softDelete features

app/finance/manage_payment_billing.php

@@ -88,6 +88,9 @@
               <button class="btn btn-outline-danger w-100 d-none" id="btn_void" onclick="void_billing()">
                 <i class="ti ti-ban me-1"></i>Void Billing
               </button>
+              <button class="btn btn-outline-danger w-100 d-none" id="btn_delete" onclick="delete_billing()">
+                <i class="ti ti-trash me-1"></i>Delete Billing
+              </button>
             </div>
           </div>
         </div>
@@ -98,6 +101,9 @@
   <?php require '../include_ending.php'; ?>
 
   <script>
+
+  const can_delete = ['admin', 'owner'].includes(user_role);
+
   var billing_id = <?php echo $billing_id; ?>;
   var billing = null;
 
@@ -148,6 +154,7 @@
     $('#btn_payment').attr('href', '<?php echo $server_url?>finance/payment.php?billing_id=' + billing.id);
     $('#btn_payment').toggleClass('d-none', String(billing.status) === '4' || parseFloat(billing.balance_amount || 0) <= 0.0001);
     $('#btn_void').toggleClass('d-none', String(billing.status) === '4' || parseFloat(billing.paid_amount || 0) > 0.0001);
+    $('#btn_delete').toggleClass('d-none', !can_delete || !billing_id);
 
     var rows = '';
     $.each(billing.allocations || [], function(i, line) {
@@ -168,6 +175,25 @@
     $('#allocation_tbody').html(rows || '<tr><td colspan="5" class="text-center py-5 text-muted">No documents found.</td></tr>');
   }
 
+  function delete_billing() {
+    bootbox.confirm({
+      message: 'Delete this billing? All linked payments must be deleted first.',
+      buttons: { confirm: { label: 'Delete', className: 'btn-danger' }, cancel: { label: 'Back', className: 'btn-secondary' } },
+      callback: function(result) {
+        if (!result) return;
+        ajax_request({
+          url: '<?php echo $server_url?>finance/api/engine/delete_payment_billing.php',
+          autoPrepare: false,
+          checkRequired: 0,
+          action: 'delete',
+          data: { id: billing_id },
+          onSuccess: function() { window.location.href = '<?php echo $server_url?>finance/payment_billing.php'; }
+        });
+      }
+    });
+  }
+
+
   function void_billing() {
     bootbox.confirm('Void this payment billing?', function(ok) {
       if (!ok) return;