v2/api.php hinzugefügt

v2/api.php

@@ -0,0 +1,50 @@
+<?php
+// api.php - Backend Logik
+
+$db_file = __DIR__ . '/status.sqlite';
+$pdo = new PDO('sqlite:' . $db_file);
+$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+// Tabelle erstellen, falls nicht existent
+$pdo->exec("CREATE TABLE IF NOT EXISTS nodes (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    server TEXT,
+    client TEXT,
+    status TEXT,
+    handshake TEXT,
+    last_seen DATETIME DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(server, client)
+)");
+
+// POST: Daten vom Gateway empfangen
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $data = json_decode(file_get_contents('php://input'), true);
+    
+    if ($data && isset($data['server']) && isset($data['client'])) {
+        $stmt = $pdo->prepare("
+            INSERT INTO nodes (server, client, status, handshake, last_seen) 
+            VALUES (:server, :client, :status, :handshake, datetime('now'))
+            ON CONFLICT(server, client) 
+            DO UPDATE SET status=:status, handshake=:handshake, last_seen=datetime('now')
+        ");
+        $stmt->execute([
+            ':server' => $data['server'],
+            ':client' => $data['client'],
+            ':status' => $data['status'],
+            ':handshake' => $data['handshake']
+        ]);
+        echo json_encode(["success" => true]);
+    } else {
+        http_response_code(400);
+        echo json_encode(["error" => "Invalid payload"]);
+    }
+    exit;
+}
+
+// GET: Daten an das Frontend (HTML/JS) ausliefern
+if ($_SERVER['REQUEST_METHOD'] === 'GET') {
+    header('Content-Type: application/json');
+    $stmt = $pdo->query("SELECT * FROM nodes ORDER BY server, client");
+    echo json_encode($stmt->fetchAll(PDO::FETCH_ASSOC));
+    exit;
+}