/** {@inheritdoc} */
public function dispatch(\Zend\Stdlib\RequestInterface $request, \Zend\Stdlib\ResponseInterface $response = null)
{
// Fetch client with given ID for actions referring to a particular client
$action = $this->getEvent()->getRouteMatch()->getParam('action');
if ($action != 'index' and $action != 'search' and $action != 'import') {
try {
$this->_currentClient = $this->_clientManager->getClient($request->getQuery('id'));
} catch (\RuntimeException $e) {
// Client does not exist - may happen when URL has become stale.
$this->flashMessenger()->addErrorMessage('The requested client does not exist.');
return $this->redirectToRoute('client', 'index');
}
}
return parent::dispatch($request, $response);
}
/**
* Merge clients
*
* This method is used to eliminate duplicates in the database. Based on the
* last contact, the newest entry is preserved. All older entries are
* deleted. Some information from the older entries can be preserved on the
* remaining client.
*
* @param integer[] $clients IDs of clients to merge
* @param bool $mergeCustomFields Preserve custom fields from oldest client
* @param bool $mergeGroups Preserve manual group assignments from old clients
* @param bool $mergePackages Preserve package assignments from old clients missing on new client
* @throws \RuntimeException if an affected client cannot be locked
*/
public function merge(array $clients, $mergeCustomFields, $mergeGroups, $mergePackages)
{
// Remove duplicate IDs
$clients = array_unique($clients);
if (count($clients) < 2) {
return;
// Nothing to do
}
$connection = $this->_clients->getAdapter()->getDriver()->getConnection();
$connection->beginTransaction();
try {
// Lock all given clients and create a list sorted by LastContactDate.
foreach ($clients as $id) {
$client = $this->_clientManager->getClient($id);
if (!$client->lock()) {
throw new \RuntimeException("Cannot lock client {$id}");
}
$timestamp = $client['LastContactDate']->getTimestamp();
$list[$timestamp] = $client;
}
ksort($list);
// Now that the list is sorted, renumber the indices
$clients = array_values($list);
// Newest client will be the only one not to be deleted, remove it from the list
$newest = array_pop($clients);
if ($mergeCustomFields) {
// Overwrite custom fields with values from oldest client
$newest->setCustomFields($clients[0]['CustomFields']);
}
if ($mergeGroups) {
// Build list with all manual group assignments from old clients.
// If more than 1 old client is to be merged and the clients
// have different assignments for the same group, the result is
// undefined.
$groupList = array();
foreach ($clients as $client) {
$groupList += $client->getGroupMemberships(\Model\Client\Client::MEMBERSHIP_MANUAL);
}
$newest->setGroupMemberships($groupList);
}
if ($mergePackages) {
// Update the client IDs directly. Assignments from all older
// clients are merged. Exclude packages that are already assigned.
$id = $newest['Id'];
$notIn = $this->_clientConfig->getSql()->select();
$notIn->columns(array('ivalue'))->where(array('hardware_id' => $id, 'name' => 'DOWNLOAD'));
foreach ($clients as $client) {
$this->_clientConfig->update(array('hardware_id' => $id), array('hardware_id' => $client['Id'], new \Zend\Db\Sql\Predicate\Operator('name', '!=', 'DOWNLOAD_SWITCH'), new \Zend\Db\Sql\Predicate\Like('name', 'DOWNLOAD%'), new \Zend\Db\Sql\Predicate\NotIn('ivalue', $notIn)));
}
}
// Delete all older clients
foreach ($clients as $client) {
$this->_clientManager->deleteClient($client, false);
}
// Unlock remaining client
$newest->unlock();
} catch (\Exception $exception) {
$connection->rollback();
throw $exception;
}
$connection->commit();
}
