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allow users to set categories on their posts

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This commit is contained in:
Michael Johnston 2012-04-01 21:28:31 -04:00
parent 06e9a8b7a0
commit 581b54c974
11 changed files with 226 additions and 18 deletions
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112
include/text.php
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@ -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))