mirror of
https://github.com/Oreolek/ifhub.club.git
synced 2024-06-29 04:55:02 +03:00
427 lines
13 KiB
PHP
427 lines
13 KiB
PHP
<?php
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/*-------------------------------------------------------
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*
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* LiveStreet Engine Social Networking
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* Copyright © 2008 Mzhelskiy Maxim
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*
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*--------------------------------------------------------
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*
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* Official site: www.livestreet.ru
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* Contact e-mail: rus.engine@gmail.com
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*
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* GNU General Public License, version 2:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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*
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---------------------------------------------------------
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*/
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/**
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* Абстрактный класс сущности ORM
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*
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*/
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abstract class EntityORM extends Entity {
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const RELATION_TYPE_BELONGS_TO='belongs_to';
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const RELATION_TYPE_HAS_MANY='has_many';
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const RELATION_TYPE_HAS_ONE='has_one';
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const RELATION_TYPE_MANY_TO_MANY='many_to_many';
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const RELATION_TYPE_TREE='tree';
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protected $_aOriginalData=array();
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protected $aFields=array();
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protected $aRelations=array();
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protected $aRelationsData=array();
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// Объекты связей many_to_many
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protected $_aManyToManyRelations = array();
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protected $sPrimaryKey='id';
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protected $bIsNew=true;
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public function __construct($aParam=false) {
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parent::__construct($aParam);
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$this->aRelations=$this->_getRelations();
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}
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public function _getPrimaryKey() {
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if(!$this->_getDataOne($this->sPrimaryKey)) {
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if($this->_getFields()) {
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if(array_key_exists('#primary_key',$this->aFields)) {
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$this->sPrimaryKey = $this->aFields['#primary_key'];
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} else {
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$this->sPrimaryKey = $this->_getField($this->sPrimaryKey,2);
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}
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}
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}
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return $this->sPrimaryKey;
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}
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public function _getPrimaryKeyValue() {
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return $this->_getDataOne($this->_getPrimaryKey());
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}
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public function _isNew() {
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return $this->bIsNew;
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}
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public function _SetIsNew($bIsNew) {
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$this->bIsNew=$bIsNew;
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}
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public function Add() {
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if ($this->beforeSave())
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if ($res=$this->_Method(__FUNCTION__)) {
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$this->afterSave();
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return $res;
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}
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return false;
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}
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public function Update() {
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if ($this->beforeSave())
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if ($res=$this->_Method(__FUNCTION__)) {
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$this->afterSave();
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return $res;
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}
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return false;
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}
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public function Save() {
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if ($this->beforeSave())
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if ($res=$this->_Method(__FUNCTION__)) {
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$this->afterSave();
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return $res;
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}
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return false;
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}
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public function Delete() {
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if ($this->beforeDelete())
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if ($res=$this->_Method(__FUNCTION__)) {
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$this->afterDelete();
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return $res;
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}
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return false;
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}
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public function Reload() {
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return $this->_Method(__FUNCTION__);
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}
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public function ShowColumns() {
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return $this->_Method(__FUNCTION__ .'From');
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}
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protected function beforeSave() {
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return true;
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}
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protected function afterSave() {
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}
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protected function beforeDelete() {
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return true;
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}
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protected function afterDelete() {
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}
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public function getChildren() {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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return $this->_Method(__FUNCTION__ .'Of');
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}
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return $this->__call(__FUNCTION__);
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}
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public function getDescendants() {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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return $this->_Method(__FUNCTION__ .'Of');
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}
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return $this->__call(__FUNCTION__);
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}
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public function getParent() {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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return $this->_Method(__FUNCTION__ .'Of');
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}
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return $this->__call(__FUNCTION__);
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}
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public function getAncestors() {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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return $this->_Method(__FUNCTION__ .'Of');
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}
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return $this->__call(__FUNCTION__);
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}
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public function setChildren($aChildren=array()) {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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$this->aRelationsData['children'] = $aChildren;
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} else {
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$aArgs = func_get_args();
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return $this->__call(__FUNCTION__,$aArgs);
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}
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}
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public function setDescendants($aDescendants=array()) {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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$this->aRelationsData['descendants'] = $aDescendants;
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} else {
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$aArgs = func_get_args();
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return $this->__call(__FUNCTION__,$aArgs);
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}
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}
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public function setParent($oParent=null) {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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$this->aRelationsData['parent'] = $oParent;
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} else {
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$aArgs = func_get_args();
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return $this->__call(__FUNCTION__,$aArgs);
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}
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}
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public function setAncestors($oParent=null) {
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if(in_array(self::RELATION_TYPE_TREE,$this->aRelations)) {
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$this->aRelationsData['ancestors'] = $oParent;
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} else {
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$aArgs = func_get_args();
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return $this->__call(__FUNCTION__,$aArgs);
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}
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}
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protected function _Method($sName) {
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$sModuleName=Engine::GetModuleName($this);
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$sEntityName=Engine::GetEntityName($this);
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$sPluginPrefix=Engine::GetPluginPrefix($this);
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/**
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* If Module not exists, try to find its root Delegater
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*/
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$aClassInfo = Engine::GetClassInfo($sPluginPrefix.'Module_'.$sModuleName,Engine::CI_MODULE);
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if(empty($aClassInfo[Engine::CI_MODULE]) && $sRootDelegater=$this->Plugin_GetRootDelegater('entity',get_class($this))) {
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$sModuleName=Engine::GetModuleName($sRootDelegater);
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$sPluginPrefix=Engine::GetPluginPrefix($sRootDelegater);
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}
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return Engine::GetInstance()->_CallModule("{$sPluginPrefix}{$sModuleName}_{$sName}{$sEntityName}",array($this));
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}
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public function _setData($aData) {
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if(is_array($aData)) {
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foreach ($aData as $sKey => $val) {
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if (array_key_exists($sKey,$this->aRelations)) {
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$this->aRelationsData[$sKey]=$val;
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} else {
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$this->_aData[$sKey] = $val;
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}
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}
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$this->_aOriginalData = $this->_aData;
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}
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}
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public function _getOriginalData() {
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return $this->_aOriginalData;
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}
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public function _getFields() {
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if(empty($this->aFields)) {
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$this->aFields=$this->ShowColumns();
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}
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return $this->aFields;
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}
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public function _getField($sField,$iPersistence=3) {
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if($aFields=$this->_getFields()) {
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if(in_array($sField,$aFields)) {
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return $sField;
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}
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if($iPersistence==0) {
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return null;
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}
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$sFieldU = func_camelize($sField);
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$sEntityField = func_underscore(Engine::GetEntityName($this).$sFieldU);
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if(in_array($sEntityField,$aFields)) {
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return $sEntityField;
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}
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if($iPersistence==1) {
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return null;
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}
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$sModuleEntityField = func_underscore(Engine::GetModuleName($this).Engine::GetEntityName($this).$sFieldU);
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if(in_array($sModuleEntityField,$aFields)) {
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return $sModuleEntityField;
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}
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if($iPersistence==2) {
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return null;
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}
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$sModuleField = func_underscore(Engine::GetModuleName($this).$sFieldU);
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if(in_array($sModuleField,$aFields)) {
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return $sModuleField;
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}
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}
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return $sField;
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}
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public function _getRelations() {
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$sParent=get_parent_class($this);
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if(substr_count($sParent,'_Inherits_') || substr_count($sParent,'_Inherit_')) {
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$sParent = get_parent_class($sParent);
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}
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$aParentRelations=array();
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if(!in_array($sParent,array('Entity','EntityORM'))) {
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$oEntityParent=new $sParent();
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$aParentRelations=$oEntityParent->_getRelations();
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}
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return array_merge($aParentRelations,$this->aRelations);
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}
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public function _getRelationsData() {
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return $this->aRelationsData;
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}
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public function _setRelationsData($aData) {
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$this->aRelationsData=$aData;
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}
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public function __call($sName,$aArgs) {
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$sType=substr($sName,0,strpos(func_underscore($sName),'_'));
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if (!strpos($sName,'_') and in_array($sType,array('get','set','reload'))) {
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$sKey=func_underscore(preg_replace('/'.$sType.'/','',$sName, 1));
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if ($sType=='get') {
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if (isset($this->_aData[$sKey])) {
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return $this->_aData[$sKey];
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} else {
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$sField=$this->_getField($sKey);
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if($sField!=$sKey && isset($this->_aData[$sField])) {
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return $this->_aData[$sField];
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}
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}
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/**
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* Проверяем на связи
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*/
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if (array_key_exists($sKey,$this->aRelations)) {
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$sEntityRel=$this->aRelations[$sKey][1];
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$sRelationType=$this->aRelations[$sKey][0];
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$sRelationKey=$this->aRelations[$sKey][2];
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$sRelationJoinTable=null;
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$sRelationJoinTableKey=0; // foreign key в join-таблице для текущей сущности
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if($sRelationType == self::RELATION_TYPE_MANY_TO_MANY && array_key_exists(3, $this->aRelations[$sKey])) {
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$sRelationJoinTable=$this->aRelations[$sKey][3];
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$sRelationJoinTableKey=isset($this->aRelations[$sKey][4]) ? $this->aRelations[$sKey][4] : $this->_getPrimaryKey();
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}
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/**
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* Если связь уже загруженна, то возвращаем сразу результат
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*/
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if (array_key_exists($sKey,$this->aRelationsData)) {
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return $this->aRelationsData[$sKey];
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}
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$sRelModuleName=Engine::GetModuleName($sEntityRel);
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$sRelEntityName=Engine::GetEntityName($sEntityRel);
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$sRelPluginPrefix=Engine::GetPluginPrefix($sEntityRel);
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$sRelPrimaryKey='id';
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if($oRelEntity=Engine::GetEntity($sEntityRel) and method_exists($oRelEntity,'_getPrimaryKey')) { // для совместимости с сущностями Entity
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$sRelPrimaryKey=$oRelEntity->_getPrimaryKey();
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}
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$iPrimaryKeyValue=$this->_getDataOne($this->_getPrimaryKey());
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$sCmd='';
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$mCmdArgs=array();
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switch ($sRelationType) {
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case self::RELATION_TYPE_BELONGS_TO :
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$sCmd="{$sRelPluginPrefix}{$sRelModuleName}_get{$sRelEntityName}By".func_camelize($sRelPrimaryKey);
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$mCmdArgs=$this->_getDataOne($sRelationKey);
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break;
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case self::RELATION_TYPE_HAS_ONE :
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$sCmd="{$sRelPluginPrefix}{$sRelModuleName}_get{$sRelEntityName}By".func_camelize($sRelationKey);
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$mCmdArgs=$iPrimaryKeyValue;
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break;
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case self::RELATION_TYPE_HAS_MANY :
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$sCmd="{$sRelPluginPrefix}{$sRelModuleName}_get{$sRelEntityName}ItemsByFilter";
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$mCmdArgs=array($sRelationKey => $iPrimaryKeyValue);
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break;
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case self::RELATION_TYPE_MANY_TO_MANY :
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$sCmd="{$sRelPluginPrefix}Module{$sRelModuleName}_get{$sRelEntityName}ItemsByJoinTable";
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$mCmdArgs=array(
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'#join_table' => Config::Get($sRelationJoinTable),
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'#relation_key' => $sRelationKey,
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'#by_key' => $sRelationJoinTableKey,
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'#by_value' => $iPrimaryKeyValue,
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'#index-from-primary' => true // Для MANY_TO_MANY необходимо индексами в $aRelationsData иметь первичные ключи сущностей
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);
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break;
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default:
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break;
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}
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// Нужно ли учитывать дополнительный фильтр
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$bUseFilter = is_array($mCmdArgs) && array_key_exists(0,$aArgs) && is_array($aArgs[0]);
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if($bUseFilter) {
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$mCmdArgs = array_merge($mCmdArgs, $aArgs[0]);
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}
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$res=Engine::GetInstance()->_CallModule($sCmd, array($mCmdArgs));
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// Сохраняем данные только в случае "чистой" выборки
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if(!$bUseFilter) {
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$this->aRelationsData[$sKey]=$res;
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// Создаём объекты-обёртки для связей MANY_TO_MANY
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if ($sRelationType == self::RELATION_TYPE_MANY_TO_MANY) {
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$this->_aManyToManyRelations[$sKey] = new LS_ManyToManyRelation($this->aRelationsData[$sKey]);
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}
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}
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return $res;
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}
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return null;
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} elseif ($sType=='set' and array_key_exists(0,$aArgs)) {
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if (array_key_exists($sKey,$this->aRelations)) {
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$this->aRelationsData[$sKey]=$aArgs[0];
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} else {
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$this->_aData[$this->_getField($sKey)]=$aArgs[0];
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}
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} elseif ($sType=='reload') {
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if (array_key_exists($sKey,$this->aRelationsData)) {
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unset($this->aRelationsData[$sKey]);
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return $this->__call('get'.func_camelize($sKey),$aArgs);
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}
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}
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} else {
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return Engine::getInstance()->_CallModule($sName,$aArgs);
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}
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}
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public function __get($sName)
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{
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// Обработка обращений к обёрткам связей MANY_TO_MANY
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// Если связь загружена, возвращаем объект связи
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if (isset($this->_aManyToManyRelations[func_underscore($sName)])) {
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return $this->_aManyToManyRelations[func_underscore($sName)];
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// Есл не загружена, но связь с таким именем существет, пробуем загрузить и вернуть объект связи
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} elseif (isset($this->aRelations[func_underscore($sName)]) && $this->aRelations[func_underscore($sName)][0] == self::RELATION_TYPE_MANY_TO_MANY) {
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$sMethod = 'get' . func_camelize($sName);
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$this->__call($sMethod, array());
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if (isset($this->_aManyToManyRelations[func_underscore($sName)])) {
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return $this->_aManyToManyRelations[func_underscore($sName)];
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}
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// В противном случае возвращаем то, что просили у объекта
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} else {
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return $this->$sName;
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}
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}
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public function resetRelationsData($sKey)
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{
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if (isset($this->aRelationsData[$sKey])) {
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unset($this->aRelationsData[$sKey]);
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}
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}
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}
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?>
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