public Account GetAccountDetail(string hash, string userLogin, long localTime,
int accountId, bool calculateEquity,
out decimal brokerLeverage, out decimal exposure)
{
brokerLeverage = 0;
exposure = 0;
try
{
using (var ctx = DatabaseContext.Instance.Make())
{
var user = ctx.PLATFORM_USER.FirstOrDefault(u => u.Login == userLogin);
if (user == null)
{
return(null);
}
var userHash = CredentialsHash.MakeCredentialsHash(userLogin, user.Password, localTime);
if (userHash != hash)
{
return(null);
}
// авторизован?
if (!PlatformUser.IsManager(user.RoleMask) && !PlatformUser.IsAdmin(user.RoleMask))
{
if (!ctx.PLATFORM_USER_ACCOUNT.Any(pa => pa.PlatformUser == user.ID && pa.Account == accountId))
{
return(null);
}
}
var account = LinqToEntity.DecorateAccount(ctx.ACCOUNT.First(a => a.ID == accountId));
if (!calculateEquity)
{
return(account);
}
// получить открытые ордера по счету
var orders = ctx.POSITION.Where(p => p.AccountID == accountId && p.State ==
(int)PositionState.Opened).ToList().Select(LinqToEntity.DecorateOrder).ToList();
// посчитать открытый результат и экспозицию в валюте депо
var quotes = QuoteStorage.Instance.ReceiveAllData();
var errors = new List <string>();
exposure = DalSpot.Instance.CalculateExposure(orders, quotes, account.Currency, errors);
var group = ctx.ACCOUNT_GROUP.First(g => g.Code == account.Group);
brokerLeverage = group.BrokerLeverage;
account.UsedMargin = exposure / brokerLeverage;
return(account);
}
}
catch (Exception ex)
{
Logger.Error("Ошибка в GetAccountDetail()", ex);
return(null);
}
}
public bool SetBalance(string hash, string userLogin, long localTime,
int accountId, decimal newBalance, string comment, out string errorString)
{
errorString = string.Empty;
try
{
using (var ctx = DatabaseContext.Instance.Make())
{
var user = ctx.PLATFORM_USER.FirstOrDefault(u => u.Login == userLogin);
if (user == null)
{
errorString = "Unauthorised (not found)";
return(false);
}
var userHash = CredentialsHash.MakeCredentialsHash(userLogin, user.Password, localTime);
if (userHash != hash)
{
errorString = "Unauthorised (wrong credentials)";
return(false);
}
if (!PlatformUser.IsAdmin(user.RoleMask) &&
!PlatformUser.IsManager(user.RoleMask))
{
errorString = "Unauthorised (insufficient rights)";
return(false);
}
var account = ctx.ACCOUNT.FirstOrDefault(a => a.ID == accountId);
if (account == null)
{
errorString = "Account " + accountId + " was not found";
return(false);
}
var delta = newBalance - account.Balance;
if (delta == 0)
{
return(true);
}
// сформировать транзакцию и поправить баланс
var sign = Math.Sign(delta);
var amount = Math.Abs(delta);
var trans = new BALANCE_CHANGE
{
AccountID = accountId,
ChangeType = sign > 0 ? (int)BalanceChangeType.Deposit : (int)BalanceChangeType.Withdrawal,
Amount = amount,
ValueDate = DateTime.Now,
Description = comment
};
account.Balance = newBalance;
ctx.BALANCE_CHANGE.Add(trans);
ctx.SaveChanges();
return(true);
}
}
catch (Exception ex)
{
Logger.Error("Ошибка в SetBalance()", ex);
}
return(false);
}