add room list cache to prevent available kevaListNamespaces results on pending transactions

.env

@@ -19,7 +19,7 @@ APP_ENV=dev
 APP_SECRET=EDIT_ME
 ###< symfony/framework-bundle ###
 
-APP_VERSION=1.4.0
+APP_VERSION=1.4.1
 
 APP_NAME=KevaChat
 

src/Controller/RoomController.php

@@ -52,9 +52,25 @@ class RoomController extends AbstractController
             $this->getParameter('app.kevacoin.password')
         );
 
+        // Connect memcached
+        $memcached = new \Memcached();
+        $memcached->addServer(
+            $this->getParameter('app.memcached.host'),
+            $this->getParameter('app.memcached.port')
+        );
+
+        $memory = md5(
+            sprintf(
+                '%s.RoomController::list:rooms',
+                __DIR__
+            ),
+        );
+
         // Get room list
         $list = [];
 
+        if (!$list = $memcached->get($memory))
+        {
             foreach ((array) $client->kevaListNamespaces() as $value)
             {
                 // Calculate room totals
@@ -101,6 +117,14 @@ class RoomController extends AbstractController
                 $list
             );
 
+            // Cache rooms to memcached as kevaListNamespaces hides rooms with pending posts
+            $memcached->set(
+                $memory,
+                $list,
+                (int) $this->getParameter('app.memcached.timeout')
+            );
+        }
+
         // RSS
         if ('rss' === $request->get('feed'))
         {
@@ -703,6 +727,16 @@ class RoomController extends AbstractController
                 (int) $this->getParameter('app.add.room.remote.ip.delay') // auto remove on cache expire
             );
 
+            // Reset rooms list cache
+            $memcached->delete(
+                md5(
+                    sprintf(
+                        '%s.RoomController::list:rooms',
+                        __DIR__
+                    ),
+                )
+            );
+
             // Redirect to new room
             return $this->redirectToRoute(
                 'room_namespace',