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PhabricatorMacroFileTransaction.php
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Created
Thu, Aug 29, 15:28

PhabricatorMacroFileTransaction.php
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<?php
final class PhabricatorMacroFileTransaction
extends PhabricatorMacroTransactionType {
const TRANSACTIONTYPE = 'macro:file';
public function generateOldValue($object) {
return $object->getFilePHID();
}
public function applyInternalEffects($object, $value) {
$object->setFilePHID($value);
}
public function applyExternalEffects($object, $value) {
$old = $this->generateOldValue($object);
$new = $value;
$all = array();
if ($old) {
$all[] = $old;
}
if ($new) {
$all[] = $new;
}
$files = id(new PhabricatorFileQuery())
->setViewer($this->getActor())
->withPHIDs($all)
->execute();
$files = mpull($files, null, 'getPHID');
$old_file = idx($files, $old);
if ($old_file) {
$old_file->detachFromObject($object->getPHID());
}
$new_file = idx($files, $new);
if ($new_file) {
$new_file->attachToObject($object->getPHID());
}
}
public function getTitle() {
return pht(
'%s changed the image for this macro.',
$this->renderAuthor());
}
public function getTitleForFeed() {
return pht(
'%s changed the image for %s.',
$this->renderAuthor(),
$this->renderObject());
}
public function validateTransactions($object, array $xactions) {
$errors = array();
$viewer = $this->getActor();
$old_phid = $object->getFilePHID();
foreach ($xactions as $xaction) {
$file_phid = $xaction->getNewValue();
if (!$old_phid) {
if ($this->isEmptyTextTransaction($file_phid, $xactions)) {
$errors[] = $this->newRequiredError(
pht('Image macros must have a file.'));
return $errors;
}
}
// Only validate if file was uploaded
if ($file_phid) {
$file = id(new PhabricatorFileQuery())
->setViewer($viewer)
->withPHIDs(array($file_phid))
->executeOne();
if (!$file) {
$errors[] = $this->newInvalidError(
pht('"%s" is not a valid file PHID.',
$file_phid));
} else {
if (!$file->isViewableImage()) {
$mime_type = $file->getMimeType();
$errors[] = $this->newInvalidError(
pht('File mime type of "%s" is not a valid viewable image.',
$mime_type));
}
}
}
}
return $errors;
}
public function getIcon() {
return 'fa-file-image-o';
}
}

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