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PhabricatorProjectSlugsTransaction.php
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Mon, Jul 1, 23:12

PhabricatorProjectSlugsTransaction.php
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<?php
final class PhabricatorProjectSlugsTransaction
extends PhabricatorProjectTransactionType {
const TRANSACTIONTYPE = 'project:slugs';
public function generateOldValue($object) {
$slugs = $object->getSlugs();
$slugs = mpull($slugs, 'getSlug', 'getSlug');
unset($slugs[$object->getPrimarySlug()]);
return array_keys($slugs);
}
public function generateNewValue($object, $value) {
return $this->getEditor()->normalizeSlugs($value);
}
public function applyInternalEffects($object, $value) {
return;
}
public function applyExternalEffects($object, $value) {
$old = $this->getOldValue();
$new = $value;
$add = array_diff($new, $old);
$rem = array_diff($old, $new);
foreach ($add as $slug) {
$this->getEditor()->addSlug($object, $slug, true);
}
$this->getEditor()->removeSlugs($object, $rem);
}
public function getTitle() {
$old = $this->getOldValue();
$new = $this->getNewValue();
$add = array_diff($new, $old);
$rem = array_diff($old, $new);
$add = $this->renderHashtags($add);
$rem = $this->renderHashtags($rem);
if ($add && $rem) {
return pht(
'%s changed project hashtag(s), added %d: %s; removed %d: %s.',
$this->renderAuthor(),
count($add),
$this->renderValueList($add),
count($rem),
$this->renderValueList($rem));
} else if ($add) {
return pht(
'%s added %d project hashtag(s): %s.',
$this->renderAuthor(),
count($add),
$this->renderValueList($add));
} else if ($rem) {
return pht(
'%s removed %d project hashtag(s): %s.',
$this->renderAuthor(),
count($rem),
$this->renderValueList($rem));
}
}
public function getTitleForFeed() {
$old = $this->getOldValue();
$new = $this->getNewValue();
$add = array_diff($new, $old);
$rem = array_diff($old, $new);
$add = $this->renderHashtags($add);
$rem = $this->renderHashtags($rem);
if ($add && $rem) {
return pht(
'%s changed %s hashtag(s), added %d: %s; removed %d: %s.',
$this->renderAuthor(),
$this->renderObject(),
count($add),
$this->renderValueList($add),
count($rem),
$this->renderValueList($rem));
} else if ($add) {
return pht(
'%s added %d %s hashtag(s): %s.',
$this->renderAuthor(),
count($add),
$this->renderObject(),
$this->renderValueList($add));
} else if ($rem) {
return pht(
'%s removed %d %s hashtag(s): %s.',
$this->renderAuthor(),
count($rem),
$this->renderObject(),
$this->renderValueList($rem));
}
}
public function getIcon() {
return 'fa-tag';
}
public function validateTransactions($object, array $xactions) {
$errors = array();
if (!$xactions) {
return $errors;
}
$slug_xaction = last($xactions);
$new = $slug_xaction->getNewValue();
$invalid = array();
foreach ($new as $slug) {
if (!PhabricatorSlug::isValidProjectSlug($slug)) {
$invalid[] = $slug;
}
}
if ($invalid) {
$errors[] = $this->newInvalidError(
pht(
'Hashtags must contain at least one letter or number. %s '.
'project hashtag(s) are invalid: %s.',
phutil_count($invalid),
implode(', ', $invalid)));
return $errors;
}
$new = $this->getEditor()->normalizeSlugs($new);
if ($new) {
$slugs_used_already = id(new PhabricatorProjectSlug())
->loadAllWhere('slug IN (%Ls)', $new);
} else {
// The project doesn't have any extra slugs.
$slugs_used_already = array();
}
$slugs_used_already = mgroup($slugs_used_already, 'getProjectPHID');
foreach ($slugs_used_already as $project_phid => $used_slugs) {
if ($project_phid == $object->getPHID()) {
continue;
}
$used_slug_strs = mpull($used_slugs, 'getSlug');
$errors[] = $this->newInvalidError(
pht(
'%s project hashtag(s) are already used by other projects: %s.',
phutil_count($used_slug_strs),
implode(', ', $used_slug_strs)));
}
return $errors;
}
private function renderHashtags(array $tags) {
$result = array();
foreach ($tags as $tag) {
$result[] = '#'.$tag;
}
return $result;
}
}

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