public function getScrollMenuItem(ConpherenceParticipant $participant, $direction)
{
if ($direction == 'up') {
$name = pht('Load Newer Threads');
} else {
$name = pht('Load Older Threads');
}
$item = id(new PHUIListItemView())->addSigil('conpherence-menu-scroller')->setName($name)->setHref($this->baseURI)->setType(PHUIListItemView::TYPE_BUTTON)->setMetadata(array('participant_id' => $participant->getID(), 'conpherence_phid' => $participant->getConpherencePHID(), 'date_touched' => $participant->getDateTouched(), 'direction' => $direction));
return $item;
}
/**
* Handles the curious case when we are visiting a conpherence directly
* by issuing two separate queries. Otherwise, additional conpherences
* are fetched asynchronously. Note these can be earlier or later
* (up or down), depending on what conpherence was selected on initial
* load.
*/
private function loadParticipationWithMidCursor(ConpherenceParticipant $cursor)
{
$user = $this->getRequest()->getUser();
$scroll_up_participant = $this->getEmptyParticipant();
$scroll_down_participant = $this->getEmptyParticipant();
// Note this is a bit dodgy since there may be less than this
// amount in either the up or down direction, thus having us fail
// to fetch LIMIT in total. Whatevs for now and re-visit if we're
// fine-tuning this loading process.
$too_many = ceil(ConpherenceParticipantQuery::LIMIT / 2) + 1;
$participant_query = id(new ConpherenceParticipantQuery())->withParticipantPHIDs(array($user->getPHID()))->setLimit($too_many);
$current_selection_epoch = $cursor->getDateTouched();
$set_one = $participant_query->withParticipantCursor($cursor)->setOrder(ConpherenceParticipantQuery::ORDER_NEWER)->execute();
if (count($set_one) == $too_many) {
$node = reset($set_one);
unset($set_one[$node->getConpherencePHID()]);
$scroll_up_participant = $node;
}
$set_two = $participant_query->withParticipantCursor($cursor)->setOrder(ConpherenceParticipantQuery::ORDER_OLDER)->execute();
if (count($set_two) == $too_many) {
$node = end($set_two);
unset($set_two[$node->getConpherencePHID()]);
$scroll_down_participant = $node;
}
$participation = array_merge($set_one, $set_two);
return array('scroll_up_participant' => $scroll_up_participant, 'scroll_down_participant' => $scroll_down_participant, 'participation' => $participation);
}
