file repo, cc, auto-open

public/userarea/scadenzario/ajax/delete_deadline.php

@@ -13,10 +13,29 @@ try {
     $db = DBHandlerSelect::getInstance();
     $pdo = $db->getConnection();
 
+    // Collect the physical files referenced by this deadline before the FK cascade removes its links
+    $attStmt = $pdo->prepare("SELECT DISTINCT stored_name FROM scad_deadline_attachments WHERE deadline_id = ?");
+    $attStmt->execute([$id]);
+    $storedNames = $attStmt->fetchAll(PDO::FETCH_COLUMN);
+
+    // Deleting the deadline cascades to its attachment/employee/history rows (FK ON DELETE CASCADE)
     $stmt = $pdo->prepare("DELETE FROM scad_deadlines WHERE id = ?");
     $stmt->execute([$id]);
 
     if ($stmt->rowCount() > 0) {
+        // Unlink physical files no longer referenced by any other deadline (shared-file safe)
+        if (!empty($storedNames)) {
+            $refStmt = $pdo->prepare("SELECT COUNT(*) FROM scad_deadline_attachments WHERE stored_name = ?");
+            foreach ($storedNames as $storedName) {
+                $refStmt->execute([$storedName]);
+                if ((int)$refStmt->fetchColumn() === 0) {
+                    $filePath = __DIR__ . '/../attachments/' . $storedName;
+                    if (file_exists($filePath)) {
+                        unlink($filePath);
+                    }
+                }
+            }
+        }
         echo json_encode(['success' => true, 'message' => 'Scadenza eliminata con successo.']);
     } else {
         echo json_encode(['success' => false, 'message' => 'Scadenza non trovata.']);