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PhabricatorPasteContentTransaction.php
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Created
Mon, Dec 2, 10:54

PhabricatorPasteContentTransaction.php
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<?php
final class PhabricatorPasteContentTransaction
extends PhabricatorPasteTransactionType {
const TRANSACTIONTYPE = 'paste.create';
private $fileName;
public function generateOldValue($object) {
return $object->getFilePHID();
}
public function applyInternalEffects($object, $value) {
$object->setFilePHID($value);
}
public function extractFilePHIDs($object, $value) {
return array($value);
}
public function validateTransactions($object, array $xactions) {
if ($object->getFilePHID() || $xactions) {
return array();
}
$error = $this->newError(
pht('Required'),
pht('You must provide content to create a paste.'));
$error->setIsMissingFieldError(true);
return array($error);
}
public function willApplyTransactions($object, array $xactions) {
// Find the most user-friendly filename we can by examining the title of
// the paste and the pending transactions. We'll use this if we create a
// new file to store raw content later.
$name = $object->getTitle();
if (!strlen($name)) {
$name = 'paste.raw';
}
$type_title = PhabricatorPasteTitleTransaction::TRANSACTIONTYPE;
foreach ($xactions as $xaction) {
if ($xaction->getTransactionType() == $type_title) {
$name = $xaction->getNewValue();
}
}
$this->fileName = $name;
}
public function generateNewValue($object, $value) {
// If this transaction does not really change the paste content, return
// the current file PHID so this transaction no-ops.
$old_content = $object->getRawContent();
if ($value === $old_content) {
$file_phid = $object->getFilePHID();
if ($file_phid) {
return $file_phid;
}
}
$editor = $this->getEditor();
$actor = $editor->getActor();
$file = $this->newFileForPaste($actor, $this->fileName, $value);
return $file->getPHID();
}
private function newFileForPaste(PhabricatorUser $actor, $name, $data) {
return PhabricatorFile::newFromFileData(
$data,
array(
'name' => $name,
'mime-type' => 'text/plain; charset=utf-8',
'authorPHID' => $actor->getPHID(),
'viewPolicy' => PhabricatorPolicies::POLICY_NOONE,
'editPolicy' => PhabricatorPolicies::POLICY_NOONE,
));
}
public function getIcon() {
return 'fa-plus';
}
public function getTitle() {
return pht(
'%s edited the content of this paste.',
$this->renderAuthor());
}
public function getTitleForFeed() {
return pht(
'%s edited %s.',
$this->renderAuthor(),
$this->renderObject());
}
public function hasChangeDetailView() {
return true;
}
public function getMailDiffSectionHeader() {
return pht('CHANGES TO PASTE CONTENT');
}
public function newChangeDetailView() {
$viewer = $this->getViewer();
$old = $this->getOldValue();
$new = $this->getNewValue();
$files = id(new PhabricatorFileQuery())
->setViewer($viewer)
->withPHIDs(array($old, $new))
->execute();
$files = mpull($files, null, 'getPHID');
$old_text = '';
if (idx($files, $old)) {
$old_text = $files[$old]->loadFileData();
}
$new_text = '';
if (idx($files, $new)) {
$new_text = $files[$new]->loadFileData();
}
return id(new PhabricatorApplicationTransactionTextDiffDetailView())
->setViewer($viewer)
->setOldText($old_text)
->setNewText($new_text);
}
}

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