friendica/mod/tagrm.php

120 lines
2.7 KiB
PHP

<?php
/**
* @file mod/tagrm.php
*/
use Friendica\App;
use Friendica\Content\Text\BBCode;
use Friendica\Core\L10n;
use Friendica\Database\DBA;
use Friendica\Model\Item;
use Friendica\Model\Term;
use Friendica\Util\Strings;
function tagrm_post(App $a)
{
if (!local_user()) {
$a->internalRedirect($_SESSION['photo_return']);
}
if (!empty($_POST['submit']) && ($_POST['submit'] === L10n::t('Cancel'))) {
$a->internalRedirect($_SESSION['photo_return']);
}
$tags = [];
foreach ($_POST['tag'] ?? [] as $tag) {
$tags[] = hex2bin(Strings::escapeTags(trim($tag)));
}
$item_id = $_POST['item'] ?? 0;
update_tags($item_id, $tags);
info(L10n::t('Tag(s) removed') . EOL);
$a->internalRedirect($_SESSION['photo_return']);
// NOTREACHED
}
/**
* Updates tags from an item
*
* @param $item_id
* @param $tags array
* @throws Exception
*/
function update_tags($item_id, $tags){
if (empty($item_id) || empty($tags)){
return;
}
$item = Item::selectFirst(['tag'], ['id' => $item_id, 'uid' => local_user()]);
if (!DBA::isResult($item)) {
return;
}
$old_tags = explode(',', $item['tag']);
foreach ($tags as $new_tag) {
foreach ($old_tags as $index => $old_tag) {
if (strcmp($old_tag, $new_tag) == 0) {
unset($old_tags[$index]);
break;
}
}
}
$tag_str = implode(',', $old_tags);
Term::insertFromTagFieldByItemId($item_id, $tag_str);
}
function tagrm_content(App $a)
{
$o = '';
if (!local_user()) {
$a->internalRedirect($_SESSION['photo_return']);
// NOTREACHED
}
if ($a->argc == 3) {
update_tags($a->argv[1], [Strings::escapeTags(trim(hex2bin($a->argv[2])))]);
$a->internalRedirect($_SESSION['photo_return']);
}
$item_id = (($a->argc > 1) ? intval($a->argv[1]) : 0);
if (!$item_id) {
$a->internalRedirect($_SESSION['photo_return']);
// NOTREACHED
}
$item = Item::selectFirst(['tag'], ['id' => $item_id, 'uid' => local_user()]);
if (!DBA::isResult($item)) {
$a->internalRedirect($_SESSION['photo_return']);
}
$arr = explode(',', $item['tag']);
if (empty($item['tag'])) {
$a->internalRedirect($_SESSION['photo_return']);
}
$o .= '<h3>' . L10n::t('Remove Item Tag') . '</h3>';
$o .= '<p id="tag-remove-desc">' . L10n::t('Select a tag to remove: ') . '</p>';
$o .= '<form id="tagrm" action="tagrm" method="post" >';
$o .= '<input type="hidden" name="item" value="' . $item_id . '" />';
$o .= '<ul>';
foreach ($arr as $x) {
$o .= '<li><input type="checkbox" name="tag[]" value="' . bin2hex($x) . '" >' . BBCode::convert($x) . '</input></li>';
}
$o .= '</ul>';
$o .= '<input id="tagrm-submit" type="submit" name="submit" value="' . L10n::t('Remove') .'" />';
$o .= '<input id="tagrm-cancel" type="submit" name="submit" value="' . L10n::t('Cancel') .'" />';
$o .= '</form>';
return $o;
}