payable filters

app/Filters/InvoiceFilters.php

@@ -138,6 +138,18 @@ class InvoiceFilters extends QueryFilters
         });
     }
 
+    public function payable(string $client_id)
+    {
+        if (strlen($client_id) == 0) {
+            return $this->builder;
+        }
+
+        return $this->builder->whereIn('status_id', [Invoice::STATUS_DRAFT, Invoice::STATUS_SENT, Invoice::STATUS_PARTIAL])
+                             ->where('balance', '>', 0)
+                             ->where('is_deleted', 0)
+                             ->where('client_id', $this->decodePrimaryKey($client_id));
+    }
+
     /**
      * Sorts the list based on $sort.
      *