PHP CRM_Event_BAO_Participant::transitionParticipants方法代码示例

 /**
  * Process Registration of free event.
  *
  * @param array $params
  *   Form values.
  * @param int $contactID
  */
 public function processRegistration($params, $contactID = NULL)
 {
     $session = CRM_Core_Session::singleton();
     $this->_participantInfo = array();
     // CRM-4320, lets build array of cancelled additional participant ids
     // those are drop or skip by primary at the time of confirmation.
     // get all in and then unset those are confirmed.
     $cancelledIds = $this->_additionalParticipantIds;
     $participantCount = array();
     foreach ($params as $participantNum => $record) {
         if ($record == 'skip') {
             $participantCount[$participantNum] = 'skip';
         } elseif ($participantNum) {
             $participantCount[$participantNum] = 'participant';
         }
     }
     $registerByID = NULL;
     foreach ($params as $key => $value) {
         if ($value != 'skip') {
             $fields = NULL;
             // setting register by Id and unset contactId.
             if (empty($value['is_primary'])) {
                 $contactID = NULL;
                 $registerByID = $this->get('registerByID');
                 if ($registerByID) {
                     $value['registered_by_id'] = $registerByID;
                 }
                 // get an email if one exists for the participant
                 $participantEmail = '';
                 foreach (array_keys($value) as $valueName) {
                     if (substr($valueName, 0, 6) == 'email-') {
                         $participantEmail = $value[$valueName];
                     }
                 }
                 if ($participantEmail) {
                     $this->_participantInfo[] = $participantEmail;
                 } else {
                     $this->_participantInfo[] = $value['first_name'] . ' ' . $value['last_name'];
                 }
             } elseif (!empty($value['contact_id'])) {
                 $contactID = $value['contact_id'];
             } else {
                 $contactID = $this->getContactID();
             }
             CRM_Event_Form_Registration_Confirm::fixLocationFields($value, $fields, $this);
             //for free event or additional participant, dont create billing email address.
             if (empty($value['is_primary']) || !$this->_values['event']['is_monetary']) {
                 unset($value["email-{$this->_bltID}"]);
             }
             $contactID = CRM_Event_Form_Registration_Confirm::updateContactFields($contactID, $value, $fields, $this);
             // lets store the contactID in the session
             // we dont store in userID in case the user is doing multiple
             // transactions etc
             // for things like tell a friend
             if (!$this->getContactID() && !empty($value['is_primary'])) {
                 $session->set('transaction.userID', $contactID);
             }
             //lets get the status if require approval or waiting.
             $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'");
             if ($this->_allowWaitlist && !$this->_allowConfirmation) {
                 $value['participant_status_id'] = $value['participant_status'] = array_search('On waitlist', $waitingStatuses);
             } elseif ($this->_requireApproval && !$this->_allowConfirmation) {
                 $value['participant_status_id'] = $value['participant_status'] = array_search('Awaiting approval', $waitingStatuses);
             }
             $this->set('value', $value);
             $this->confirmPostProcess($contactID, NULL, NULL);
             //lets get additional participant id to cancel.
             if ($this->_allowConfirmation && is_array($cancelledIds)) {
                 $additonalId = CRM_Utils_Array::value('participant_id', $value);
                 if ($additonalId && ($key = array_search($additonalId, $cancelledIds))) {
                     unset($cancelledIds[$key]);
                 }
             }
         }
     }
     // update status and send mail to cancelled additional participants, CRM-4320
     if ($this->_allowConfirmation && is_array($cancelledIds) && !empty($cancelledIds)) {
         $cancelledId = array_search('Cancelled', CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'"));
         CRM_Event_BAO_Participant::transitionParticipants($cancelledIds, $cancelledId);
     }
     //set information about additional participants if exists
     if (count($this->_participantInfo)) {
         $this->set('participantInfo', $this->_participantInfo);
     }
     //send mail Confirmation/Receipt
     if ($this->_contributeMode != 'checkout' || $this->_contributeMode != 'notify') {
         $isTest = FALSE;
         if ($this->_action & CRM_Core_Action::PREVIEW) {
             $isTest = TRUE;
         }
         //handle if no additional participant.
         if (!$registerByID) {
             $registerByID = $this->get('registerByID');
//.........这里部分代码省略.........

 /**
  * process the form after the input has been submitted and validated
  *
  * @access public
  *
  * @return None
  */
 public function postProcess()
 {
     $params = $this->exportValues();
     if (isset($params['field'])) {
         foreach ($params['field'] as $key => $value) {
             //check for custom data
             $value['custom'] = CRM_Core_BAO_CustomField::postProcess($value, CRM_Core_DAO::$_nullObject, $key, 'Participant');
             $value['id'] = $key;
             if (CRM_Utils_Array::value('participant_register_date', $value)) {
                 $value['register_date'] = CRM_Utils_Date::processDate($value['participant_register_date'], $value['participant_register_date_time']);
             }
             if (CRM_Utils_Array::value('participant_role', $value)) {
                 $participantRoles = CRM_Event_PseudoConstant::participantRole();
                 if (is_array($value['participant_role'])) {
                     $value['role_id'] = implode(CRM_Core_DAO::VALUE_SEPARATOR, array_keys($value['participant_role']));
                 } else {
                     $value['role_id'] = $value['participant_role'];
                 }
             }
             //need to send mail when status change
             $statusChange = FALSE;
             if (CRM_Utils_Array::value('participant_status', $value)) {
                 $value['status_id'] = $value['participant_status'];
                 $fromStatusId = CRM_Utils_Array::value($key, $this->_fromStatusIds);
                 if (!$fromStatusId) {
                     $fromStatusId = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $key, 'status_id');
                 }
                 if ($fromStatusId != $value['status_id']) {
                     $statusChange = TRUE;
                 }
             }
             if (CRM_Utils_Array::value('participant_source', $value)) {
                 $value['source'] = $value['participant_source'];
             }
             unset($value['participant_register_date']);
             unset($value['participant_status']);
             unset($value['participant_source']);
             CRM_Event_BAO_Participant::create($value);
             //need to trigger mails when we change status
             if ($statusChange) {
                 CRM_Event_BAO_Participant::transitionParticipants(array($key), $value['status_id'], $fromStatusId);
                 //update related contribution status, CRM-4395
                 self::updatePendingOnlineContribution($key, $value['status_id']);
             }
         }
         CRM_Core_Session::setStatus(ts('The updates have been saved.'));
     } else {
         CRM_Core_Session::setStatus(ts('No updates have been saved.'));
     }
 }

 /**
  * Function to process the form
  *
  * @access public
  *
  * @return void
  */
 public function postProcess()
 {
     //get the button.
     $buttonName = $this->controller->getButtonName();
     $participantId = $this->_participantId;
     if ($buttonName == '_qf_ParticipantConfirm_next') {
         //lets get contact id in session.
         $session = CRM_Core_Session::singleton();
         $session->set('userID', $this->_csContactID);
         $this->postProcessHook();
         //check user registration status is from pending class
         $url = CRM_Utils_System::url('civicrm/event/register', "reset=1&id={$this->_eventId}&participantId={$participantId}");
         CRM_Utils_System::redirect($url);
     } elseif ($buttonName == '_qf_ParticipantConfirm_submit') {
         //need to registration status to 'cancelled'.
         $cancelledId = array_search('Cancelled', CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'"));
         $additionalParticipantIds = CRM_Event_BAO_Participant::getAdditionalParticipantIds($participantId);
         $participantIds = array_merge(array($participantId), $additionalParticipantIds);
         $results = CRM_Event_BAO_Participant::transitionParticipants($participantIds, $cancelledId, NULL, TRUE);
         if (count($participantIds) > 1) {
             $statusMessage = ts("%1 Event registration(s) have been cancelled.", array(1 => count($participantIds)));
         } else {
             $statusMessage = ts("Your event registration has been cancelled.");
         }
         if (!empty($results['mailedParticipants'])) {
             foreach ($results['mailedParticipants'] as $key => $displayName) {
                 $statusMessage .= "<br />" . ts("Email has been sent to : %1", array(1 => $displayName));
             }
         }
         $this->postProcessHook();
         CRM_Core_Error::statusBounce($statusMessage, CRM_Utils_System::url('civicrm/event/info', "reset=1&id={$this->_eventId}&noFullMsg=1", FALSE, NULL, FALSE, TRUE));
     }
 }

 public function updateParticipantStatus()
 {
     require_once 'CRM/Event/PseudoConstant.php';
     $participantRole = CRM_Event_PseudoConstant::participantRole();
     $pendingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Pending'");
     $expiredStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'");
     $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Waiting'");
     //build the required status ids.
     $statusIds = '(' . implode(',', array_merge(array_keys($pendingStatuses), array_keys($waitingStatuses))) . ')';
     $participantDetails = $fullEvents = array();
     $expiredParticipantCount = $waitingConfirmCount = $waitingApprovalCount = 0;
     //get all participant who's status in class pending and waiting
     $query = "SELECT * FROM civicrm_participant WHERE status_id IN {$statusIds} ORDER BY register_date";
     $query = "\n   SELECT  participant.id,\n           participant.contact_id,\n           participant.status_id,\n           participant.register_date,\n           participant.registered_by_id,\n           participant.event_id,\n           event.title as eventTitle,\n           event.registration_start_date,\n           event.registration_end_date,\n           event.end_date,\n           event.expiration_time,\n           event.requires_approval\n     FROM  civicrm_participant participant\nLEFT JOIN  civicrm_event event ON ( event.id = participant.event_id )\n    WHERE  participant.status_id IN {$statusIds}\n     AND   (event.end_date > now() OR event.end_date IS NULL)\n     AND   event.is_active = 1 \n ORDER BY  participant.register_date, participant.id \n";
     $dao = CRM_Core_DAO::executeQuery($query);
     while ($dao->fetch()) {
         $participantDetails[$dao->id] = array('id' => $dao->id, 'event_id' => $dao->event_id, 'status_id' => $dao->status_id, 'contact_id' => $dao->contact_id, 'register_date' => $dao->register_date, 'registered_by_id' => $dao->registered_by_id, 'eventTitle' => $dao->eventTitle, 'registration_start_date' => $dao->registration_start_date, 'registration_end_date' => $dao->registration_end_date, 'end_date' => $dao->end_date, 'expiration_time' => $dao->expiration_time, 'requires_approval' => $dao->requires_approval);
     }
     if (!empty($participantDetails)) {
         //cron 1. move participant from pending to expire if needed
         foreach ($participantDetails as $participantId => $values) {
             //process the additional participant at the time of
             //primary participant, don't process separately.
             if (CRM_Utils_Array::value('registered_by_id', $values)) {
                 continue;
             }
             $expirationTime = CRM_Utils_Array::value('expiration_time', $values);
             if ($expirationTime && array_key_exists($values['status_id'], $pendingStatuses)) {
                 //get the expiration and registration pending time.
                 $expirationSeconds = $expirationTime * 3600;
                 $registrationPendingSeconds = CRM_Utils_Date::unixTime($values['register_date']);
                 // expired registration since registration cross allow confirmation time.
                 if ($expirationSeconds + $registrationPendingSeconds < time()) {
                     //lets get the transaction mechanism.
                     require_once 'CRM/Core/Transaction.php';
                     $transaction = new CRM_Core_Transaction();
                     require_once 'CRM/Event/BAO/Participant.php';
                     $ids = array($participantId);
                     $expiredId = array_search('Expired', $expiredStatuses);
                     $results = CRM_Event_BAO_Participant::transitionParticipants($ids, $expiredId, $values['status_id'], TRUE, TRUE);
                     $transaction->commit();
                     if (!empty($results)) {
                         //diaplay updated participants
                         if (is_array($results['updatedParticipantIds']) && !empty($results['updatedParticipantIds'])) {
                             foreach ($results['updatedParticipantIds'] as $processedId) {
                                 $expiredParticipantCount += 1;
                                 echo "<br /><br />- status updated to: Expired";
                                 //mailed participants.
                                 if (is_array($results['mailedParticipants']) && array_key_exists($processedId, $results['mailedParticipants'])) {
                                     echo "<br />Expiration Mail sent to: {$results['mailedParticipants'][$processedId]}";
                                 }
                             }
                         }
                     }
                 }
             }
         }
         //cron 1 end.
         //cron 2. lets move participants from waiting list to pending status
         foreach ($participantDetails as $participantId => $values) {
             //process the additional participant at the time of
             //primary participant, don't process separately.
             if (CRM_Utils_Array::value('registered_by_id', $values)) {
                 continue;
             }
             if (array_key_exists($values['status_id'], $waitingStatuses) && !array_key_exists($values['event_id'], $fullEvents)) {
                 if ($waitingStatuses[$values['status_id']] == 'On waitlist' && CRM_Event_BAO_Event::validRegistrationDate($values)) {
                     //check the target event having space.
                     require_once 'CRM/Event/BAO/Participant.php';
                     $eventOpenSpaces = CRM_Event_BAO_Participant::eventFull($values['event_id'], TRUE, FALSE);
                     if ($eventOpenSpaces && is_numeric($eventOpenSpaces) || $eventOpenSpaces === NULL) {
                         //get the additional participant if any.
                         $additionalIds = CRM_Event_BAO_Participant::getAdditionalParticipantIds($participantId);
                         $allIds = array($participantId);
                         if (!empty($additionalIds)) {
                             $allIds = array_merge($allIds, $additionalIds);
                         }
                         $pClause = ' participant.id IN ( ' . implode(' , ', $allIds) . ' )';
                         $requiredSpaces = CRM_Event_BAO_Event::eventTotalSeats($values['event_id'], $pClause);
                         //need to check as to see if event has enough speces
                         if ($requiredSpaces <= $eventOpenSpaces || $eventOpenSpaces === NULL) {
                             require_once 'CRM/Core/Transaction.php';
                             $transaction = new CRM_Core_Transaction();
                             require_once 'CRM/Event/BAO/Participant.php';
                             $ids = array($participantId);
                             $updateStatusId = array_search('Pending from waitlist', $pendingStatuses);
                             //lets take a call to make pending or need approval
                             if ($values['requires_approval']) {
                                 $updateStatusId = array_search('Awaiting approval', $waitingStatuses);
                             }
                             $results = CRM_Event_BAO_Participant::transitionParticipants($ids, $updateStatusId, $values['status_id'], TRUE, TRUE);
                             //commit the transaction.
                             $transaction->commit();
                             if (!empty($results)) {
                                 //diaplay updated participants
                                 if (is_array($results['updatedParticipantIds']) && !empty($results['updatedParticipantIds'])) {
                                     foreach ($results['updatedParticipantIds'] as $processedId) {
                                         if ($values['requires_approval']) {
                                             $waitingApprovalCount += 1;
                                             echo "<br /><br />- status updated to: Awaiting approval";
//.........这里部分代码省略.........

//.........这里部分代码省略.........
         foreach ($this->_lineItem as $key => $value) {
             if ($value == 'skip') {
                 continue;
             }
             if ($entityId = CRM_Utils_Array::value($key, $allParticipantIds)) {
                 // do cleanup line  items if participant re-walking wizard.
                 if ($this->_allowConfirmation) {
                     CRM_Price_BAO_LineItem::deleteLineItems($entityId, $entityTable);
                 }
                 $lineItem[$this->_priceSetId] = $value;
                 CRM_Price_BAO_LineItem::processPriceSet($entityId, $lineItem, $contribution, $entityTable);
             }
             if ($invoicing) {
                 foreach ($value as $line) {
                     if (isset($line['tax_amount']) && isset($line['tax_rate'])) {
                         $totalTaxAmount = $line['tax_amount'] + $totalTaxAmount;
                         if (isset($dataArray[$line['tax_rate']])) {
                             $dataArray[$line['tax_rate']] = $dataArray[$line['tax_rate']] + CRM_Utils_Array::value('tax_amount', $line);
                         } else {
                             $dataArray[$line['tax_rate']] = CRM_Utils_Array::value('tax_amount', $line);
                         }
                     }
                 }
             }
         }
         if ($invoicing) {
             $this->assign('dataArray', $dataArray);
             $this->assign('totalTaxAmount', $totalTaxAmount);
         }
     }
     //update status and send mail to cancelled additional participants, CRM-4320
     if ($this->_allowConfirmation && is_array($cancelledIds) && !empty($cancelledIds)) {
         $cancelledId = array_search('Cancelled', CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'"));
         CRM_Event_BAO_Participant::transitionParticipants($cancelledIds, $cancelledId);
     }
     $isTest = FALSE;
     if ($this->_action & CRM_Core_Action::PREVIEW) {
         $isTest = TRUE;
     }
     // for Transfer checkout.
     // The concept of contributeMode is deprecated.
     if (($this->_contributeMode == 'checkout' || $this->_contributeMode == 'notify') && empty($params[0]['is_pay_later']) && !$this->_allowWaitlist && !$this->_requireApproval && $this->_totalAmount > 0) {
         $primaryParticipant = $this->get('primaryParticipant');
         if (empty($primaryParticipant['participantID'])) {
             $primaryParticipant['participantID'] = $registerByID;
         }
         //build an array of custom profile and assigning it to template
         $customProfile = CRM_Event_BAO_Event::buildCustomProfile($registerByID, $this->_values, NULL, $isTest);
         if (count($customProfile)) {
             $this->assign('customProfile', $customProfile);
             $this->set('customProfile', $customProfile);
         }
         // do a transfer only if a monetary payment greater than 0
         if ($this->_values['event']['is_monetary'] && $primaryParticipant) {
             if ($payment && is_object($payment)) {
                 //CRM 14512 provide line items of all participants to payment gateway
                 $primaryContactId = $this->get('primaryContactId');
                 //build an array of cId/pId of participants
                 $additionalIDs = CRM_Event_BAO_Event::buildCustomProfile($registerByID, NULL, $primaryContactId, $isTest, TRUE);
                 //need to copy, since we are unsetting on the way.
                 $copyParticipantCountLines = $participantCount;
                 //lets carry all participant params w/ values.
                 foreach ($additionalIDs as $participantID => $contactId) {
                     $participantNum = NULL;
                     $participantNum = $participantID;
                     if ($participantID == $registerByID) {

//.........这里部分代码省略.........
     if (!$registerByID) {
         $registerByID = $this->get('registerByID');
     }
     // create line items, CRM-5313
     if ($this->_priceSetId && !empty($this->_lineItem)) {
         require_once 'CRM/Price/BAO/LineItem.php';
         // take all processed participant ids.
         $allParticipantIds = $this->_participantIDS;
         // when participant re-walk wizard.
         if ($this->_allowConfirmation && !empty($this->_additionalParticipantIds)) {
             $allParticipantIds = array_merge(array($registerByID), $this->_additionalParticipantIds);
         }
         $entityTable = 'civicrm_participant';
         foreach ($this->_lineItem as $key => $value) {
             if ($value != 'skip' && ($entityId = CRM_Utils_Array::value($key, $allParticipantIds))) {
                 // do cleanup line  items if participant re-walking wizard.
                 if ($this->_allowConfirmation) {
                     CRM_Price_BAO_LineItem::deleteLineItems($entityId, $entityTable);
                 }
                 // create line.
                 foreach ($value as $line) {
                     $line['entity_id'] = $entityId;
                     $line['entity_table'] = $entityTable;
                     CRM_Price_BAO_LineItem::create($line);
                 }
             }
         }
     }
     //update status and send mail to cancelled additonal participants, CRM-4320
     if ($this->_allowConfirmation && is_array($cancelledIds) && !empty($cancelledIds)) {
         require_once 'CRM/Event/BAO/Participant.php';
         require_once 'CRM/Event/PseudoConstant.php';
         $cancelledId = array_search('Cancelled', CRM_Event_PseudoConstant::participantStatus(null, "class = 'Negative'"));
         CRM_Event_BAO_Participant::transitionParticipants($cancelledIds, $cancelledId);
     }
     $isTest = false;
     if ($this->_action & CRM_Core_Action::PREVIEW) {
         $isTest = true;
     }
     // for Transfer checkout.
     require_once "CRM/Event/BAO/Event.php";
     if (($this->_contributeMode == 'checkout' || $this->_contributeMode == 'notify') && !CRM_Utils_Array::value('is_pay_later', $params[0]) && !$this->_allowWaitlist && !$this->_requireApproval && $this->_totalAmount > 0) {
         $primaryParticipant = $this->get('primaryParticipant');
         if (!CRM_Utils_Array::value('participantID', $primaryParticipant)) {
             $primaryParticipant['participantID'] = $registerByID;
         }
         //build an array of custom profile and assigning it to template
         $customProfile = CRM_Event_BAO_Event::buildCustomProfile($registerByID, $this->_values, null, $isTest);
         if (count($customProfile)) {
             $this->assign('customProfile', $customProfile);
             $this->set('customProfile', $customProfile);
         }
         // do a transfer only if a monetary payment greater than 0
         if ($this->_values['event']['is_monetary'] && $primaryParticipant && $payment) {
             $payment->doTransferCheckout($primaryParticipant);
         }
     } else {
         //otherwise send mail Confirmation/Receipt
         $primaryContactId = $this->get('primaryContactId');
         //build an array of cId/pId of participants
         require_once "CRM/Event/BAO/Event.php";
         $additionalIDs = CRM_Event_BAO_Event::buildCustomProfile($registerByID, null, $primaryContactId, $isTest, true);
         //lets send  mails to all with meaningful text, CRM-4320.
         $this->assign('isOnWaitlist', $this->_allowWaitlist);
         $this->assign('isRequireApproval', $this->_requireApproval);
         foreach ($additionalIDs as $participantID => $contactId) {

 public function processRegistration($params, $contactID = null)
 {
     $session =& CRM_Core_Session::singleton();
     $contactID = $session->get('userID');
     $this->_participantInfo = array();
     // CRM-4320, lets build array of cancelled additional participant ids
     // those are drop or skip by primary at the time of confirmation.
     // get all in and then unset those are confirmed.
     $cancelledIds = $this->_additionalParticipantIds;
     foreach ($params as $key => $value) {
         if ($value != 'skip') {
             $fields = null;
             // setting register by Id and unset contactId.
             if (!CRM_Utils_Array::value('is_primary', $value)) {
                 $contactID = null;
                 $registerByID = $this->get('registerByID');
                 if ($registerByID) {
                     $value['registered_by_id'] = $registerByID;
                 }
                 if (CRM_Utils_Array::value("email-{$this->_bltID}", $value)) {
                     $this->_participantInfo[] = $value["email-{$this->_bltID}"];
                 } else {
                     $this->_participantInfo[] = $value['first_name'] . ' ' . $value['last_name'];
                 }
             }
             require_once 'CRM/Event/Form/Registration/Confirm.php';
             CRM_Event_Form_Registration_Confirm::fixLocationFields($value, $fields);
             //for free event or additional participant, dont create billing email address.
             if (!CRM_Utils_Array::value('is_primary', $value) || !$this->_values['event']['is_monetary']) {
                 unset($value["email-{$this->_bltID}"]);
             }
             $contactID =& CRM_Event_Form_Registration_Confirm::updateContactFields($contactID, $value, $fields);
             // lets store the contactID in the session
             // we dont store in userID in case the user is doing multiple
             // transactions etc
             // for things like tell a friend
             if (!$session->get('userID') && CRM_Utils_Array::value('is_primary', $value)) {
                 $session->set('transaction.userID', $contactID);
             }
             //lets get the status if require approval or waiting.
             require_once 'CRM/Event/PseudoConstant.php';
             $waitingStatuses = CRM_Event_PseudoConstant::participantStatus(null, "class = 'Waiting'");
             if ($this->_allowWaitlist && !$this->_allowConfirmation) {
                 $value['participant_status_id'] = array_search('On waitlist', $waitingStatuses);
             } else {
                 if ($this->_requireApproval && !$this->_allowConfirmation) {
                     $value['participant_status_id'] = array_search('Awaiting approval', $waitingStatuses);
                 }
             }
             $this->set('value', $value);
             $this->confirmPostProcess($contactID, null, null);
             //lets get additional participant id to cancel.
             if ($this->_allowConfirmation && is_array($cancelledIds)) {
                 $additonalId = CRM_Utils_Array::value('participant_id', $value);
                 if ($additonalId && ($key = array_search($additonalId, $cancelledIds))) {
                     unset($cancelledIds[$key]);
                 }
             }
         }
     }
     // update status and send mail to cancelled additonal participants, CRM-4320
     if ($this->_allowConfirmation && is_array($cancelledIds) && !empty($cancelledIds)) {
         require_once 'CRM/Event/BAO/Participant.php';
         require_once 'CRM/Event/PseudoConstant.php';
         $cancelledId = array_search('Cancelled', CRM_Event_PseudoConstant::participantStatus(null, "class = 'Negative'"));
         CRM_Event_BAO_Participant::transitionParticipants($cancelledIds, $cancelledId);
     }
     //set information about additional participants if exists
     if (count($this->_participantInfo)) {
         $this->set('participantInfo', $this->_participantInfo);
     }
     //send mail Confirmation/Receipt
     require_once "CRM/Event/BAO/Event.php";
     if ($this->_contributeMode != 'checkout' || $this->_contributeMode != 'notify') {
         $isTest = false;
         if ($this->_action & CRM_Core_Action::PREVIEW) {
             $isTest = true;
         }
         //handle if no additional participant.
         if (!$registerByID) {
             $registerByID = $this->get('registerByID');
         }
         $primaryContactId = $this->get('primaryContactId');
         //build an array of custom profile and assigning it to template.
         $additionalIDs = CRM_Event_BAO_Event::buildCustomProfile($registerByID, null, $primaryContactId, $isTest, true);
         //lets send  mails to all with meanigful text, CRM-4320.
         $this->assign('isOnWaitlist', $this->_allowWaitlist);
         $this->assign('isRequireApproval', $this->_requireApproval);
         foreach ($additionalIDs as $participantID => $contactId) {
             if ($participantID == $registerByID) {
                 //set as Primary Participant
                 $this->assign('isPrimary', 1);
                 $customProfile = CRM_Event_BAO_Event::buildCustomProfile($participantID, $this->_values, null, $isTest);
                 if (count($customProfile)) {
                     $this->assign('customProfile', $customProfile);
                     $this->set('customProfile', $customProfile);
                 }
             } else {
                 $this->assign('isPrimary', 0);
                 $this->assign('customProfile', null);
//.........这里部分代码省略.........

 /**
  * process the form after the input has been submitted and validated
  *
  * @access public
  * @return None
  */
 public function postProcess()
 {
     $params = $this->exportValues();
     $dates = array('participant_register_date');
     if (isset($params['field'])) {
         foreach ($params['field'] as $key => $value) {
             foreach ($dates as $d) {
                 if (!CRM_Utils_System::isNull($value[$d])) {
                     $value[$d]['H'] = '00';
                     $value[$d]['i'] = '00';
                     $value[$d]['s'] = '00';
                     $value[$d] = CRM_Utils_Date::format($value[$d]);
                 }
             }
             //check for custom data
             $value['custom'] = CRM_Core_BAO_CustomField::postProcess($value, CRM_Core_DAO::$_nullObject, $key, 'Participant');
             $value['id'] = $key;
             if ($value['participant_register_date']) {
                 $value['register_date'] = $value['participant_register_date'];
             }
             if ($value['participant_role_id']) {
                 $value['role_id'] = $value['participant_role_id'];
             }
             //need to send mail when status change
             $statusChange = false;
             if ($value['participant_status_id']) {
                 $value['status_id'] = $value['participant_status_id'];
                 $fromStatusId = CRM_Utils_Array::value($key, $this->_fromStatusIds);
                 if (!$fromStatusId) {
                     $fromStatusId = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Participant', $key, 'status_id');
                 }
                 if ($fromStatusId != $value['status_id']) {
                     $statusChange = true;
                 }
             }
             if ($value['participant_source']) {
                 $value['source'] = $value['participant_source'];
             }
             unset($value['participant_register_date']);
             unset($value['participant_status_id']);
             unset($value['participant_source']);
             CRM_Event_BAO_Participant::create($value);
             //need to trigger mails when we change status
             if ($statusChange) {
                 CRM_Event_BAO_Participant::transitionParticipants(array($key), $value['status_id'], $fromStatusId);
                 //update related contribution status, CRM-4395
                 self::updatePendingOnlineContribution($key, $value['status_id']);
             }
         }
         CRM_Core_Session::setStatus(ts('The updates have been saved.'));
     } else {
         CRM_Core_Session::setStatus(ts('No updates have been saved.'));
     }
 }