diff options
Diffstat (limited to 'include/text.php')
| -rw-r--r-- | include/text.php | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/text.php b/include/text.php index 5ad0154d7..011006b76 100644 --- a/include/text.php +++ b/include/text.php @@ -1235,4 +1235,77 @@ function item_post_type($item) { return t('post'); } +// post categories and "save to file" use the same item.file table for storage. +// We will differentiate the different uses by wrapping categories in angle brackets +// and save to file categories in square brackets. +// To do this we need to escape these characters if they appear in our tag. + +function file_tag_encode($s) { + return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s); +} + +function file_tag_decode($s) { + return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s); +} + +function file_tag_file_query($table,$s,$type = 'file') { + if($type == 'file') + $str = preg_quote( '[' . file_tag_encode($s) . ']' ); + else + $str = preg_quote( '<' . file_tag_encode($s) . '>' ); + return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' "; +} + +function file_tag_save_file($uid,$item,$file) { + $result = false; + if(! intval($uid)) + return false; + $r = q("select file from item where id = %d and uid = %d limit 1", + intval($item), + intval($uid) + ); + if(count($r)) { + if(! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']')) + q("update item set file = '%s' where id = %d and uid = %d limit 1", + dbesc($r[0]['file'] . '[' . $file_tag_encode($file) . ']'), + intval($item), + intval($uid) + ); + $saved = get_pconfig($uid,'system','filetags'); + if((! strlen($saved)) || (! stristr($saved,'[' . file_tag_encode($file) . ']'))) + set_pconfig($uid,'system','filetags',$saved . '[' . file_tag_encode($file) . ']'); + } + return true; +} + +function file_tag_unsave_file($uid,$item,$file) { + $result = false; + if(! intval($uid)) + return false; + + $pattern = '[' . file_tag_encode($file) . ']' ; + + $r = q("select file from item where id = %d and uid = %d limit 1", + intval($item), + intval($uid) + ); + if(! count($r)) + return false; + + q("update item set file = '%s' where id = %d and uid = %d limit 1", + dbesc(str_replace($pattern,'',$r[0]['file'])), + intval($item), + intval($uid) + ); + + $r = q("select file from item where uid = %d " . file_tag_file_query('item',$file), + intval($uid) + ); + + if(! count($r)) { + $saved = get_pconfig($uid,'system','filetags'); + set_pconfig($uid,'system','filetags',str_replace($pattern,'',$saved)); + } + return true; +} |