merged branch romainneutron/SwiftMailerOnTerminate (PR #316)

Commits
-------

496f6a07 E-mails are now sent after the response is sent, using the new finish filter (see #314)

Discussion
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E-mails are now sent after the response is sent, using the new finish filter (see #314)

This PR completes the #314 one and delays the send of emails after the response is sent.

src/Silex/Provider/SwiftmailerServiceProvider.php

@@ -36,7 +36,11 @@ class SwiftmailerServiceProvider implements ServiceProviderInterface
             $r = new \ReflectionClass('Swift_Mailer');
             require_once dirname($r->getFilename()).'/../../swift_init.php';
 
-            return new \Swift_Mailer($app['swiftmailer.transport']);
+            return new \Swift_Mailer($app['swiftmailer.spooltransport']);
+        });
+
+        $app['swiftmailer.spooltransport'] = $app->share(function () use ($app) {
+            return new \Swift_SpoolTransport(new \Swift_MemorySpool());
         });
 
         $app['swiftmailer.transport'] = $app->share(function () use ($app) {
@@ -72,6 +76,10 @@ class SwiftmailerServiceProvider implements ServiceProviderInterface
             return new \Swift_Events_SimpleEventDispatcher();
         });
 
+        $app->finish(function () use ($app) {
+            $app['swiftmailer.spooltransport']->getSpool()->flushQueue($app['swiftmailer.transport']);
+        });
+
         if (isset($app['swiftmailer.class_path'])) {
             require_once $app['swiftmailer.class_path'].'/Swift.php';