* - searchterm: term search
* @param bool $casesensitive Optional: Perform case sensitive filter
* @param string $visibility return only all/private/public links
+ * @param string $untaggedonly return only untagged links
*
* @return array filtered links, all links if no suitable filter was provided.
*/
- public function filterSearch($filterRequest = array(), $casesensitive = false, $visibility = 'all')
+ public function filterSearch($filterRequest = array(), $casesensitive = false, $visibility = 'all', $untaggedonly = false)
{
// Filter link database according to parameters.
$searchtags = isset($filterRequest['searchtags']) ? escape($filterRequest['searchtags']) : '';
$searchterm = isset($filterRequest['searchterm']) ? escape($filterRequest['searchterm']) : '';
// Search tags + fullsearch - blank string parameter will return all links.
- $type = LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT;
+ $type = LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT; // == "vuotext"
$request = [$searchtags, $searchterm];
$linkFilter = new LinkFilter($this);
- return $linkFilter->filter($type, $request, $casesensitive, $visibility);
+ return $linkFilter->filter($type, $request, $casesensitive, $visibility, $untaggedonly);
}
/**
return $tags;
}
+ /**
+ * Rename or delete a tag across all links.
+ *
+ * @param string $from Tag to rename
+ * @param string $to New tag. If none is provided, the from tag will be deleted
+ *
+ * @return array|bool List of altered links or false on error
+ */
+ public function renameTag($from, $to)
+ {
+ if (empty($from)) {
+ return false;
+ }
+ $delete = empty($to);
+ // True for case-sensitive tag search.
+ $linksToAlter = $this->filterSearch(['searchtags' => $from], true);
+ foreach($linksToAlter as $key => &$value)
+ {
+ $tags = preg_split('/\s+/', trim($value['tags']));
+ if (($pos = array_search($from, $tags)) !== false) {
+ if ($delete) {
+ unset($tags[$pos]); // Remove tag.
+ } else {
+ $tags[$pos] = trim($to);
+ }
+ $value['tags'] = trim(implode(' ', array_unique($tags)));
+ $this[$value['id']] = $value;
+ }
+ }
+
+ return $linksToAlter;
+ }
+
/**
* Returns the list of days containing articles (oldest first)
* Output: An array containing days (in format YYYYMMDD).