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<?php
//+------------------------------------------------------------------+
//|                                             MetaTrader 5 Web API |
//|                   Copyright 2001-2015, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
/**
 * Class get order
 */
 
namespace App;
class MTOrderProtocol  
  {
  private $m_connect; // connection to MT5 server
  /**
   * @param MTConnect $connect - connect to MT5 server
   */
  public function __construct($connect)
    {
    $this->m_connect = $connect;
    }
  /**
   * Get order
   * @param string $ticket - number of ticket
   * @param MTOrder $order
   * @return MTRetCode
   */
  public function OrderGet($ticket, &$order)
    {
    //--- send request
    $data = array(MTProtocolConsts::WEB_PARAM_TICKET => $ticket);
    if (!$this->m_connect->Send(MTProtocolConsts::WEB_CMD_ORDER_GET, $data))
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'send order get failed');
      return MTRetCode::MT_RET_ERR_NETWORK;
      }
    //--- get answer
    if (($answer = $this->m_connect->Read()) == null)
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'answer order get is empty');
      return MTRetCode::MT_RET_ERR_NETWORK;
      }
    //--- parse answer
    if (($error_code = $this->ParseOrder(MTProtocolConsts::WEB_CMD_ORDER_GET, $answer, $order_answer)) != MTRetCode::MT_RET_OK)
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'parse order get failed: [' . $error_code . ']' . MTRetCode::GetError($error_code));
      return $error_code;
      }
    //--- get object from json
    $order = $order_answer->GetFromJson();
    //---
    return MTRetCode::MT_RET_OK;
    }
  /**
   * check answer from MetaTrader 5 server
   * @param string $command - command
   * @param string $answer - answer from server
   * @param  MTOrderAnswer $order_answer
   * @return MTRetCode
   */
  private function ParseOrder($command, &$answer, &$order_answer)
    {
    $pos = 0;
    //--- get command answer
    $command_real = $this->m_connect->GetCommand($answer, $pos);
    if ($command_real != $command) return MTRetCode::MT_RET_ERR_DATA;
    //---
    $order_answer = new MTOrderAnswer();
    //--- get param
    $pos_end = -1;
    while (($param = $this->m_connect->GetNextParam($answer, $pos, $pos_end)) != null)
      {
      switch ($param['name'])
      {
        case MTProtocolConsts::WEB_PARAM_RETCODE:
          $order_answer->RetCode = $param['value'];
          break;
      }
      }
    //--- check ret code
    if (($ret_code = MTConnect::GetRetCode($order_answer->RetCode)) != MTRetCode::MT_RET_OK) return $ret_code;
    //--- get json
    if (($order_answer->ConfigJson = $this->m_connect->GetJson($answer, $pos_end)) == null) return MTRetCode::MT_RET_REPORT_NODATA;
    //---
    return MTRetCode::MT_RET_OK;
    }
  /**
   * check answer from MetaTrader 5 server
   * @param  string $answer - answer from server
   * @param  MTOrderPageAnswer $order_answer
   * @return MTRetCode
   */
  private function ParseOrderPage(&$answer, &$order_answer)
    {
    $pos = 0;
    //--- get command answer
    $command_real = $this->m_connect->GetCommand($answer, $pos);
    if ($command_real != MTProtocolConsts::WEB_CMD_ORDER_GET_PAGE) return MTRetCode::MT_RET_ERR_DATA;
    //---
    $order_answer = new MTOrderPageAnswer();
    //--- get param
    $pos_end = -1;
    while (($param = $this->m_connect->GetNextParam($answer, $pos, $pos_end)) != null)
      {
      switch ($param['name'])
      {
        case MTProtocolConsts::WEB_PARAM_RETCODE:
          $order_answer->RetCode = $param['value'];
          break;
      }
      }
    //--- check ret code
    if (($ret_code = MTConnect::GetRetCode($order_answer->RetCode)) != MTRetCode::MT_RET_OK) return $ret_code;
    //--- get json
    if (($order_answer->ConfigJson = $this->m_connect->GetJson($answer, $pos_end)) == null) return MTRetCode::MT_RET_REPORT_NODATA;
    //---
    return MTRetCode::MT_RET_OK;
    }
  /**
   * Get total order for login
   * @param string $login - user login
   * @param int $total - count of users orders
   * @return MTRetCode
   */
  public function OrderGetTotal($login, &$total)
    {
    //--- send request
    $data = array(MTProtocolConsts::WEB_PARAM_LOGIN => $login);
    if (!$this->m_connect->Send(MTProtocolConsts::WEB_CMD_ORDER_GET_TOTAL, $data))
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'send order get total failed');
      return MTRetCode::MT_RET_ERR_NETWORK;
      }
    //--- get answer
    if (($answer = $this->m_connect->Read()) == null)
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'answer order get total is empty');
      return MTRetCode::MT_RET_ERR_NETWORK;
      }
    //--- parse answer
    if (($error_code = $this->ParseOrderTotal($answer, $order_answer)) != MTRetCode::MT_RET_OK)
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'parse order get total failed: [' . $error_code . ']' . MTRetCode::GetError($error_code));
      return $error_code;
      }
    //--- get total
    $total = $order_answer->Total;
    //---
return $total;
  //  return MTRetCode::MT_RET_OK;
    }
  /**
   * Get order
   * @param int $login - number of ticket
   * @param int $offset - begin records number
   * @param int $total - total records need
   * @param array(MTOrder) $orders
   * @return MTRetCode
   */
  public function OrderGetPage($login, $offset, $total, &$orders)
    {

//--- send request
    $data = array(MTProtocolConsts::WEB_PARAM_LOGIN => $login, MTProtocolConsts::WEB_PARAM_OFFSET => $offset, MTProtocolConsts::WEB_PARAM_TOTAL => $total);
    //---
    if (!$this->m_connect->Send(MTProtocolConsts::WEB_CMD_ORDER_GET_PAGE, $data))
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'send order get page failed');
      return MTRetCode::MT_RET_ERR_NETWORK;
      }

//--- get answer
    if (($answer = $this->m_connect->Read()) == null)
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'answer order get page is empty');
 
      return MTRetCode::MT_RET_ERR_NETWORK;
      }
    //--- parse answer
    if (($error_code = $this->ParseOrderPage($answer, $order_answer)) != MTRetCode::MT_RET_OK)
      {
      if (MTLogger::getIsWriteLog()) MTLogger::write(MTLoggerType::ERROR, 'parse order get page failed: [' . $error_code . ']' . MTRetCode::GetError($error_code));
      return $error_code;
      }
    //--- get object from json
    $orders = $order_answer->GetArrayFromJson();
   return $orders;
    //---
   // return MTRetCode::MT_RET_OK;
    }
  /**
   * Check answer from MetaTrader 5 server
   * @param  $answer string server answer
   * @param  $order_answer MTOrderTotalAnswer
   * @return false
   */
  private function ParseOrderTotal(&$answer, &$order_answer)
    {

$pos = 0;
    //--- get command answer
    $command = $this->m_connect->GetCommand($answer, $pos);
    if ($command != MTProtocolConsts::WEB_CMD_ORDER_GET_TOTAL) return MTRetCode::MT_RET_ERR_DATA;
    //---
    $order_answer = new MTOrderTotalAnswer();
    //--- get param
    $pos_end = -1;
    while (($param = $this->m_connect->GetNextParam($answer, $pos, $pos_end)) != null)
      {
      switch ($param['name'])
      {
        case MTProtocolConsts::WEB_PARAM_RETCODE:
          $order_answer->RetCode = $param['value'];
          break;
        case MTProtocolConsts::WEB_PARAM_TOTAL:
          $order_answer->Total = (int)$param['value'];
          break;
      }
      }
 
    //--- check ret code
    if (($ret_code = MTConnect::GetRetCode($order_answer->RetCode)) != MTRetCode::MT_RET_OK) return $ret_code;
    //---
    return MTRetCode::MT_RET_OK;
    }
  }
  
/**
 * order types
 */
class MTEnOrderType
  {
  const OP_BUY             = 0; // buy order
  const OP_SELL            = 1; // sell order
  const OP_BUY_LIMIT       = 2; // buy limit order
  const OP_SELL_LIMIT      = 3; // sell limit order
  const OP_BUY_STOP        = 4; // buy stop order
  const OP_SELL_STOP       = 5; // sell stop order
  const OP_BUY_STOP_LIMIT  = 6; // buy stop limit order
  const OP_SELL_STOP_LIMIT = 7; // sell stop limit order
  const OP_CLOSE_BY        = 8; // close by
  //--- enumeration borders
  const OP_FIRST = MTEnOrderType::OP_BUY;
  const OP_LAST  = MTEnOrderType::OP_CLOSE_BY;
  }

/**
 * order filling types
 */
class MTEnOrderFilling
  {
  const ORDER_FILL_FOK    = 0; // fill or kill
  const ORDER_FILL_IOC    = 1; // immediate or cancel
  const ORDER_FILL_RETURN = 2; // return order in queue
  //--- enumeration borders
  const ORDER_FILL_FIRST = MTEnOrderFilling::ORDER_FILL_FOK;
  const ORDER_FILL_LAST  = MTEnOrderFilling::ORDER_FILL_RETURN;
  }

/**
 * order expiration types
 */
class MTEnOrderTime
  {
  const ORDER_TIME_GTC           = 0; // good till cancel
  const ORDER_TIME_DAY           = 1; // good till day
  const ORDER_TIME_SPECIFIED     = 2; // good till specified
  const ORDER_TIME_SPECIFIED_DAY = 3; // good till specified day
  //--- enumeration borders
  const ORDER_TIME_FIRST = MTEnOrderTime::ORDER_TIME_GTC;
  const ORDER_TIME_LAST  = MTEnOrderTime::ORDER_TIME_SPECIFIED_DAY;
  }

/**
 * order state
 */
class MTEnOrderState
  {
  const ORDER_STATE_STARTED        = 0; // order started
  const ORDER_STATE_PLACED         = 1; // order placed in system
  const ORDER_STATE_CANCELED       = 2; // order canceled by client
  const ORDER_STATE_PARTIAL        = 3; // order partially filled
  const ORDER_STATE_FILLED         = 4; // order filled
  const ORDER_STATE_REJECTED       = 5; // order rejected
  const ORDER_STATE_EXPIRED        = 6; // order expired
  const ORDER_STATE_REQUEST_ADD    = 7;
  const ORDER_STATE_REQUEST_MODIFY = 8;
  const ORDER_STATE_REQUEST_CANCEL = 9;
  //--- enumeration borders
  const ORDER_STATE_FIRST = MTEnOrderState::ORDER_STATE_STARTED;
  const ORDER_STATE_LAST  = MTEnOrderState::ORDER_STATE_REQUEST_CANCEL;
  }

/**
 * order activation state
 */
class MTEnOrderActivation
  {
  const ACTIVATION_NONE       = 0; // none
  const ACTIVATION_PENDING    = 1; // pending order activated
  const ACTIVATION_STOPLIMIT  = 2; // stop-limit order activated
  const ACTIVATION_EXPIRATION = 3;
  const ACTIVATION_STOPOUT    = 4;  // order activate for stop-out
  //--- enumeration borders
  const ACTIVATION_FIRST = MTEnOrderActivation::ACTIVATION_NONE;
  const ACTIVATION_LAST  = MTEnOrderActivation::ACTIVATION_STOPOUT;
  }

/**
 * order creation reasons
 */
class MTEnOrderReason
  {
  const ORDER_REASON_CLIENT           = 0;  // order placed manually
  const ORDER_REASON_EXPERT           = 1;  // order placed by expert
  const ORDER_REASON_DEALER           = 2;  // order placed by dealer
  const ORDER_REASON_SL               = 3;  // order placed due SL
  const ORDER_REASON_TP               = 4;  // order placed due TP
  const ORDER_REASON_SO               = 5;  // order placed due Stop-Out
  const ORDER_REASON_ROLLOVER         = 6;  // order placed due rollover
  const ORDER_REASON_EXTERNAL_CLIENT  = 7;  // order placed from the external system by client
  const ORDER_REASON_VMARGIN          = 8;  // order placed due variation margin
  const ORDER_REASON_GATEWAY          = 9;  // order placed by gateway
  const ORDER_REASON_SIGNAL           = 10; // order placed by signal service
  const ORDER_REASON_SETTLEMENT       = 11; // order placed by settlement
  const ORDER_REASON_TRANSFER         = 12; // order placed due transfer
  const ORDER_REASON_SYNC             = 13; // order placed due synchronization
  const ORDER_REASON_EXTERNAL_SERVICE = 14; // order placed from the external system due service issues
  const ORDER_REASON_MIGRATION        = 15; // order placed due account migration from MetaTrader 4 or MetaTrader 5
  const ORDER_REASON_MOBILE           = 16; // order placed manually by mobile terminal
  const ORDER_REASON_WEB              = 17; // order placed manually by web terminal
  const ORDER_REASON_SPLIT            = 18; // order placed due split
  //--- enumeration borders
  const ORDER_REASON_FIRST = MTEnOrderReason::ORDER_REASON_CLIENT;
  const ORDER_REASON_LAST  = MTEnOrderReason::ORDER_REASON_SPLIT;
  }
  
/**
 * order activation flags
 */
class MTEnTradeActivationFlags
  {
  const ACTIV_FLAGS_NO_LIMIT      = 0x01;
  const ACTIV_FLAGS_NO_STOP       = 0x02;
  const ACTIV_FLAGS_NO_SLIMIT     = 0x04;
  const ACTIV_FLAGS_NO_SL         = 0x08;
  const ACTIV_FLAGS_NO_TP         = 0x10;
  const ACTIV_FLAGS_NO_SO         = 0x20;
  const ACTIV_FLAGS_NO_EXPIRATION = 0x40;
  //--- 
  const ACTIV_FLAGS_NONE = 0x00;
  const ACTIV_FLAGS_ALL  = 0x7F;
  }
      
/**
 * modification flags
 */
class MTEnOrderTradeModifyFlags
  {
  const MODIFY_FLAGS_ADMIN          = 0x001;
  const MODIFY_FLAGS_MANAGER        = 0x002;
  const MODIFY_FLAGS_POSITION       = 0x004;
  const MODIFY_FLAGS_RESTORE        = 0x008;
  const MODIFY_FLAGS_API_ADMIN      = 0x010;
  const MODIFY_FLAGS_API_MANAGER    = 0x020;
  const MODIFY_FLAGS_API_SERVER     = 0x040;
  const MODIFY_FLAGS_API_GATEWAY    = 0x080;
  const MODIFY_FLAGS_API_SERVER_ADD = 0x100;
  //--- enumeration borders
  const MODIFY_FLAGS_NONE = 0x000;
  const MODIFY_FLAGS_ALL  = 0x1FF;
  }
      
/**
 * Order information
 */
class MTOrder
  {
  //--- order ticket
  public $Order;
  //--- order ticket in external system (exchange, ECN, etc)
  public $ExternalID;
  //--- client login
  public $Login;
  //--- processed dealer login (0-means auto)
  public $Dealer;
  //--- order symbol
  public $Symbol;
  //--- price digits
  public $Digits;
  //--- currency digits
  public $DigitsCurrency;
  //--- contract size
  public $ContractSize;
  //--- MTEnOrderState
  public $State;
  //--- MTEnOrderReason
  public $Reason;
  //--- order setup time
  public $TimeSetup;
  //--- order expiration
  public $TimeExpiration;
  //--- order filling/cancel time
  public $TimeDone;
  //--- order setup time in msc since 1970.01.01
  public $TimeSetupMsc;
  //--- order filling/cancel time in msc since 1970.01.01
  public $TimeDoneMsc;
  //--- modification flags (type is MTEnOrderTradeModifyFlags)
  public $ModifyFlags;
  //--- MTEnOrderType
  public $Type;
  //--- MTEnOrderFilling
  public $TypeFill;
  //--- MTEnOrderTime
  public $TypeTime;
  //--- order price
  public $PriceOrder;
  //--- order trigger price (stop-limit price)
  public $PriceTrigger;
  //--- order current price
  public $PriceCurrent;
  //--- order SL
  public $PriceSL;
  //--- order TP
  public $PriceTP;
  //--- order initial volume
  public $VolumeInitial;
  //--- order initial volume
  public $VolumeInitialExt;
  //--- order current volume
  public $VolumeCurrent;
  //--- order current volume
  public $VolumeCurrentExt;
  //--- expert id (filled by expert advisor)
  public $ExpertID;
  //--- expert position id (filled by expert advisor)
  public $ExpertPositionID;
  //--- position by id
  public $PositionByID;
  //--- order comment
  public $Comment;
  //--- order activation state (type is MTEnOrderActivation)
  public $ActivationMode;
  //--- order activation time
  public $ActivationTime;
  //--- order activation  price
  public $ActivationPrice;
  //--- order activation flag (type is MTEnTradeActivationFlags)
  public $ActivationFlags;
  }
  
/**
 * Answer on request order_get_total
 */
class MTOrderTotalAnswer
  {
  public $RetCode = '-1';
  public $Total = 0;
  }
  
/**
 * get order page answer
 */
class MTOrderPageAnswer
  {
  public $RetCode = '-1';
  public $ConfigJson = '';
  /**
   * From json get class MTOrder
   * @return array(MTOrder)
   */
  public function GetArrayFromJson()
    {
    $objects = MTJson::Decode($this->ConfigJson);
    if ($objects == null) return null;
    $result = array();
    //---
    foreach ($objects as $obj)
      {
      $info = MTOrderJson::GetFromJson($obj);
      //---
      $result[] = $info;
      }
    //---
    $objects = null;
    //---
    return $result;
    }
  }
  
/**
 * get order page answer
 */
class MTOrderAnswer
  {
  public $RetCode = '-1';
  public $ConfigJson = '';
  /**
   * From json get class MTOrder
   * @return array(MTOrder)
   */
  public function GetFromJson()
    {
    $obj = MTJson::Decode($this->ConfigJson);
    if ($obj == null) return null;
    //---
    return MTOrderJson::GetFromJson($obj);
    }
  }

class MTOrderJson
  {
  /**
   * Get MTOrder from json object
   * @param object $obj
   * @return MTOrder
   */
  public static function GetFromJson($obj)
    {
    if ($obj == null) return null;
    $info = new MTOrder();
    //---
    $info->Order = (int)$obj->Order;
    $info->ExternalID = (string)$obj->ExternalID;
    $info->Login = (int)$obj->Login;
    $info->Dealer = (int)$obj->Dealer;
    $info->Symbol = (string)$obj->Symbol;
    $info->Digits = (int)$obj->Digits;
    $info->DigitsCurrency = (int)$obj->DigitsCurrency;
    $info->ContractSize = (float)$obj->ContractSize;
    $info->State = (int)$obj->State;
    $info->Reason = (int)$obj->Reason;
    $info->TimeSetup = (int)$obj->TimeSetup;
    $info->TimeExpiration = (int)$obj->TimeExpiration;
    $info->TimeDone = (int)$obj->TimeDone;
    $info->TimeSetupMsc = (int)$obj->TimeSetupMsc;
    $info->TimeDoneMsc = (int)$obj->TimeDoneMsc;
    $info->ModifyFlags = (int)$obj->ModifyFlags;
    $info->Type = (int)$obj->Type;
    $info->TypeFill = (int)$obj->TypeFill;
    $info->TypeTime = (int)$obj->TypeTime;
    $info->PriceOrder = (float)$obj->PriceOrder;
    $info->PriceTrigger = (float)$obj->PriceTrigger;
    $info->PriceCurrent = (float)$obj->PriceCurrent;
    $info->PriceSL = (float)$obj->PriceSL;
    $info->PriceTP = (float)$obj->PriceTP;
    $info->VolumeInitial = (int)$obj->VolumeInitial;
    if (isset($obj->VolumeInitialExt))
      $info->VolumeInitialExt = (int)$obj->VolumeInitialExt;
    else
      $info->VolumeInitialExt = MTUtils::ToNewVolume($info->VolumeInitial);
    $info->VolumeCurrent = (int)$obj->VolumeCurrent;
    if (isset($obj->VolumeCurrentExt))
       $info->VolumeCurrentExt = (int)$obj->VolumeCurrentExt;
    else
       $info->VolumeCurrentExt = MTUtils::ToNewVolume($info->VolumeCurrent);
    $info->ExpertID = (float)$obj->ExpertID;
    $info->ExpertPositionID = (float)$obj->PositionID;
    $info->PositionByID = (float)$obj->PositionByID;
    $info->Comment = (string)$obj->Comment;
    $info->ActivationMode = (int)$obj->ActivationMode;
    $info->ActivationTime = (int)$obj->ActivationTime;
    $info->ActivationPrice = (float)$obj->ActivationPrice;
    $info->ActivationFlags = (int)$obj->ActivationFlags;
    //---
    return $info;
    }
  }