/**
* Performs a synchronization of emails for the given email origin.
*
* @param EmailOrigin $origin
*/
public function process(EmailOrigin $origin)
{
// make sure that the entity builder is empty
$this->emailEntityBuilder->clear();
// get a list of emails belong to any object, for example an user or a contacts
$emailAddressBatches = $this->getKnownEmailAddressBatches($origin->getSynchronizedAt());
// iterate through all folders and do a synchronization of emails for each one
$folders = $this->getFolders($origin);
foreach ($folders as $folder) {
// register the current folder in the entity builder
$this->emailEntityBuilder->setFolder($folder);
// ask an email server to select the current folder
$folderName = $folder->getFullName();
$this->manager->selectFolder($folderName);
// check that a state of the current folder is valid
$imapFolder = $this->getImapFolder($folder);
if ($imapFolder->getUidValidity() !== $this->manager->getUidValidity()) {
$imapFolder->setUidValidity($this->manager->getUidValidity());
$this->em->persist($imapFolder);
$this->em->flush();
}
$this->log->notice(sprintf('Loading emails from "%s" folder ...', $folderName));
foreach ($emailAddressBatches as $emailAddressBatch) {
// build a search query
$sqb = $this->manager->getSearchQueryBuilder();
if ($origin->getSynchronizedAt() && $folder->getSynchronizedAt() && !$emailAddressBatch['needFullSync']) {
$sqb->sent($folder->getSynchronizedAt());
}
$sqb->openParenthesis();
$sqb->openParenthesis();
$this->addEmailAddressesToSearchQueryBuilder($sqb, 'from', $emailAddressBatch['items']);
$sqb->closeParenthesis();
$sqb->openParenthesis();
$this->addEmailAddressesToSearchQueryBuilder($sqb, 'to', $emailAddressBatch['items']);
$sqb->orOperator();
$this->addEmailAddressesToSearchQueryBuilder($sqb, 'cc', $emailAddressBatch['items']);
// not all IMAP servers support search by BCC, for example imap-mail.outlook.com does not
//$sqb->orOperator();
//$this->addEmailAddressesToSearchQueryBuilder($sqb, 'bcc', $emailAddressBatch['items']);
$sqb->closeParenthesis();
$sqb->closeParenthesis();
// load emails using this search query
$this->loadEmails($folder, $sqb->get());
}
}
}
/**
* Gets UIDVALIDITY of the given folder
*
* @param Folder $folder
*
* @return int
*/
protected function getUidValidity(Folder $folder)
{
$this->manager->selectFolder($folder->getGlobalName());
return $this->manager->getUidValidity();
}
