document number sequence

app/assets/utils/classes/OrderManager.php

@@ -1,4 +1,5 @@
 <?php
+require_once __DIR__ . '/DocumentNumberManager.php';
 require_once __DIR__ . '/../classes_ac/PostingWindowGuard.php';
 
 /**
@@ -139,26 +140,10 @@ class OrderManager {
      *
      * @return string  e.g. "ORD-20260502-0001"
      */
-    private function generateOrderNumber(): string
+    private function generateOrderNumber(array $data = []): string
     {
-        $prefix = 'ORD-' . date('Ymd') . '-';
-
-        $sth = $this->pdo->prepare(
-            "SELECT order_number FROM td_order
-             WHERE company_id   = :company_id
-               AND order_number LIKE :prefix
-             ORDER BY order_number DESC
-             LIMIT 1"
-        );
-        $sth->execute([
-            ':company_id' => $this->company_id,
-            ':prefix'     => $prefix . '%',
-        ]);
-
-        $last = $sth->fetchColumn();
-        $seq  = $last ? ((int)substr($last, -4) + 1) : 1;
-
-        return $prefix . str_pad($seq, 4, '0', STR_PAD_LEFT);
+        return (new DocumentNumberManager($this->pdo, $this->company_id))
+            ->resolveNumber($data, 'sales_order', 'td_order', 'order_number');
     }
 
     /**
@@ -589,7 +574,7 @@ class OrderManager {
                 ':uuid'          => bin2hex(random_bytes(16)),
                 ':source_id'     => $source_id,
                 ':source'        => $source,
-                ':order_number'  => $this->generateOrderNumber(),
+                ':order_number'  => $this->generateOrderNumber($data),
                 ':contact_id'    => (int)($data['contact_id']    ?? 0),
                 ':department_id' => (int)($data['department_id'] ?? 0),
                 ':order_date'    => $data['order_date'] ?? date('Y-m-d'),