.
 *
 */
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Session;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Item;
use Friendica\Model\Post;
use Friendica\Model\Tag;
use Friendica\Protocol\Activity;
use Friendica\Util\XML;
use Friendica\Worker\Delivery;
function tagger_content(App $a) {
	if (!Session::isAuthenticated()) {
		return;
	}
	$term = trim($_GET['term'] ?? '');
	// no commas allowed
	$term = str_replace([',',' ', '<', '>'],['','_', '', ''], $term);
	if (!$term) {
		return;
	}
	$item_id = ((DI::args()->getArgc() > 1) ? trim(DI::args()->getArgv()[1]) : 0);
	Logger::notice('tagger: tag ' . $term . ' item ' . $item_id);
	$item = Post::selectFirst([], ['id' => $item_id]);
	if (!$item_id || !DBA::isResult($item)) {
		Logger::notice('tagger: no item ' . $item_id);
		return;
	}
	$owner_uid = $item['uid'];
	if (local_user() != $owner_uid) {
		return;
	}
	$contact = Contact::selectFirst([], ['self' => true, 'uid' => local_user()]);
	if (!DBA::isResult($contact)) {
		Logger::notice('tagger: no contact_id');
		return;
	}
	$uri = Item::newURI($owner_uid);
	$xterm = XML::escape($term);
	$post_type = (($item['resource-id']) ? DI::l10n()->t('photo') : DI::l10n()->t('status'));
	$targettype = (($item['resource-id']) ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE );
	$href = DI::baseUrl() . '/display/' . $item['guid'];
	$link = XML::escape('' . "\n");
	$body = XML::escape($item['body']);
	$target = <<< EOT
	
		$targettype
		1
		{$item['uri']}
		$link
		
		$body
	
EOT;
	$tagid = DI::baseUrl() . '/search?tag=' . $xterm;
	$objtype = Activity\ObjectType::TAGTERM;
	$obj = <<< EOT
	
EOT;
	$bodyverb = DI::l10n()->t('%1$s tagged %2$s\'s %3$s with %4$s');
	if (!isset($bodyverb)) {
		return;
	}
	$termlink = html_entity_decode('⌗') . '[url=' . DI::baseUrl() . '/search?tag=' . $term . ']'. $term . '[/url]';
	$arr = [];
	$arr['guid'] = System::createUUID();
	$arr['uri'] = $uri;
	$arr['uid'] = $owner_uid;
	$arr['contact-id'] = $contact['id'];
	$arr['wall'] = $item['wall'];
	$arr['gravity'] = GRAVITY_COMMENT;
	$arr['parent'] = $item['id'];
	$arr['thr-parent'] = $item['uri'];
	$arr['owner-name'] = $item['author-name'];
	$arr['owner-link'] = $item['author-link'];
	$arr['owner-avatar'] = $item['author-avatar'];
	$arr['author-name'] = $contact['name'];
	$arr['author-link'] = $contact['url'];
	$arr['author-avatar'] = $contact['thumb'];
	$ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
	$alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
	$plink = '[url=' . $item['plink'] . ']' . $post_type . '[/url]';
	$arr['body'] =  sprintf( $bodyverb, $ulink, $alink, $plink, $termlink );
	$arr['verb'] = Activity::TAG;
	$arr['target-type'] = $targettype;
	$arr['target'] = $target;
	$arr['object-type'] = $objtype;
	$arr['object'] = $obj;
	$arr['private'] = $item['private'];
	$arr['allow_cid'] = $item['allow_cid'];
	$arr['allow_gid'] = $item['allow_gid'];
	$arr['deny_cid'] = $item['deny_cid'];
	$arr['deny_gid'] = $item['deny_gid'];
	$arr['visible'] = 1;
	$arr['unseen'] = 1;
	$arr['origin'] = 1;
	$post_id = Item::insert($arr);
	if (!$item['visible']) {
		Item::update(['visible' => true], ['id' => $item['id']]);
	}
	Tag::store($item['uri-id'], Tag::HASHTAG, $term);
	$arr['id'] = $post_id;
	Hook::callAll('post_local_end', $arr);
	$post = Post::selectFirst(['uri-id', 'uid'], ['id' => $post_id]);
	Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $post['uri-id'], $post['uid']);
	exit();
}