/**
  * Set variables up before form is built.
  */
 public function preProcess()
 {
     $id = $this->get('id');
     $params = array('id' => $id);
     $context = CRM_Utils_Request::retrieve('context', 'String', $this);
     $this->assign('context', $context);
     $values = CRM_Contribute_BAO_Contribution::getValuesWithMappings($params);
     if (CRM_Financial_BAO_FinancialType::isACLFinancialTypeStatus() && $this->_action & CRM_Core_Action::VIEW) {
         $financialTypeID = CRM_Contribute_PseudoConstant::financialType($values['financial_type_id']);
         CRM_Financial_BAO_FinancialType::checkPermissionedLineItems($id, 'view');
         if (CRM_Financial_BAO_FinancialType::checkPermissionedLineItems($id, 'edit', FALSE)) {
             $this->assign('canEdit', TRUE);
         }
         if (CRM_Financial_BAO_FinancialType::checkPermissionedLineItems($id, 'delete', FALSE)) {
             $this->assign('canDelete', TRUE);
         }
         if (!CRM_Core_Permission::check('view contributions of type ' . $financialTypeID)) {
             CRM_Core_Error::fatal(ts('You do not have permission to access this page.'));
         }
     } elseif ($this->_action & CRM_Core_Action::VIEW) {
         $this->assign('noACL', TRUE);
     }
     CRM_Contribute_BAO_Contribution::resolveDefaults($values);
     // @todo - I believe this cancelledStatus is unused - if someone reaches the same conclusion
     // by grepping then the next few lines can go.
     $cancelledStatus = TRUE;
     $status = CRM_Contribute_PseudoConstant::contributionStatus(NULL, 'name');
     if (CRM_Utils_Array::value('contribution_status_id', $values) == array_search('Cancelled', $status)) {
         $cancelledStatus = FALSE;
     }
     $this->assign('cancelledStatus', $cancelledStatus);
     if (!empty($values['contribution_page_id'])) {
         $contribPages = CRM_Contribute_PseudoConstant::contributionPage(NULL, TRUE);
         $values['contribution_page_title'] = CRM_Utils_Array::value(CRM_Utils_Array::value('contribution_page_id', $values), $contribPages);
     }
     // get received into i.e to_financial_account_id from last trxn
     $financialTrxnId = CRM_Core_BAO_FinancialTrxn::getFinancialTrxnId($values['contribution_id'], 'DESC');
     $values['to_financial_account'] = '';
     if (!empty($financialTrxnId['financialTrxnId'])) {
         $values['to_financial_account_id'] = CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_FinancialTrxn', $financialTrxnId['financialTrxnId'], 'to_financial_account_id');
         if ($values['to_financial_account_id']) {
             $values['to_financial_account'] = CRM_Contribute_PseudoConstant::financialAccount($values['to_financial_account_id']);
         }
         $values['payment_processor_id'] = CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_FinancialTrxn', $financialTrxnId['financialTrxnId'], 'payment_processor_id');
         if ($values['payment_processor_id']) {
             $values['payment_processor_name'] = CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_PaymentProcessor', $values['payment_processor_id'], 'name');
         }
     }
     if (!empty($values['contribution_recur_id'])) {
         $sql = "SELECT  installments, frequency_interval, frequency_unit FROM civicrm_contribution_recur WHERE id = %1";
         $params = array(1 => array($values['contribution_recur_id'], 'Integer'));
         $dao = CRM_Core_DAO::executeQuery($sql, $params);
         if ($dao->fetch()) {
             $values['recur_installments'] = $dao->installments;
             $values['recur_frequency_unit'] = $dao->frequency_unit;
             $values['recur_frequency_interval'] = $dao->frequency_interval;
         }
     }
     $groupTree = CRM_Core_BAO_CustomGroup::getTree('Contribution', $this, $id, 0, CRM_Utils_Array::value('financial_type_id', $values));
     CRM_Core_BAO_CustomGroup::buildCustomDataView($this, $groupTree, FALSE, NULL, NULL, NULL, $id);
     $premiumId = NULL;
     if ($id) {
         $dao = new CRM_Contribute_DAO_ContributionProduct();
         $dao->contribution_id = $id;
         if ($dao->find(TRUE)) {
             $premiumId = $dao->id;
             $productID = $dao->product_id;
         }
     }
     if ($premiumId) {
         $productDAO = new CRM_Contribute_DAO_Product();
         $productDAO->id = $productID;
         $productDAO->find(TRUE);
         $this->assign('premium', $productDAO->name);
         $this->assign('option', $dao->product_option);
         $this->assign('fulfilled', $dao->fulfilled_date);
     }
     // Get Note
     $noteValue = CRM_Core_BAO_Note::getNote(CRM_Utils_Array::value('id', $values), 'civicrm_contribution');
     $values['note'] = array_values($noteValue);
     // show billing address location details, if exists
     if (!empty($values['address_id'])) {
         $addressParams = array('id' => CRM_Utils_Array::value('address_id', $values));
         $addressDetails = CRM_Core_BAO_Address::getValues($addressParams, FALSE, 'id');
         $addressDetails = array_values($addressDetails);
         $values['billing_address'] = $addressDetails[0]['display'];
     }
     //assign soft credit record if exists.
     $SCRecords = CRM_Contribute_BAO_ContributionSoft::getSoftContribution($values['contribution_id'], TRUE);
     if (!empty($SCRecords['soft_credit'])) {
         $this->assign('softContributions', $SCRecords['soft_credit']);
         unset($SCRecords['soft_credit']);
     }
     //assign pcp record if exists
     foreach ($SCRecords as $name => $value) {
         $this->assign($name, $value);
     }
     $lineItems = array();
     if ($id) {
         $lineItem = CRM_Price_BAO_LineItem::getLineItems($id, 'contribution', 1, TRUE, TRUE);
         if (!empty($lineItem)) {
             $lineItems[] = $lineItem;
         }
     }
     $this->assign('lineItem', empty($lineItems) ? FALSE : $lineItems);
     $values['totalAmount'] = $values['total_amount'];
     //do check for campaigns
     if ($campaignId = CRM_Utils_Array::value('campaign_id', $values)) {
         $campaigns = CRM_Campaign_BAO_Campaign::getCampaigns($campaignId);
         $values['campaign'] = $campaigns[$campaignId];
     }
     if ($values['contribution_status'] == 'Refunded') {
         $this->assign('refund_trxn_id', CRM_Core_BAO_FinancialTrxn::getRefundTransactionTrxnID($id));
     }
     // assign values to the template
     $this->assign($values);
     $invoiceSettings = Civi::settings()->get('contribution_invoice_settings');
     $invoicing = CRM_Utils_Array::value('invoicing', $invoiceSettings);
     $this->assign('invoicing', $invoicing);
     $this->assign('isDeferred', CRM_Utils_Array::value('deferred_revenue_enabled', $invoiceSettings));
     if ($invoicing && isset($values['tax_amount'])) {
         $this->assign('totalTaxAmount', $values['tax_amount']);
     }
     $displayName = CRM_Contact_BAO_Contact::displayName($values['contact_id']);
     $this->assign('displayName', $displayName);
     // Check if this is default domain contact CRM-10482
     if (CRM_Contact_BAO_Contact::checkDomainContact($values['contact_id'])) {
         $displayName .= ' (' . ts('default organization') . ')';
     }
     // omitting contactImage from title for now since the summary overlay css doesn't work outside of our crm-container
     CRM_Utils_System::setTitle(ts('View Contribution from') . ' ' . $displayName);
     // add viewed contribution to recent items list
     $url = CRM_Utils_System::url('civicrm/contact/view/contribution', "action=view&reset=1&id={$values['id']}&cid={$values['contact_id']}&context=home");
     $title = $displayName . ' - (' . CRM_Utils_Money::format($values['total_amount']) . ' ' . ' - ' . $values['financial_type'] . ')';
     $recentOther = array();
     if (CRM_Core_Permission::checkActionPermission('CiviContribute', CRM_Core_Action::UPDATE)) {
         $recentOther['editUrl'] = CRM_Utils_System::url('civicrm/contact/view/contribution', "action=update&reset=1&id={$values['id']}&cid={$values['contact_id']}&context=home");
     }
     if (CRM_Core_Permission::checkActionPermission('CiviContribute', CRM_Core_Action::DELETE)) {
         $recentOther['deleteUrl'] = CRM_Utils_System::url('civicrm/contact/view/contribution', "action=delete&reset=1&id={$values['id']}&cid={$values['contact_id']}&context=home");
     }
     CRM_Utils_Recent::add($title, $url, $values['id'], 'Contribution', $values['contact_id'], NULL, $recentOther);
 }