added files for mescole

public/userarea/delete_mescola_file.php

@@ -0,0 +1,36 @@
+<?php
+include('include/headscript.php');
+header('Content-Type: application/json; charset=utf-8');
+
+$id = isset($_POST['id']) ? (int)$_POST['id'] : 0;
+
+if ($id <= 0) {
+    echo json_encode(['success' => false, 'message' => 'ID non valido']);
+    exit;
+}
+
+try {
+    $db  = DBHandlerSelect::getInstance();
+    $pdo = $db->getConnection();
+
+    $stmt = $pdo->prepare("SELECT idmescola, filename FROM mescole_files WHERE id = ?");
+    $stmt->execute([$id]);
+    $row = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if (!$row) {
+        echo json_encode(['success' => false, 'message' => 'File non trovato']);
+        exit;
+    }
+
+    $del = $pdo->prepare("DELETE FROM mescole_files WHERE id = ?");
+    $del->execute([$id]);
+
+    $path = __DIR__ . '/uploads/mescole/' . $row['idmescola'] . '/' . $row['filename'];
+    if (is_file($path)) {
+        @unlink($path);
+    }
+
+    echo json_encode(['success' => true]);
+} catch (Throwable $e) {
+    echo json_encode(['success' => false, 'message' => 'Errore database: ' . $e->getMessage()]);
+}