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phab/src/applications/transactions/draft/PhabricatorDraftEngine.php
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PhabricatorDraftEngine.php
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<?php
abstract class PhabricatorDraftEngine
extends Phobject {
private $viewer;
private $object;
private $hasVersionedDraft;
private $versionedDraft;
final public function setViewer(PhabricatorUser $viewer) {
$this->viewer = $viewer;
return $this;
}
final public function getViewer() {
return $this->viewer;
}
final public function setObject($object) {
$this->object = $object;
return $this;
}
final public function getObject() {
return $this->object;
}
final public function setVersionedDraft(
PhabricatorVersionedDraft $draft = null) {
$this->hasVersionedDraft = true;
$this->versionedDraft = $draft;
return $this;
}
final public function getVersionedDraft() {
if (!$this->hasVersionedDraft) {
$draft = PhabricatorVersionedDraft::loadDraft(
$this->getObject()->getPHID(),
$this->getViewer()->getPHID());
$this->setVersionedDraft($draft);
}
return $this->versionedDraft;
}
protected function hasVersionedDraftContent() {
$draft = $this->getVersionedDraft();
if (!$draft) {
return false;
}
if ($draft->getProperty('comment')) {
return true;
}
if ($draft->getProperty('actions')) {
return true;
}
return false;
}
protected function hasCustomDraftContent() {
return false;
}
final protected function hasAnyDraftContent() {
if ($this->hasVersionedDraftContent()) {
return true;
}
if ($this->hasCustomDraftContent()) {
return true;
}
return false;
}
final public function synchronize() {
$object_phid = $this->getObject()->getPHID();
$viewer_phid = $this->getViewer()->getPHID();
$has_draft = $this->hasAnyDraftContent();
$draft_type = PhabricatorObjectHasDraftEdgeType::EDGECONST;
$editor = id(new PhabricatorEdgeEditor());
if ($has_draft) {
$editor->addEdge($object_phid, $draft_type, $viewer_phid);
} else {
$editor->removeEdge($object_phid, $draft_type, $viewer_phid);
}
$editor->save();
}
final public static function attachDrafts(
PhabricatorUser $viewer,
array $objects) {
assert_instances_of($objects, 'PhabricatorDraftInterface');
$viewer_phid = $viewer->getPHID();
if (!$viewer_phid) {
// Viewers without a valid PHID can never have drafts.
foreach ($objects as $object) {
$object->attachHasDraft($viewer, false);
}
return;
} else {
$draft_type = PhabricatorObjectHasDraftEdgeType::EDGECONST;
$edge_query = id(new PhabricatorEdgeQuery())
->withSourcePHIDs(mpull($objects, 'getPHID'))
->withEdgeTypes(
array(
$draft_type,
))
->withDestinationPHIDs(array($viewer_phid));
$edge_query->execute();
foreach ($objects as $object) {
$has_draft = (bool)$edge_query->getDestinationPHIDs(
array(
$object->getPHID(),
));
$object->attachHasDraft($viewer, $has_draft);
}
}
}
}
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