function showContent()
{
if (Event::handle('StartShowTagSubscriptionsContent', array($this))) {
parent::showContent();
$offset = ($this->page - 1) * PROFILES_PER_PAGE;
$limit = PROFILES_PER_PAGE + 1;
$cnt = 0;
$tagsub = new TagSub();
$tagsub->profile_id = $this->getTarget()->getID();
$tagsub->limit($limit, $offset);
$tagsub->find();
if ($tagsub->N) {
$list = new TagSubscriptionsList($tagsub, $this->getTarget(), $this);
$cnt = $list->show();
if (0 == $cnt) {
$this->showEmptyListMessage();
}
} else {
$this->showEmptyListMessage();
}
$this->pagination($this->page > 1, $cnt > PROFILES_PER_PAGE, $this->page, 'tagsubs', array('nickname' => $this->getTarget()->getNickname()));
Event::handle('EndShowTagSubscriptionsContent', array($this));
}
}
static function forProfile(Profile $profile)
{
$tags = array();
$keypart = sprintf('tagsub:by_profile:%d', $profile->id);
$tagstring = self::cacheGet($keypart);
if ($tagstring !== false) {
// cache hit
if (!empty($tagstring)) {
$tags = explode(',', $tagstring);
}
} else {
$tagsub = new TagSub();
$tagsub->profile_id = $profile->id;
$tagsub->selectAdd();
$tagsub->selectAdd('tag');
if ($tagsub->find()) {
$tags = $tagsub->fetchAll('tag');
}
self::cacheSet($keypart, implode(',', $tags));
}
return $tags;
}
/**
* Hook inbox delivery setup so tag subscribers receive all
* notices with that tag in their inbox.
*
* Currently makes no distinction between local messages and
* remote ones which happen to come in to the system. Remote
* notices that don't come in at all won't ever reach this.
*
* @param Notice $notice
* @param array $ni in/out map of profile IDs to inbox constants
* @return boolean hook result
*/
function onStartNoticeWhoGets(Notice $notice, array &$ni)
{
foreach ($notice->getTags() as $tag) {
$tagsub = new TagSub();
$tagsub->tag = $tag;
$tagsub->find();
while ($tagsub->fetch()) {
// These constants are currently not actually used, iirc
$ni[$tagsub->profile_id] = NOTICE_INBOX_SOURCE_SUB;
}
}
return true;
}
static function forProfile(Profile $profile)
{
$tags = array();
$keypart = sprintf('tagsub:by_profile:%d', $profile->id);
$tagstring = self::cacheGet($keypart);
if ($tagstring !== false && !empty($tagstring)) {
$tags = explode(',', $tagstring);
} else {
$tagsub = new TagSub();
$tagsub->profile_id = $profile->id;
if ($tagsub->find()) {
while ($tagsub->fetch()) {
if (!empty($tagsub->tag)) {
$tags[] = $tagsub->tag;
}
}
}
self::cacheSet($keypart, implode(',', $tags));
}
return $tags;
}
