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phorge/src/applications/files/xaction/PhabricatorFileAltTextTransaction.php
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PhabricatorFileAltTextTransaction.php
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<?php
final class PhabricatorFileAltTextTransaction
extends PhabricatorFileTransactionType {
const TRANSACTIONTYPE = 'file:alt';
public function generateOldValue($object) {
return $object->getCustomAltText();
}
public function generateNewValue($object, $value) {
$value = phutil_string_cast($value);
if (!strlen($value)) {
$value = null;
}
return $value;
}
public function applyInternalEffects($object, $value) {
$object->setCustomAltText($value);
}
public function getTitle() {
$old_value = $this->getOldValue();
$new_value = $this->getNewValue();
if (!phutil_nonempty_string($old_value)) {
return pht(
'%s set the alternate text for this file to %s.',
$this->renderAuthor(),
$this->renderNewValue());
} else if (!phutil_nonempty_string($new_value)) {
return pht(
'%s removed the alternate text for this file (was %s).',
$this->renderAuthor(),
$this->renderOldValue());
} else {
return pht(
'%s changed the alternate text for this file from %s to %s.',
$this->renderAuthor(),
$this->renderOldValue(),
$this->renderNewValue());
}
}
public function getTitleForFeed() {
$old_value = $this->getOldValue();
$new_value = $this->getNewValue();
if (!strlen($old_value)) {
return pht(
'%s set the alternate text for %s to %s.',
$this->renderAuthor(),
$this->renderObject(),
$this->renderNewValue());
} else if (!strlen($new_value)) {
return pht(
'%s removed the alternate text for %s (was %s).',
$this->renderAuthor(),
$this->renderObject(),
$this->renderOldValue());
} else {
return pht(
'%s changed the alternate text for %s from %s to %s.',
$this->renderAuthor(),
$this->renderObject(),
$this->renderOldValue(),
$this->renderNewValue());
}
}
public function validateTransactions($object, array $xactions) {
$errors = array();
$max_length = 1024;
foreach ($xactions as $xaction) {
$new_value = $xaction->getNewValue();
$new_length = strlen($new_value);
if ($new_length > $max_length) {
$errors[] = $this->newInvalidError(
pht(
'File alternate text must not be longer than %s character(s).',
new PhutilNumber($max_length)));
}
}
return $errors;
}
}

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