update

src/Modules/Printing/PrintApiController.php

@@ -145,6 +145,33 @@ final class PrintApiController
         );
     }
 
+    public function status(Request $request): Response
+    {
+        $raw = trim((string) $request->input('package_ids', ''));
+        if ($raw === '') {
+            return Response::json(['pending' => []]);
+        }
+
+        $ids = [];
+        foreach (explode(',', $raw) as $part) {
+            $id = (int) trim($part);
+            if ($id > 0) {
+                $ids[] = $id;
+            }
+            if (count($ids) >= 100) {
+                break;
+            }
+        }
+
+        if ($ids === []) {
+            return Response::json(['pending' => []]);
+        }
+
+        $pending = $this->printJobs->filterPendingPackageIds($ids);
+
+        return Response::json(['pending' => $pending]);
+    }
+
     public function markComplete(Request $request): Response
     {
         $jobId = (int) $request->input('id', 0);

src/Modules/Printing/PrintJobRepository.php

@@ -107,6 +107,34 @@ final class PrintJobRepository
         return is_array($rows) ? array_map('intval', $rows) : [];
     }
 
+    /**
+     * @param list<int> $packageIds
+     * @return list<int>
+     */
+    public function filterPendingPackageIds(array $packageIds): array
+    {
+        if ($packageIds === []) {
+            return [];
+        }
+
+        $placeholders = [];
+        $bindings = [];
+        foreach (array_values($packageIds) as $index => $id) {
+            $key = ':pkg_' . $index;
+            $placeholders[] = $key;
+            $bindings[$key] = (int) $id;
+        }
+
+        $sql = 'SELECT DISTINCT package_id FROM print_jobs '
+            . "WHERE status = 'pending' AND package_id IN (" . implode(', ', $placeholders) . ')';
+
+        $statement = $this->pdo->prepare($sql);
+        $statement->execute($bindings);
+        $rows = $statement->fetchAll(PDO::FETCH_COLUMN);
+
+        return is_array($rows) ? array_map('intval', $rows) : [];
+    }
+
     /**
      * @return array<string, mixed>|null
      */