implement post sending api

src/Controller/RoomController.php

@@ -85,7 +85,7 @@ class RoomController extends AbstractController
             }
 
             // Set identicon if not anonymous user
-            if ($post['key'] === 'anonymous')
+            if ($post['key'] === '@anonymous')
             {
                 $icon = false;
             }
@@ -331,8 +331,18 @@ class RoomController extends AbstractController
             );
         }
 
-        // @TODO Send message to DHT
-
+        // Send message to DHT
+        if (
+            $client->kevaPut(
+                $request->get('namespace'),
+                sprintf(
+                    '@%s',
+                    $request->get('user') === 'ip' ? $request->getClientIp() : 'anonymous'
+                ),
+                $request->get('message')
+            )
+        )
+        {
             // Register event time
             $memcached->set(
                 $memory['app.add.post.remote.ip.delay'],
@@ -350,4 +360,15 @@ class RoomController extends AbstractController
                 ]
             );
         }
+
+        // Something went wrong, return error message
+        return $this->redirectToRoute(
+            'room_namespace',
+            [
+                'namespace' => $request->get('namespace'),
+                'message'   => $request->get('message'),
+                'error'     => $translator->trans('Internal error! Please feedback')
+            ]
+        );
+    }
 }