Using only one form in linklist.html + adding untaggedonly filter - fix #885

1 files changed, 25 insertions, 16 deletions

diff --git a/application/LinkFilter.php b/application/LinkFilter.php
index 0e887d38..95519528 100644
--- a/application/LinkFilter.php
+++ b/application/LinkFilter.php
@@ -52,10 +52,11 @@ class LinkFilter
      * @param mixed  $request       Filter content.
      * @param bool   $casesensitive Optional: Perform case sensitive filter if true.
      * @param string $visibility    Optional: return only all/private/public links
+     * @param string $untaggedonly  Optional: return only untagged links. Applies only if $type includes FILTER_TAG
      *
      * @return array filtered link list.
      */
-    public function filter($type, $request, $casesensitive = false, $visibility = 'all')
+    public function filter($type, $request, $casesensitive = false, $visibility = 'all', $untaggedonly = false)
     {
         if (! in_array($visibility, ['all', 'public', 'private'])) {
             $visibility = 'all';
@@ -64,23 +65,34 @@ class LinkFilter
         switch($type) {
             case self::$FILTER_HASH:
                 return $this->filterSmallHash($request);
-            case self::$FILTER_TAG | self::$FILTER_TEXT:
-                if (!empty($request)) {
-                    $filtered = $this->links;
-                    if (isset($request[0])) {
-                        $filtered = $this->filterTags($request[0], $casesensitive, $visibility);
-                    }
-                    if (isset($request[1])) {
-                        $lf = new LinkFilter($filtered);
-                        $filtered = $lf->filterFulltext($request[1], $visibility);
+            case self::$FILTER_TAG | self::$FILTER_TEXT: // == "vuotext"
+                $noRequest = empty($request) || (empty($request[0]) && empty($request[1]));
+                if ($noRequest) {
+                    if ($untaggedonly) {
+                        return $this->filterUntagged($visibility);
                     }
-                    return $filtered;
+                    return $this->noFilter($visibility);
                 }
-                return $this->noFilter($visibility);
+                if ($untaggedonly) {
+                    $filtered = $this->filterUntagged($visibility);
+                } else {
+                    $filtered = $this->links;
+                }
+                if (!empty($request[0])) {
+                    $filtered = (new LinkFilter($filtered))->filterTags($request[0], $casesensitive, $visibility);
+                }
+                if (!empty($request[1])) {
+                    $filtered = (new LinkFilter($filtered))->filterFulltext($request[1], $visibility);
+                }
+                return $filtered;
             case self::$FILTER_TEXT:
                 return $this->filterFulltext($request, $visibility);
             case self::$FILTER_TAG:
-                return $this->filterTags($request, $casesensitive, $visibility);
+                if ($untaggedonly) {
+                    return $this->filterUntagged($visibility);
+                } else {
+                    return $this->filterTags($request, $casesensitive, $visibility);
+                }
             case self::$FILTER_DAY:
                 return $this->filterDay($request);
             default:
@@ -253,9 +265,6 @@ class LinkFilter
     {
         // Implode if array for clean up.
         $tags = is_array($tags) ? trim(implode(' ', $tags)) : $tags;
-        if ($tags === false) {
-            return $this->filterUntagged($visibility);
-        }
         if (empty($tags)) {
             return $this->noFilter($visibility);
         }