the title.

src/OneSignalChannel.php

@@ -3,9 +3,9 @@
 namespace NotificationChannels\OneSignal;
 
 use Berkayk\OneSignal\OneSignalClient;
-use NotificationChannels\OneSignal\Exceptions\CouldNotSendNotification;
-use Illuminate\Notifications\Notification;
 use Psr\Http\Message\ResponseInterface;
+use Illuminate\Notifications\Notification;
+use NotificationChannels\OneSignal\Exceptions\CouldNotSendNotification;
 
 class OneSignalChannel
 {
@@ -32,7 +32,12 @@ public function send($notifiable, Notification $notification)
         }
 
         $payload = $notification->toOneSignal($notifiable)->toArray();
-        $payload['include_player_ids'] = collect($userIds);
+
+        if (is_array($userIds) && array_key_exists('email', $userIds)) {
+            $payload['filters'] = collect([['field' => 'email', 'value' => $userIds['email']]]);
+        } else {
+            $payload['include_player_ids'] = collect($userIds);
+        }
 
         /** @var ResponseInterface $response */
         $response = $this->oneSignal->sendNotificationCustom($payload);

tests/ChannelTest.php

@@ -80,4 +80,30 @@ public function it_throws_an_exception_when_it_could_not_send_the_notification()
 
         $this->channel->send(new Notifiable(), new TestNotification());
     }
+
+    /**
+     * @test
+     */
+    public function it_can_send_a_notification_with_email()
+    {
+        $response = new Response(200);
+
+        $this->oneSignal->shouldReceive('sendNotificationCustom')
+            ->once()
+            ->with([
+                'contents' => ['en' => 'Body'],
+                'headings' => ['en' => 'Subject'],
+                'url' => 'URL',
+                'buttons' => [],
+                'web_buttons' => [],
+                'chrome_web_icon' => 'Icon',
+                'chrome_icon' => 'Icon',
+                'adm_small_icon' => 'Icon',
+                'small_icon' => 'Icon',
+                'filters' => collect([['field' => 'email', 'value' => '[email protected]']]),
+            ])
+            ->andReturn($response);
+
+        $this->channel->send(new NotifiableEmail(), new TestNotification());
+    }
 }

tests/NotifiableEmail.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace NotificationChannels\OneSignal\Test;
+
+class NotifiableEmail
+{
+    use \Illuminate\Notifications\Notifiable;
+
+    /**
+     * @return array
+     */
+    public function routeNotificationForOneSignal()
+    {
+        return ['email' => '[email protected]'];
+    }
+}