From c5d0786ed6cb3db428b2e36ab3ea0c7ffd4c7178 Mon Sep 17 00:00:00 2001
From: Hillel Coren <hillelcoren@gmail.com>
Date: Tue, 27 Sep 2016 10:37:37 +0300
Subject: [PATCH] Prevent partial from being negative

---
 app/Ninja/Repositories/InvoiceRepository.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/Ninja/Repositories/InvoiceRepository.php b/app/Ninja/Repositories/InvoiceRepository.php
index b25dce98edbc..c99b7737c4c8 100644
--- a/app/Ninja/Repositories/InvoiceRepository.php
+++ b/app/Ninja/Repositories/InvoiceRepository.php
@@ -475,7 +475,7 @@ class InvoiceRepository extends BaseRepository
         }
 
         if (isset($data['partial'])) {
-            $invoice->partial = min(round(Utils::parseFloat($data['partial']), 2), $invoice->balance);
+            $invoice->partial = max(0,min(round(Utils::parseFloat($data['partial']), 2), $invoice->balance));
         }
 
         $invoice->amount = $total;