From 50c6a433e39bc93171ce2f1440b8f5192a80a118 Mon Sep 17 00:00:00 2001
From: Cristina Boca <cristina.boca@exia.eu>
Date: Wed, 9 Mar 2016 16:30:03 +0100
Subject: [PATCH] Bugfix for negative total stock followed by positive entry (

---
 src/PartKeepr/PartBundle/Entity/Part.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/PartKeepr/PartBundle/Entity/Part.php b/src/PartKeepr/PartBundle/Entity/Part.php
index 4bae020db..668f9ac62 100644
--- a/src/PartKeepr/PartBundle/Entity/Part.php
+++ b/src/PartKeepr/PartBundle/Entity/Part.php
@@ -827,6 +827,7 @@ public function recomputeStockLevels()
         $totalPartStockPrice = 0;
         $lastPosEntryQuant = 0;
         $lastPosEntryPrice = 0;
+        $negativeStock = 0;
 
         foreach ($this->getStockLevels() as $stockLevel) {
             
@@ -836,14 +837,17 @@ public function recomputeStockLevels()
 
                 $lastPosEntryQuant = $stockLevel->getStockLevel();
                 $lastPosEntryPrice = $stockLevel->getPrice();
-                $totalPartStockPrice += $lastPosEntryPrice * $lastPosEntryQuant;
+                $totalPartStockPrice += $lastPosEntryPrice * ($lastPosEntryQuant + $negativeStock);
                 $price = $totalPartStockPrice / $sum;
 			}
 			else {
-			    if ($sum < 0) {
+			    if ($sum <= 0) {
 			        $price = 0;
+			        $totalPartStockPrice = 0;
+			        $negativeStock = $sum;
 				}
 				else {
+				    $negativeStock = 0;
 				    if ($sum < $lastPosEntryQuant){
 				        $totalPartStockPrice = $sum * $lastPosEntryPrice;
 				        $price = $totalPartStockPrice / $sum;