/**
  * @param form_persistentdocument_baseform $form
  * @param form_persistentdocument_response $response
  * @param block_BlockRequest $request
  * @param array $result
  * @param String $acknowledgmentReceiver
  * @param String $replyTo
  * @return void
  */
 protected function sendAcknowledgement($form, $response, $request, $result, $acknowledgmentReceiver, $replyTo)
 {
     $recipients = new mail_MessageRecipients();
     $recipients->setTo(array($acknowledgmentReceiver));
     $parameters = $this->getAcknowledgementNotificationParameters($form, $response, $request, $result, $acknowledgmentReceiver, $replyTo);
     if (Framework::isDebugEnabled()) {
         Framework::debug(__METHOD__ . " Form \"" . $form->getLabel() . "\" (id=" . $form->getId() . ")");
         Framework::debug(__METHOD__ . " Parameters: " . var_export($parameters, true));
         Framework::debug(__METHOD__ . " To      : " . join(", ", $recipients->getTo()));
         Framework::debug(__METHOD__ . " ReplyTo : " . $replyTo);
     }
     $ns = notification_NotificationService::getInstance();
     $ns->setMessageService(MailService::getInstance());
     $notification = $form->getAcknowledgmentNotification();
     $senderEmail = $this->getOverrideNotificationSender($form);
     return $ns->send($notification, $recipients, $parameters, 'form', $replyTo, $senderEmail);
 }
 /**
  * Builds the mail_MessageRecipients according to the recipients selected by
  * the frontoffice user.
  * This method may be overriden via the injection mechanism to allow the
  * developper build a specific mail_MessageRecipients to suit the needs of
  * the project.
  *
  * @param form_persistentdocument_form $form
  * @param mail_MessageRecipients $recipients
  * @param block_BlockRequest $request
  */
 protected function buildMessageRecipients($form, &$recipients, &$request)
 {
     // If there is no recipientGroup, we can exit this method.
     if ($form->getRecipientGroupCount() == 0) {
         return;
     }
     // Init arrays.
     $toArray = $recipients->hasTo() ? $recipients->getTo() : array();
     $ccArray = $recipients->hasCC() ? $recipients->getCC() : array();
     $bccArray = $recipients->hasBCC() ? $recipients->getBCC() : array();
     // The following holds the ID of the recipientGroups selected by the user.
     $selectedGroupArray = array();
     // Retrieve the recipientGroups selected by the user.
     // Depending on the selection type (single or multiple), this value may
     // be either a string or an array.
     if ($request->hasParameter(self::RECIPIENT_GROUP_FIELD_NAME)) {
         $selectedGroupIds = $request->getParameter(self::RECIPIENT_GROUP_FIELD_NAME);
         if (is_string($selectedGroupIds)) {
             $selectedGroupIds = array($selectedGroupIds);
         }
         // Convert each value into an integer.
         $selectedGroupIds = array_map('intval', $selectedGroupIds);
         foreach ($form->getRecipientGroupArray() as $recipientGroup) {
             if (in_array($recipientGroup->getId(), $selectedGroupIds)) {
                 $selectedGroupArray[] = $recipientGroup;
             }
         }
         // If the form holds more than one recipientGroups and if the request
         // contains no recipientGroup selection, we throw an Exception.
         if (count($selectedGroupArray) == 0) {
             throw new form_FormException('Unable to determine the recipients.');
         }
     } else {
         $selectedGroupArray = $form->getRecipientGroupArray();
     }
     // Iterates over the form's recipientGroups and skip the ones that have
     // not been selected by the user.
     foreach ($selectedGroupArray as $recipientGroup) {
         foreach ($recipientGroup->getToArray() as $contact) {
             $toArray = array_merge($toArray, $contact->getEmailAddresses());
         }
         foreach ($recipientGroup->getCcArray() as $contact) {
             $ccArray = array_merge($ccArray, $contact->getEmailAddresses());
         }
         foreach ($recipientGroup->getBccArray() as $contact) {
             $bccArray = array_merge($bccArray, $contact->getEmailAddresses());
         }
     }
     // Update mail_MessageRecipients object.
     $recipients->setTo(array_unique($toArray));
     $recipients->setCC(array_unique($ccArray));
     $recipients->setBCC(array_unique($bccArray));
     if ($recipients->isEmpty() && Framework::isWarnEnabled()) {
         Framework::warn(__METHOD__ . " recipients is empty.");
     }
 }