Explode Response to Frames

src/Protocol/Message.php

@@ -0,0 +1,88 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsq\Protocol;
+
+use Nsq\Bytes;
+use Nsq\Consumer;
+use Nsq\Exception\MessageAlreadyFinished;
+
+final class Message extends Frame
+{
+    /**
+     * @psalm-readonly
+     */
+    public int $timestamp;
+
+    /**
+     * @psalm-readonly
+     */
+    public int $attempts;
+
+    /**
+     * @psalm-readonly
+     */
+    public string $id;
+
+    /**
+     * @psalm-readonly
+     */
+    public string $body;
+
+    private bool $finished = false;
+
+    private Consumer $consumer;
+
+    public function __construct(int $timestamp, int $attempts, string $id, string $body, Consumer $consumer)
+    {
+        parent::__construct(
+            Bytes::BYTES_TYPE
+            + Bytes::BYTES_TIMESTAMP
+            + Bytes::BYTES_ATTEMPTS
+            + Bytes::BYTES_ID
+            + \strlen($body)
+        );
+
+        $this->timestamp = $timestamp;
+        $this->attempts = $attempts;
+        $this->id = $id;
+        $this->body = $body;
+
+        $this->consumer = $consumer;
+    }
+
+    public function isFinished(): bool
+    {
+        return $this->finished;
+    }
+
+    public function finish(): void
+    {
+        if ($this->finished) {
+            throw MessageAlreadyFinished::finish($this);
+        }
+
+        $this->consumer->fin($this->id);
+        $this->finished = true;
+    }
+
+    public function requeue(int $timeout): void
+    {
+        if ($this->finished) {
+            throw MessageAlreadyFinished::requeue($this);
+        }
+
+        $this->consumer->req($this->id, $timeout);
+        $this->finished = true;
+    }
+
+    public function touch(): void
+    {
+        if ($this->finished) {
+            throw MessageAlreadyFinished::touch($this);
+        }
+
+        $this->consumer->touch($this->id);
+    }
+}