From 2c75f8e780e674ddb42c935b54ed6c39925ba07c Mon Sep 17 00:00:00 2001
From: ArthurHoaro <arthur@hoa.ro>
Date: Sun, 3 Jan 2016 15:29:15 +0100
Subject: [PATCH] Fixes #426 - Do not filter with blank tags.

---
 application/LinkDB.php |  2 +-
 index.php              | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/application/LinkDB.php b/application/LinkDB.php
index be7d901..1684851 100644
--- a/application/LinkDB.php
+++ b/application/LinkDB.php
@@ -351,7 +351,7 @@ You use the community supported version of the original Shaarli project, by Seba
      */
     public function filter($type, $request, $casesensitive = false, $privateonly = false) {
         $requestFilter = is_array($request) ? implode(' ', $request) : $request;
-        return $this->linkFilter->filter($type, $requestFilter, $casesensitive, $privateonly);
+        return $this->linkFilter->filter($type, trim($requestFilter), $casesensitive, $privateonly);
     }
 
     /**
diff --git a/index.php b/index.php
index 1664c01..2815f02 100644
--- a/index.php
+++ b/index.php
@@ -1298,12 +1298,14 @@ function renderPage()
 
         if (isset($params['searchtags'])) {
             $tags = explode(' ', $params['searchtags']);
-            $tags=array_diff($tags, array($_GET['removetag'])); // Remove value from array $tags.
-            if (count($tags)==0) {
+            // Remove value from array $tags.
+            $tags = array_diff($tags, array($_GET['removetag']));
+            $params['searchtags'] = implode(' ',$tags);
+
+            if (empty($params['searchtags'])) {
                 unset($params['searchtags']);
-            } else {
-                $params['searchtags'] = implode(' ',$tags);
             }
+
             unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
         }
         header('Location: ?'.http_build_query($params));