/// <summary>
/// Subscrube a follower to a specified system
/// </summary>
/// <param name="followerID">followers ID</param>
/// <param name="systemID">systems ID</param>
public void Subscribe(String followerID, Int32 systemID)
{
FollowerPropereties followerProps;
//Перевірити чи існує такий користувач
TradingClass follower = Program.GetFollowerById(followerID);
if (follower == null)
{
lock (_syncFollowerList)
{
IEnumerable<FollowerPropereties> followerToStart = from f in _notInitializedFollowers
where f.FollowerID == followerID
select f;
if (followerToStart.Count() == 0)
throw new Exception("Cannot find follower by id '" + followerID + "' at list of followers");
if (followerToStart.Count() != 0)
throw new Exception("There are more than 1 follower (" + followerToStart.Count());
//Створити фоловера
followerProps = followerToStart.ElementAt(0);
_notInitializedFollowers.Remove(followerProps);
}
follower = new TradingClass(followerProps.FollowerID, followerProps.FollowerBrokerLogin, followerProps.FollowerBrokerLogin,
url, followerProps.FollowerEmail, Program.dbHandler, followerProps.FollowerSynchMode);
}
//Перевірити чи користувач вже не підписаний на цю систему
List<TradingClass> listOfFollowers;
lock (Program.usersLock)
{
try
{
listOfFollowers = Program.idUsers[systemID];
}
catch (KeyNotFoundException)
{
listOfFollowers = new List<TradingClass>();
}
IEnumerable<TradingClass> finded = from searchedFollower in listOfFollowers
where searchedFollower.FollowerID == followerID
select searchedFollower;
if (finded.Count() != 0) throw new Exception("follower '"+followerID+"' allready subscribe to system "+systemID);
// Підписати фоловера
listOfFollowers.Add(follower);
}
}
/// <summary>
/// This method create a dictionary. The kay in the dictionary is the user listened systemID, the values of the Dictionary
/// is a list of users TradingClass that represents the current user account, that listen the current key SystemID
/// </summary>
/// <returns>a dictionary : key - user listened SystemID, value - a list of users thet listening current SystemID(key)</returns>
public Dictionary<Int32, List<TradingClass>> getConnectedUsers(ErrorDbHandler mainDBhandler, ErrorHandler errorHandler)
{
Dictionary<Int32, List<TradingClass>> initializedFollowers = new Dictionary<Int32, List<TradingClass>>();
List<CompleteFollower> followers = new List<CompleteFollower>();
SqlDataReader reader = null;
SqlCommand sqlCmd = null;
StringBuilder sqlStrBuilder = new StringBuilder();
//Отримати користувачів
sqlStrBuilder.Append("SELECT TEMP.AccountId_, TEMP.AccountType_, TEMP.SubscriptionType_,\n")
.Append("TEMP.BrockerName_, TEMP.BrockerLogin_ , TEMP.BrockerPassswd_,\n")
.Append("TEMP.SyncMethod_, [USERS].[dbo].[aspnet_Membership].[Email]\n")
.Append("FROM [USERS].[dbo].[aspnet_Membership],\n")
.Append("( SELECT [USERS].[dbo].[USERBROKERS].[AccountId] AS AccountId_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[UserId] AS UserId_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[BrokerLogin] AS BrockerLogin_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[BrokerName] AS BrockerName_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[BrokerPassword] AS BrockerPassswd_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[SubscriptionType] AS SubscriptionType_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[AccountType] AS AccountType_,\n")
.Append("[USERS].[dbo].[USERBROKERS].[SyncMethod] AS SyncMethod_\n")
.Append(" FROM [USERS].[dbo].[USERBROKERS]\n")
.Append("WHERE [USERS].[dbo].[USERBROKERS].[BrokerName] = '").Append(PLATFORM).Append("'\n")
.Append("AND [USERS].[dbo].[USERBROKERS].[SubscriptionType] = 'Signal receiver'\n")
.Append(") AS TEMP\n")
.Append("WHERE [USERS].[dbo].[aspnet_Membership].[UserId] = TEMP.UserId_");
sqlCmd = new SqlCommand(sqlStrBuilder.ToString(), conn);
lock (sqlQueryLock)
{
try
{
reader = sqlCmd.ExecuteReader();
while (reader.Read())
{
followers.Add(new CompleteFollower(reader, fieldsMatching));
}
sqlCmd.Dispose();
reader.Close();
}
catch (Exception e0)
{
String errorStr = "Exception in DatabaseClass while try to get registered users/account from db";
Program.log.Error(errorStr);
Program.log.Debug("SQL command is " + sqlCmd.CommandText);
Program.log.Debug(e0.Message);
Program.log.Debug(e0.StackTrace);
Program.WriteError(errorStr + "\n" + e0.Message);
}
if (followers.Count == 0) return initializedFollowers;
//Отримати список провайдерів на які підписані отримані користувачі
sqlStrBuilder.Clear();
sqlStrBuilder.Append("SELECT [USERS].[DBO].[AccountIdToSystemId].[AccountId],\n")
.Append("[USERS].[DBO].[AccountIdToSystemId].[SystemId]\n")
.Append("FROM [USERS].[dbo].[AccountIdToSystemId]\n")
.Append("WHERE [USERS].[DBO].[AccountIdToSystemId].[AccountId] = '").Append(followers[0].AccountId).Append("'\n");
for (int i = 1; i < followers.Count; ++i)
{
sqlStrBuilder.Append("OR [USERS].[DBO].[AccountIdToSystemId].[AccountId] = '").Append(followers[i].AccountId).Append("'\n");
}
sqlCmd = new SqlCommand(sqlStrBuilder.ToString(), conn);
reader = sqlCmd.ExecuteReader();
Dictionary<String, List<Int32>> readedMathing = new Dictionary<string, List<int>>();
List<Int32> systems = new List<int>();
String readedAccountId;
while (reader.Read())
{
readedAccountId = Convert.ToString(reader["AccountId"]);
try
{
systems = readedMathing[readedAccountId];
}
catch (KeyNotFoundException)
{
systems = new List<int>();
}
systems.Add(Convert.ToInt32(reader["SystemId"].ToString().GetHashCode()));
readedMathing[readedAccountId] = systems;
}
sqlCmd.Dispose();
reader.Close();
for (int i = 0; i < followers.Count; ++i)
{
//Можлива ситуація що фоловер ще не підписаний ні наякі системи
try { followers[i].AddListenedSystems(readedMathing[followers[i].AccountId]); }
catch (KeyNotFoundException) { followers.RemoveAt(i--); }
}
//Ініціалізувати кожного фоловера (створити для них обєкти їх АРІ)
TradingClass initializedFollower;
List<TradingClass> initializedFollowersList;
foreach (CompleteFollower follower in followers)
{
initializedFollower = new TradingClass(
follower.AccountId, follower.BrokerLogin, follower.BrokerPassword,
"https://testapi.lmaxtrader.com/", follower.Email, mainDBhandler,
Presets.GetSyncMode(follower.SynchronizationType)
);
initializedFollower.Login();
foreach (Int32 system in follower.ListenedSystems)
{
try
{
initializedFollowersList = initializedFollowers[system];
}
catch (KeyNotFoundException)
{
initializedFollowersList = new List<TradingClass>();
}
initializedFollowersList.Add(initializedFollower);
initializedFollowers[system] = initializedFollowersList;
}
}
return initializedFollowers;
}
}
