upgrade matrice with files

public/userarea/delete_matrice_attachment.php

@@ -0,0 +1,61 @@
+<?php
+include('include/headscript.php');
+
+header('Content-Type: application/json; charset=utf-8');
+
+$response = [
+    'success' => false,
+    'message' => ''
+];
+
+try {
+    if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
+        throw new Exception('Metodo non consentito');
+    }
+
+    if (!isset($_POST['id']) || !is_numeric($_POST['id'])) {
+        throw new Exception('ID allegato non valido');
+    }
+
+    $id = (int)$_POST['id'];
+
+    $db = DBHandlerSelect::getInstance();
+    $pdo = $db->getConnection();
+
+    $stmt = $pdo->prepare("SELECT id, file_path FROM matrice_attachments WHERE id = :id LIMIT 1");
+    $stmt->execute([':id' => $id]);
+    $attachment = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$attachment) {
+        throw new Exception('Allegato non trovato');
+    }
+
+    $filePathRelative = ltrim((string)$attachment['file_path'], '/\\');
+    $filePathAbsolute = __DIR__ . '/' . $filePathRelative;
+
+    $pdo->beginTransaction();
+
+    $deleteStmt = $pdo->prepare("DELETE FROM matrice_attachments WHERE id = :id");
+    $deleteStmt->execute([':id' => $id]);
+
+    if ($deleteStmt->rowCount() <= 0) {
+        throw new Exception('Impossibile eliminare il record allegato');
+    }
+
+    if (!empty($filePathRelative) && file_exists($filePathAbsolute) && is_file($filePathAbsolute)) {
+        @unlink($filePathAbsolute);
+    }
+
+    $pdo->commit();
+
+    $response['success'] = true;
+    $response['message'] = 'Allegato eliminato correttamente';
+} catch (Throwable $e) {
+    if (isset($pdo) && $pdo instanceof PDO && $pdo->inTransaction()) {
+        $pdo->rollBack();
+    }
+    $response['message'] = $e->getMessage();
+}
+
+echo json_encode($response, JSON_UNESCAPED_UNICODE);
+exit;