friendica-github/mod/tagrm.php

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<?php
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/**
* @file mod/tagrm.php
*/
use Friendica\App;
use Friendica\Content\Text\BBCode;
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use Friendica\Core\L10n;
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use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\Model\Item;
function tagrm_post(App $a)
{
if (!local_user()) {
$a->internalRedirect($_SESSION['photo_return']);
}
if (x($_POST,'submit') && ($_POST['submit'] === L10n::t('Cancel'))) {
$a->internalRedirect($_SESSION['photo_return']);
}
$tag = (x($_POST,'tag') ? hex2bin(notags(trim($_POST['tag']))) : '');
$item_id = (x($_POST,'item') ? intval($_POST['item']) : 0);
$item = Item::selectFirst(['tag'], ['id' => $item_id, 'uid' => local_user()]);
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if (!DBA::isResult($item)) {
$a->internalRedirect($_SESSION['photo_return']);
}
$arr = explode(',', $item['tag']);
for ($x = 0; $x < count($arr); $x ++) {
if ($arr[$x] === $tag) {
unset($arr[$x]);
break;
}
}
$tag_str = implode(',',$arr);
Item::update(['tag' => $tag_str], ['id' => $item_id]);
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info(L10n::t('Tag removed') . EOL );
$a->internalRedirect($_SESSION['photo_return']);
// NOTREACHED
}
function tagrm_content(App $a)
{
$o = '';
if (!local_user()) {
$a->internalRedirect($_SESSION['photo_return']);
// NOTREACHED
}
$item_id = (($a->argc > 1) ? intval($a->argv[1]) : 0);
if (!$item_id) {
$a->internalRedirect($_SESSION['photo_return']);
// NOTREACHED
}
$item = Item::selectFirst(['tag'], ['id' => $item_id, 'uid' => local_user()]);
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if (!DBA::isResult($item)) {
$a->internalRedirect($_SESSION['photo_return']);
}
$arr = explode(',', $item['tag']);
if (!count($arr)) {
$a->internalRedirect($_SESSION['photo_return']);
}
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$o .= '<h3>' . L10n::t('Remove Item Tag') . '</h3>';
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$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>';
}
$o .= '</ul>';
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$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;
}