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phorge/src/applications/transactions/view/PhabricatorApplicationTransactionView.php
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PhabricatorApplicationTransactionView.php
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<?php
/**
* @concrete-extensible
*/
class PhabricatorApplicationTransactionView extends AphrontView {
private $transactions;
private $engine;
private $showEditActions = true;
private $isPreview;
private $objectPHID;
private $shouldTerminate = false;
private $quoteTargetID;
private $quoteRef;
private $pager;
private $renderAsFeed;
private $renderData = array();
private $hideCommentOptions = false;
public function setRenderAsFeed($feed) {
$this->renderAsFeed = $feed;
return $this;
}
public function setQuoteRef($quote_ref) {
$this->quoteRef = $quote_ref;
return $this;
}
public function getQuoteRef() {
return $this->quoteRef;
}
public function setQuoteTargetID($quote_target_id) {
$this->quoteTargetID = $quote_target_id;
return $this;
}
public function getQuoteTargetID() {
return $this->quoteTargetID;
}
public function setObjectPHID($object_phid) {
$this->objectPHID = $object_phid;
return $this;
}
public function getObjectPHID() {
return $this->objectPHID;
}
public function setIsPreview($is_preview) {
$this->isPreview = $is_preview;
return $this;
}
public function setShowEditActions($show_edit_actions) {
$this->showEditActions = $show_edit_actions;
return $this;
}
public function getShowEditActions() {
return $this->showEditActions;
}
public function setMarkupEngine(PhabricatorMarkupEngine $engine) {
$this->engine = $engine;
return $this;
}
public function setTransactions(array $transactions) {
assert_instances_of($transactions, 'PhabricatorApplicationTransaction');
$this->transactions = $transactions;
return $this;
}
public function getTransactions() {
return $this->transactions;
}
public function setShouldTerminate($term) {
$this->shouldTerminate = $term;
return $this;
}
public function setPager(AphrontCursorPagerView $pager) {
$this->pager = $pager;
return $this;
}
public function getPager() {
return $this->pager;
}
/**
* This is additional data that may be necessary to render the next set
* of transactions. Objects that implement
* PhabricatorApplicationTransactionInterface use this data in
* willRenderTimeline.
*/
public function setRenderData(array $data) {
$this->renderData = $data;
return $this;
}
public function getRenderData() {
return $this->renderData;
}
public function setHideCommentOptions($hide_comment_options) {
$this->hideCommentOptions = $hide_comment_options;
return $this;
}
public function getHideCommentOptions() {
return $this->hideCommentOptions;
}
public function buildEvents($with_hiding = false) {
$user = $this->getUser();
$xactions = $this->transactions;
$xactions = $this->filterHiddenTransactions($xactions);
$xactions = $this->groupRelatedTransactions($xactions);
$groups = $this->groupDisplayTransactions($xactions);
// If the viewer has interacted with this object, we hide things from
// before their most recent interaction by default. This tends to make
// very long threads much more manageable, because you don't have to
// scroll through a lot of history and can focus on just new stuff.
$show_group = null;
if ($with_hiding) {
// Find the most recent comment by the viewer.
$group_keys = array_keys($groups);
$group_keys = array_reverse($group_keys);
// If we would only hide a small number of transactions, don't hide
// anything. Just don't examine the last few keys. Also, we always
// want to show the most recent pieces of activity, so don't examine
// the first few keys either.
$group_keys = array_slice($group_keys, 2, -2);
$type_comment = PhabricatorTransactions::TYPE_COMMENT;
foreach ($group_keys as $group_key) {
$group = $groups[$group_key];
foreach ($group as $xaction) {
if ($xaction->getAuthorPHID() == $user->getPHID() &&
$xaction->getTransactionType() == $type_comment) {
// This is the most recent group where the user commented.
$show_group = $group_key;
break 2;
}
}
}
}
$events = array();
$hide_by_default = ($show_group !== null);
$set_next_page_id = false;
foreach ($groups as $group_key => $group) {
if ($hide_by_default && ($show_group === $group_key)) {
$hide_by_default = false;
$set_next_page_id = true;
}
$group_event = null;
foreach ($group as $xaction) {
$event = $this->renderEvent($xaction, $group);
$event->setHideByDefault($hide_by_default);
if (!$group_event) {
$group_event = $event;
} else {
$group_event->addEventToGroup($event);
}
if ($set_next_page_id) {
$set_next_page_id = false;
$pager = $this->getPager();
if ($pager) {
$pager->setNextPageID($xaction->getID());
}
}
}
$events[] = $group_event;
}
return $events;
}
public function render() {
if (!$this->getObjectPHID()) {
throw new PhutilInvalidStateException('setObjectPHID');
}
$view = $this->buildPHUITimelineView();
if ($this->getShowEditActions()) {
Javelin::initBehavior('phabricator-transaction-list');
}
return $view->render();
}
public function buildPHUITimelineView($with_hiding = true) {
if (!$this->getObjectPHID()) {
throw new PhutilInvalidStateException('setObjectPHID');
}
$view = new PHUITimelineView();
$view->setShouldTerminate($this->shouldTerminate);
$view->setQuoteTargetID($this->getQuoteTargetID());
$view->setQuoteRef($this->getQuoteRef());
$events = $this->buildEvents($with_hiding);
foreach ($events as $event) {
$view->addEvent($event);
}
if ($this->getPager()) {
$view->setPager($this->getPager());
}
if ($this->getRenderData()) {
$view->setRenderData($this->getRenderData());
}
return $view;
}
protected function getOrBuildEngine() {
if (!$this->engine) {
$field = PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT;
$engine = id(new PhabricatorMarkupEngine())
->setViewer($this->getUser());
foreach ($this->transactions as $xaction) {
if (!$xaction->hasComment()) {
continue;
}
$engine->addObject($xaction->getComment(), $field);
}
$engine->process();
$this->engine = $engine;
}
return $this->engine;
}
private function buildChangeDetailsLink(
PhabricatorApplicationTransaction $xaction) {
return javelin_tag(
'a',
array(
'href' => '/transactions/detail/'.$xaction->getPHID().'/',
'sigil' => 'workflow',
),
pht('(Show Details)'));
}
private function buildExtraInformationLink(
PhabricatorApplicationTransaction $xaction) {
$link = $xaction->renderExtraInformationLink();
if (!$link) {
return null;
}
return phutil_tag(
'span',
array(
'class' => 'phui-timeline-extra-information',
),
array(" \xC2\xB7 ", $link));
}
protected function shouldGroupTransactions(
PhabricatorApplicationTransaction $u,
PhabricatorApplicationTransaction $v) {
return false;
}
protected function renderTransactionContent(
PhabricatorApplicationTransaction $xaction) {
$field = PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT;
$engine = $this->getOrBuildEngine();
$comment = $xaction->getComment();
if ($comment) {
if ($comment->getIsRemoved()) {
return javelin_tag(
'span',
array(
'class' => 'comment-deleted',
'sigil' => 'transaction-comment',
'meta' => array('phid' => $comment->getTransactionPHID()),
),
pht(
'This comment was removed by %s.',
$xaction->getHandle($comment->getAuthorPHID())->renderLink()));
} else if ($comment->getIsDeleted()) {
return javelin_tag(
'span',
array(
'class' => 'comment-deleted',
'sigil' => 'transaction-comment',
'meta' => array('phid' => $comment->getTransactionPHID()),
),
pht('This comment has been deleted.'));
} else if ($xaction->hasComment()) {
return javelin_tag(
'span',
array(
'class' => 'transaction-comment',
'sigil' => 'transaction-comment',
'meta' => array('phid' => $comment->getTransactionPHID()),
),
$engine->getOutput($comment, $field));
} else {
// This is an empty, non-deleted comment. Usually this happens when
// rendering previews.
return null;
}
}
return null;
}
private function filterHiddenTransactions(array $xactions) {
foreach ($xactions as $key => $xaction) {
if ($xaction->shouldHide()) {
unset($xactions[$key]);
}
}
return $xactions;
}
private function groupRelatedTransactions(array $xactions) {
$last = null;
$last_key = null;
$groups = array();
foreach ($xactions as $key => $xaction) {
if ($last && $this->shouldGroupTransactions($last, $xaction)) {
$groups[$last_key][] = $xaction;
unset($xactions[$key]);
} else {
$last = $xaction;
$last_key = $key;
}
}
foreach ($xactions as $key => $xaction) {
$xaction->attachTransactionGroup(idx($groups, $key, array()));
}
return $xactions;
}
private function groupDisplayTransactions(array $xactions) {
$groups = array();
$group = array();
foreach ($xactions as $xaction) {
if ($xaction->shouldDisplayGroupWith($group)) {
$group[] = $xaction;
} else {
if ($group) {
$groups[] = $group;
}
$group = array($xaction);
}
}
if ($group) {
$groups[] = $group;
}
foreach ($groups as $key => $group) {
$group = msort($group, 'getActionStrength');
$group = array_reverse($group);
$groups[$key] = $group;
}
return $groups;
}
private function renderEvent(
PhabricatorApplicationTransaction $xaction,
array $group) {
$viewer = $this->getUser();
$event = id(new PHUITimelineEventView())
->setUser($viewer)
->setTransactionPHID($xaction->getPHID())
->setUserHandle($xaction->getHandle($xaction->getAuthorPHID()))
->setIcon($xaction->getIcon())
->setColor($xaction->getColor())
->setHideCommentOptions($this->getHideCommentOptions());
list($token, $token_removed) = $xaction->getToken();
if ($token) {
$event->setToken($token, $token_removed);
}
if (!$this->shouldSuppressTitle($xaction, $group)) {
if ($this->renderAsFeed) {
$title = $xaction->getTitleForFeed();
} else {
$title = $xaction->getTitle();
}
if ($xaction->hasChangeDetails()) {
if (!$this->isPreview) {
$details = $this->buildChangeDetailsLink($xaction);
$title = array(
$title,
' ',
$details,
);
}
}
if (!$this->isPreview) {
$more = $this->buildExtraInformationLink($xaction);
if ($more) {
$title = array($title, ' ', $more);
}
}
$event->setTitle($title);
}
if ($this->isPreview) {
$event->setIsPreview(true);
} else {
$event
->setDateCreated($xaction->getDateCreated())
->setContentSource($xaction->getContentSource())
->setAnchor($xaction->getID());
}
$transaction_type = $xaction->getTransactionType();
$comment_type = PhabricatorTransactions::TYPE_COMMENT;
$is_normal_comment = ($transaction_type == $comment_type);
if ($this->getShowEditActions() &&
!$this->isPreview &&
$is_normal_comment) {
$has_deleted_comment =
$xaction->getComment() &&
$xaction->getComment()->getIsDeleted();
$has_removed_comment =
$xaction->getComment() &&
$xaction->getComment()->getIsRemoved();
if ($xaction->getCommentVersion() > 1 && !$has_removed_comment) {
$event->setIsEdited(true);
}
if (!$has_removed_comment) {
$event->setIsNormalComment(true);
}
// If we have a place for quoted text to go and this is a quotable
// comment, pass the quote target ID to the event view.
if ($this->getQuoteTargetID()) {
if ($xaction->hasComment()) {
if (!$has_removed_comment && !$has_deleted_comment) {
$event->setQuoteTargetID($this->getQuoteTargetID());
$event->setQuoteRef($this->getQuoteRef());
}
}
}
$can_edit = PhabricatorPolicyCapability::CAN_EDIT;
if ($xaction->hasComment() || $has_deleted_comment) {
$has_edit_capability = PhabricatorPolicyFilter::hasCapability(
$viewer,
$xaction,
$can_edit);
if ($has_edit_capability && !$has_removed_comment) {
$event->setIsEditable(true);
}
if ($has_edit_capability || $viewer->getIsAdmin()) {
if (!$has_removed_comment) {
$event->setIsRemovable(true);
}
}
}
}
$comment = $this->renderTransactionContent($xaction);
if ($comment) {
$event->appendChild($comment);
}
return $event;
}
private function shouldSuppressTitle(
PhabricatorApplicationTransaction $xaction,
array $group) {
// This is a little hard-coded, but we don't have any other reasonable
// cases for now. Suppress "commented on" if there are other actions in
// the display group.
if (count($group) > 1) {
$type_comment = PhabricatorTransactions::TYPE_COMMENT;
if ($xaction->getTransactionType() == $type_comment) {
return true;
}
}
return false;
}
}

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