Merge pull request #12 from mikemclin/master

Normalize version format #11

src/Notifications/NotificationServiceProvider.php

@@ -26,7 +26,7 @@ public function boot()
             ], 'laravel-notifications');
         }
 
-        if (version_compare($this->app->version(), '5.2', '<')) {
+        if (version_compare($this->getAppVersion(), '5.2', '<')) {
             $this->app->make(Bus::class)->maps([
                 SendQueuedNotifications::class => SendQueuedNotificationsHandler::class . '@handle',
             ]);
@@ -70,4 +70,18 @@ protected function registerCommands()
             'command.notification.table'
         ]);
     }
+
+    /**
+     * Get the version number of the application.
+     *
+     * @return string
+     */
+    private function getAppVersion()
+    {
+        $version = $this->app->version();
+        if (substr($version, 0, 7) === 'Lumen (') {
+            $version = array_first(explode(')', str_replace('Lumen (', '', $version)));
+        }
+        return $version;
+    }
 }