PHP CRM_Core_Payment::paypalRedirect方法代码示例

 /**
  * @param CRM_Core_Form $form
  * @param null $type
  * @param null $mode
  *
  * @throws Exception
  */
 public static function preProcess(&$form, $type = NULL, $mode = NULL)
 {
     if ($type) {
         $form->_type = $type;
     } else {
         $form->_type = CRM_Utils_Request::retrieve('type', 'String', $form);
     }
     if ($form->_type) {
         $form->_paymentProcessor = CRM_Financial_BAO_PaymentProcessor::getPayment($form->_type, $form->_mode);
     }
     $form->set('paymentProcessor', $form->_paymentProcessor);
     // also set cancel subscription url
     if (!empty($form->_paymentProcessor['is_recur']) && !empty($form->_values['is_recur'])) {
         $form->_paymentObject = CRM_Core_Payment::singleton($mode, $form->_paymentProcessor, $form);
         $form->_values['cancelSubscriptionUrl'] = $form->_paymentObject->subscriptionURL();
     }
     //checks after setting $form->_paymentProcessor
     // we do this outside of the above conditional to avoid
     // saving the country/state list in the session (which could be huge)
     CRM_Core_Payment_Form::setPaymentFieldsByProcessor($form, $form->_paymentProcessor);
     $form->assign_by_ref('paymentProcessor', $form->_paymentProcessor);
     // check if this is a paypal auto return and redirect accordingly
     //@todo - determine if this is legacy and remove
     if (CRM_Core_Payment::paypalRedirect($form->_paymentProcessor)) {
         $url = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_ThankYou_display=1&qfKey={$form->controller->_key}");
         CRM_Utils_System::redirect($url);
     }
     // make sure we have a valid payment class, else abort
     if (!empty($form->_values['is_monetary']) && !$form->_paymentProcessor['class_name'] && empty($form->_values['is_pay_later'])) {
         CRM_Core_Error::fatal(ts('Payment processor is not set for this page'));
     }
     if (!empty($form->_membershipBlock) && !empty($form->_membershipBlock['is_separate_payment']) && (!empty($form->_paymentProcessor['class_name']) && !(CRM_Utils_Array::value('billing_mode', $form->_paymentProcessor) & CRM_Core_Payment::BILLING_MODE_FORM))) {
         CRM_Core_Error::fatal(ts('This contribution page is configured to support separate contribution and membership payments. This %1 plugin does not currently support multiple simultaneous payments, or the option to "Execute real-time monetary transactions" is disabled. Please contact the site administrator and notify them of this error', array(1 => $form->_paymentProcessor['payment_processor_type'])));
     }
 }

 /**
  * @param CRM_Contribute_Form_Contribution_Main|CRM_Event_Form_Registration_Register|CRM_Financial_Form_Payment $form
  * @param null $type
  * @param null $mode
  *
  * @throws Exception
  */
 public static function preProcess(&$form, $type = NULL, $mode = NULL)
 {
     if ($type) {
         $form->_type = $type;
     } else {
         $form->_type = CRM_Utils_Request::retrieve('type', 'String', $form);
     }
     if ($form->_type) {
         $form->_paymentProcessor = CRM_Financial_BAO_PaymentProcessor::getPayment($form->_type, $form->_mode);
     }
     if (empty($form->_paymentProcessor)) {
         // This would happen when hitting the back-button on a multi-page form with a $0 selection in play.
         return;
     }
     $form->set('paymentProcessor', $form->_paymentProcessor);
     $form->_paymentObject = System::singleton()->getByProcessor($form->_paymentProcessor);
     $form->assign('suppressSubmitButton', $form->_paymentObject->isSuppressSubmitButtons());
     $form->assign('currency', CRM_Utils_Array::value('currency', $form->_values));
     // also set cancel subscription url
     if (!empty($form->_paymentProcessor['is_recur']) && !empty($form->_values['is_recur'])) {
         $form->_values['cancelSubscriptionUrl'] = $form->_paymentObject->subscriptionURL(NULL, NULL, 'cancel');
     }
     if (!empty($form->_values['custom_pre_id'])) {
         $profileAddressFields = array();
         $fields = CRM_Core_BAO_UFGroup::getFields($form->_values['custom_pre_id'], FALSE, CRM_Core_Action::ADD, NULL, NULL, FALSE, NULL, FALSE, NULL, CRM_Core_Permission::CREATE, NULL);
         foreach ((array) $fields as $key => $value) {
             CRM_Core_BAO_UFField::assignAddressField($key, $profileAddressFields, array('uf_group_id' => $form->_values['custom_pre_id']));
         }
         if (count($profileAddressFields)) {
             $form->set('profileAddressFields', $profileAddressFields);
         }
     }
     //checks after setting $form->_paymentProcessor
     // we do this outside of the above conditional to avoid
     // saving the country/state list in the session (which could be huge)
     CRM_Core_Payment_Form::setPaymentFieldsByProcessor($form, $form->_paymentProcessor, CRM_Utils_Request::retrieve('billing_profile_id', 'String'));
     $form->assign_by_ref('paymentProcessor', $form->_paymentProcessor);
     // check if this is a paypal auto return and redirect accordingly
     //@todo - determine if this is legacy and remove
     if (CRM_Core_Payment::paypalRedirect($form->_paymentProcessor)) {
         $url = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_ThankYou_display=1&qfKey={$form->controller->_key}");
         CRM_Utils_System::redirect($url);
     }
     // make sure we have a valid payment class, else abort
     if (!empty($form->_values['is_monetary']) && !$form->_paymentProcessor['class_name'] && empty($form->_values['is_pay_later'])) {
         CRM_Core_Error::fatal(ts('Payment processor is not set for this page'));
     }
     if (!empty($form->_membershipBlock) && !empty($form->_membershipBlock['is_separate_payment']) && (!empty($form->_paymentProcessor['class_name']) && !$form->_paymentObject->supports('MultipleConcurrentPayments'))) {
         CRM_Core_Error::fatal(ts('This contribution page is configured to support separate contribution and membership payments. This %1 plugin does not currently support multiple simultaneous payments, or the option to "Execute real-time monetary transactions" is disabled. Please contact the site administrator and notify them of this error', array(1 => $form->_paymentProcessor['payment_processor_type'])));
     }
 }

//.........这里部分代码省略.........
         $this->set('requireApproval', $this->_requireApproval);
         if (isset($this->_values['event']['default_role_id'])) {
             $participant_role = CRM_Core_OptionGroup::values('participant_role');
             $this->_values['event']['participant_role'] = $participant_role["{$this->_values['event']['default_role_id']}"];
         }
         $isPayLater = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event', $this->_eventId, 'is_pay_later');
         //check for various combinations for paylater, payment
         //process with paid event.
         if ($isMonetary && (!$isPayLater || !empty($this->_values['event']['payment_processor']))) {
             $this->_paymentProcessorIDs = explode(CRM_Core_DAO::VALUE_SEPARATOR, CRM_Utils_Array::value('payment_processor', $this->_values['event']));
             $this->assignPaymentProcessor($isPayLater);
         }
         //init event fee.
         self::initEventFee($this, $this->_eventId);
         // get the profile ids
         $ufJoinParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent', 'entity_id' => $this->_eventId);
         list($this->_values['custom_pre_id'], $this->_values['custom_post_id']) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
         // set profiles for additional participants
         if ($this->_values['event']['is_multiple_registrations']) {
             // CRM-4377: CiviEvent for the main participant, CiviEvent_Additional for additional participants
             $ufJoinParams['module'] = 'CiviEvent_Additional';
             list($this->_values['additional_custom_pre_id'], $this->_values['additional_custom_post_id'], $preActive, $postActive) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
             // CRM-4377: we need to maintain backward compatibility, hence if there is profile for main contact
             // set same profile for additional contacts.
             if ($this->_values['custom_pre_id'] && !$this->_values['additional_custom_pre_id']) {
                 $this->_values['additional_custom_pre_id'] = $this->_values['custom_pre_id'];
             }
             if ($this->_values['custom_post_id'] && !$this->_values['additional_custom_post_id']) {
                 $this->_values['additional_custom_post_id'] = $this->_values['custom_post_id'];
             }
             // now check for no profile condition, in that case is_active = 0
             if (isset($preActive) && !$preActive) {
                 unset($this->_values['additional_custom_pre_id']);
             }
             if (isset($postActive) && !$postActive) {
                 unset($this->_values['additional_custom_post_id']);
             }
         }
         $this->assignBillingType();
         if ($this->_values['event']['is_monetary']) {
             CRM_Core_Payment_Form::setPaymentFieldsByProcessor($this, $this->_paymentProcessor);
         }
         $params = array('entity_id' => $this->_eventId, 'entity_table' => 'civicrm_event');
         $this->_values['location'] = CRM_Core_BAO_Location::getValues($params, TRUE);
         $this->set('values', $this->_values);
         $this->set('fields', $this->_fields);
         $this->_availableRegistrations = CRM_Event_BAO_Participant::eventFull($this->_values['event']['id'], TRUE, CRM_Utils_Array::value('has_waitlist', $this->_values['event']));
         $this->set('availableRegistrations', $this->_availableRegistrations);
     }
     $this->assign_by_ref('paymentProcessor', $this->_paymentProcessor);
     // check if this is a paypal auto return and redirect accordingly
     if (CRM_Core_Payment::paypalRedirect($this->_paymentProcessor)) {
         $url = CRM_Utils_System::url('civicrm/event/register', "_qf_ThankYou_display=1&qfKey={$this->controller->_key}");
         CRM_Utils_System::redirect($url);
     }
     // The concept of contributeMode is deprecated.
     $this->_contributeMode = $this->get('contributeMode');
     $this->assign('contributeMode', $this->_contributeMode);
     // setting CMS page title
     CRM_Utils_System::setTitle($this->_values['event']['title']);
     $this->assign('title', $this->_values['event']['title']);
     $this->assign('paidEvent', $this->_values['event']['is_monetary']);
     // we do not want to display recently viewed items on Registration pages
     $this->assign('displayRecent', FALSE);
     // Registration page values are cleared from session, so can't use normal Printer Friendly view.
     // Use Browser Print instead.
     $this->assign('browserPrint', TRUE);
     $isShowLocation = CRM_Utils_Array::value('is_show_location', $this->_values['event']);
     $this->assign('isShowLocation', $isShowLocation);
     // Handle PCP
     $pcpId = CRM_Utils_Request::retrieve('pcpId', 'Positive', $this);
     if ($pcpId) {
         $pcp = CRM_PCP_BAO_PCP::handlePcp($pcpId, 'event', $this->_values['event']);
         $this->_pcpId = $pcp['pcpId'];
         $this->_values['event']['intro_text'] = CRM_Utils_Array::value('intro_text', $pcp['pcpInfo']);
     }
     // assign all event properties so wizard templates can display event info.
     $this->assign('event', $this->_values['event']);
     $this->assign('location', $this->_values['location']);
     $this->assign('bltID', $this->_bltID);
     $isShowLocation = CRM_Utils_Array::value('is_show_location', $this->_values['event']);
     $this->assign('isShowLocation', $isShowLocation);
     //CRM-6907
     $config->defaultCurrency = CRM_Utils_Array::value('currency', $this->_values['event'], $config->defaultCurrency);
     //lets allow user to override campaign.
     $campID = CRM_Utils_Request::retrieve('campID', 'Positive', $this);
     if ($campID && CRM_Core_DAO::getFieldValue('CRM_Campaign_DAO_Campaign', $campID)) {
         $this->_values['event']['campaign_id'] = $campID;
     }
     // Set the same value for is_billing_required as contribution page so code can be shared.
     $this->_values['is_billing_required'] = CRM_Utils_Array::value('is_billing_required', $this->_values['event']);
     // check if billing block is required for pay later
     // note that I have started removing the use of isBillingAddressRequiredForPayLater in favour of letting
     // the CRM_Core_Payment_Manual class handle it - but there are ~300 references to it in the code base so only
     // removing in very limited cases.
     if (CRM_Utils_Array::value('is_pay_later', $this->_values['event'])) {
         $this->_isBillingAddressRequiredForPayLater = CRM_Utils_Array::value('is_billing_required', $this->_values['event']);
         $this->assign('isBillingAddressRequiredForPayLater', $this->_isBillingAddressRequiredForPayLater);
     }
 }

//.........这里部分代码省略.........
                     foreach ($this->_paymentProcessors as $eachPaymentProcessor) {
                         // check selected payment processor is active
                         if (!$eachPaymentProcessor) {
                             CRM_Core_Error::fatal(ts('The site administrator must set a Payment Processor for this event in order to use online registration.'));
                         }
                         // ensure that processor has a valid config
                         $payment = CRM_Core_Payment::singleton($this->_mode, $eachPaymentProcessor, $this);
                         $error = $payment->checkConfig();
                         if (!empty($error)) {
                             CRM_Core_Error::fatal($error);
                         }
                     }
                 }
             }
         }
         //init event fee.
         self::initEventFee($this, $this->_eventId);
         // get the profile ids
         $ufJoinParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent', 'entity_id' => $this->_eventId);
         list($this->_values['custom_pre_id'], $this->_values['custom_post_id']) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
         // set profiles for additional participants
         if ($this->_values['event']['is_multiple_registrations']) {
             // CRM-4377: CiviEvent for the main participant, CiviEvent_Additional for additional participants
             $ufJoinParams['module'] = 'CiviEvent_Additional';
             list($this->_values['additional_custom_pre_id'], $this->_values['additional_custom_post_id'], $preActive, $postActive) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
             // CRM-4377: we need to maintain backward compatibility, hence if there is profile for main contact
             // set same profile for additional contacts.
             if ($this->_values['custom_pre_id'] && !$this->_values['additional_custom_pre_id']) {
                 $this->_values['additional_custom_pre_id'] = $this->_values['custom_pre_id'];
             }
             if ($this->_values['custom_post_id'] && !$this->_values['additional_custom_post_id']) {
                 $this->_values['additional_custom_post_id'] = $this->_values['custom_post_id'];
             }
             // now check for no profile condition, in that case is_active = 0
             if (isset($preActive) && !$preActive) {
                 unset($this->_values['additional_custom_pre_id']);
             }
             if (isset($postActive) && !$postActive) {
                 unset($this->_values['additional_custom_post_id']);
             }
         }
         // get the billing location type
         $locationTypes = CRM_Core_PseudoConstant::get('CRM_Core_DAO_Address', 'location_type_id', array(), 'validate');
         // CRM-8108 remove ts from Billing as the location type can not be translated in CiviCRM!
         //$this->_bltID = array_search( ts('Billing'),  $locationTypes );
         $this->_bltID = array_search('Billing', $locationTypes);
         if (!$this->_bltID) {
             CRM_Core_Error::fatal(ts('Please set a location type of %1', array(1 => 'Billing')));
         }
         $this->set('bltID', $this->_bltID);
         if ($this->_values['event']['is_monetary'] && $this->_paymentProcessor['billing_mode'] & CRM_Core_Payment::BILLING_MODE_FORM) {
             CRM_Core_Payment_Form::setCreditCardFields($this);
         }
         $params = array('entity_id' => $this->_eventId, 'entity_table' => 'civicrm_event');
         $this->_values['location'] = CRM_Core_BAO_Location::getValues($params, TRUE);
         $this->set('values', $this->_values);
         $this->set('fields', $this->_fields);
         $this->_availableRegistrations = CRM_Event_BAO_Participant::eventFull($this->_values['event']['id'], TRUE, CRM_Utils_Array::value('has_waitlist', $this->_values['event']));
         $this->set('availableRegistrations', $this->_availableRegistrations);
     }
     $this->assign_by_ref('paymentProcessor', $this->_paymentProcessor);
     // check if this is a paypal auto return and redirect accordingly
     if (CRM_Core_Payment::paypalRedirect($this->_paymentProcessor)) {
         $url = CRM_Utils_System::url('civicrm/event/register', "_qf_ThankYou_display=1&qfKey={$this->controller->_key}");
         CRM_Utils_System::redirect($url);
     }
     $this->_contributeMode = $this->get('contributeMode');
     $this->assign('contributeMode', $this->_contributeMode);
     // setting CMS page title
     CRM_Utils_System::setTitle($this->_values['event']['title']);
     $this->assign('title', $this->_values['event']['title']);
     $this->assign('paidEvent', $this->_values['event']['is_monetary']);
     // we do not want to display recently viewed items on Registration pages
     $this->assign('displayRecent', FALSE);
     // Registration page values are cleared from session, so can't use normal Printer Friendly view.
     // Use Browser Print instead.
     $this->assign('browserPrint', TRUE);
     $isShowLocation = CRM_Utils_Array::value('is_show_location', $this->_values['event']);
     $this->assign('isShowLocation', $isShowLocation);
     // Handle PCP
     $pcpId = CRM_Utils_Request::retrieve('pcpId', 'Positive', $this);
     if ($pcpId) {
         $pcp = CRM_PCP_BAO_PCP::handlePcp($pcpId, 'event', $this->_values['event']);
         $this->_pcpId = $pcp['pcpId'];
         $this->_values['event']['intro_text'] = CRM_Utils_Array::value('intro_text', $pcp['pcpInfo']);
     }
     // assign all event properties so wizard templates can display event info.
     $this->assign('event', $this->_values['event']);
     $this->assign('location', $this->_values['location']);
     $this->assign('bltID', $this->_bltID);
     $isShowLocation = CRM_Utils_Array::value('is_show_location', $this->_values['event']);
     $this->assign('isShowLocation', $isShowLocation);
     //CRM-6907
     $config->defaultCurrency = CRM_Utils_Array::value('currency', $this->_values['event'], $config->defaultCurrency);
     //lets allow user to override campaign.
     $campID = CRM_Utils_Request::retrieve('campID', 'Positive', $this);
     if ($campID && CRM_Core_DAO::getFieldValue('CRM_Campaign_DAO_Campaign', $campID)) {
         $this->_values['event']['campaign_id'] = $campID;
     }
 }

//.........这里部分代码省略.........
                 if (!CRM_Utils_Array::value('is_active', $pcpBlock)) {
                     $statusMessage = ts('Personal Campaign Pages are currently not enabled for this contribution page. However you can still support the campaign by making a contribution here.');
                     CRM_Core_Error::statusBounce($statusMessage, CRM_Utils_System::url('civicrm/contribute/transact', "reset=1&id={$pcpInfo['contribution_page_id']}", false, null, false, true));
                 } else {
                     if (!CRM_Utils_Array::value('is_active', $pcpInfo)) {
                         $statusMessage = ts('The Personal Campaign Page you have just visited is current inactive. However you can still make a contribution here.');
                         CRM_Core_Error::statusBounce($statusMessage, CRM_Utils_System::url('civicrm/contribute/transact', "reset=1&id={$pcpInfo['contribution_page_id']}", false, null, false, true));
                     } else {
                         if ($startDate && $startDate > $now || $endDate && $endDate < $now) {
                             $customStartDate = CRM_Utils_Date::customFormat(CRM_Utils_Array::value('start_date', $this->_values));
                             $customEndDate = CRM_Utils_Date::customFormat(CRM_Utils_Array::value('end_date', $this->_values));
                             if ($startDate && $endDate) {
                                 $statusMessage = ts('The Personal Campaign Page you have just visited is only active between %1 to %2. However you can still support the campaign by making a contribution here.', array(1 => $customStartDate, 2 => $customEndDate));
                                 CRM_Core_Error::statusBounce($statusMessage, CRM_Utils_System::url('civicrm/contribute/transact', "reset=1&id={$pcpInfo['contribution_page_id']}", false, null, false, true));
                             } else {
                                 if ($startDate) {
                                     $statusMessage = ts('The Personal Campaign Page you have just visited will be active beginning on %1. However you can still support the campaign by making a contribution here.', array(1 => $customStartDate));
                                     CRM_Core_Error::statusBounce($statusMessage, CRM_Utils_System::url('civicrm/contribute/transact', "reset=1&id={$pcpInfo['contribution_page_id']}", false, null, false, true));
                                 } else {
                                     if ($endDate) {
                                         $statusMessage = ts('The Personal Campaign Page you have just visited is not longer active (as of %1). However you can still support the campaign by making a contribution here.', array(1 => $customEndDate));
                                         CRM_Core_Error::statusBounce($statusMessage, CRM_Utils_System::url('civicrm/contribute/transact', "reset=1&id={$pcpInfo['contribution_page_id']}", false, null, false, true));
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
         $this->_pcpId = $pcpId;
         $this->_pcpBlock = $pcpBlock;
         $this->_pcpInfo = $pcpInfo;
     }
     // Link (button) for users to create their own Personal Campaign page
     if ($linkText = CRM_Contribute_BAO_PCP::getPcpBlockStatus($this->_id)) {
         $linkTextUrl = CRM_Utils_System::url('civicrm/contribute/campaign', "action=add&reset=1&pageId={$this->_id}", false, null, true);
         $this->assign('linkTextUrl', $linkTextUrl);
         $this->assign('linkText', $linkText);
     }
     //set pledge block if block id is set
     if (CRM_Utils_Array::value('pledge_block_id', $this->_values)) {
         $this->assign('pledgeBlock', true);
     }
     // we do this outside of the above conditional to avoid
     // saving the country/state list in the session (which could be huge)
     if ($this->_paymentProcessor['billing_mode'] & CRM_Core_Payment::BILLING_MODE_FORM && CRM_Utils_Array::value('is_monetary', $this->_values)) {
         require_once 'CRM/Core/Payment/Form.php';
         require_once 'CRM/Core/Payment.php';
         // payment fields are depending on payment type
         if ($this->_paymentProcessor['payment_type'] & CRM_Core_Payment::PAYMENT_TYPE_DIRECT_DEBIT) {
             CRM_Core_Payment_Form::setDirectDebitFields($this);
         } else {
             CRM_Core_Payment_Form::setCreditCardFields($this);
         }
     }
     $this->assign_by_ref('paymentProcessor', $this->_paymentProcessor);
     // check if this is a paypal auto return and redirect accordingly
     if (CRM_Core_Payment::paypalRedirect($this->_paymentProcessor)) {
         $url = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_ThankYou_display=1&qfKey={$this->controller->_key}");
         CRM_Utils_System::redirect($url);
     }
     // make sure we have a valid payment class, else abort
     if (CRM_Utils_Array::value('is_monetary', $this->_values) && !$this->_paymentProcessor['class_name'] && !CRM_Utils_Array::value('is_pay_later', $this->_values)) {
         CRM_Core_Error::fatal(ts('Payment processor is not set for this page'));
     }
     // check if one of the (amount , membership)  bloks is active or not
     require_once 'CRM/Member/BAO/Membership.php';
     $this->_membershipBlock = $this->get('membershipBlock');
     if (!$this->_values['amount_block_is_active'] && !$this->_membershipBlock['is_active'] && !$this->_priceSetId) {
         CRM_Core_Error::fatal(ts('The requested online contribution page is missing a required Contribution Amount section or Membership section or Price Set. Please check with the site administrator for assistance.'));
     }
     if ($this->_values['amount_block_is_active']) {
         $this->set('amount_block_is_active', $this->_values['amount_block_is_active']);
     }
     if (!empty($this->_membershipBlock) && CRM_Utils_Array::value('is_separate_payment', $this->_membershipBlock) && !($this->_paymentProcessor['billing_mode'] & CRM_Core_Payment::BILLING_MODE_FORM)) {
         CRM_Core_Error::fatal(ts('This contribution page is configured to support separate contribution and membership payments. This %1 plugin does not currently support multiple simultaneous payments. Please contact the site administrator and notify them of this error', array(1 => $this->_paymentProcessor['payment_processor_type'])));
     }
     $this->_contributeMode = $this->get('contributeMode');
     $this->assign('contributeMode', $this->_contributeMode);
     //assigning is_monetary and is_email_receipt to template
     $this->assign('is_monetary', $this->_values['is_monetary']);
     $this->assign('is_email_receipt', $this->_values['is_email_receipt']);
     $this->assign('bltID', $this->_bltID);
     //assign cancelSubscription URL to templates
     $this->assign('cancelSubscriptionUrl', CRM_Utils_Array::value('cancelSubscriptionUrl', $this->_values));
     // assigning title to template in case someone wants to use it, also setting CMS page title
     if ($this->_pcpId) {
         $this->assign('title', $pcpInfo['title']);
         CRM_Utils_System::setTitle($pcpInfo['title']);
     } else {
         $this->assign('title', $this->_values['title']);
         CRM_Utils_System::setTitle($this->_values['title']);
     }
     $this->_defaults = array();
     $this->_amount = $this->get('amount');
     //CRM-6907
     $config = CRM_Core_Config::singleton();
     $config->defaultCurrency = CRM_Utils_Array::value('currency', $this->_values, $config->defaultCurrency);
 }

//.........这里部分代码省略.........
             if (!$ppID) {
                 CRM_Core_Error::statusBounce(ts('A payment processor must be selected for this event registration page, or the event must be configured to give users the option to pay later (contact the site administrator for assistance).'), $infoUrl);
             }
             require_once 'CRM/Core/BAO/PaymentProcessor.php';
             $this->_paymentProcessor = CRM_Core_BAO_PaymentProcessor::getPayment($ppID, $this->_mode);
             // make sure we have a valid payment class, else abort
             if ($this->_values['event']['is_monetary']) {
                 if (!$this->_paymentProcessor) {
                     CRM_Core_Error::fatal(ts('The site administrator must set a Payment Processor for this event in order to use online registration.'));
                 }
                 // ensure that processor has a valid config
                 $payment =& CRM_Core_Payment::singleton($this->_mode, 'Event', $this->_paymentProcessor, $this);
                 $error = $payment->checkConfig();
                 if (!empty($error)) {
                     CRM_Core_Error::fatal($error);
                 }
             }
             $this->_paymentProcessor['processorName'] = $payment->_processorName;
             $this->set('paymentProcessor', $this->_paymentProcessor);
         }
         // get price info
         $price = self::initPriceSet($this, $eventID);
         if ($price == false) {
             if (!isset($this->_values['fee'])) {
                 $this->_values['fee'] = array();
             }
             require_once 'CRM/Core/OptionGroup.php';
             CRM_Core_OptionGroup::getAssoc("civicrm_event.amount.{$eventID}", $this->_values['fee'], true);
             //fix for non-upgraded price sets.CRM-4256.
             if ($isMonetary && empty($this->_values['fee'])) {
                 CRM_Core_Error::fatal(ts('No Fee Level(s) or Price Set is configured for this event.<br />Click <a href=\'%1\'>CiviEvent >> Manage Event >> Configure >> Event Fees</a> to configure the Fee Level(s) or Price Set for this event.', array(1 => CRM_Utils_System::url('civicrm/event/manage', 'reset=1&action=update&subPage=Fee&id=' . $this->_eventId))));
             }
         }
         // get the profile ids
         require_once 'CRM/Core/BAO/UFJoin.php';
         $ufJoinParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent', 'entity_id' => $this->_eventId);
         list($this->_values['custom_pre_id'], $this->_values['custom_post_id']) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
         // set profiles for additional participants
         if ($this->_values['event']['is_multiple_registrations']) {
             require_once 'CRM/Core/BAO/UFJoin.php';
             $ufJoinParams = array('entity_table' => 'civicrm_event', 'module' => 'CiviEvent_Additional', 'entity_id' => $this->_eventId);
             list($this->_values['additional_custom_pre_id'], $this->_values['additional_custom_post_id'], $preActive, $postActive) = CRM_Core_BAO_UFJoin::getUFGroupIds($ufJoinParams);
             // CRM-4377: we need to maintain backward compatibility, hence if there is profile for main contact
             // set same profile for additional contacts.
             if ($this->_values['custom_pre_id'] && !$this->_values['additional_custom_pre_id']) {
                 $this->_values['additional_custom_pre_id'] = $this->_values['custom_pre_id'];
             }
             if ($this->_values['custom_post_id'] && !$this->_values['additional_custom_post_id']) {
                 $this->_values['additional_custom_post_id'] = $this->_values['custom_post_id'];
             }
             // now check for no profile condition, in that case is_active = 0
             if (isset($preActive) && !$preActive) {
                 unset($this->_values['additional_custom_pre_id']);
             }
             if (isset($postActive) && !$postActive) {
                 unset($this->_values['additional_custom_post_id']);
             }
         }
         $params = array('id' => $this->_eventId);
         // get the billing location type
         $locationTypes =& CRM_Core_PseudoConstant::locationType();
         $this->_bltID = array_search('Billing', $locationTypes);
         if (!$this->_bltID) {
             CRM_Core_Error::fatal(ts('Please set a location type of %1', array(1 => 'Billing')));
         }
         $this->set('bltID', $this->_bltID);
         if ($this->_values['event']['is_monetary'] && $this->_paymentProcessor['billing_mode'] & CRM_Core_Payment::BILLING_MODE_FORM) {
             require_once 'CRM/Core/Payment/Form.php';
             CRM_Core_Payment_Form::setCreditCardFields($this);
         }
         $params = array('entity_id' => $this->_eventId, 'entity_table' => 'civicrm_event');
         require_once 'CRM/Core/BAO/Location.php';
         $this->_values['location'] = CRM_Core_BAO_Location::getValues($params, true);
         $this->set('values', $this->_values);
         $this->set('fields', $this->_fields);
     }
     $this->assign_by_ref('paymentProcessor', $this->_paymentProcessor);
     // check if this is a paypal auto return and redirect accordingly
     if (CRM_Core_Payment::paypalRedirect($this->_paymentProcessor)) {
         $url = CRM_Utils_System::url('civicrm/event/register', "_qf_ThankYou_display=1&qfKey={$this->controller->_key}");
         CRM_Utils_System::redirect($url);
     }
     $this->_contributeMode = $this->get('contributeMode');
     $this->assign('contributeMode', $this->_contributeMode);
     // setting CMS page title
     CRM_Utils_System::setTitle($this->_values['event']['title']);
     $this->assign('title', $this->_values['event']['title']);
     $this->assign('paidEvent', $this->_values['event']['is_monetary']);
     // we do not want to display recently viewed items on Registration pages
     $this->assign('displayRecent', false);
     // Registration page values are cleared from session, so can't use normal Printer Friendly view.
     // Use Browser Print instead.
     $this->assign('browserPrint', true);
     // assign all event properties so wizard templates can display event info.
     $this->assign('event', $this->_values['event']);
     $this->assign('location', $this->_values['location']);
     $this->assign('bltID', $this->_bltID);
     $isShowLocation = CRM_Utils_Array::value('is_show_location', $this->_values['event']);
     $this->assign('isShowLocation', $isShowLocation);
 }