/**
  * Insert/update a new entry in the database.
  *
  * @param array $params
  *   (reference), array $ids.
  *
  * @param $ids
  *
  * @return CRM_Price_DAO_PriceFieldValue
  */
 public static function add(&$params, $ids = array())
 {
     $fieldValueBAO = new CRM_Price_BAO_PriceFieldValue();
     $fieldValueBAO->copyValues($params);
     if ($id = CRM_Utils_Array::value('id', $ids)) {
         $fieldValueBAO->id = $id;
     }
     if (!empty($params['is_default'])) {
         $query = 'UPDATE civicrm_price_field_value SET is_default = 0 WHERE  price_field_id = %1';
         $p = array(1 => array($params['price_field_id'], 'Integer'));
         CRM_Core_DAO::executeQuery($query, $p);
     }
     $fieldValueBAO->save();
     // Reset the cached values in this function.
     CRM_Price_BAO_PriceField::getOptions(CRM_Utils_Array::value('price_field_id', $params), FALSE, TRUE);
     return $fieldValueBAO;
 }

 function build_price_options($event)
 {
     $price_fields_for_event = array();
     $base_field_name = "event_{$event->id}_amount";
     $price_set_id = CRM_Price_BAO_PriceSet::getFor('civicrm_event', $event->id);
     if ($price_set_id) {
         $price_sets = CRM_Price_BAO_PriceSet::getSetDetail($price_set_id, TRUE, TRUE);
         $price_set = $price_sets[$price_set_id];
         $index = -1;
         foreach ($price_set['fields'] as $field) {
             $index++;
             $field_name = "event_{$event->id}_price_{$field['id']}";
             CRM_Price_BAO_PriceField::addQuickFormElement($this, $field_name, $field['id'], FALSE);
             $price_fields_for_event[] = $field_name;
         }
     }
     return $price_fields_for_event;
 }

 /**
  * helper function to record participant with paid contribution.
  * @param $feeTotal
  * @param $actualPaidAmt
  *
  * @return array
  * @throws Exception
  */
 public function _addParticipantWithPayment($feeTotal, $actualPaidAmt)
 {
     // creating price set, price field
     $paramsSet['title'] = 'Price Set';
     $paramsSet['name'] = CRM_Utils_String::titleToVar('Price Set');
     $paramsSet['is_active'] = FALSE;
     $paramsSet['extends'] = 1;
     $priceset = CRM_Price_BAO_PriceSet::create($paramsSet);
     CRM_Price_BAO_PriceSet::addTo('civicrm_event', $this->_eventId, $priceset->id);
     $priceSetId = $priceset->id;
     //Checking for priceset added in the table.
     $this->assertDBCompareValue('CRM_Price_BAO_PriceSet', $priceSetId, 'title', 'id', $paramsSet['title'], 'Check DB for created priceset');
     $paramsField = array('label' => 'Price Field', 'name' => CRM_Utils_String::titleToVar('Price Field'), 'html_type' => 'Text', 'price' => $feeTotal, 'option_label' => array('1' => 'Price Field'), 'option_value' => array('1' => $feeTotal), 'option_name' => array('1' => $feeTotal), 'option_weight' => array('1' => 1), 'option_amount' => array('1' => 1), 'is_display_amounts' => 1, 'weight' => 1, 'options_per_line' => 1, 'is_active' => array('1' => 1), 'price_set_id' => $priceset->id, 'is_enter_qty' => 1);
     $ids = array();
     $pricefield = CRM_Price_BAO_PriceField::create($paramsField, $ids);
     //Checking for priceset added in the table.
     $this->assertDBCompareValue('CRM_Price_BAO_PriceField', $pricefield->id, 'label', 'id', $paramsField['label'], 'Check DB for created pricefield');
     // create participant record
     $eventId = $this->_eventId;
     $participantParams = array('send_receipt' => 1, 'is_test' => 0, 'is_pay_later' => 0, 'event_id' => $eventId, 'register_date' => date('Y-m-d') . " 00:00:00", 'role_id' => 1, 'status_id' => 14, 'source' => 'Event_' . $eventId, 'contact_id' => $this->_contactId, 'note' => 'Note added for Event_' . $eventId, 'fee_level' => 'Price_Field - 55');
     $participant = $this->callAPISuccess('participant', 'create', $participantParams);
     $this->callAPISuccessGetSingle('participant', array('id' => $participant['id']));
     // create participant contribution with partial payment
     $contributionParams = array('total_amount' => $actualPaidAmt, 'source' => 'Fall Fundraiser Dinner: Offline registration', 'currency' => 'USD', 'non_deductible_amount' => 'null', 'receipt_date' => date('Y-m-d') . " 00:00:00", 'contact_id' => $this->_contactId, 'financial_type_id' => 4, 'payment_instrument_id' => 4, 'contribution_status_id' => 1, 'receive_date' => date('Y-m-d') . " 00:00:00", 'skipLineItem' => 1, 'partial_payment_total' => $feeTotal, 'partial_amount_pay' => $actualPaidAmt);
     $contribution = CRM_Contribute_BAO_Contribution::create($contributionParams);
     $contributionId = $contribution->id;
     $participant = $this->callAPISuccessGetSingle('participant', array('id' => $participant['id']));
     // add participant payment entry
     $this->callAPISuccess('participant_payment', 'create', array('participant_id' => $participant['id'], 'contribution_id' => $contributionId));
     // -- processing priceSet using the BAO
     $lineItem = array();
     $priceSet = CRM_Price_BAO_PriceSet::getSetDetail($priceSetId, TRUE, FALSE);
     $priceSet = CRM_Utils_Array::value($priceSetId, $priceSet);
     $feeBlock = CRM_Utils_Array::value('fields', $priceSet);
     $params['price_2'] = $feeTotal;
     CRM_Price_BAO_PriceSet::processAmount($feeBlock, $params, $lineItem);
     $lineItemVal[$priceSetId] = $lineItem;
     CRM_Price_BAO_LineItem::processPriceSet($participant['id'], $lineItemVal, $contribution, 'civicrm_participant');
     return array($participant, $contribution);
 }

 /**
  * Add participant with contribution
  *
  * @return array
  */
 protected function addParticipantWithContribution()
 {
     // creating price set, price field
     require_once 'CiviTest/Event.php';
     $this->_contactId = Contact::createIndividual();
     $this->_eventId = Event::create($this->_contactId);
     $paramsSet['title'] = 'Price Set' . substr(sha1(rand()), 0, 4);
     $paramsSet['name'] = CRM_Utils_String::titleToVar($paramsSet['title']);
     $paramsSet['is_active'] = TRUE;
     $paramsSet['financial_type_id'] = 4;
     $paramsSet['extends'] = 1;
     $priceset = CRM_Price_BAO_PriceSet::create($paramsSet);
     $priceSetId = $priceset->id;
     //Checking for priceset added in the table.
     $this->assertDBCompareValue('CRM_Price_BAO_PriceSet', $priceSetId, 'title', 'id', $paramsSet['title'], 'Check DB for created priceset');
     $paramsField = array('label' => 'Price Field', 'name' => CRM_Utils_String::titleToVar('Price Field'), 'html_type' => 'CheckBox', 'option_label' => array('1' => 'Price Field 1', '2' => 'Price Field 2'), 'option_value' => array('1' => 100, '2' => 200), 'option_name' => array('1' => 'Price Field 1', '2' => 'Price Field 2'), 'option_weight' => array('1' => 1, '2' => 2), 'option_amount' => array('1' => 100, '2' => 200), 'is_display_amounts' => 1, 'weight' => 1, 'options_per_line' => 1, 'is_active' => array('1' => 1, '2' => 1), 'price_set_id' => $priceset->id, 'is_enter_qty' => 1, 'financial_type_id' => CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_FinancialType', 'Event Fee', 'id', 'name'));
     $priceField = CRM_Price_BAO_PriceField::create($paramsField);
     $eventParams = array('id' => $this->_eventId, 'financial_type_id' => 4, 'is_monetary' => 1);
     CRM_Event_BAO_Event::create($eventParams);
     CRM_Price_BAO_PriceSet::addTo('civicrm_event', $this->_eventId, $priceSetId);
     $priceFields = $this->callAPISuccess('PriceFieldValue', 'get', array('price_field_id' => $priceField->id));
     $participantParams = array('financial_type_id' => 4, 'event_id' => $this->_eventId, 'role_id' => 1, 'status_id' => 14, 'fee_currency' => 'USD', 'contact_id' => $this->_contactId);
     $participant = CRM_Event_BAO_Participant::add($participantParams);
     $contributionParams = array('total_amount' => 150, 'currency' => 'USD', 'contact_id' => $this->_contactId, 'financial_type_id' => 4, 'contribution_status_id' => 1, 'partial_payment_total' => 300.0, 'partial_amount_pay' => 150, 'contribution_mode' => 'participant', 'participant_id' => $participant->id);
     foreach ($priceFields['values'] as $key => $priceField) {
         $lineItems[1][$key] = array('price_field_id' => $priceField['price_field_id'], 'price_field_value_id' => $priceField['id'], 'label' => $priceField['label'], 'field_title' => $priceField['label'], 'qty' => 1, 'unit_price' => $priceField['amount'], 'line_total' => $priceField['amount'], 'financial_type_id' => $priceField['financial_type_id']);
     }
     $contributionParams['line_item'] = $lineItems;
     $contributions = CRM_Contribute_BAO_Contribution::create($contributionParams);
     $paymentParticipant = array('participant_id' => $participant->id, 'contribution_id' => $contributions->id);
     $ids = array();
     CRM_Event_BAO_ParticipantPayment::create($paymentParticipant, $ids);
     return array($lineItems, $contributions);
 }

 /**
  * Process the form.
  */
 public function postProcess()
 {
     // store the submitted values in an array
     $params = $this->controller->exportValues('Field');
     $params['is_display_amounts'] = CRM_Utils_Array::value('is_display_amounts', $params, FALSE);
     $params['is_required'] = CRM_Utils_Array::value('is_required', $params, FALSE);
     $params['is_active'] = CRM_Utils_Array::value('is_active', $params, FALSE);
     $params['financial_type_id'] = CRM_Utils_Array::value('financial_type_id', $params, FALSE);
     if (isset($params['active_on'])) {
         $params['active_on'] = CRM_Utils_Date::processDate($params['active_on'], CRM_Utils_Array::value('active_on_time', $params), TRUE);
     }
     if (isset($params['expire_on'])) {
         $params['expire_on'] = CRM_Utils_Date::processDate($params['expire_on'], CRM_Utils_Array::value('expire_on_time', $params), TRUE);
     }
     $params['visibility_id'] = CRM_Utils_Array::value('visibility_id', $params, FALSE);
     $params['count'] = CRM_Utils_Array::value('count', $params, FALSE);
     // need the FKEY - price set id
     $params['price_set_id'] = $this->_sid;
     if ($this->_action & (CRM_Core_Action::UPDATE | CRM_Core_Action::ADD)) {
         $fieldValues = array('price_set_id' => $this->_sid);
         $oldWeight = NULL;
         if ($this->_fid) {
             $oldWeight = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceField', $this->_fid, 'weight', 'id');
         }
         $params['weight'] = CRM_Utils_Weight::updateOtherWeights('CRM_Price_DAO_PriceField', $oldWeight, $params['weight'], $fieldValues);
     }
     // make value <=> name consistency.
     if (isset($params['option_name'])) {
         $params['option_value'] = $params['option_name'];
     }
     $params['is_enter_qty'] = CRM_Utils_Array::value('is_enter_qty', $params, FALSE);
     if ($params['html_type'] == 'Text') {
         // if html type is Text, force is_enter_qty on
         $params['is_enter_qty'] = 1;
         // modify params values as per the option group and option
         // value
         $params['option_amount'] = array(1 => $params['price']);
         $params['option_label'] = array(1 => $params['label']);
         $params['option_count'] = array(1 => $params['count']);
         $params['option_max_value'] = array(1 => CRM_Utils_Array::value('max_value', $params));
         //$params['option_description']  = array( 1 => $params['description'] );
         $params['option_weight'] = array(1 => $params['weight']);
         $params['option_financial_type_id'] = array(1 => $params['financial_type_id']);
     }
     if ($this->_fid) {
         $params['id'] = $this->_fid;
     }
     $params['membership_num_terms'] = !empty($params['membership_type_id']) ? CRM_Utils_Array::value('membership_num_terms', $params, 1) : NULL;
     $priceField = CRM_Price_BAO_PriceField::create($params);
     if (!is_a($priceField, 'CRM_Core_Error')) {
         CRM_Core_Session::setStatus(ts('Price Field \'%1\' has been saved.', array(1 => $priceField->label)), ts('Saved'), 'success');
     }
     $buttonName = $this->controller->getButtonName();
     $session = CRM_Core_Session::singleton();
     if ($buttonName == $this->getButtonName('next', 'new')) {
         CRM_Core_Session::setStatus(ts(' You can add another price set field.'), '', 'info');
         $session->replaceUserContext(CRM_Utils_System::url('civicrm/admin/price/field', 'reset=1&action=add&sid=' . $this->_sid));
     } else {
         $session->replaceUserContext(CRM_Utils_System::url('civicrm/admin/price/field', 'reset=1&action=browse&sid=' . $this->_sid));
     }
 }

 /**
  * Process the form.
  */
 public function postProcess()
 {
     $eventTitle = '';
     $params = $this->exportValues();
     $this->set('discountSection', 0);
     if (!empty($_POST['_qf_Fee_submit'])) {
         $this->buildAmountLabel();
         $this->set('discountSection', 2);
         return;
     }
     if (!empty($params['payment_processor'])) {
         $params['payment_processor'] = str_replace(',', CRM_Core_DAO::VALUE_SEPARATOR, $params['payment_processor']);
     } else {
         $params['payment_processor'] = 'null';
     }
     $params['is_pay_later'] = CRM_Utils_Array::value('is_pay_later', $params, 0);
     $params['is_billing_required'] = CRM_Utils_Array::value('is_billing_required', $params, 0);
     if ($this->_id) {
         // delete all the prior label values or discounts in the custom options table
         // and delete a price set if one exists
         //@todo note that this removes the reference from existing participants -
         // even where there is not change - redress?
         // note that a more tentative form of this is invoked by passing price_set_id as an array
         // to event.create see CRM-14069
         // @todo get all of this logic out of form layer (currently partially in BAO/api layer)
         if (CRM_Price_BAO_PriceSet::removeFrom('civicrm_event', $this->_id)) {
             CRM_Core_BAO_Discount::del($this->_id, 'civicrm_event');
         }
     }
     if ($params['is_monetary']) {
         if (!empty($params['price_set_id'])) {
             //@todo this is now being done in the event BAO if passed price_set_id as an array
             // per notes on that fn - looking at the api converting to an array
             // so calling via the api may cause this to be done in the api
             CRM_Price_BAO_PriceSet::addTo('civicrm_event', $this->_id, $params['price_set_id']);
             if (!empty($params['price_field_id'])) {
                 $priceSetID = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceField', $params['price_field_id'], 'price_set_id');
                 CRM_Price_BAO_PriceSet::setIsQuickConfig($priceSetID, 0);
             }
         } else {
             // if there are label / values, create custom options for them
             $labels = CRM_Utils_Array::value('label', $params);
             $values = CRM_Utils_Array::value('value', $params);
             $default = CRM_Utils_Array::value('default', $params);
             $options = array();
             if (!CRM_Utils_System::isNull($labels) && !CRM_Utils_System::isNull($values)) {
                 for ($i = 1; $i < self::NUM_OPTION; $i++) {
                     if (!empty($labels[$i]) && !CRM_Utils_System::isNull($values[$i])) {
                         $options[] = array('label' => trim($labels[$i]), 'value' => CRM_Utils_Rule::cleanMoney(trim($values[$i])), 'weight' => $i, 'is_active' => 1, 'is_default' => $default == $i);
                     }
                 }
                 if (!empty($options)) {
                     $params['default_fee_id'] = NULL;
                     if (empty($params['price_set_id'])) {
                         if (empty($params['price_field_id'])) {
                             $setParams['title'] = $eventTitle = $this->_isTemplate ? $this->_defaultValues['template_title'] : $this->_defaultValues['title'];
                             $eventTitle = strtolower(CRM_Utils_String::munge($eventTitle, '_', 245));
                             if (!CRM_Core_DAO::getFieldValue('CRM_Price_BAO_PriceSet', $eventTitle, 'id', 'name')) {
                                 $setParams['name'] = $eventTitle;
                             } elseif (!CRM_Core_DAO::getFieldValue('CRM_Price_BAO_PriceSet', $eventTitle . '_' . $this->_id, 'id', 'name')) {
                                 $setParams['name'] = $eventTitle . '_' . $this->_id;
                             } else {
                                 $timeSec = explode('.', microtime(TRUE));
                                 $setParams['name'] = $eventTitle . '_' . date('is', $timeSec[0]) . $timeSec[1];
                             }
                             $setParams['is_quick_config'] = 1;
                             $setParams['financial_type_id'] = $params['financial_type_id'];
                             $setParams['extends'] = CRM_Core_Component::getComponentID('CiviEvent');
                             $priceSet = CRM_Price_BAO_PriceSet::create($setParams);
                             $fieldParams['name'] = strtolower(CRM_Utils_String::munge($params['fee_label'], '_', 245));
                             $fieldParams['price_set_id'] = $priceSet->id;
                         } else {
                             foreach ($params['price_field_value'] as $arrayID => $fieldValueID) {
                                 if (empty($params['label'][$arrayID]) && empty($params['value'][$arrayID]) && !empty($fieldValueID)) {
                                     CRM_Price_BAO_PriceFieldValue::setIsActive($fieldValueID, '0');
                                     unset($params['price_field_value'][$arrayID]);
                                 }
                             }
                             $fieldParams['id'] = CRM_Utils_Array::value('price_field_id', $params);
                             $fieldParams['option_id'] = $params['price_field_value'];
                             $priceSet = new CRM_Price_BAO_PriceSet();
                             $priceSet->id = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceField', CRM_Utils_Array::value('price_field_id', $params), 'price_set_id');
                             if ($this->_defaultValues['financial_type_id'] != $params['financial_type_id']) {
                                 CRM_Core_DAO::setFieldValue('CRM_Price_DAO_PriceSet', $priceSet->id, 'financial_type_id', $params['financial_type_id']);
                             }
                         }
                         $fieldParams['label'] = $params['fee_label'];
                         $fieldParams['html_type'] = 'Radio';
                         CRM_Price_BAO_PriceSet::addTo('civicrm_event', $this->_id, $priceSet->id);
                         $fieldParams['option_label'] = $params['label'];
                         $fieldParams['option_amount'] = $params['value'];
                         $fieldParams['financial_type_id'] = $params['financial_type_id'];
                         foreach ($options as $value) {
                             $fieldParams['option_weight'][$value['weight']] = $value['weight'];
                         }
                         $fieldParams['default_option'] = $params['default'];
                         $priceField = CRM_Price_BAO_PriceField::create($fieldParams);
//.........这里部分代码省略.........

 /**
  * Create a price set for an event.
  *
  * @param int $feeTotal
  *
  * @return int
  *   Price Set ID.
  */
 protected function eventPriceSetCreate($feeTotal)
 {
     // creating price set, price field
     $paramsSet['title'] = 'Price Set';
     $paramsSet['name'] = CRM_Utils_String::titleToVar('Price Set');
     $paramsSet['is_active'] = FALSE;
     $paramsSet['extends'] = 1;
     $priceset = CRM_Price_BAO_PriceSet::create($paramsSet);
     $priceSetId = $priceset->id;
     //Checking for priceset added in the table.
     $this->assertDBCompareValue('CRM_Price_BAO_PriceSet', $priceSetId, 'title', 'id', $paramsSet['title'], 'Check DB for created priceset');
     $paramsField = array('label' => 'Price Field', 'name' => CRM_Utils_String::titleToVar('Price Field'), 'html_type' => 'Text', 'price' => $feeTotal, 'option_label' => array('1' => 'Price Field'), 'option_value' => array('1' => $feeTotal), 'option_name' => array('1' => $feeTotal), 'option_weight' => array('1' => 1), 'option_amount' => array('1' => 1), 'is_display_amounts' => 1, 'weight' => 1, 'options_per_line' => 1, 'is_active' => array('1' => 1), 'price_set_id' => $priceset->id, 'is_enter_qty' => 1, 'financial_type_id' => CRM_Core_DAO::getFieldValue('CRM_Financial_DAO_FinancialType', 'Event Fee', 'id', 'name'));
     CRM_Price_BAO_PriceField::create($paramsField);
     return $priceSetId;
 }

 /**
  * build the radio/text form elements for the amount field
  *
  * @param object   $form form object
  * @param boolean  $required  true if you want to add formRule
  * @param int      $discountId discount id for the event
  *
  * @return void
  * @access public
  * @static
  */
 public static function buildAmount(&$form, $required = TRUE, $discountId = NULL)
 {
     //if payment done, no need to build the fee block.
     if (!empty($form->_paymentId)) {
         //fix to display line item in update mode.
         $form->assign('priceSet', isset($form->_priceSet) ? $form->_priceSet : NULL);
         return;
     }
     $feeFields = CRM_Utils_Array::value('fee', $form->_values);
     if (is_array($feeFields)) {
         $form->_feeBlock =& $form->_values['fee'];
     }
     //check for discount.
     $discountedFee = CRM_Utils_Array::value('discount', $form->_values);
     if (is_array($discountedFee) && !empty($discountedFee)) {
         if (!$discountId) {
             $form->_discountId = $discountId = CRM_Core_BAO_Discount::findSet($form->_eventId, 'civicrm_event');
         }
         if ($discountId) {
             $form->_feeBlock =& $form->_values['discount'][$discountId];
         }
     }
     if (!is_array($form->_feeBlock)) {
         $form->_feeBlock = array();
     }
     //its time to call the hook.
     CRM_Utils_Hook::buildAmount('event', $form, $form->_feeBlock);
     //reset required if participant is skipped.
     $button = substr($form->controller->getButtonName(), -4);
     if ($required && $button == 'skip') {
         $required = FALSE;
     }
     $className = CRM_Utils_System::getClassName($form);
     //build the priceset fields.
     if (isset($form->_priceSetId) && $form->_priceSetId) {
         //format price set fields across option full.
         self::formatFieldsForOptionFull($form);
         if (CRM_Utils_Array::value('is_quick_config', $form->_priceSet)) {
             $form->_quickConfig = $form->_priceSet['is_quick_config'];
         }
         $form->add('hidden', 'priceSetId', $form->_priceSetId);
         foreach ($form->_feeBlock as $field) {
             if (CRM_Utils_Array::value('visibility', $field) == 'public' || $className == 'CRM_Event_Form_Participant') {
                 $fieldId = $field['id'];
                 $elementName = 'price_' . $fieldId;
                 $isRequire = CRM_Utils_Array::value('is_required', $field);
                 if ($button == 'skip') {
                     $isRequire = FALSE;
                 }
                 //user might modified w/ hook.
                 $options = CRM_Utils_Array::value('options', $field);
                 if (!is_array($options)) {
                     continue;
                 }
                 $optionFullIds = CRM_Utils_Array::value('option_full_ids', $field, array());
                 //soft suppress required rule when option is full.
                 if (!empty($optionFullIds) && count($options) == count($optionFullIds)) {
                     $isRequire = FALSE;
                 }
                 //build the element.
                 CRM_Price_BAO_PriceField::addQuickFormElement($form, $elementName, $fieldId, FALSE, $isRequire, NULL, $options, $optionFullIds);
             }
         }
         $form->assign('priceSet', $form->_priceSet);
     } else {
         $eventFeeBlockValues = array();
         foreach ($form->_feeBlock as $fee) {
             if (is_array($fee)) {
                 //CRM-7632, CRM-6201
                 $totalAmountJs = NULL;
                 if ($className == 'CRM_Event_Form_Participant') {
                     $totalAmountJs = array('onClick' => "fillTotalAmount(" . $fee['value'] . ")");
                 }
                 $eventFeeBlockValues['amount_id_' . $fee['amount_id']] = $fee['value'];
                 $elements[] =& $form->createElement('radio', NULL, '', CRM_Utils_Money::format($fee['value']) . ' ' . $fee['label'], $fee['amount_id'], $totalAmountJs);
             }
         }
         $form->assign('eventFeeBlockValues', json_encode($eventFeeBlockValues));
         $form->_defaults['amount'] = CRM_Utils_Array::value('default_fee_id', $form->_values['event']);
         $element =& $form->addGroup($elements, 'amount', ts('Event Fee(s)'), '<br />');
         if (isset($form->_online) && $form->_online) {
             $element->freeze();
         }
         if ($required) {
             $form->addRule('amount', ts('Fee Level is a required field.'), 'required');
         }
     }
 }

 /**
  * process membership records
  *
  * @param array $params associated array of submitted values
  *
  * @access public
  *
  * @return bool
  */
 private function processMembership(&$params)
 {
     $dateTypes = array('join_date' => 'joinDate', 'membership_start_date' => 'startDate', 'membership_end_date' => 'endDate');
     $dates = array('join_date', 'start_date', 'end_date', 'reminder_date');
     // get the price set associated with offline memebership
     $priceSetId = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceSet', 'default_membership_type_amount', 'id', 'name');
     $this->_priceSet = $priceSets = current(CRM_Price_BAO_PriceSet::getSetDetail($priceSetId));
     if (isset($params['field'])) {
         $customFields = array();
         foreach ($params['field'] as $key => $value) {
             // if contact is not selected we should skip the row
             if (empty($params['primary_contact_id'][$key])) {
                 continue;
             }
             $value['contact_id'] = CRM_Utils_Array::value($key, $params['primary_contact_id']);
             // update contact information
             $this->updateContactInfo($value);
             $membershipTypeId = $value['membership_type_id'] = $value['membership_type'][1];
             foreach ($dateTypes as $dateField => $dateVariable) {
                 ${$dateVariable} = CRM_Utils_Date::processDate($value[$dateField]);
             }
             $calcDates = array();
             $calcDates[$membershipTypeId] = CRM_Member_BAO_MembershipType::getDatesForMembershipType($membershipTypeId, $joinDate, $startDate, $endDate);
             foreach ($calcDates as $memType => $calcDate) {
                 foreach ($dates as $d) {
                     //first give priority to form values then calDates.
                     $date = CRM_Utils_Array::value($d, $value);
                     if (!$date) {
                         $date = CRM_Utils_Array::value($d, $calcDate);
                     }
                     $value[$d] = CRM_Utils_Date::processDate($date);
                 }
             }
             if (!empty($value['send_receipt'])) {
                 $value['receipt_date'] = date('Y-m-d His');
             }
             if (!empty($value['membership_source'])) {
                 $value['source'] = $value['membership_source'];
             }
             unset($value['membership_source']);
             //Get the membership status
             if (!empty($value['membership_status'])) {
                 $value['status_id'] = $value['membership_status'];
                 unset($value['membership_status']);
             }
             if (empty($customFields)) {
                 // membership type custom data
                 $customFields = CRM_Core_BAO_CustomField::getFields('Membership', FALSE, FALSE, $membershipTypeId);
                 $customFields = CRM_Utils_Array::crmArrayMerge($customFields, CRM_Core_BAO_CustomField::getFields('Membership', FALSE, FALSE, NULL, NULL, TRUE));
             }
             //check for custom data
             $value['custom'] = CRM_Core_BAO_CustomField::postProcess($params['field'][$key], $customFields, $key, 'Membership', $membershipTypeId);
             if (!empty($value['financial_type'])) {
                 $value['financial_type_id'] = $value['financial_type'];
             }
             if (!empty($value['payment_instrument'])) {
                 $value['payment_instrument_id'] = $value['payment_instrument'];
             }
             // handle soft credit
             if (is_array(CRM_Utils_Array::value('soft_credit_contact_id', $params)) && !empty($params['soft_credit_contact_id'][$key]) && CRM_Utils_Array::value($key, $params['soft_credit_amount'])) {
                 $value['soft_credit'][$key]['contact_id'] = $params['soft_credit_contact_id'][$key];
                 $value['soft_credit'][$key]['amount'] = CRM_Utils_Rule::cleanMoney($params['soft_credit_amount'][$key]);
             }
             if (!empty($value['receive_date'])) {
                 $value['receive_date'] = CRM_Utils_Date::processDate($value['receive_date'], $value['receive_date_time'], TRUE);
             }
             $params['actualBatchTotal'] += $value['total_amount'];
             unset($value['financial_type']);
             unset($value['payment_instrument']);
             $value['batch_id'] = $this->_batchId;
             $value['skipRecentView'] = TRUE;
             // make entry in line item for contribution
             $editedFieldParams = array('price_set_id' => $priceSetId, 'name' => $value['membership_type'][0]);
             $editedResults = array();
             CRM_Price_BAO_PriceField::retrieve($editedFieldParams, $editedResults);
             if (!empty($editedResults)) {
                 unset($this->_priceSet['fields']);
                 $this->_priceSet['fields'][$editedResults['id']] = $priceSets['fields'][$editedResults['id']];
                 unset($this->_priceSet['fields'][$editedResults['id']]['options']);
                 $fid = $editedResults['id'];
                 $editedFieldParams = array('price_field_id' => $editedResults['id'], 'membership_type_id' => $value['membership_type_id']);
                 $editedResults = array();
                 CRM_Price_BAO_PriceFieldValue::retrieve($editedFieldParams, $editedResults);
                 $this->_priceSet['fields'][$fid]['options'][$editedResults['id']] = $priceSets['fields'][$fid]['options'][$editedResults['id']];
                 if (!empty($value['total_amount'])) {
                     $this->_priceSet['fields'][$fid]['options'][$editedResults['id']]['amount'] = $value['total_amount'];
                 }
                 $fieldID = key($this->_priceSet['fields']);
                 $value['price_' . $fieldID] = $editedResults['id'];
                 $lineItem = array();
                 CRM_Price_BAO_PriceSet::processAmount($this->_priceSet['fields'], $value, $lineItem[$priceSetId]);
//.........这里部分代码省略.........

 /**
  * Process membership records.
  *
  * @param array $params
  *   Associated array of submitted values.
  *
  *
  * @return bool
  */
 private function processMembership(&$params)
 {
     $dateTypes = array('join_date' => 'joinDate', 'membership_start_date' => 'startDate', 'membership_end_date' => 'endDate');
     $dates = array('join_date', 'start_date', 'end_date', 'reminder_date');
     // get the price set associated with offline membership
     $priceSetId = CRM_Core_DAO::getFieldValue('CRM_Price_DAO_PriceSet', 'default_membership_type_amount', 'id', 'name');
     $this->_priceSet = $priceSets = current(CRM_Price_BAO_PriceSet::getSetDetail($priceSetId));
     if (isset($params['field'])) {
         $customFields = array();
         foreach ($params['field'] as $key => $value) {
             // if contact is not selected we should skip the row
             if (empty($params['primary_contact_id'][$key])) {
                 continue;
             }
             $value['contact_id'] = CRM_Utils_Array::value($key, $params['primary_contact_id']);
             // update contact information
             $this->updateContactInfo($value);
             $membershipTypeId = $value['membership_type_id'] = $value['membership_type'][1];
             foreach ($dateTypes as $dateField => $dateVariable) {
                 ${$dateVariable} = CRM_Utils_Date::processDate($value[$dateField]);
                 $fDate[$dateField] = CRM_Utils_Array::value($dateField, $value);
             }
             $calcDates = array();
             $calcDates[$membershipTypeId] = CRM_Member_BAO_MembershipType::getDatesForMembershipType($membershipTypeId, $joinDate, $startDate, $endDate);
             foreach ($calcDates as $memType => $calcDate) {
                 foreach ($dates as $d) {
                     //first give priority to form values then calDates.
                     $date = CRM_Utils_Array::value($d, $value);
                     if (!$date) {
                         $date = CRM_Utils_Array::value($d, $calcDate);
                     }
                     $value[$d] = CRM_Utils_Date::processDate($date);
                 }
             }
             if (!empty($value['send_receipt'])) {
                 $value['receipt_date'] = date('Y-m-d His');
             }
             if (!empty($value['membership_source'])) {
                 $value['source'] = $value['membership_source'];
             }
             unset($value['membership_source']);
             //Get the membership status
             if (!empty($value['membership_status'])) {
                 $value['status_id'] = $value['membership_status'];
                 unset($value['membership_status']);
             }
             if (empty($customFields)) {
                 // membership type custom data
                 $customFields = CRM_Core_BAO_CustomField::getFields('Membership', FALSE, FALSE, $membershipTypeId);
                 $customFields = CRM_Utils_Array::crmArrayMerge($customFields, CRM_Core_BAO_CustomField::getFields('Membership', FALSE, FALSE, NULL, NULL, TRUE));
             }
             //check for custom data
             $value['custom'] = CRM_Core_BAO_CustomField::postProcess($params['field'][$key], $key, 'Membership', $membershipTypeId);
             if (!empty($value['financial_type'])) {
                 $value['financial_type_id'] = $value['financial_type'];
             }
             if (!empty($value['payment_instrument'])) {
                 $value['payment_instrument_id'] = $value['payment_instrument'];
             }
             // handle soft credit
             if (!empty($params['soft_credit_contact_id'][$key]) && !empty($params['soft_credit_amount'][$key])) {
                 $value['soft_credit'][$key]['contact_id'] = $params['soft_credit_contact_id'][$key];
                 $value['soft_credit'][$key]['amount'] = CRM_Utils_Rule::cleanMoney($params['soft_credit_amount'][$key]);
                 //CRM-15350: if soft-credit-type profile field is disabled or removed then
                 //we choose Gift as default value as per Gift Membership rule
                 if (!empty($params['soft_credit_type'][$key])) {
                     $value['soft_credit'][$key]['soft_credit_type_id'] = $params['soft_credit_type'][$key];
                 } else {
                     $value['soft_credit'][$key]['soft_credit_type_id'] = CRM_Core_OptionGroup::getValue('soft_credit_type', 'Gift', 'name');
                 }
             }
             if (!empty($value['receive_date'])) {
                 $value['receive_date'] = CRM_Utils_Date::processDate($value['receive_date'], $value['receive_date_time'], TRUE);
             }
             $params['actualBatchTotal'] += $value['total_amount'];
             unset($value['financial_type']);
             unset($value['payment_instrument']);
             $value['batch_id'] = $this->_batchId;
             $value['skipRecentView'] = TRUE;
             // make entry in line item for contribution
             $editedFieldParams = array('price_set_id' => $priceSetId, 'name' => $value['membership_type'][0]);
             $editedResults = array();
             CRM_Price_BAO_PriceField::retrieve($editedFieldParams, $editedResults);
             if (!empty($editedResults)) {
                 unset($this->_priceSet['fields']);
                 $this->_priceSet['fields'][$editedResults['id']] = $priceSets['fields'][$editedResults['id']];
                 unset($this->_priceSet['fields'][$editedResults['id']]['options']);
                 $fid = $editedResults['id'];
                 $editedFieldParams = array('price_field_id' => $editedResults['id'], 'membership_type_id' => $value['membership_type_id']);
                 $editedResults = array();
                 CRM_Price_BAO_PriceFieldValue::retrieve($editedFieldParams, $editedResults);
//.........这里部分代码省略.........

 /**
  * Global form rule.
  *
  * @param array $fields
  *   The input form values.
  * @param array $files
  *   The uploaded files if any.
  * @param $self
  *
  * @return bool|array
  *   true if no errors, else array of errors
  */
 public static function formRule($fields, $files, $self)
 {
     $errors = array();
     // Check for Credit Card Contribution.
     if ($self->_mode) {
         if (empty($fields['payment_processor_id'])) {
             $errors['payment_processor_id'] = ts('Payment Processor is a required field.');
         } else {
             // validate payment instrument (e.g. credit card number)
             CRM_Core_Payment_Form::validatePaymentInstrument($fields['payment_processor_id'], $fields, $errors, NULL);
         }
     }
     // Do the amount validations.
     if (empty($fields['total_amount']) && empty($self->_lineItems)) {
         if ($priceSetId = CRM_Utils_Array::value('price_set_id', $fields)) {
             CRM_Price_BAO_PriceField::priceSetValidation($priceSetId, $fields, $errors);
         }
     }
     $softErrors = CRM_Contribute_Form_SoftCredit::formRule($fields, $errors, $self);
     if (!empty($fields['total_amount']) && (!empty($fields['net_amount']) || !empty($fields['fee_amount']))) {
         $sum = CRM_Utils_Rule::cleanMoney($fields['net_amount']) + CRM_Utils_Rule::cleanMoney($fields['fee_amount']);
         // For taxable contribution we need to deduct taxable amount from
         // (net amount + fee amount) before comparing it with total amount
         if (!empty($self->_values['tax_amount'])) {
             $componentDetails = CRM_Contribute_BAO_Contribution::getComponentDetails($self->_id);
             if (!(CRM_Utils_Array::value('membership', $componentDetails) || CRM_Utils_Array::value('participant', $componentDetails))) {
                 $sum = CRM_Utils_Money::format($sum - $self->_values['tax_amount'], NULL, '%a');
             }
         }
         if (CRM_Utils_Rule::cleanMoney($fields['total_amount']) != $sum) {
             $errors['total_amount'] = ts('The sum of fee amount and net amount must be equal to total amount');
         }
     }
     //CRM-16285 - Function to handle validation errors on form, for recurring contribution field.
     CRM_Contribute_BAO_ContributionRecur::validateRecurContribution($fields, $files, $self, $errors);
     // Form rule for status http://wiki.civicrm.org/confluence/display/CRM/CiviAccounts+4.3+Data+Flow
     if ($self->_action & CRM_Core_Action::UPDATE && $self->_id && $self->_values['contribution_status_id'] != $fields['contribution_status_id']) {
         CRM_Contribute_BAO_Contribution::checkStatusValidation($self->_values, $fields, $errors);
     }
     // CRM-16015, add form-rule to restrict change of financial type if using price field of different financial type
     if ($self->_action & CRM_Core_Action::UPDATE && $self->_id && $self->_values['financial_type_id'] != $fields['financial_type_id']) {
         CRM_Contribute_BAO_Contribution::checkFinancialTypeChange(NULL, $self->_id, $errors);
     }
     //FIXME FOR NEW DATA FLOW http://wiki.civicrm.org/confluence/display/CRM/CiviAccounts+4.3+Data+Flow
     if (!empty($fields['fee_amount']) && !empty($fields['financial_type_id']) && ($financialType = CRM_Contribute_BAO_Contribution::validateFinancialType($fields['financial_type_id']))) {
         $errors['financial_type_id'] = ts("Financial Account of account relationship of 'Expense Account is' is not configured for Financial Type : ") . $financialType;
     }
     // $trxn_id must be unique CRM-13919
     if (!empty($fields['trxn_id'])) {
         $queryParams = array(1 => array($fields['trxn_id'], 'String'));
         $query = 'select count(*) from civicrm_contribution where trxn_id = %1';
         if ($self->_id) {
             $queryParams[2] = array((int) $self->_id, 'Integer');
             $query .= ' and id !=%2';
         }
         $tCnt = CRM_Core_DAO::singleValueQuery($query, $queryParams);
         if ($tCnt) {
             $errors['trxn_id'] = ts('Transaction ID\'s must be unique. Transaction \'%1\' already exists in your database.', array(1 => $fields['trxn_id']));
         }
     }
     $errors = array_merge($errors, $softErrors);
     return $errors;
 }

 /**
  * Create price set
  *
  * @param string $component
  * @param int $componentId
  *
  * @return array
  */
 protected function createPriceSet($component = 'contribution_page', $componentId = NULL)
 {
     $paramsSet['title'] = 'Price Set' . substr(sha1(rand()), 0, 7);
     $paramsSet['name'] = CRM_Utils_String::titleToVar($paramsSet['title']);
     $paramsSet['is_active'] = TRUE;
     $paramsSet['financial_type_id'] = 4;
     $paramsSet['extends'] = 1;
     $priceSet = $this->callAPISuccess('price_set', 'create', $paramsSet);
     $priceSetId = $priceSet['id'];
     //Checking for priceset added in the table.
     $this->assertDBCompareValue('CRM_Price_BAO_PriceSet', $priceSetId, 'title', 'id', $paramsSet['title'], 'Check DB for created priceset');
     $paramsField = array('label' => 'Price Field', 'name' => CRM_Utils_String::titleToVar('Price Field'), 'html_type' => 'CheckBox', 'option_label' => array('1' => 'Price Field 1', '2' => 'Price Field 2'), 'option_value' => array('1' => 100, '2' => 200), 'option_name' => array('1' => 'Price Field 1', '2' => 'Price Field 2'), 'option_weight' => array('1' => 1, '2' => 2), 'option_amount' => array('1' => 100, '2' => 200), 'is_display_amounts' => 1, 'weight' => 1, 'options_per_line' => 1, 'is_active' => array('1' => 1, '2' => 1), 'price_set_id' => $priceSet['id'], 'is_enter_qty' => 1, 'financial_type_id' => $this->getFinancialTypeId('Event Fee'));
     $priceField = CRM_Price_BAO_PriceField::create($paramsField);
     if ($componentId) {
         CRM_Price_BAO_PriceSet::addTo('civicrm_' . $component, $componentId, $priceSetId);
     }
     return $this->callAPISuccess('PriceFieldValue', 'get', array('price_field_id' => $priceField->id));
 }

 /**
  * Build price options.
  *
  * @param CRM_Event_BAO_Event $event
  *
  * @return array
  */
 public function build_price_options($event)
 {
     $price_fields_for_event = array();
     $base_field_name = "event_{$event->id}_amount";
     $price_set_id = CRM_Price_BAO_PriceSet::getFor('civicrm_event', $event->id);
     //CRM-14492 display admin fields only if user is admin
     $adminFieldVisible = FALSE;
     if (CRM_Core_Permission::check('administer CiviCRM')) {
         $adminFieldVisible = TRUE;
     }
     if ($price_set_id) {
         $price_sets = CRM_Price_BAO_PriceSet::getSetDetail($price_set_id, TRUE, TRUE);
         $price_set = $price_sets[$price_set_id];
         $index = -1;
         foreach ($price_set['fields'] as $field) {
             $index++;
             if (CRM_Utils_Array::value('visibility', $field) == 'public' || CRM_Utils_Array::value('visibility', $field) == 'admin' && $adminFieldVisible == TRUE) {
                 $field_name = "event_{$event->id}_price_{$field['id']}";
                 CRM_Price_BAO_PriceField::addQuickFormElement($this, $field_name, $field['id'], FALSE);
                 $price_fields_for_event[] = $field_name;
             }
         }
     }
     return $price_fields_for_event;
 }