support additional fields for user context (#59)

support additional fields for user context

Author: philkra

src/Middleware/RecordTransaction.php

@@ -50,9 +50,13 @@ public function handle($request, Closure $next)
             'headers' => $this->formatHeaders($response->headers->all()),
         ]);
 
+        $user = $request->user();
         $transaction->setUserContext([
-            'id' => optional($request->user())->id,
-            'email' => optional($request->user())->email,
+            'id' => optional($user)->id,
+            'email' => optional($user)->email,
+            'username' => optional($user)->user_name,
+            'ip' => $request->ip(),
+            'user-agent' => $request->userAgent(),
         ]);
 
         $transaction->setMeta([