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phorge/src/applications/files/engineextension/PhabricatorFilesCurtainExtension.php
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PhabricatorFilesCurtainExtension.php
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<?php
final class PhabricatorFilesCurtainExtension
extends PHUICurtainExtension {
const EXTENSIONKEY = 'files.files';
public function shouldEnableForObject($object) {
return true;
}
public function getExtensionApplication() {
return new PhabricatorFilesApplication();
}
public function buildCurtainPanel($object) {
$viewer = $this->getViewer();
$attachment_table = new PhabricatorFileAttachment();
$attachment_conn = $attachment_table->establishConnection('r');
$exact_limit = 100;
$visible_limit = 8;
$attachments = id(new PhabricatorFileAttachmentQuery())
->setViewer($viewer)
->withObjectPHIDs(array($object->getPHID()))
->setLimit($exact_limit + 1)
->needFiles(true)
->execute();
$visible_attachments = array_slice($attachments, 0, $visible_limit, true);
$visible_phids = mpull($visible_attachments, 'getFilePHID');
$handles = $viewer->loadHandles($visible_phids);
$ref_list = id(new PHUICurtainObjectRefListView())
->setViewer($viewer)
->setEmptyMessage(pht('None'));
$view_capability = PhabricatorPolicyCapability::CAN_VIEW;
$object_policies = PhabricatorPolicyQuery::loadPolicies(
$viewer,
$object);
$object_policy = idx($object_policies, $view_capability);
foreach ($visible_attachments as $attachment) {
$file_phid = $attachment->getFilePHID();
$handle = $handles[$file_phid];
$ref = $ref_list->newObjectRefView()
->setHandle($handle);
$file = $attachment->getFile();
if (!$file) {
// ...
} else {
if (!$attachment->isPolicyAttachment()) {
$file_policies = PhabricatorPolicyQuery::loadPolicies(
$viewer,
$file);
$file_policy = idx($file_policies, $view_capability);
if ($object_policy->isStrongerThanOrEqualTo($file_policy)) {
// The file is not attached to the object, but the file policy
// allows anyone who can see the object to see the file too, so
// there is no material problem with the file not being attached.
} else {
$attach_uri = urisprintf(
'/file/ui/curtain/attach/%s/%s/',
$object->getPHID(),
$file->getPHID());
$attached_link = javelin_tag(
'a',
array(
'href' => $attach_uri,
'sigil' => 'workflow',
),
pht('File Not Attached'));
$ref->setExiled(
true,
$attached_link);
}
}
}
$epoch = $attachment->getDateCreated();
$ref->setEpoch($epoch);
}
$show_all = (count($visible_attachments) < count($attachments));
if ($show_all) {
$view_all_uri = urisprintf(
'/file/ui/curtain/list/%s/',
$object->getPHID());
$loaded_count = count($attachments);
if ($loaded_count > $exact_limit) {
$link_text = pht('View All Files');
} else {
$link_text = pht('View All %d Files', new PhutilNumber($loaded_count));
}
$ref_list->newTailLink()
->setURI($view_all_uri)
->setText($link_text)
->setWorkflow(true);
}
return $this->newPanel()
->setHeaderText(pht('Referenced Files'))
->setOrder(15000)
->appendChild($ref_list);
}
}

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