Multiple tos (#22)

* Add another assertion to check we can handle multiple tos returned by routeNotificationForMail

* Change the way we build $message->to - use a foreach to add each recipient.

src/SendGridChannel.php

@@ -50,8 +50,9 @@ public function send($notifiable, Notification $notification)
 
             // Handle the case where routeNotificationForMail returns an array (email => name)
             if (is_array($to)) {
-                reset($to);
-                $message->to(key($to), current($to));
+                foreach ($to as $email => $name) {
+                    $message->to($email, $name);
+                }
             } else {
                 $message->to($to);
             }

tests/SendGridChannelTest.php

@@ -137,6 +137,27 @@ public function routeNotificationForMail($notification)
 
         $this->assertEquals($message->tos[0]->getEmail(), '[email protected]');
         $this->assertEquals($message->tos[0]->getName(), 'John Doe');
+
+        //Also support multiple recipients
+        $notifiableWithEmailAndName = new class {
+            use Notifiable;
+
+            public function routeNotificationForMail($notification)
+            {
+                return [
+                    '[email protected]' => 'John Doe',
+                    '[email protected]' => 'Jane Doe',
+                ];
+            }
+        };
+
+        $channel->send($notifiableWithEmailAndName, $notification);
+        $message = $notification->sendgridMessage;
+
+        $this->assertEquals($message->tos[0]->getEmail(), '[email protected]');
+        $this->assertEquals($message->tos[0]->getName(), 'John Doe');
+        $this->assertEquals($message->tos[1]->getEmail(), '[email protected]');
+        $this->assertEquals($message->tos[1]->getName(), 'Jane Doe');
     }
 
     private function mockSendgrid($statusCode = 200)