added filter for sended emails

application/Preorder/PreorderController.php

@@ -1080,6 +1080,9 @@ class PreorderController extends mfBaseController {
             case "setBilled":
                 $return = $this->setBilledApi();
                 break;
+            case "updateBilled":
+                $return = $this->updateBilledApi();
+                break;
             default:
                 $return = false;
         }
@@ -1610,4 +1613,29 @@ class PreorderController extends mfBaseController {
         return ["message" => "Workorder deleted successfully", "id" => $preorder->id, "wid" => $wo_id];
     }
 
+    private function updateBilledApi() {
+        $preorder_id = $this->request->id;
+
+        if (!is_numeric($preorder_id) || $preorder_id < 1) return false;
+
+        $preorder = new Preorder($preorder_id);
+        if (!$preorder->id) return false;
+
+        $billed = $this->request->billed ? (string)time() : "0";
+
+        $preorder->billed = $billed;
+        $preorder->billed_by = $this->me->id;
+
+        if (!$preorder->save()) return false;
+
+        return [
+            "message" => "Billed status updated successfully",
+            "id" => $preorder_id,
+            "billed" => $billed,
+            "billed_by_name" => $this->me->name,
+            "billed_by_id" => $this->me->id,
+            "billed_date" => date("d.m.Y H:i", $preorder->billed ? $preorder->billed : time())
+        ];
+    }
+
 }

application/Preorder/PreorderModel.php

@@ -1076,6 +1076,13 @@ class PreorderModel
             }
         }
 
+        if (array_key_exists("onlyShowCustomMailSent", $filter)) {
+            // Only apply the filter if the value is truthy (e.g., true, 1)
+            if ($filter['onlyShowCustomMailSent']) {
+                $where .= " AND tt_preorder.id IN (SELECT preorder_id FROM PreorderStatusnotificationLog WHERE email_type = '300-custom')";
+            }
+        }
+
         // custom where clause
         if (array_key_exists("add-where", $filter)) {
             $where .= " " . $filter['add-where'];