From 8e3df8f1c44ab04cc5044a5a96fdd0e6f214c6f9 Mon Sep 17 00:00:00 2001
From: Kendrick Chan <kc@jankstudio.com>
Date: Fri, 6 Mar 2020 07:42:00 +0800
Subject: [PATCH] Treat blank serial as null to avoid unique exception in db
 #270

---
 src/Entity/Warranty.php         | 2 +-
 src/Service/WarrantyHandler.php | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Entity/Warranty.php b/src/Entity/Warranty.php
index 113fbb93..d2143966 100644
--- a/src/Entity/Warranty.php
+++ b/src/Entity/Warranty.php
@@ -149,7 +149,7 @@ class Warranty
         return $this->id;
     }
 
-    public function setSerial($serial)
+    public function setSerial($serial = null)
     {
         $this->serial = $serial;
         return $this;
diff --git a/src/Service/WarrantyHandler.php b/src/Service/WarrantyHandler.php
index 281464bf..6d01eb10 100644
--- a/src/Service/WarrantyHandler.php
+++ b/src/Service/WarrantyHandler.php
@@ -73,8 +73,11 @@ class WarrantyHandler
         }
 
         // set and save values
-        $warranty->setSerial($serial)
-            ->setPlateNumber($plate_number)
+        if (trim($serial) == '')
+            $warranty->setSerial(null);
+        else
+            $warranty->setSerial($serial);
+        $warranty->setPlateNumber($plate_number)
             ->setFirstName($first_name)
             ->setLastName($last_name)
             ->setMobileNumber($mobile_number)