/**
* Checks support_ticket revision access.
*
* @param \Drupal\support_ticket\SupportTicketInterface $support_ticket
* The support_ticket to check.
* @param \Drupal\Core\Session\AccountInterface $account
* A user object representing the user for whom the operation is to be
* performed.
* @param string $op
* (optional) The specific operation being checked. Defaults to 'view.'
*
* @return bool
* TRUE if the operation may be performed, FALSE otherwise.
*/
public function checkAccess(SupportTicketInterface $support_ticket, AccountInterface $account, $op = 'view')
{
$map = array('view' => 'view all revisions', 'update' => 'revert all revisions', 'delete' => 'delete all revisions');
$bundle = $support_ticket->bundle();
$type_map = array('view' => "view {$bundle} revisions", 'update' => "revert {$bundle} revisions", 'delete' => "delete {$bundle} revisions");
if (!$support_ticket || !isset($map[$op]) || !isset($type_map[$op])) {
// If there was no support_ticket to check against, or the $op was not one of
// the supported ones, we return access denied.
return FALSE;
}
// Statically cache access by revision ID, language code, user account ID,
// and operation.
$langcode = $support_ticket->language()->getId();
$cid = $support_ticket->getRevisionId() . ':' . $langcode . ':' . $account->id() . ':' . $op;
if (!isset($this->access[$cid])) {
// Perform basic permission checks first.
if (!$account->hasPermission($map[$op]) && !$account->hasPermission($type_map[$op]) && !$account->hasPermission('administer support tickets')) {
$this->access[$cid] = FALSE;
return FALSE;
}
// There should be at least two revisions. If the vid of the given
// support_ticket and the vid of the default revision differ, then we already
// have two different revisions so there is no need for a separate database
// check. Also, if you try to revert to or delete the default revision, that's
// not good.
if ($support_ticket->isDefaultRevision() && ($this->supportTicketStorage->countDefaultLanguageRevisions($support_ticket) == 1 || $op == 'update' || $op == 'delete')) {
$this->access[$cid] = FALSE;
} elseif ($account->hasPermission('administer support tickets')) {
$this->access[$cid] = TRUE;
} else {
// First check the access to the default revision and finally, if the
// support_ticket passed in is not the default revision then access to that,
// too.
$this->access[$cid] = $this->supportTicketAccess->access($this->supportTicketStorage->load($support_ticket->id()), $op, $account) && ($support_ticket->isDefaultRevision() || $this->supportTicketAccess->access($support_ticket, $op, $account));
}
}
return $this->access[$cid];
}
/**
* Prepares a revision to be reverted.
*
* @param \Drupal\support_ticket\SupportTicketInterface $revision
* The revision to be reverted.
*
* @return \Drupal\support_ticket\SupportTicketInterface
* The prepared revision ready to be stored.
*/
protected function prepareRevertedRevision(SupportTicketInterface $revision)
{
/** @var \Drupal\support_ticket\SupportTicketInterface $default_revision */
$default_revision = $this->supportTicketStorage->load($revision->id());
// If the entity is translated, make sure only translations affected by the
// specified revision are reverted.
$languages = $default_revision->getTranslationLanguages();
if (count($languages) > 1) {
foreach ($languages as $langcode => $language) {
if ($revision->hasTranslation($langcode) && !$revision->getTranslation($langcode)->isRevisionTranslationAffected()) {
$revision_translation = $revision->getTranslation($langcode);
$default_translation = $default_revision->getTranslation($langcode);
foreach ($default_revision->getFieldDefinitions() as $field_name => $definition) {
if ($definition->isTranslatable()) {
$revision_translation->set($field_name, $default_translation->get($field_name)->getValue());
}
}
}
}
}
$revision->setNewRevision();
$revision->isDefaultRevision(TRUE);
return $revision;
}