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PHUITimelineView.php
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Fri, Apr 25, 21:21

PHUITimelineView.php
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<?php
final class PHUITimelineView extends AphrontView {
private $events = array();
private $id;
private $shouldTerminate = false;
private $shouldAddSpacers = true;
private $pager;
private $renderData = array();
private $quoteTargetID;
private $quoteRef;
public function setID($id) {
$this->id = $id;
return $this;
}
public function setShouldTerminate($term) {
$this->shouldTerminate = $term;
return $this;
}
public function setShouldAddSpacers($bool) {
$this->shouldAddSpacers = $bool;
return $this;
}
public function setPager(AphrontCursorPagerView $pager) {
$this->pager = $pager;
return $this;
}
public function getPager() {
return $this->pager;
}
public function addEvent(PHUITimelineEventView $event) {
$this->events[] = $event;
return $this;
}
public function setRenderData(array $data) {
$this->renderData = $data;
return $this;
}
public function setQuoteTargetID($quote_target_id) {
$this->quoteTargetID = $quote_target_id;
return $this;
}
public function getQuoteTargetID() {
return $this->quoteTargetID;
}
public function setQuoteRef($quote_ref) {
$this->quoteRef = $quote_ref;
return $this;
}
public function getQuoteRef() {
return $this->quoteRef;
}
public function render() {
if ($this->getPager()) {
if ($this->id === null) {
$this->id = celerity_generate_unique_node_id();
}
Javelin::initBehavior(
'phabricator-show-older-transactions',
array(
'timelineID' => $this->id,
'renderData' => $this->renderData,
));
}
$events = $this->buildEvents();
return phutil_tag(
'div',
array(
'class' => 'phui-timeline-view',
'id' => $this->id,
),
$events);
}
public function buildEvents() {
require_celerity_resource('phui-timeline-view-css');
$spacer = self::renderSpacer();
$hide = array();
$show = array();
// Bucket timeline events into events we'll hide by default (because they
// predate your most recent interaction with the object) and events we'll
// show by default.
foreach ($this->events as $event) {
if ($event->getHideByDefault()) {
$hide[] = $event;
} else {
$show[] = $event;
}
}
// If you've never interacted with the object, all the events will be shown
// by default. We may still need to paginate if there are a large number
// of events.
$more = (bool)$hide;
if ($this->getPager()) {
if ($this->getPager()->getHasMoreResults()) {
$more = true;
}
}
$events = array();
if ($more && $this->getPager()) {
$uri = $this->getPager()->getNextPageURI();
$uri->setQueryParam('quoteTargetID', $this->getQuoteTargetID());
$uri->setQueryParam('quoteRef', $this->getQuoteRef());
$events[] = javelin_tag(
'div',
array(
'sigil' => 'show-older-block',
'class' => 'phui-timeline-older-transactions-are-hidden',
),
array(
pht('Older changes are hidden. '),
' ',
javelin_tag(
'a',
array(
'href' => (string)$uri,
'mustcapture' => true,
'sigil' => 'show-older-link',
),
pht('Show older changes.')),
));
if ($show) {
$events[] = $spacer;
}
}
if ($show) {
$this->prepareBadgeData($show);
$events[] = phutil_implode_html($spacer, $show);
}
if ($events) {
if ($this->shouldAddSpacers) {
$events = array($spacer, $events, $spacer);
}
} else {
$events = array($spacer);
}
if ($this->shouldTerminate) {
$events[] = self::renderEnder(true);
}
return $events;
}
public static function renderSpacer() {
return phutil_tag(
'div',
array(
'class' => 'phui-timeline-event-view '.
'phui-timeline-spacer',
),
'');
}
public static function renderEnder() {
return phutil_tag(
'div',
array(
'class' => 'phui-timeline-event-view '.
'the-worlds-end',
),
'');
}
private function prepareBadgeData(array $events) {
assert_instances_of($events, 'PHUITimelineEventView');
$viewer = $this->getUser();
$can_use_badges = PhabricatorApplication::isClassInstalledForViewer(
'PhabricatorBadgesApplication',
$viewer);
if (!$can_use_badges) {
return;
}
$user_phid_type = PhabricatorPeopleUserPHIDType::TYPECONST;
$badge_edge_type = PhabricatorRecipientHasBadgeEdgeType::EDGECONST;
$user_phids = array();
foreach ($events as $key => $event) {
if (!$event->hasChildren()) {
// This is a minor event, so we don't have space to show badges.
unset($events[$key]);
continue;
}
$author_phid = $event->getAuthorPHID();
if (!$author_phid) {
unset($events[$key]);
continue;
}
if (phid_get_type($author_phid) != $user_phid_type) {
// This is likely an application actor, like "Herald" or "Harbormaster".
// They can't have badges.
unset($events[$key]);
continue;
}
$user_phids[$author_phid] = $author_phid;
}
if (!$user_phids) {
return;
}
$edges = id(new PhabricatorEdgeQuery())
->withSourcePHIDs($user_phids)
->withEdgeTypes(array($badge_edge_type));
$edges->execute();
$badge_phids = $edges->getDestinationPHIDs();
if (!$badge_phids) {
return;
}
$all_badges = id(new PhabricatorBadgesQuery())
->setViewer($viewer)
->withPHIDs($badge_phids)
->execute();
$all_badges = mpull($all_badges, null, 'getPHID');
foreach ($events as $event) {
$author_phid = $event->getAuthorPHID();
$event_phids = $edges->getDestinationPHIDs(array($author_phid));
$badges = array_select_keys($all_badges, $event_phids);
// TODO: Pick the "best" badges in some smart way. For now, just pick
// the first two.
$badges = array_slice($badges, 0, 2);
foreach ($badges as $badge) {
$badge_view = id(new PHUIBadgeMiniView())
->setIcon($badge->getIcon())
->setQuality($badge->getQuality())
->setHeader($badge->getName())
->setTipDirection('E')
->setHref('/badges/view/'.$badge->getID());
$event->addBadge($badge_view);
}
}
}
}

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