add events support

.idea/workspace.xml

   </component>
   <component name="ChangeListManager">
     <list default="true" id="d34cafd0-eade-4b43-97b9-dd7f3a1eae86" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/laravel-payment-dummy.iml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/laravel-payment-dummy.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/php.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/php.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/composer.json" beforeDir="false" afterPath="$PROJECT_DIR$/composer.json" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/DummyPayDriver.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/DummyPayDriver.php" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
       <workItem from="1600835177454" duration="172000" />
       <workItem from="1600835569280" duration="44000" />
       <workItem from="1601966890356" duration="4888000" />
+      <workItem from="1602126845532" duration="739000" />
+      <workItem from="1602134547803" duration="1213000" />
     </task>
     <servers />
   </component>
       <screen x="0" y="30" width="2560" height="1020" />
     </state>
     <state x="1080" y="227" width="389" height="624" key="#com.intellij.ide.util.MemberChooser/0.30.2560.1020@0.30.2560.1020" timestamp="1601971187393" />
+    <state x="1013" y="298" width="524" height="482" key="#com.jetbrains.php.actions.copyPaste.importReferences.PhpImportReferencesDialog" timestamp="1602135359515">
+      <screen x="0" y="30" width="2560" height="1020" />
+    </state>
+    <state x="1013" y="298" width="524" height="482" key="#com.jetbrains.php.actions.copyPaste.importReferences.PhpImportReferencesDialog/0.30.2560.1020@0.30.2560.1020" timestamp="1602135359515" />
   </component>
 </project>

src/DummyPayDriver.php

 namespace MirfalahTech\Laravel\Payment\Gateway\DummyPay;
 
 
+use Illuminate\Events\Dispatcher;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Response as Res;
 use MirfalahTech\Laravel\Payment\Contracts\PayableEntity;
 use MirfalahTech\Laravel\Payment\Contracts\PaymentGatewayDriver;
+use MirfalahTech\Laravel\Payment\Events\PaymentFailedEvent;
+use MirfalahTech\Laravel\Payment\Events\PaymentPendingEvent;
+use MirfalahTech\Laravel\Payment\Events\PaymentSuccessEvent;
+use MirfalahTech\Laravel\Payment\Events\ReturnVerifiedEvent;
 use MirfalahTech\Laravel\Payment\Facade\Payment;
 use MirfalahTech\Laravel\Payment\Traits\BillStatusBoolean;
 use Symfony\Component\HttpFoundation\Response;
      */
     protected $return_url;
 
-    public function __construct(string $callback_url, string $return_url){
+    /**
+     * @var Dispatcher
+     */
+    protected $events;
+
+    public function __construct(Dispatcher $events, string $callback_url, string $return_url){
         $this->callback_url = rtrim($callback_url, '/');
         $this->return_url = rtrim($return_url, '/');
+        $this->events = $events;
     }
 
     public function createPaymentURL(PayableEntity $payable, array $options = []): string
 
     public function verifyGatewayReturn(Request $request): bool
     {
+        $this->events->dispatch(new ReturnVerifiedEvent('dummy', $this, $request));
+        $this->dispatchStatusEvent($request);
         return true;
     }
 
         return $request->query->get('status') == 'success' ?
             Payment::SUCCESS : Payment::FAILED;
     }
+
+    protected function dispatchStatusEvent(Request $request)
+    {
+        switch ($this->getBillStatus($request)) {
+            case Payment::SUCCESS:
+                $this->events->dispatch(new PaymentSuccessEvent('dummy', $this, $request));
+                break;
+            case Payment::PENDING:
+                $this->events->dispatch(new PaymentPendingEvent('dummy', $this, $request));
+                break;
+            case Payment::FAILED:
+                $this->events->dispatch(new PaymentFailedEvent('dummy', $this, $request));
+                break;
+        }
+    }
 }

src/DummyPayServiceProvider.php

         $this->app->afterResolving('payment', function (PaymentManager $manager) use ($config) {
             $manager->extend('dummy', function () use ($config) {
                 return new DummyPayDriver(
+                    $this->app->make('events'),
                     $config->get('payment.gateway.dummy.callback_url'),
                     $config->get('payment.gateway.dummy.return_url')
                 );