chore: complete update

src/Framework/Router/Result/SseEvent.php

@@ -0,0 +1,52 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Framework\Router\Result;
+
+/**
+ * Repräsentiert ein einzelnes Server-Sent Event
+ */
+final readonly class SseEvent
+{
+    /**
+     * @param string $data Der Dateninhalt des Events
+     * @param string|null $event Der Event-Typ (optional)
+     * @param string|null $id Die Event-ID (optional)
+     * @param int|null $retry Retry-Intervall in Millisekunden (optional)
+     */
+    public function __construct(
+        public string $data,
+        public ?string $event = null,
+        public ?string $id = null,
+        public ?int $retry = null
+    ) {}
+
+    /**
+     * Formatiert das Event in das SSE-Protokollformat
+     */
+    public function format(): string
+    {
+        $formatted = [];
+
+        if ($this->id !== null) {
+            $formatted[] = "id: {$this->id}";
+        }
+
+        if ($this->event !== null) {
+            $formatted[] = "event: {$this->event}";
+        }
+
+        if ($this->retry !== null) {
+            $formatted[] = "retry: {$this->retry}";
+        }
+
+        // Mehrzeilige Daten unterstützen
+        foreach (explode("\n", $this->data) as $line) {
+            $formatted[] = "data: {$line}";
+        }
+
+        $formatted[] = ''; // Leere Zeile am Ende
+
+        return implode("\n", $formatted);
+    }
+}