diff --git a/app/DoctrineMigrations/Version20180427143940.php b/app/DoctrineMigrations/Version20180427143940.php
index 795184e..35d4306 100644
--- a/app/DoctrineMigrations/Version20180427143940.php
+++ b/app/DoctrineMigrations/Version20180427143940.php
@@ -9,6 +9,7 @@ use Doctrine\DBAL\Schema\Schema;
  * Issue #44 - Post and Comment schema refactoring.
  * - Post subscription status added.
  * - Comments parent-child relations removed.
+ * - User login index
  * - Other adjustments
  */
 class Version20180427143940 extends AbstractMigration
@@ -28,6 +29,8 @@ class Version20180427143940 extends AbstractMigration
         $this->addSql('ALTER TABLE posts.comments ALTER number TYPE INT');
         $this->addSql('ALTER TABLE posts.comments ALTER number DROP DEFAULT');
         $this->addSql('CREATE UNIQUE INDEX UNIQ_6289997596901F54 ON posts.comments (number)');
+
+        $this->addSql('CREATE INDEX idx_user_login ON users.users (login)');
     }
 
     public function down(Schema $schema)
@@ -43,5 +46,6 @@ class Version20180427143940 extends AbstractMigration
         $this->addSql('ALTER TABLE posts.comments ALTER number DROP DEFAULT');
         $this->addSql('ALTER TABLE posts.comments ADD CONSTRAINT fk_62899975727aca70 FOREIGN KEY (parent_id) REFERENCES posts.comments (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
         $this->addSql('CREATE INDEX idx_62899975727aca70 ON posts.comments (parent_id)');
+        $this->addSql('DROP INDEX users.idx_user_login');
     }
 }
diff --git a/app/config/services.yml b/app/config/services.yml
index 0ccf746..57d163d 100644
--- a/app/config/services.yml
+++ b/app/config/services.yml
@@ -104,6 +104,7 @@ services:
     # WebSocket MQ processing
     Skobkin\Bundle\PointToolsBundle\Command\ProcessWebsocketUpdatesCommand:
         arguments:
+            $bsClient: '@leezy.pheanstalk.primary'
             $bsTubeName: '%beanstalkd_ws_updates_tube%'
         tags:
             - { name: console.command }
diff --git a/src/Skobkin/Bundle/PointToolsBundle/Command/ProcessWebsocketUpdatesCommand.php b/src/Skobkin/Bundle/PointToolsBundle/Command/ProcessWebsocketUpdatesCommand.php
index 3f76d60..85c5703 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Command/ProcessWebsocketUpdatesCommand.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/Command/ProcessWebsocketUpdatesCommand.php
@@ -3,6 +3,8 @@
 namespace Skobkin\Bundle\PointToolsBundle\Command;
 
 use JMS\Serializer\Serializer;
+use Leezy\PheanstalkBundle\Proxy\PheanstalkProxy;
+use Pheanstalk\Job;
 use Skobkin\Bundle\PointToolsBundle\DTO\Api\WebSocket\Message;
 use Skobkin\Bundle\PointToolsBundle\Service\WebSocket\WebSocketMessageProcessor;
 use Symfony\Component\Console\Command\Command;
@@ -14,6 +16,9 @@ use Symfony\Component\Console\Output\OutputInterface;
  */
 class ProcessWebsocketUpdatesCommand extends Command
 {
+    /** @var PheanstalkProxy */
+    private $bsClient;
+
     /** @var string */
     private $bsTubeName;
 
@@ -24,12 +29,14 @@ class ProcessWebsocketUpdatesCommand extends Command
     private $messageProcessor;
 
     public function __construct(
+        PheanstalkProxy $bsClient,
+        string $bsTubeName,
         Serializer $serializer,
-        WebSocketMessageProcessor $processor,
-        string $bsTubeName
+        WebSocketMessageProcessor $processor
     ) {
         $this->serializer = $serializer;
         $this->messageProcessor = $processor;
+        $this->bsClient = $bsClient;
         $this->bsTubeName = $bsTubeName;
 
         parent::__construct();
@@ -48,9 +55,19 @@ class ProcessWebsocketUpdatesCommand extends Command
     /** {@inheritdoc} */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        /** @var Job $job */
+        while ($job = $this->bsClient->reserveFromTube($this->bsTubeName, 0)) {
+            try {
+                $message = $this->serializer->deserialize($job->getData(), Message::class, 'json');
+            } catch (\Exception $e) {
+                $output->writeln(sprintf(
+                    'Error while deserializing #%d data: \'%s\'',
+                    $job->getId(),
+                    $job->getData()
+                ));
 
-        foreach ($updates as $update) {
-            $message = $this->serializer->deserialize($update, Message::class, 'json');
+                continue;
+            }
 
             if ($this->messageProcessor->processMessage($message)) {
                 // BS delete item
diff --git a/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php b/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php
index cb45c9f..1eae7d4 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php
@@ -12,30 +12,55 @@ class Message implements ValidableInterface
 {
     public const TYPE_COMMENT = 'comment';
     public const TYPE_POST = 'post';
-    public const TYPE_RECOMMENDATION = 'ok';
+    public const TYPE_POST_RECOMMENDATION = 'rec';
+    public const TYPE_COMMENT_RECOMMENDATION = 'ok';
 
-    /** @var string */
+    /**
+     * Event type. @see Message::TYPE_* constants
+     *
+     * @var string
+     */
     private $a;
 
-    /** @var string */
+    /**
+     * Login of the user
+     *
+     * @var string
+     */
     private $author;
 
     /** @var string|null */
     private $authorName;
 
-    /** @var int|null */
+    /**
+     * Number of the comment in the thread
+     *
+     * @var int|null
+     */
     private $commentId;
 
-    /** @var bool|null */
+    /**
+     * ???
+     *
+     * @var bool|null
+     */
     private $cut;
 
-    /** @var string[]|null */
+    /**
+     * Array of file paths
+     *
+     * @var string[]|null
+     */
     private $files;
 
     /** @var string|null */
     private $html;
 
-    /** @var string|null */
+    /**
+     * @deprecated Link in the Post::type=feed posts
+     *
+     * @var string|null
+     */
     private $link;
 
     /** @var string */
@@ -44,22 +69,49 @@ class Message implements ValidableInterface
     /** @var bool|null */
     private $private;
 
-    /** @var string[]|null */
+    /**
+     * Number of the comment in the thread for recommendation with text
+     *
+     * @var int|null
+     */
+    private $rcid;
+
+    /**
+     * Array of tags
+     *
+     * @var string[]|null
+     */
     private $tags;
 
     /** @var string */
     private $text;
 
-    /** @var string|null */
+    /**
+     * @deprecated ???
+     *
+     * @var string|null
+     */
     private $title;
 
-    /** @var string|null */
+    /**
+     * Number of the comment to which this comment is answering
+     *
+     * @var string|null
+     */
     private $toCommentId;
 
-    /** @var string|null */
+    /**
+     * Text quotation of the comment to which this comment is answering
+     *
+     * @var string|null
+     */
     private $toText;
 
-    /** @var string[]|null */
+    /**
+     * Array of logins of users to which post is addressed
+     *
+     * @var string[]|null
+     */
     private $toUsers;
 
     public function isPost(): bool
@@ -72,9 +124,14 @@ class Message implements ValidableInterface
         return self::TYPE_COMMENT === $this->a;
     }
 
-    public function isRecommendation(): bool
+    public function isCommentRecommendation(): bool
     {
-        return self::TYPE_RECOMMENDATION === $this->a;
+        return self::TYPE_COMMENT_RECOMMENDATION === $this->a;
+    }
+
+    public function isPostRecommendation(): bool
+    {
+        return self::TYPE_POST_RECOMMENDATION === $this->a;
     }
 
     /**
@@ -108,7 +165,7 @@ class Message implements ValidableInterface
                 }
                 break;
 
-            case self::TYPE_RECOMMENDATION;
+            case self::TYPE_COMMENT_RECOMMENDATION;
                 if (
                     null !== $this->author &&
                     null !== $this->postId
@@ -228,6 +285,16 @@ class Message implements ValidableInterface
         $this->private = $private;
     }
 
+    public function getRcid(): ?int
+    {
+        return $this->rcid;
+    }
+
+    public function setRcid(?int $rcid): void
+    {
+        $this->rcid = $rcid;
+    }
+
     public function getTags(): ?array
     {
         return $this->tags;
diff --git a/src/Skobkin/Bundle/PointToolsBundle/Entity/User.php b/src/Skobkin/Bundle/PointToolsBundle/Entity/User.php
index 1b7dc0a..5b67a9e 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Entity/User.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/Entity/User.php
@@ -7,6 +7,7 @@ use Doctrine\ORM\Mapping as ORM;
 
 /**
  * @ORM\Table(name="users", schema="users", indexes={
+ *      @ORM\Index(name="idx_user_login", columns={"login"}),
  *      @ORM\Index(name="idx_user_public", columns={"public"}),
  *      @ORM\Index(name="idx_user_removed", columns={"is_removed"})
  * })
diff --git a/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/Blogs/CommentFactory.php b/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/Blogs/CommentFactory.php
index 8223692..33b294d 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/Blogs/CommentFactory.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/Blogs/CommentFactory.php
@@ -3,6 +3,8 @@
 namespace Skobkin\Bundle\PointToolsBundle\Service\Factory\Blogs;
 
 use Psr\Log\LoggerInterface;
+use Skobkin\Bundle\PointToolsBundle\DTO\Api\WebSocket\Message;
+use Skobkin\Bundle\PointToolsBundle\Entity\Blogs\Comment;
 use Skobkin\Bundle\PointToolsBundle\Repository\Blogs\{CommentRepository, PostRepository};
 use Skobkin\Bundle\PointToolsBundle\Service\Factory\{AbstractFactory, UserFactory};
 
@@ -25,4 +27,20 @@ class CommentFactory extends AbstractFactory
         $this->commentRepository = $commentRepository;
         $this->postRepository = $postRepository;
     }
+
+    public function findOrCreateFromWebsocketMessage(Message $message): Comment
+    {
+        if ($message->isValid()) {
+            throw new \InvalidArgumentException('Comment is invalid');
+        }
+        if ($message->isComment()) {
+            throw new \InvalidArgumentException(sprintf(
+                'Invalid Message object provided. %s expected, %s given',
+                Message::TYPE_COMMENT,
+                $message->getA()
+            ));
+        }
+
+
+    }
 }
\ No newline at end of file
diff --git a/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/UserFactory.php b/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/UserFactory.php
index 63f7762..016b86a 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/UserFactory.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/Service/Factory/UserFactory.php
@@ -7,6 +7,7 @@ use Skobkin\Bundle\PointToolsBundle\DTO\Api\User as UserDTO;
 use Skobkin\Bundle\PointToolsBundle\Entity\User;
 use Skobkin\Bundle\PointToolsBundle\Repository\UserRepository;
 use Skobkin\Bundle\PointToolsBundle\Exception\Factory\InvalidUserDataException;
+use Skobkin\Bundle\PointToolsBundle\Service\Api\UserApi;
 
 class UserFactory extends AbstractFactory
 {
@@ -15,11 +16,29 @@ class UserFactory extends AbstractFactory
     /** @var UserRepository */
     private $userRepository;
 
+    /** @var UserApi */
+    private $userApi;
 
-    public function __construct(LoggerInterface $logger, UserRepository $userRepository)
+    public function __construct(LoggerInterface $logger, UserRepository $userRepository, UserApi $userApi)
     {
         parent::__construct($logger);
         $this->userRepository = $userRepository;
+        $this->userApi = $userApi;
+    }
+
+    public function findOrCreateByLogin(string $login, bool $retrieveMissingFromApi = true): User
+    {
+        /** @var User $user */
+        if (null === $user = $this->userRepository->findBy(['login' => $login])) {
+            if ($retrieveMissingFromApi) {
+                $user = $this->userApi->getUserByLogin($login);
+            } else {
+                // TODO neen more specific exception
+                throw new \RuntimeException(sprintf('User \'%s\' not found in the database. Api retrieval disabled.', $login));
+            }
+        }
+
+        return $user;
     }
 
     /**
diff --git a/src/Skobkin/Bundle/PointToolsBundle/Service/WebSocket/WebSocketMessageProcessor.php b/src/Skobkin/Bundle/PointToolsBundle/Service/WebSocket/WebSocketMessageProcessor.php
index c497f03..ccbd56e 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Service/WebSocket/WebSocketMessageProcessor.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/Service/WebSocket/WebSocketMessageProcessor.php
@@ -38,7 +38,7 @@ class WebSocketMessageProcessor
                 return $this->processComment($message);
                 break;
 
-            case $message->isRecommendation():
+            case $message->isCommentRecommendation():
                 return $this->processRecommendation($message);
                 break;
         }