regenrates pages

public/ripristina_campo_lost.php

@@ -1,26 +1,35 @@
 <?php
-require_once('Connections/bkngstm.php');
+// Buffer per scartare eventuale HTML degli include: risposta JSON pulita
+ob_start();
+require_once('include/headscript.php');
 
-$conn = new mysqli($servername, $username, $password, $dbname);
+/**
+ * Ripristina una prenotazione precedentemente segnata come persa
+ * (lostlesson = 'N').
+ */
+$pdo = DBHandlerSelect::getInstance()->getConnection();
 
-if ($conn->connect_error) {
-    die("Connessione fallita: " . $conn->connect_error);
-}
-
-if (isset($_POST['idbookingclass'])) {
-    $idbookingclass = $_POST['idbookingclass'];
-
-    $query = "UPDATE bookingclass SET lostlesson = 'N' WHERE idbookingclass = ?";
-    $stmt = $conn->prepare($query);
-    $stmt->bind_param("i", $idbookingclass);
-
-    if ($stmt->execute()) {
-        echo json_encode(['success' => true]);
-    } else {
-        echo json_encode(['success' => false, 'error' => $conn->error]);
+function jsonOut(array $payload): void
+{
+    if (ob_get_length() !== false) {
+        ob_end_clean();
     }
-
-    $stmt->close();
+    header('Content-Type: application/json; charset=utf-8');
+    echo json_encode($payload, JSON_UNESCAPED_UNICODE);
+    exit;
 }
 
-$conn->close();
+$idbookingclass = isset($_POST['idbookingclass']) ? (int) $_POST['idbookingclass'] : 0;
+
+if ($idbookingclass <= 0) {
+    jsonOut(['success' => false, 'error' => 'ID prenotazione non valido.']);
+}
+
+try {
+    $stmt = $pdo->prepare("UPDATE bookingclass SET lostlesson = 'N' WHERE idbookingclass = :id");
+    $stmt->execute([':id' => $idbookingclass]);
+    jsonOut(['success' => true]);
+} catch (Throwable $ex) {
+    error_log('ripristina_campo_lost error: ' . $ex->getMessage());
+    jsonOut(['success' => false, 'error' => 'Errore durante il ripristino.']);
+}