create identification parts functions

public/userarea/load_parts.php

@@ -0,0 +1,24 @@
+<?php
+header('Content-Type: application/json');
+
+include('include/headscript.php');
+
+$dbHandler = DBHandlerSelect::getInstance();
+$pdo = $dbHandler->getConnection();
+
+$iddatadb = $_GET['iddatadb'] ?? null;
+
+if (!$iddatadb) {
+    echo json_encode(['success' => false, 'message' => 'ID TRF mancante']);
+    exit;
+}
+
+try {
+    $stmt = $pdo->prepare("SELECT id, iddatadb, part_number, part_description FROM identification_parts WHERE iddatadb = :iddatadb ORDER BY part_number ASC");
+    $stmt->execute([':iddatadb' => $iddatadb]);
+    $parts = $stmt->fetchAll();
+
+    echo json_encode(['success' => true, 'parts' => $parts]);
+} catch (PDOException $e) {
+    echo json_encode(['success' => false, 'message' => 'Errore nel caricamento: ' . $e->getMessage()]);
+}