PHP CRM_Event_BAO_Event::retrieve方法代码示例

 /**
  * This function sets the default values for the form. For edit/view mode
  * the default values are retrieved from the database
  *
  * @access public
  *
  * @return void
  */
 function setDefaultValues()
 {
     $parentDefaults = parent::setDefaultValues();
     $eventId = $this->_id;
     $params = array();
     $defaults = array();
     if (isset($eventId)) {
         $params = array('id' => $eventId);
     }
     CRM_Event_BAO_Event::retrieve($params, $defaults);
     $defaults = array_merge($defaults, $parentDefaults);
     $defaults['id'] = $eventId;
     return $defaults;
 }

 /**
  * Function to set variables up before form is built
  *
  * @return void
  * @access public
  */
 function preProcess()
 {
     parent::preProcess();
     $this->_values = $this->get('values');
     if ($this->_id && empty($this->_values)) {
         //get location values.
         $params = array('entity_id' => $this->_id, 'entity_table' => 'civicrm_event');
         $this->_values = CRM_Core_BAO_Location::getValues($params);
         //get event values.
         $params = array('id' => $this->_id);
         CRM_Event_BAO_Event::retrieve($params, $this->_values);
         $this->set('values', $this->_values);
     }
     //location blocks.
     CRM_Contact_Form_Location::preProcess($this);
 }

 /**
  * This function sets the default values for the form. 
  * the default values are retrieved from the database
  * 
  * @access public
  * @return None
  */
 function setDefaultValues()
 {
     $eventId = $this->_id;
     $defaults = parent::setDefaultValues();
     $this->setShowHide($defaults);
     if (isset($eventId)) {
         $params = array('id' => $eventId);
         CRM_Event_BAO_Event::retrieve($params, $defaults);
         require_once 'CRM/Core/BAO/UFJoin.php';
         $ufJoinParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent', 'entity_id' => $eventId);
         list($defaults['custom_pre_id'], $defaults['custom_post_id']) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
         if ($defaults['is_multiple_registrations']) {
             // CRM-4377: set additional participants’ profiles – set to ‘none’ if explicitly unset (non-active)
             $ufJoin = new CRM_Core_DAO_UFJoin();
             $ufJoin->module = 'CiviEvent_Additional';
             $ufJoin->entity_table = 'civicrm_event';
             $ufJoin->entity_id = $eventId;
             $ufJoin->orderBy('weight');
             $ufJoin->find();
             $custom = array(1 => 'additional_custom_pre_id', 2 => 'additional_custom_post_id');
             while ($ufJoin->fetch()) {
                 $defaults[$custom[$ufJoin->weight]] = $ufJoin->is_active ? $ufJoin->uf_group_id : 'none';
             }
         }
     } else {
         $defaults['is_email_confirm'] = 0;
     }
     // provide defaults for required fields if empty (and as a 'hint' for approval message field)
     $defaults['registration_link_text'] = CRM_Utils_Array::value('registration_link_text', $defaults, ts('Register Now'));
     $defaults['confirm_title'] = CRM_Utils_Array::value('confirm_title', $defaults, ts('Confirm Your Registration Information'));
     $defaults['thankyou_title'] = CRM_Utils_Array::value('thankyou_title', $defaults, ts('Thank You for Registering'));
     $defaults['approval_req_text'] = CRM_Utils_Array::value('approval_req_text', $defaults, ts('Participation in this event requires approval. Submit your registration request here. Once approved, you will receive an email with a link to a web page where you can complete the registration process.'));
     if (CRM_Utils_Array::value('registration_start_date', $defaults)) {
         list($defaults['registration_start_date'], $defaults['registration_start_date_time']) = CRM_Utils_Date::setDateDefaults($defaults['registration_start_date'], 'activityDateTime');
     }
     if (CRM_Utils_Array::value('registration_end_date', $defaults)) {
         list($defaults['registration_end_date'], $defaults['registration_end_date_time']) = CRM_Utils_Date::setDateDefaults($defaults['registration_end_date'], 'activityDateTime');
     }
     return $defaults;
 }

 /**
  * Run the page.
  *
  * This method is called after the page is created. It checks for the
  * type of action and executes that action.
  * Finally it calls the parent's run method.
  *
  * @return void
  */
 public function run()
 {
     //get the event id.
     $this->_id = CRM_Utils_Request::retrieve('id', 'Positive', $this, TRUE);
     $config = CRM_Core_Config::singleton();
     // ensure that the user has permission to see this page
     if (!CRM_Core_Permission::event(CRM_Core_Permission::VIEW, $this->_id, 'view event info')) {
         CRM_Utils_System::setUFMessage(ts('You do not have permission to view this event'));
         return CRM_Utils_System::permissionDenied();
     }
     $action = CRM_Utils_Request::retrieve('action', 'String', $this, FALSE);
     $context = CRM_Utils_Request::retrieve('context', 'String', $this, FALSE, 'register');
     $this->assign('context', $context);
     // Sometimes we want to suppress the Event Full msg
     $noFullMsg = CRM_Utils_Request::retrieve('noFullMsg', 'String', $this, FALSE, 'false');
     // set breadcrumb to append to 2nd layer pages
     $breadCrumbPath = CRM_Utils_System::url('civicrm/event/info', "id={$this->_id}&reset=1");
     //retrieve event information
     $params = array('id' => $this->_id);
     CRM_Event_BAO_Event::retrieve($params, $values['event']);
     if (!$values['event']['is_active']) {
         // form is inactive, die a fatal death
         CRM_Utils_System::setUFMessage(ts('The event you requested is currently unavailable (contact the site administrator for assistance).'));
         return CRM_Utils_System::permissionDenied();
     }
     if (!empty($values['event']['is_template'])) {
         // form is an Event Template
         CRM_Core_Error::fatal(ts('The page you requested is currently unavailable.'));
     }
     // Add Event Type to $values in case folks want to display it
     $values['event']['event_type'] = CRM_Utils_Array::value($values['event']['event_type_id'], CRM_Event_PseudoConstant::eventType());
     $this->assign('isShowLocation', CRM_Utils_Array::value('is_show_location', $values['event']));
     // show event fees.
     if ($this->_id && !empty($values['event']['is_monetary'])) {
         //CRM-6907
         $config = CRM_Core_Config::singleton();
         $config->defaultCurrency = CRM_Utils_Array::value('currency', $values['event'], $config->defaultCurrency);
         //CRM-10434
         $discountId = CRM_Core_BAO_Discount::findSet($this->_id, 'civicrm_event');
         if ($discountId) {
             $priceSetId = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_Discount', $discountId, 'price_set_id');
         } else {
             $priceSetId = CRM_Price_BAO_PriceSet::getFor('civicrm_event', $this->_id);
         }
         // get price set options, - CRM-5209
         if ($priceSetId) {
             $setDetails = CRM_Price_BAO_PriceSet::getSetDetail($priceSetId, TRUE, TRUE);
             $priceSetFields = $setDetails[$priceSetId]['fields'];
             if (is_array($priceSetFields)) {
                 $fieldCnt = 1;
                 $visibility = CRM_Core_PseudoConstant::visibility('name');
                 // CRM-14492 Admin price fields should show up on event registration if user has 'administer CiviCRM' permissions
                 $adminFieldVisible = FALSE;
                 if (CRM_Core_Permission::check('administer CiviCRM')) {
                     $adminFieldVisible = TRUE;
                 }
                 foreach ($priceSetFields as $fid => $fieldValues) {
                     if (!is_array($fieldValues['options']) || empty($fieldValues['options']) || CRM_Utils_Array::value('visibility_id', $fieldValues) != array_search('public', $visibility) && $adminFieldVisible == FALSE) {
                         continue;
                     }
                     if (count($fieldValues['options']) > 1) {
                         $values['feeBlock']['value'][$fieldCnt] = '';
                         $values['feeBlock']['label'][$fieldCnt] = $fieldValues['label'];
                         $values['feeBlock']['lClass'][$fieldCnt] = 'price_set_option_group-label';
                         $values['feeBlock']['isDisplayAmount'][$fieldCnt] = CRM_Utils_Array::value('is_display_amounts', $fieldValues);
                         $fieldCnt++;
                         $labelClass = 'price_set_option-label';
                     } else {
                         $labelClass = 'price_set_field-label';
                     }
                     // show tax rate with amount
                     $invoiceSettings = Civi::settings()->get('contribution_invoice_settings');
                     $taxTerm = CRM_Utils_Array::value('tax_term', $invoiceSettings);
                     $displayOpt = CRM_Utils_Array::value('tax_display_settings', $invoiceSettings);
                     $invoicing = CRM_Utils_Array::value('invoicing', $invoiceSettings);
                     foreach ($fieldValues['options'] as $optionId => $optionVal) {
                         $values['feeBlock']['isDisplayAmount'][$fieldCnt] = CRM_Utils_Array::value('is_display_amounts', $fieldValues);
                         if ($invoicing && isset($optionVal['tax_amount'])) {
                             $values['feeBlock']['value'][$fieldCnt] = CRM_Price_BAO_PriceField::getTaxLabel($optionVal, 'amount', $displayOpt, $taxTerm);
                             $values['feeBlock']['tax_amount'][$fieldCnt] = $optionVal['tax_amount'];
                         } else {
                             $values['feeBlock']['value'][$fieldCnt] = $optionVal['amount'];
                         }
                         $values['feeBlock']['label'][$fieldCnt] = $optionVal['label'];
                         $values['feeBlock']['lClass'][$fieldCnt] = $labelClass;
                         $fieldCnt++;
                     }
                 }
             }
             // Tell tpl we have price set fee data and whether it's a quick_config price set
             $this->assign('isPriceSet', 1);
//.........这里部分代码省略.........

 /**
  * This function sets the default values for the form. For edit/view mode
  * the default values are retrieved from the database
  *
  * @access public
  * @return None
  */
 function setDefaultValues()
 {
     $parentDefaults = parent::setDefaultValues();
     $eventId = $this->_id;
     $params = array();
     $defaults = array();
     if (isset($eventId)) {
         $params = array('id' => $eventId);
     }
     CRM_Event_BAO_Event::retrieve($params, $defaults);
     if (isset($eventId)) {
         require_once 'CRM/Price/BAO/Set.php';
         $price_set_id = CRM_Price_BAO_Set::getFor('civicrm_event', $eventId);
         if ($price_set_id) {
             $defaults['price_set_id'] = $price_set_id;
         } else {
             require_once 'CRM/Core/OptionGroup.php';
             CRM_Core_OptionGroup::getAssoc("civicrm_event.amount.{$eventId}", $defaults);
         }
     }
     //check if discounted
     require_once 'CRM/Core/BAO/Discount.php';
     $discountedEvent = CRM_Core_BAO_Discount::getOptionGroup($this->_id, "civicrm_event");
     if (!empty($discountedEvent)) {
         $defaults['is_discount'] = $i = 1;
         $totalLables = $maxSize = $defaultDiscounts = array();
         foreach ($discountedEvent as $optionGroupId) {
             $name = $defaults["discount_name[{$i}]"] = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_OptionGroup', $optionGroupId, 'label');
             $defaults["discount_start_date[{$i}]"] = CRM_Utils_Date::unformat(CRM_Core_DAO::getFieldValue('CRM_Core_DAO_Discount', $optionGroupId, 'start_date', 'option_group_id'));
             $defaults["discount_end_date[{$i}]"] = CRM_Utils_Date::unformat(CRM_Core_DAO::getFieldValue('CRM_Core_DAO_Discount', $optionGroupId, 'end_date', 'option_group_id'));
             CRM_Core_OptionGroup::getAssoc("civicrm_event.amount.{$eventId}.discount.{$name}", $defaultDiscounts[]);
             $i++;
         }
         //avoid moving up value of lable when some labels don't
         //have a value ,fixed for CRM-3088
         foreach ($defaultDiscounts as $key => $val) {
             $totalLables[$key]['label'] = $val['label'];
             $totalLables[$key]['value'] = $val['value'];
             $totalLables[$key]['amount_id'] = $val['amount_id'];
             foreach ($val['weight'] as $v) {
                 //take array of weight for setdefault
                 $discountWeight[$key][] = $v;
             }
             foreach ($val['value'] as $v) {
                 //take array of available value for particular
                 //discount set
                 $discountValue[$key][] = $v;
             }
             //combining the weight with amount array for set default
             $discountDefualt[] = array_combine($discountWeight[$key], $discountValue[$key]);
             foreach ($discountDefualt[$key] as $k => $v) {
                 $defaults["discounted_value"][$k][$key + 1] = $v;
             }
             $maxSize[$key] = sizeof($val['label']);
         }
         $maxKey = CRM_Utils_Array::key(max($maxSize), $maxSize);
         $defaults["discounted_label"] = $totalLables[$maxKey]['label'];
         $this->set('discountSection', 1);
         $this->buildQuickForm();
     } else {
         if (!empty($defaults['label'])) {
             //if Regular Fees are present in DB and event fee page is in update mode
             $defaults["discounted_label"] = $defaults['label'];
         } else {
             if (CRM_Utils_Array::value('label', $this->_submitValues)) {
                 //if event is newly created, use submitted values for
                 //discount labels
                 if (is_array($this->_submitValues['label'])) {
                     $k = 1;
                     foreach ($this->_submitValues['label'] as $value) {
                         if ($value) {
                             $defaults["discounted_label"][$k] = $value;
                             $k++;
                         }
                     }
                 }
             }
         }
     }
     $defaults = array_merge($defaults, $parentDefaults);
     $defaults['id'] = $eventId;
     if (CRM_Utils_Array::value('value', $defaults)) {
         foreach ($defaults['value'] as $i => $v) {
             if ($defaults['amount_id'][$i] == $defaults['default_fee_id']) {
                 $defaults['default'] = $i;
                 break;
             }
         }
     }
     if (!empty($totalLables)) {
         $maxKey = count($totalLables) - 1;
         if (isset($maxKey) && CRM_Utils_Array::value('value', $totalLables[$maxKey])) {
             foreach ($totalLables[$maxKey]['value'] as $i => $v) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                     $logStartDate = $formatedParams['start_date'];
                     if (CRM_Utils_Array::value('log_start_date', $dates)) {
                         $logStartDate = CRM_Utils_Date::customFormat($dates['log_start_date'], $format);
                         $logStartDate = CRM_Utils_Date::isoToMysql($logStartDate);
                     }
                     $membershipLog['start_date'] = $logStartDate;
                     $membershipLog['membership_id'] = $membership->id;
                     $membershipLog['modified_id'] = $membership->contact_id;
                     $membershipLog['modified_date'] = date('Ymd');
                     $membershipLog['membership_type_id'] = $membership->membership_type_id;
                     CRM_Member_BAO_MembershipLog::add($membershipLog, CRM_Core_DAO::$_nullArray);
                     //update related Memberships.
                     CRM_Member_BAO_Membership::updateRelatedMemberships($membership->id, $formatedParams);
                     //update the membership type key of membership relatedObjects array
                     //if it has changed after membership update
                     if ($membershipTypeIdKey != $membership->membership_type_id) {
                         $membershipsUpdate[$membership->membership_type_id] = $membership;
                         $contribution->_relatedObjects['membership'][$membership->membership_type_id] = $membership;
                         unset($contribution->_relatedObjects['membership'][$membershipTypeIdKey]);
                         unset($memberships[$membershipTypeIdKey]);
                     }
                 }
             }
             //update the memberships object with updated membershipTypeId data
             //if membershipTypeId has changed after membership update
             if (!empty($membershipsUpdate)) {
                 $memberships = $memberships + $membershipsUpdate;
             }
         }
     } else {
         // event
         $eventParams = array('id' => $objects['event']->id);
         $values['event'] = array();
         CRM_Event_BAO_Event::retrieve($eventParams, $values['event']);
         //get location details
         $locationParams = array('entity_id' => $objects['event']->id, 'entity_table' => 'civicrm_event');
         $values['location'] = CRM_Core_BAO_Location::getValues($locationParams);
         $ufJoinParams = array('entity_table' => 'civicrm_event', 'entity_id' => $ids['event'], 'module' => 'CiviEvent');
         list($custom_pre_id, $custom_post_ids) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
         $values['custom_pre_id'] = $custom_pre_id;
         $values['custom_post_id'] = $custom_post_ids;
         //for tasks 'Change Participant Status' and 'Batch Update Participants Via Profile' case
         //and cases involving status updation through ipn
         $values['totalAmount'] = $input['amount'];
         $contribution->source = ts('Online Event Registration') . ': ' . $values['event']['title'];
         if ($values['event']['is_email_confirm']) {
             $contribution->receipt_date = self::$_now;
             $values['is_email_receipt'] = 1;
         }
         if (!CRM_Utils_Array::value('skipComponentSync', $input)) {
             $participant->status_id = 1;
         }
         $participant->save();
     }
     if (CRM_Utils_Array::value('net_amount', $input, 0) == 0 && CRM_Utils_Array::value('fee_amount', $input, 0) != 0) {
         $input['net_amount'] = $input['amount'] - $input['fee_amount'];
     }
     // This complete transaction function is being overloaded to create new contributions too.
     // here we record if it is a new contribution.
     // @todo separate the 2 more appropriately.
     $isNewContribution = FALSE;
     if (empty($contribution->id)) {
         $isNewContribution = TRUE;
         if (!empty($input['amount']) && $input['amount'] != $contribution->total_amount) {
             $contribution->total_amount = $input['amount'];
             // The BAO does this stuff but we are actually kinda bypassing it here (bad code! go sit in the corner)

 /**
  * Function takes participant ids and statuses
  * update status from $fromStatusId to $toStatusId
  * and send mail + create activities.
  *
  * @param array $participantIds
  *   Participant ids.
  * @param int $toStatusId
  *   Update status id.
  * @param int $fromStatusId
  *   From status id.
  * @param bool $returnResult
  * @param bool $skipCascadeRule
  *
  * @return array|NULL
  */
 public static function transitionParticipants($participantIds, $toStatusId, $fromStatusId = NULL, $returnResult = FALSE, $skipCascadeRule = FALSE)
 {
     if (!is_array($participantIds) || empty($participantIds) || !$toStatusId) {
         return NULL;
     }
     //thumb rule is if we triggering  primary participant need to triggered additional
     $allParticipantIds = $primaryANDAdditonalIds = array();
     foreach ($participantIds as $id) {
         $allParticipantIds[] = $id;
         if (self::isPrimaryParticipant($id)) {
             //filter additional as per status transition rules, CRM-5403
             if ($skipCascadeRule) {
                 $additionalIds = self::getAdditionalParticipantIds($id);
             } else {
                 $additionalIds = self::getValidAdditionalIds($id, $fromStatusId, $toStatusId);
             }
             if (!empty($additionalIds)) {
                 $allParticipantIds = array_merge($allParticipantIds, $additionalIds);
                 $primaryANDAdditonalIds[$id] = $additionalIds;
             }
         }
     }
     //get the unique participant ids,
     $allParticipantIds = array_unique($allParticipantIds);
     //pull required participants, contacts, events  data, if not in hand
     static $eventDetails = array();
     static $domainValues = array();
     static $contactDetails = array();
     $contactIds = $eventIds = $participantDetails = array();
     $statusTypes = CRM_Event_PseudoConstant::participantStatus();
     $participantRoles = CRM_Event_PseudoConstant::participantRole();
     $pendingStatuses = CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Pending'");
     //first thing is pull all necessory data from db.
     $participantIdClause = '(' . implode(',', $allParticipantIds) . ')';
     //get all participants data.
     $query = "SELECT * FROM civicrm_participant WHERE id IN {$participantIdClause}";
     $dao = CRM_Core_DAO::executeQuery($query);
     while ($dao->fetch()) {
         $participantDetails[$dao->id] = array('id' => $dao->id, 'role' => $participantRoles[$dao->role_id], 'is_test' => $dao->is_test, 'event_id' => $dao->event_id, 'status_id' => $dao->status_id, 'fee_amount' => $dao->fee_amount, 'contact_id' => $dao->contact_id, 'register_date' => $dao->register_date, 'registered_by_id' => $dao->registered_by_id);
         if (!array_key_exists($dao->contact_id, $contactDetails)) {
             $contactIds[$dao->contact_id] = $dao->contact_id;
         }
         if (!array_key_exists($dao->event_id, $eventDetails)) {
             $eventIds[$dao->event_id] = $dao->event_id;
         }
     }
     //get the domain values.
     if (empty($domainValues)) {
         // making all tokens available to templates.
         $domain = CRM_Core_BAO_Domain::getDomain();
         $tokens = array('domain' => array('name', 'phone', 'address', 'email'), 'contact' => CRM_Core_SelectValues::contactTokens());
         foreach ($tokens['domain'] as $token) {
             $domainValues[$token] = CRM_Utils_Token::getDomainTokenReplacement($token, $domain);
         }
     }
     //get all required contacts detail.
     if (!empty($contactIds)) {
         // get the contact details.
         list($currentContactDetails) = CRM_Utils_Token::getTokenDetails($contactIds, NULL, FALSE, FALSE, NULL, array(), 'CRM_Event_BAO_Participant');
         foreach ($currentContactDetails as $contactId => $contactValues) {
             $contactDetails[$contactId] = $contactValues;
         }
     }
     //get all required events detail.
     if (!empty($eventIds)) {
         foreach ($eventIds as $eventId) {
             //retrieve event information
             $eventParams = array('id' => $eventId);
             CRM_Event_BAO_Event::retrieve($eventParams, $eventDetails[$eventId]);
             //get default participant role.
             $eventDetails[$eventId]['participant_role'] = CRM_Utils_Array::value($eventDetails[$eventId]['default_role_id'], $participantRoles);
             //get the location info
             $locParams = array('entity_id' => $eventId, 'entity_table' => 'civicrm_event');
             $eventDetails[$eventId]['location'] = CRM_Core_BAO_Location::getValues($locParams, TRUE);
         }
     }
     //now we are ready w/ all required data.
     //take a decision as per statuses.
     $emailType = NULL;
     $toStatus = $statusTypes[$toStatusId];
     $fromStatus = CRM_Utils_Array::value($fromStatusId, $statusTypes);
     switch ($toStatus) {
         case 'Pending from waitlist':
         case 'Pending from approval':
//.........这里部分代码省略.........

 /**
  * Build the form object.
  *
  * @param CRM_Core_Form $form
  *
  * @return void
  */
 public static function buildQuickForm(&$form)
 {
     if ($form->_eventId) {
         $form->_isPaidEvent = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $form->_eventId, 'is_monetary');
         if ($form->_isPaidEvent) {
             $form->addElement('hidden', 'hidden_feeblock', 1);
         }
         // make sure this is for backoffice registration.
         if ($form->getName() == 'Participant') {
             $eventfullMsg = CRM_Event_BAO_Participant::eventFullMessage($form->_eventId, $form->_pId);
             $form->addElement('hidden', 'hidden_eventFullMsg', $eventfullMsg, array('id' => 'hidden_eventFullMsg'));
         }
     }
     if ($form->_pId) {
         if (CRM_Core_DAO::getFieldValue('CRM_Event_DAO_ParticipantPayment', $form->_pId, 'contribution_id', 'participant_id')) {
             $form->_online = TRUE;
         }
     }
     if ($form->_isPaidEvent) {
         $params = array('id' => $form->_eventId);
         CRM_Event_BAO_Event::retrieve($params, $event);
         //retrieve custom information
         $form->_values = array();
         CRM_Event_Form_Registration::initEventFee($form, $event['id']);
         CRM_Event_Form_Registration_Register::buildAmount($form, TRUE, $form->_discountId);
         $lineItem = array();
         $invoiceSettings = CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::CONTRIBUTE_PREFERENCES_NAME, 'contribution_invoice_settings');
         $invoicing = CRM_Utils_Array::value('invoicing', $invoiceSettings);
         $totalTaxAmount = 0;
         if (!CRM_Utils_System::isNull(CRM_Utils_Array::value('line_items', $form->_values))) {
             $lineItem[] = $form->_values['line_items'];
             foreach ($form->_values['line_items'] as $key => $value) {
                 $totalTaxAmount = $value['tax_amount'] + $totalTaxAmount;
             }
         }
         if ($invoicing) {
             $form->assign('totalTaxAmount', $totalTaxAmount);
         }
         $form->assign('lineItem', empty($lineItem) ? FALSE : $lineItem);
         $discounts = array();
         if (!empty($form->_values['discount'])) {
             foreach ($form->_values['discount'] as $key => $value) {
                 $value = current($value);
                 $discounts[$key] = $value['name'];
             }
             $element = $form->add('select', 'discount_id', ts('Discount Set'), array(0 => ts('- select -')) + $discounts, FALSE, array('class' => "crm-select2"));
             if ($form->_online) {
                 $element->freeze();
             }
         }
         if ($form->_mode) {
             CRM_Core_Payment_Form::buildPaymentForm($form, $form->_paymentProcessor, FALSE);
         } elseif (!$form->_mode) {
             $form->addElement('checkbox', 'record_contribution', ts('Record Payment?'), NULL, array('onclick' => "return showHideByValue('record_contribution','','payment_information','table-row','radio',false);"));
             $form->add('select', 'financial_type_id', ts('Financial Type'), array('' => ts('- select -')) + CRM_Contribute_PseudoConstant::financialType());
             $form->addDate('receive_date', ts('Received'), FALSE, array('formatType' => 'activityDate'));
             $form->add('select', 'payment_instrument_id', ts('Paid By'), array('' => ts('- select -')) + CRM_Contribute_PseudoConstant::paymentInstrument(), FALSE, array('onChange' => "return showHideByValue('payment_instrument_id','4','checkNumber','table-row','select',false);"));
             // don't show transaction id in batch update mode
             $path = CRM_Utils_System::currentPath();
             $form->assign('showTransactionId', FALSE);
             if ($path != 'civicrm/contact/search/basic') {
                 $form->add('text', 'trxn_id', ts('Transaction ID'));
                 $form->addRule('trxn_id', ts('Transaction ID already exists in Database.'), 'objectExists', array('CRM_Contribute_DAO_Contribution', $form->_eventId, 'trxn_id'));
                 $form->assign('showTransactionId', TRUE);
             }
             $status = CRM_Contribute_PseudoConstant::contributionStatus();
             // CRM-14417 suppressing contribution statuses that are NOT relevant to new participant registrations
             $statusName = CRM_Contribute_PseudoConstant::contributionStatus(NULL, 'name');
             foreach (array('Cancelled', 'Failed', 'In Progress', 'Overdue', 'Refunded', 'Pending refund') as $suppress) {
                 unset($status[CRM_Utils_Array::key($suppress, $statusName)]);
             }
             $form->add('select', 'contribution_status_id', ts('Payment Status'), $status);
             $form->add('text', 'check_number', ts('Check Number'), CRM_Core_DAO::getAttribute('CRM_Contribute_DAO_Contribution', 'check_number'));
             $form->add('text', 'total_amount', ts('Amount'), CRM_Core_DAO::getAttribute('CRM_Contribute_DAO_Contribution', 'total_amount'));
         }
     } else {
         $form->add('text', 'amount', ts('Event Fee(s)'));
     }
     $form->assign('onlinePendingContributionId', $form->get('onlinePendingContributionId'));
     $form->assign('paid', $form->_isPaidEvent);
     $form->addElement('checkbox', 'send_receipt', ts('Send Confirmation?'), NULL, array('onclick' => "showHideByValue('send_receipt','','notice','table-row','radio',false); showHideByValue('send_receipt','','from-email','table-row','radio',false);"));
     $form->add('select', 'from_email_address', ts('Receipt From'), $form->_fromEmails['from_email_id']);
     $form->add('textarea', 'receipt_text', ts('Confirmation Message'));
     // Retrieve the name and email of the contact - form will be the TO for receipt email ( only if context is not standalone)
     if ($form->_context != 'standalone') {
         if ($form->_contactId) {
             list($form->_contributorDisplayName, $form->_contributorEmail) = CRM_Contact_BAO_Contact_Location::getEmailDetails($form->_contactId);
             $form->assign('email', $form->_contributorEmail);
         } else {
             //show email block for batch update for event
             $form->assign('batchEmail', TRUE);
         }
     }
//.........这里部分代码省略.........

 /**
  * Cancel this participant and finish, send cancellation email. At this point no
  * auto-cancellation of payment is handled, so payment needs to be manually cancelled
  *
  * return @void
  */
 public function cancelParticipant($params)
 {
     //set participant record status to Cancelled, refund payment if possible
     // send email to participant and admin, and log Activity
     $value = array();
     $value['id'] = $this->_participant_id;
     $cancelledId = array_search('Cancelled', CRM_Event_PseudoConstant::participantStatus(NULL, "class = 'Negative'"));
     $value['status_id'] = $cancelledId;
     CRM_Event_BAO_Participant::create($value);
     $domainValues = array();
     $domain = CRM_Core_BAO_Domain::getDomain();
     $tokens = array('domain' => array('name', 'phone', 'address', 'email'), 'contact' => CRM_Core_SelectValues::contactTokens());
     foreach ($tokens['domain'] as $token) {
         $domainValues[$token] = CRM_Utils_Token::getDomainTokenReplacement($token, $domain);
     }
     $participantRoles = array();
     $participantRoles = CRM_Event_PseudoConstant::participantRole();
     $participantDetails = array();
     $query = "SELECT * FROM civicrm_participant WHERE id = {$this->_participant_id}";
     $dao = CRM_Core_DAO::executeQuery($query);
     while ($dao->fetch()) {
         $participantDetails[$dao->id] = array('id' => $dao->id, 'role' => $participantRoles[$dao->role_id], 'is_test' => $dao->is_test, 'event_id' => $dao->event_id, 'status_id' => $dao->status_id, 'fee_amount' => $dao->fee_amount, 'contact_id' => $dao->contact_id, 'register_date' => $dao->register_date, 'registered_by_id' => $dao->registered_by_id);
     }
     $eventDetails = array();
     $eventParams = array('id' => $this->_event_id);
     CRM_Event_BAO_Event::retrieve($eventParams, $eventDetails[$this->_event_id]);
     //get default participant role.
     $eventDetails[$this->_event_id]['participant_role'] = CRM_Utils_Array::value($eventDetails[$this->_event_id]['default_role_id'], $participantRoles);
     //get the location info
     $locParams = array('entity_id' => $this->_event_id, 'entity_table' => 'civicrm_event');
     $eventDetails[$this->_event_id]['location'] = CRM_Core_BAO_Location::getValues($locParams, TRUE);
     //get contact details
     $contactIds[$this->_contact_id] = $this->_contact_id;
     list($currentContactDetails) = CRM_Utils_Token::getTokenDetails($contactIds, NULL, FALSE, FALSE, NULL, array(), 'CRM_Event_BAO_Participant');
     foreach ($currentContactDetails as $contactId => $contactValues) {
         $contactDetails[$this->_contact_id] = $contactValues;
     }
     //send a 'cancelled' email to user, and cc the event's cc_confirm email
     $mail = CRM_Event_BAO_Participant::sendTransitionParticipantMail($this->_participant_id, $participantDetails[$this->_participant_id], $eventDetails[$this->_event_id], $contactDetails[$this->_contact_id], $domainValues, "Cancelled", "");
     $statusMsg = ts('Event registration information for %1 has been updated.', array(1 => $this->_contact_name));
     $statusMsg .= ' ' . ts('A cancellation email has been sent to %1.', array(1 => $this->_contact_email));
     CRM_Core_Session::setStatus($statusMsg, ts('Saved'), 'success');
     $url = CRM_Utils_System::url('civicrm/event/info', "reset=1&id={$this->_event_id}&noFullMsg=true");
     CRM_Utils_System::redirect($url);
 }

 /**
  * Set default values for the form.
  * the default values are retrieved from the database
  *
  *
  * @return void
  */
 public function setDefaultValues()
 {
     if ($this->_addProfileBottom || $this->_addProfileBottomAdd) {
         return;
     }
     $eventId = $this->_id;
     $defaults = parent::setDefaultValues();
     $this->setShowHide($defaults);
     if (isset($eventId)) {
         $params = array('id' => $eventId);
         CRM_Event_BAO_Event::retrieve($params, $defaults);
         $ufJoinParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent', 'entity_id' => $eventId);
         list($defaults['custom_pre_id'], $defaults['custom_post']) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
         // Get the id for the event registration profile
         $eventRegistrationIdParams = $eventRegistrationIdDefaults = array('name' => 'event_registration');
         CRM_Core_BAO_UFGroup::retrieve($eventRegistrationIdParams, $eventRegistrationIdDefaults);
         // Set event registration as the default profile if none selected
         if (!$defaults['custom_pre_id'] && count($defaults['custom_post']) == 0) {
             $defaults['custom_pre_id'] = CRM_Utils_Array::value('id', $eventRegistrationIdDefaults);
         }
         if (isset($defaults['custom_post']) && is_numeric($defaults['custom_post'])) {
             $defaults['custom_post_id'] = $defaults['custom_post'];
         } elseif (!empty($defaults['custom_post'])) {
             $defaults['custom_post_id'] = $defaults['custom_post'][0];
             unset($defaults['custom_post'][0]);
             $this->_profilePostMultiple = $defaults['custom_post'];
             foreach ($defaults['custom_post'] as $key => $value) {
                 self::buildMultipleProfileBottom($this, $key);
                 $defaults["custom_post_id_multiple[{$key}]"] = $value;
             }
         }
         $this->assign('profilePostMultiple', CRM_Utils_Array::value('custom_post', $defaults));
         if (!empty($defaults['is_multiple_registrations'])) {
             // CRM-4377: set additional participants’ profiles – set to ‘none’ if explicitly unset (non-active)
             $ufJoinAddParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent_Additional', 'entity_id' => $eventId);
             list($defaults['additional_custom_pre_id'], $defaults['additional_custom_post']) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinAddParams);
             if (isset($defaults['additional_custom_post']) && is_numeric($defaults['additional_custom_post'])) {
                 $defaults['additional_custom_post_id'] = $defaults['additional_custom_post'];
             } elseif (!empty($defaults['additional_custom_post'])) {
                 $defaults['additional_custom_post_id'] = $defaults['additional_custom_post'][0];
                 unset($defaults['additional_custom_post'][0]);
                 $this->_profilePostMultipleAdd = $defaults['additional_custom_post'];
                 foreach ($defaults['additional_custom_post'] as $key => $value) {
                     self::buildMultipleProfileBottom($this, $key, 'additional_', ts('Profile for Additional Participants'));
                     $defaults["additional_custom_post_id_multiple[{$key}]"] = $value;
                 }
             }
             $this->assign('profilePostMultipleAdd', CRM_Utils_Array::value('additional_custom_post', $defaults));
         }
     } else {
         $defaults['is_email_confirm'] = 0;
     }
     // provide defaults for required fields if empty (and as a 'hint' for approval message field)
     $defaults['registration_link_text'] = CRM_Utils_Array::value('registration_link_text', $defaults, ts('Register Now'));
     $defaults['confirm_title'] = CRM_Utils_Array::value('confirm_title', $defaults, ts('Confirm Your Registration Information'));
     $defaults['thankyou_title'] = CRM_Utils_Array::value('thankyou_title', $defaults, ts('Thank You for Registering'));
     $defaults['approval_req_text'] = CRM_Utils_Array::value('approval_req_text', $defaults, ts('Participation in this event requires approval. Submit your registration request here. Once approved, you will receive an email with a link to a web page where you can complete the registration process.'));
     if (!empty($defaults['registration_start_date'])) {
         list($defaults['registration_start_date'], $defaults['registration_start_date_time']) = CRM_Utils_Date::setDateDefaults($defaults['registration_start_date'], 'activityDateTime');
     }
     if (!empty($defaults['registration_end_date'])) {
         list($defaults['registration_end_date'], $defaults['registration_end_date_time']) = CRM_Utils_Date::setDateDefaults($defaults['registration_end_date'], 'activityDateTime');
     }
     return $defaults;
 }

 /**
  * Set default values for the form. For edit/view mode
  * the default values are retrieved from the database
  *
  *
  * @return void
  */
 public function setDefaultValues()
 {
     $defaults = array();
     if (isset($this->_id)) {
         $params = array('id' => $this->_id);
         CRM_Event_BAO_Event::retrieve($params, $defaults);
         $this->_campaignID = CRM_Utils_Array::value('campaign_id', $defaults);
     } elseif ($this->_templateId) {
         $params = array('id' => $this->_templateId);
         CRM_Event_BAO_Event::retrieve($params, $defaults);
         $defaults['is_template'] = $this->_isTemplate;
         $defaults['template_id'] = $defaults['id'];
         unset($defaults['id']);
     } else {
         $defaults['is_active'] = 1;
         $defaults['style'] = 'Inline';
     }
     return $defaults;
 }

 /** 
  * Function to build the form 
  * 
  * @return None 
  * @access public 
  */
 static function buildQuickForm(&$form)
 {
     if ($form->_eventId) {
         $form->_isPaidEvent = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $form->_eventId, 'is_monetary');
         if ($form->_isPaidEvent) {
             $form->addElement('hidden', 'hidden_feeblock', 1);
         }
         // make sure this is for backoffice registration.
         if ($form->getName() == 'Participant') {
             require_once "CRM/Event/BAO/Participant.php";
             $eventfullMsg = CRM_Event_BAO_Participant::eventFullMessage($form->_eventId, $form->_pId);
             $form->addElement('hidden', 'hidden_eventFullMsg', $eventfullMsg, array('id' => 'hidden_eventFullMsg'));
         }
     }
     if ($form->_pId) {
         if (CRM_Core_DAO::getFieldValue('CRM_Event_DAO_ParticipantPayment', $form->_pId, 'contribution_id', 'participant_id')) {
             $form->_online = true;
         }
     }
     if ($form->_isPaidEvent) {
         require_once "CRM/Event/BAO/Event.php";
         $params = array('id' => $form->_eventId);
         CRM_Event_BAO_Event::retrieve($params, $event);
         //retrieve custom information
         $form->_values = array();
         require_once "CRM/Event/Form/Registration/Register.php";
         CRM_Event_Form_Registration::initPriceSet($form, $event['id']);
         CRM_Event_Form_Registration_Register::buildAmount($form, true, $form->_discountId);
         $lineItem = array();
         if (!CRM_Utils_System::isNull(CRM_Utils_Array::value('line_items', $form->_values))) {
             $lineItem[] = $form->_values['line_items'];
         }
         $form->assign('lineItem', empty($lineItem) ? false : $lineItem);
         $discounts = array();
         if (!empty($form->_values['discount'])) {
             foreach ($form->_values['discount'] as $key => $value) {
                 $discounts[$key] = $value['name'];
             }
             $element = $form->add('select', 'discount_id', ts('Discount Set'), array(0 => ts('- select -')) + $discounts, false, array('onchange' => "buildFeeBlock( {$form->_eventId}, this.value );"));
             if ($form->_online) {
                 $element->freeze();
             }
         }
         if ($form->_mode) {
             require_once 'CRM/Core/Payment/Form.php';
             CRM_Core_Payment_Form::buildCreditCard($form, true);
         } else {
             if (!$form->_mode) {
                 $form->addElement('checkbox', 'record_contribution', ts('Record Payment?'), null, array('onclick' => "return showHideByValue('record_contribution','','payment_information','table-row','radio',false);"));
                 require_once 'CRM/Contribute/PseudoConstant.php';
                 $form->add('select', 'contribution_type_id', ts('Contribution Type'), array('' => ts('- select -')) + CRM_Contribute_PseudoConstant::contributionType());
                 $form->addDate('receive_date', ts('Received'), false, array('formatType' => 'activityDate'));
                 $form->add('select', 'payment_instrument_id', ts('Paid By'), array('' => ts('- select -')) + CRM_Contribute_PseudoConstant::paymentInstrument(), false, array('onChange' => "return showHideByValue('payment_instrument_id','4','checkNumber','table-row','select',false);"));
                 // don't show transaction id in batch update mode
                 $path = CRM_Utils_System::currentPath();
                 $form->assign('showTransactionId', false);
                 if ($path != 'civicrm/contact/search/basic') {
                     $form->add('text', 'trxn_id', ts('Transaction ID'));
                     $form->addRule('trxn_id', ts('Transaction ID already exists in Database.'), 'objectExists', array('CRM_Contribute_DAO_Contribution', $form->_eventId, 'trxn_id'));
                     $form->assign('showTransactionId', true);
                 }
                 $allowStatuses = array();
                 $statuses = CRM_Contribute_PseudoConstant::contributionStatus();
                 if ($form->get('onlinePendingContributionId')) {
                     $statusNames = CRM_Contribute_PseudoConstant::contributionStatus(null, 'name');
                     foreach ($statusNames as $val => $name) {
                         if (in_array($name, array('In Progress', 'Overdue'))) {
                             continue;
                         }
                         $allowStatuses[$val] = $statuses[$val];
                     }
                 } else {
                     $allowStatuses = $statuses;
                 }
                 $form->add('select', 'contribution_status_id', ts('Payment Status'), $allowStatuses);
                 $form->add('text', 'check_number', ts('Check Number'), CRM_Core_DAO::getAttribute('CRM_Contribute_DAO_Contribution', 'check_number'));
             }
         }
     } else {
         $form->add('text', 'amount', ts('Event Fee(s)'));
     }
     $form->assign('onlinePendingContributionId', $form->get('onlinePendingContributionId'));
     $form->assign("paid", $form->_isPaidEvent);
     $form->addElement('checkbox', 'send_receipt', ts('Send Confirmation?'), null, array('onclick' => "return showHideByValue('send_receipt','','notice','table-row','radio',false);"));
     $form->add('textarea', 'receipt_text', ts('Confirmation Message'));
     // Retrieve the name and email of the contact - form will be the TO for receipt email ( only if context is not standalone)
     if ($form->_context != 'standalone') {
         if ($form->_contactID) {
             list($form->_contributorDisplayName, $form->_contributorEmail) = CRM_Contact_BAO_Contact_Location::getEmailDetails($form->_contactID);
             $form->assign('email', $form->_contributorEmail);
         } else {
             //show email block for batch update for event
             $form->assign('batchEmail', true);
         }
//.........这里部分代码省略.........

 /**
  * Send confirmation of cancellation to source participant
  *
  * return @ void
  */
 public function sendCancellation()
 {
     $domainValues = array();
     $domain = CRM_Core_BAO_Domain::getDomain();
     $tokens = array('domain' => array('name', 'phone', 'address', 'email'), 'contact' => CRM_Core_SelectValues::contactTokens());
     foreach ($tokens['domain'] as $token) {
         $domainValues[$token] = CRM_Utils_Token::getDomainTokenReplacement($token, $domain);
     }
     $participantRoles = array();
     $participantRoles = CRM_Event_PseudoConstant::participantRole();
     $participantDetails = array();
     $query = "SELECT * FROM civicrm_participant WHERE id = {$this->_from_participant_id}";
     $dao = CRM_Core_DAO::executeQuery($query);
     while ($dao->fetch()) {
         $participantDetails[$dao->id] = array('id' => $dao->id, 'role' => $participantRoles[$dao->role_id], 'is_test' => $dao->is_test, 'event_id' => $dao->event_id, 'status_id' => $dao->status_id, 'fee_amount' => $dao->fee_amount, 'contact_id' => $dao->contact_id, 'register_date' => $dao->register_date, 'registered_by_id' => $dao->registered_by_id);
     }
     $eventDetails = array();
     $eventParams = array('id' => $this->_event_id);
     CRM_Event_BAO_Event::retrieve($eventParams, $eventDetails[$this->_event_id]);
     //get default participant role.
     $eventDetails[$this->_event_id]['participant_role'] = CRM_Utils_Array::value($eventDetails[$this->_event_id]['default_role_id'], $participantRoles);
     //get the location info
     $locParams = array('entity_id' => $this->_event_id, 'entity_table' => 'civicrm_event');
     $eventDetails[$this->_event_id]['location'] = CRM_Core_BAO_Location::getValues($locParams, TRUE);
     //get contact details
     $contactIds[$this->_from_contact_id] = $this->_from_contact_id;
     list($currentContactDetails) = CRM_Utils_Token::getTokenDetails($contactIds, NULL, FALSE, FALSE, NULL, array(), 'CRM_Event_BAO_Participant');
     foreach ($currentContactDetails as $contactId => $contactValues) {
         $contactDetails[$this->_from_contact_id] = $contactValues;
     }
     //send a 'cancelled' email to user, and cc the event's cc_confirm email
     $mail = CRM_Event_BAO_Participant::sendTransitionParticipantMail($this->_from_participant_id, $participantDetails[$this->_from_participant_id], $eventDetails[$this->_event_id], $contactDetails[$this->_from_contact_id], $domainValues, "Transferred", "");
     $statusMsg = ts('Event registration information for %1 has been updated.', array(1 => $this->_contact_name));
     $statusMsg .= ' ' . ts('A cancellation email has been sent to %1.', array(1 => $this->_contact_email));
     CRM_Core_Session::setStatus($statusMsg, ts('Thanks'), 'success');
 }

 /** 
  * Function to set variables up before form is built 
  *                                                           
  * @return void 
  * @access public 
  */
 function preProcess()
 {
     $this->_eventId = CRM_Utils_Request::retrieve('id', 'Positive', $this, true);
     $this->_action = CRM_Utils_Request::retrieve('action', 'String', $this, false);
     //CRM-4320
     $this->_participantId = CRM_Utils_Request::retrieve('participantId', 'Positive', $this);
     // current mode
     $this->_mode = $this->_action == 1024 ? 'test' : 'live';
     $this->_values = $this->get('values');
     $this->_fields = $this->get('fields');
     $this->_bltID = $this->get('bltID');
     $this->_paymentProcessor = $this->get('paymentProcessor');
     $this->_priceSetId = $this->get('priceSetId');
     $this->_priceSet = $this->get('priceSet');
     //check if participant allow to walk registration wizard.
     $this->_allowConfirmation = $this->get('allowConfirmation');
     // check for Approval
     $this->_requireApproval = $this->get('requireApproval');
     // check for waitlisting.
     $this->_allowWaitlist = $this->get('allowWaitlist');
     //get the additional participant ids.
     $this->_additionalParticipantIds = $this->get('additionalParticipantIds');
     $config =& CRM_Core_Config::singleton();
     if (!$this->_values) {
         // create redirect URL to send folks back to event info page is registration not available
         $infoUrl = CRM_Utils_System::url('civicrm/event/info', "reset=1&id={$this->_eventId}", false, null, false, true);
         // this is the first time we are hitting this, so check for permissions here
         if (!CRM_Core_Permission::event(CRM_Core_Permission::EDIT, $this->_eventId)) {
             CRM_Core_Error::statusBounce(ts('You do not have permission to register for this event'), $infoUrl);
         }
         // get all the values from the dao object
         $this->_values = array();
         $this->_fields = array();
         // get the participant values, CRM-4320
         $this->_allowConfirmation = false;
         if ($this->_participantId) {
             require_once 'CRM/Event/BAO/Event.php';
             $ids = $participantValues = array();
             $participantParams = array('id' => $this->_participantId);
             require_once 'CRM/Event/BAO/Participant.php';
             CRM_Event_BAO_Participant::getValues($participantParams, $participantValues, $ids);
             $this->_values['participant'] = $participantValues[$this->_participantId];
             //allow pending status class walk registration wizard.
             require_once 'CRM/Core/PseudoConstant.php';
             if (array_key_exists($participantValues[$this->_participantId]['status_id'], CRM_Event_PseudoConstant::participantStatus(null, "class = 'Pending'"))) {
                 $this->_allowConfirmation = true;
                 $this->set('allowConfirmation', true);
             }
         }
         //retrieve event information
         require_once 'CRM/Event/BAO/Event.php';
         $params = array('id' => $this->_eventId);
         CRM_Event_BAO_Event::retrieve($params, $this->_values['event']);
         require_once 'CRM/Event/BAO/Participant.php';
         //check for additional participants.
         if ($this->_allowConfirmation && $this->_values['event']['is_multiple_registrations']) {
             $this->_additionalParticipantIds = CRM_Event_BAO_Participant::getAdditionalParticipantIds($this->_participantId);
             $this->set('additionalParticipantIds', $this->_additionalParticipantIds);
         }
         $eventFull = CRM_Event_BAO_Participant::eventFull($this->_eventId);
         $this->_allowWaitlist = false;
         if ($eventFull && !$this->_allowConfirmation) {
             //lets redirecting to info only when to waiting list.
             $this->_allowWaitlist = CRM_Utils_Array::value('has_waitlist', $this->_values['event']);
             if (!$this->_allowWaitlist) {
                 CRM_Utils_System::redirect($infoUrl);
             }
         }
         $this->set('allowWaitlist', $this->_allowWaitlist);
         //check for require requires approval.
         $this->_requireApproval = false;
         if (CRM_Utils_Array::value('requires_approval', $this->_values['event']) && !$this->_allowConfirmation) {
             $this->_requireApproval = true;
         }
         $this->set('requireApproval', $this->_requireApproval);
         // also get the accounting code
         if (CRM_Utils_Array::value('contribution_type_id', $this->_values['event'])) {
             $this->_values['event']['accountingCode'] = CRM_Core_DAO::getFieldValue('CRM_Contribute_DAO_ContributionType', $this->_values['event']['contribution_type_id'], 'accounting_code');
         }
         if (isset($this->_values['event']['default_role_id'])) {
             require_once 'CRM/Core/OptionGroup.php';
             $participant_role = CRM_Core_OptionGroup::values('participant_role');
             $this->_values['event']['participant_role'] = $participant_role["{$this->_values['event']['default_role_id']}"];
         }
         // is the event active (enabled)?
         if (!$this->_values['event']['is_active']) {
             // form is inactive, die a fatal death
             CRM_Core_Error::statusBounce(ts('The event you requested is currently unavailable (contact the site administrator for assistance).'));
         }
         // is online registration is enabled?
         if (!$this->_values['event']['is_online_registration']) {
             CRM_Core_Error::statusBounce(ts('Online registration is not currently available for this event (contact the site administrator for assistance).'), $infoUrl);
         }
         // is this an event template ?
//.........这里部分代码省略.........

 /**
  * @param null $event_cart
  */
 public function load_associations($event_cart = NULL)
 {
     if ($this->assocations_loaded) {
         return;
     }
     $this->assocations_loaded = TRUE;
     $params = array('id' => $this->event_id);
     $defaults = array();
     $this->event = CRM_Event_BAO_Event::retrieve($params, $defaults);
     if ($event_cart != NULL) {
         $this->event_cart = $event_cart;
         $this->event_cart_id = $event_cart->id;
     } else {
         $this->event_cart = CRM_Event_Cart_BAO_Cart::find_by_id($this->event_cart_id);
     }
     $participants = CRM_Event_Cart_BAO_MerParticipant::find_all_by_event_and_cart_id($this->event_id, $this->event_cart->id);
     foreach ($participants as $participant) {
         $participant->load_associations();
         $this->add_participant($participant);
     }
 }