From 59d4d00106382a9c1c08695020dc6e6e21fa1aa5 Mon Sep 17 00:00:00 2001
From: Marcelo Andrade R <marcelo.andrade.r@gmail.com>
Date: Tue, 12 Dec 2017 08:52:37 -0500
Subject: [PATCH] fix when a request pass a sortField only a -

---
 src/API/SearchHelper.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/API/SearchHelper.php b/src/API/SearchHelper.php
index dcc3656..4fe8a00 100755
--- a/src/API/SearchHelper.php
+++ b/src/API/SearchHelper.php
@@ -233,7 +233,9 @@ public function getSort($format = 'native')
             foreach ($sortFields as $order) {
                 if (substr($order, 0, 1) == '-') {
                     $subOrder = substr($order, 1);
-                    $parsedSorts[] = $subOrder . " DESC";
+                    if (!empty($subOrder)) {
+                        $parsedSorts[] = $subOrder . " DESC";
+                    }
                 } else {
                     $parsedSorts[] = $order;
                 }