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-rw-r--r--include/text.php112
1 files changed, 112 insertions, 0 deletions
diff --git a/include/text.php b/include/text.php
index 191f4fca8..f204e3f9b 100644
--- a/include/text.php
+++ b/include/text.php
@@ -1314,6 +1314,118 @@ function file_tag_file_query($table,$s,$type = 'file') {
return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
}
+// ex. given music,video return <music><video> or [music][video]
+function file_tag_list_to_file($list,$type = 'file') {
+ $tag_list = '';
+ if(strlen($list)) {
+ $list_array = explode(",",$list);
+ if($type == 'file') {
+ $lbracket = '[';
+ $rbracket = ']';
+ }
+ else {
+ $lbracket = '<';
+ $rbracket = '>';
+ }
+
+ foreach($list_array as $item) {
+ if(strlen($item)) {
+ $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
+ }
+ }
+ }
+ return $tag_list;
+}
+
+// ex. given <music><video>[friends], return music,video or friends
+function file_tag_file_to_list($file,$type = 'file') {
+ $matches = false;
+ $list = '';
+ if($type == 'file') {
+ $cnt = preg_match_all('/\[(.*?)\]/',$file,$matches,PREG_SET_ORDER);
+ }
+ else {
+ $cnt = preg_match_all('/<(.*?)>/',$file,$matches,PREG_SET_ORDER);
+ }
+ if($cnt) {
+ foreach($matches as $mtch) {
+ if(strlen($list))
+ $list .= ',';
+ $list .= file_tag_decode($mtch[1]);
+ }
+ }
+
+ return $list;
+}
+
+function file_tag_update_pconfig($uid,$file_old,$file_new,$type = 'file') {
+ // $file_old - categories previously associated with an item
+ // $file_new - new list of categories for an item
+
+ if(! intval($uid))
+ return false;
+
+ if($file_old == $file_new)
+ return true;
+
+ $saved = get_pconfig($uid,'system','filetags');
+ if(strlen($saved)) {
+ if($type == 'file') {
+ $lbracket = '[';
+ $rbracket = ']';
+ }
+ else {
+ $lbracket = '<';
+ $rbracket = '>';
+ }
+
+ $filetags_updated = $saved;
+
+ // check for new tags to be added as filetags in pconfig
+ $new_tags = array();
+ $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
+
+ foreach($check_new_tags as $tag) {
+ if(! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket))
+ $new_tags[] = $tag;
+ }
+
+ $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
+
+ // check for deleted tags to be removed from filetags in pconfig
+ $deleted_tags = array();
+ $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
+
+ foreach($check_deleted_tags as $tag) {
+ if(! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket))
+ $deleted_tags[] = $tag;
+ }
+
+ foreach($deleted_tags as $key => $tag) {
+ $r = q("select file from item where uid = %d " . file_tag_file_query('item',$tag,$type),
+ intval($uid)
+ );
+
+ if(count($r)) {
+ unset($deleted_tags[$key]);
+ }
+ else {
+ $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
+ }
+ }
+
+ if($saved != $filetags_updated) {
+ set_pconfig($uid,'system','filetags', $filetags_updated);
+ }
+ return true;
+ }
+ else
+ if(strlen($file_new)) {
+ set_pconfig($uid,'system','filetags', $file_new);
+ }
+ return true;
+}
+
function file_tag_save_file($uid,$item,$file) {
$result = false;
if(! intval($uid))