document number sequence

app/assets/utils/classes/PaymentBillingManager.php

@@ -1,4 +1,5 @@
 <?php
+require_once __DIR__ . '/DocumentNumberManager.php';
 require_once __DIR__ . '/../classes_ac/PostingWindowGuard.php';
 
 class PaymentBillingManager {
@@ -11,23 +12,10 @@ class PaymentBillingManager {
         $this->company_id = $company_id;
     }
 
-    private function generateBillingNumber(): string
+    private function generateBillingNumber(array $data = []): string
     {
-        $prefix = 'PB-' . date('Ymd') . '-';
-        $sth = $this->pdo->prepare(
-            "SELECT billing_number FROM td_payment_billing
-             WHERE company_id = :company_id
-               AND billing_number LIKE :prefix
-             ORDER BY billing_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, 'payment_billing', 'td_payment_billing', 'billing_number');
     }
 
     private function unavailableDocumentAmount(int $invoice_id): float
@@ -340,7 +328,7 @@ class PaymentBillingManager {
         )->execute([
             ':company_id'     => $this->company_id,
             ':uuid'           => bin2hex(random_bytes(16)),
-            ':billing_number' => $this->generateBillingNumber(),
+            ':billing_number' => $this->generateBillingNumber($data),
             ':contact_id'     => $contact_id,
             ':billing_date'   => $billing_date,
             ':amount'         => $net_amount,