streams/Zotlabs/Module/Tagger.php

<?php
namespace Zotlabs\Module;

require_once('include/security.php');
require_once('include/bbcode.php');
require_once('include/items.php');



class Tagger extends \Zotlabs\Web\Controller {

	function get() {
	
		if(! local_channel() && ! remote_channel()) {
			return;
		}
	
		$observer_hash = get_observer_hash();
		//strip html-tags
		$term = notags(trim($_GET['term']));
		//check if empty
		if(! $term)
			return;
	
		$item_id = ((argc() > 1) ? notags(trim(argv(1))) : 0);
	
		logger('tagger: tag ' . $term . ' item ' . $item_id);
	
	
		$r = q("SELECT * FROM item left join xchan on xchan_hash = author_xchan WHERE id = '%s' and uid = %d LIMIT 1",
			dbesc($item_id),
			intval(local_channel())
		);
	
		if((! $item_id) || (! $r)) {
			logger('tagger: no item ' . $item_id);
			return;
		}
	
		$item = $r[0];
	
		$owner_uid = $item['uid'];
	
		switch($item['resource_type']) {
			case 'photo':
				$targettype = ACTIVITY_OBJ_PHOTO;
				$post_type = t('photo');
				break;
			case 'event':
				$targgettype = ACTIVITY_OBJ_EVENT;
				$post_type = t('event');
				break;
			default:
				$targettype = ACTIVITY_OBJ_NOTE;
				$post_type = t('post');
				if($item['mid'] != $item['parent_mid'])
					$post_type = t('comment');
				break;
		}
	
	
		$links = array(array('rel' => 'alternate','type' => 'text/html', 
			'href' => z_root() . '/display/' . $item['mid']));
	
		$target = json_encode(array(
			'type'    => $targettype,
			'id'      => $item['mid'],
			'link'    => $links,
			'title'   => $item['title'],
			'content' => $item['body'],
			'created' => $item['created'],
			'edited'  => $item['edited'],
			'author'  => array(
				'name'     => $item['xchan_name'],
				'address'  => $item['xchan_addr'],
				'guid'     => $item['xchan_guid'],
				'guid_sig' => $item['xchan_guid_sig'],
				'link'     => array(
					array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item['xchan_url']),
					array('rel' => 'photo', 'type' => $item['xchan_photo_mimetype'], 'href' => $item['xchan_photo_m'])),
				),
		));
	
	
	
		$link = xmlify('<link rel="alternate" type="text/html" href="' 
			. z_root() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
	
		$tagid = z_root() . '/search?tag=' . $term;
		$objtype = ACTIVITY_OBJ_TAGTERM;
	
		$obj = json_encode(array(
			'type'    => $objtype,
			'id'      => $tagid,
			'link'    => array(array('rel' => 'alternate','type' => 'text/html', 'href' => $tagid)),
			'title'   => $term,
			'content' => $term
		));
	
		$bodyverb = t('%1$s tagged %2$s\'s %3$s with %4$s');
	
		// saving here for reference
		// also check out x22d5 and x2317 and x0d6b and x0db8 and x24d0 and xff20 !!!
	
		$termlink = html_entity_decode('&#x22d5;') . '[zrl=' . z_root() . '/search?tag=' . urlencode($term) . ']'. $term . '[/zrl]';
	
		$channel = \App::get_channel();
	
		$arr = array();
	
		$arr['owner_xchan'] = $item['owner_xchan'];
		$arr['author_xchan'] = $channel['channel_hash'];
	
		$arr['item_origin'] = 1;
		$arr['item_wall'] = ((intval($item['item_wall'])) ? 1 : 0);
	
		$ulink = '[zrl=' . $channel['xchan_url'] . ']' . $channel['channel_name'] . '[/zrl]';
		$alink = '[zrl=' . $item['xchan_url'] . ']' . $item['xchan_name'] . '[/zrl]';
		$plink = '[zrl=' . $item['plink'] . ']' . $post_type . '[/zrl]';
	
		$arr['body'] =  sprintf( $bodyverb, $ulink, $alink, $plink, $termlink );
	
		$arr['verb'] = ACTIVITY_TAG;
		$arr['tgt_type'] = $targettype;
		$arr['target'] = $target;
		$arr['obj_type'] = $objtype;
		$arr['obj'] = $obj;
		$arr['parent_mid'] = $item['mid'];
		
		store_item_tag($item['uid'],$item['id'],TERM_OBJ_POST,TERM_COMMUNITYTAG,$term,$tagid);
		$ret = post_activity_item($arr);

		if($ret['success']) {
			build_sync_packet(local_channel(),
				[ 
					'item' => [ encode_item($ret['activity'],true) ]
				]
			);
		}
	
		killme();
	
	}
	
}