From 6f25d3af172422596fc43f396a20d61e48ed96e0 Mon Sep 17 00:00:00 2001
From: Alex Tselegidis <alextselegidis@gmail.com>
Date: Sun, 10 Jul 2016 13:15:14 +0200
Subject: [PATCH] The processors should not work if the response is empty.

---
 src/engine/Api/V1/Processors/Minimize.php | 2 +-
 src/engine/Api/V1/Processors/Paginate.php | 2 +-
 src/engine/Api/V1/Processors/Search.php   | 2 +-
 src/engine/Api/V1/Processors/Sort.php     | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/engine/Api/V1/Processors/Minimize.php b/src/engine/Api/V1/Processors/Minimize.php
index 350fcc66..74fe3e33 100644
--- a/src/engine/Api/V1/Processors/Minimize.php
+++ b/src/engine/Api/V1/Processors/Minimize.php
@@ -34,7 +34,7 @@ class Minimize implements ProcessorsInterface {
      * @param array &$response The response array to be processed.
      */
     public static function process(array &$response) {
-        if (!isset($_GET['fields'])) {
+        if (!isset($_GET['fields']) || empty($response)) {
             return; 
         }
 
diff --git a/src/engine/Api/V1/Processors/Paginate.php b/src/engine/Api/V1/Processors/Paginate.php
index da56a010..153005d0 100644
--- a/src/engine/Api/V1/Processors/Paginate.php
+++ b/src/engine/Api/V1/Processors/Paginate.php
@@ -33,7 +33,7 @@ class Paginate implements ProcessorsInterface {
      * @param array &$response The response array to be processed.
      */
     public static function process(array &$response) {
-        if (!isset($_GET['page'])) {
+        if (!isset($_GET['page']) || empty($response)) {
             return; 
         }
 
diff --git a/src/engine/Api/V1/Processors/Search.php b/src/engine/Api/V1/Processors/Search.php
index b22eba05..d8b2a7e2 100644
--- a/src/engine/Api/V1/Processors/Search.php
+++ b/src/engine/Api/V1/Processors/Search.php
@@ -27,7 +27,7 @@ class Search implements ProcessorsInterface {
      * @param array &$response The response array to be processed.
      */
     public static function process(array &$response) {
-        if (!isset($_GET['q'])) {
+        if (!isset($_GET['q']) || empty($response)) {
             return;
         }
 
diff --git a/src/engine/Api/V1/Processors/Sort.php b/src/engine/Api/V1/Processors/Sort.php
index 7c72d67c..460ff0c0 100644
--- a/src/engine/Api/V1/Processors/Sort.php
+++ b/src/engine/Api/V1/Processors/Sort.php
@@ -30,7 +30,7 @@ class Sort implements ProcessorsInterface {
      * @param array &$response The response array to be processed.
      */
     public static function process(array &$response) {
-        if (!isset($_GET['sort'])) {
+        if (!isset($_GET['sort']) || empty($response)) {
             return; 
         }