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DifferentialRequiredSignaturesField.php
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Sat, Nov 30, 02:23

DifferentialRequiredSignaturesField.php
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<?php
final class DifferentialRequiredSignaturesField
extends DifferentialCoreCustomField {
public function getFieldKey() {
return 'differential:required-signatures';
}
public function getFieldName() {
return pht('Required Signatures');
}
public function getFieldDescription() {
return pht('Display required legal agreements.');
}
public function shouldAppearInPropertyView() {
return true;
}
public function shouldAppearInEditView() {
return false;
}
protected function readValueFromRevision(DifferentialRevision $revision) {
return self::loadForRevision($revision);
}
public static function loadForRevision($revision) {
$app_legalpad = 'PhabricatorLegalpadApplication';
if (!PhabricatorApplication::isClassInstalled($app_legalpad)) {
return array();
}
if (!$revision->getPHID()) {
return array();
}
$phids = PhabricatorEdgeQuery::loadDestinationPHIDs(
$revision->getPHID(),
LegalpadObjectNeedsSignatureEdgeType::EDGECONST);
if ($phids) {
// NOTE: We're bypassing permissions to pull these. We have to expose
// some information about signature status in order to implement this
// field meaningfully (otherwise, we could not tell reviewers that they
// can't accept the revision yet), but that's OK because the only way to
// require signatures is with a "Global" Herald rule, which requires a
// high level of access.
$signatures = id(new LegalpadDocumentSignatureQuery())
->setViewer(PhabricatorUser::getOmnipotentUser())
->withDocumentPHIDs($phids)
->withSignerPHIDs(array($revision->getAuthorPHID()))
->execute();
$signatures = mpull($signatures, null, 'getDocumentPHID');
$phids = array_fuse($phids);
foreach ($phids as $phid) {
$phids[$phid] = isset($signatures[$phid]);
}
}
return $phids;
}
public function getRequiredHandlePHIDsForPropertyView() {
return array_keys($this->getValue());
}
public function renderPropertyViewValue(array $handles) {
if (!$handles) {
return null;
}
$author_phid = $this->getObject()->getAuthorPHID();
$viewer_phid = $this->getViewer()->getPHID();
$viewer_is_author = ($author_phid == $viewer_phid);
$view = new PHUIStatusListView();
foreach ($handles as $handle) {
$item = id(new PHUIStatusItemView())
->setTarget($handle->renderLink());
// NOTE: If the viewer isn't the author, we just show generic document
// icons, because the granular information isn't very useful and there
// is no need to disclose it.
// If the viewer is the author, we show exactly what they need to sign.
if (!$viewer_is_author) {
$item->setIcon('fa-file-text-o bluegrey');
} else {
if (idx($this->getValue(), $handle->getPHID())) {
$item->setIcon('fa-check-square-o green');
} else {
$item->setIcon('fa-times red');
}
}
$view->addItem($item);
}
return $view;
}
public function getWarningsForDetailView() {
if (!$this->haveAnyUnsignedDocuments()) {
return array();
}
return array(
pht(
'The author of this revision has not signed all the required '.
'legal documents. The revision can not be accepted until the '.
'documents are signed.'),
);
}
private function haveAnyUnsignedDocuments() {
foreach ($this->getValue() as $phid => $signed) {
if (!$signed) {
return true;
}
}
return false;
}
public function getWarningsForRevisionHeader(array $handles) {
if (!$this->haveAnyUnsignedDocuments()) {
return array();
}
return array(
pht(
'This revision can not be accepted until the required legal '.
'agreements have been signed.'),
);
}
}

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