public void ImportStations_Own(List<EDStation> Stations, Dictionary<Int32, Int32> changedSystemIDs, Boolean OnlyAddUnknown = false, Boolean setVisitedFlag = false)
{
DBConnector lDBCon = null;
String sqlString;
dsEliteDB.tbstationsRow[] FoundRows;
dsEliteDB.tbsystemsRow[] FoundSysRows;
DateTime Timestamp_new, Timestamp_old;
Int32 ImportCounter = 0;
Int32 currentSelfCreatedIndex = -1;
dsEliteDB Data = new dsEliteDB();
Int32 Counter = 0;
try
{
lDBCon = new DBConnector(Program.DBCon.ConfigData, true);
// gettin' some freaky performance
lDBCon.Execute("set global innodb_flush_log_at_trx_commit=2");
lDBCon.TransBegin();
sqlString = "select * from tbStations lock in share mode";
lDBCon.TableRead(sqlString, Data.tbstations);
sqlString = "select * from tbStations_org lock in share mode";
lDBCon.TableRead(sqlString, Data.tbstations_org);
sqlString = "select * from tbStationEconomy lock in share mode";
lDBCon.TableRead(sqlString, Data.tbstationeconomy);
// get the smallest ID for self added stations
sqlString = "select min(id) As min_id from tbStations";
lDBCon.Execute(sqlString, "minID", Data);
if (Convert.IsDBNull(Data.Tables["minID"].Rows[0]["min_id"]))
currentSelfCreatedIndex = -1;
else
{
currentSelfCreatedIndex = ((Int32)Data.Tables["minID"].Rows[0]["min_id"]) - 1;
if (currentSelfCreatedIndex >= 0)
currentSelfCreatedIndex = -1;
}
sendProgressEvent(new ProgressEventArgs() { Info="import self-added stations", CurrentValue=Counter, TotalValue=Stations.Count });
foreach (EDStation Station in Stations)
{
Int32 SystemID;
if(Station.Name == "Glass City")
Debug.Print("stop");
// is the system id changed ? --> get the new system id, otherwise the original
if (changedSystemIDs.TryGetValue(Station.SystemId, out SystemID))
Station.SystemId = SystemID;
// if there are missing system ids, try to get them
if ((Station.SystemId == 0) && (!String.IsNullOrEmpty(Station.SystemName)))
{
FoundSysRows = (dsEliteDB.tbsystemsRow[])Data.tbsystems.Select("systemname=" + DBConnector.SQLAString(DBConnector.DTEscape(Station.SystemName)));
if((FoundSysRows != null) && (FoundSysRows.Count() > 0))
{
// got it - set the id
Station.SystemId = FoundSysRows[0].id;
}
}
if (!String.IsNullOrEmpty(Station.Name.Trim()) && (Station.SystemId != 0))
{
// self-created stations don't have the correct id so they must be identified by name
FoundRows = (dsEliteDB.tbstationsRow[])Data.tbstations.Select("stationname=" + DBConnector.SQLAString(DBConnector.DTEscape(Station.Name)) + " and " +
"system_id = " + Station.SystemId);
if ((FoundRows != null) && (FoundRows.Count() > 0))
{
// Location is existing, get the same Id
Station.Id = (Int32)FoundRows[0]["id"];
if (!OnlyAddUnknown)
{
if ((bool)(FoundRows[0]["is_changed"]))
{
// existing data data is also changed by user - keep the newer version
Timestamp_old = (DateTime)(FoundRows[0]["updated_at"]);
Timestamp_new = DateTimeOffset.FromUnixTimeSeconds(Station.UpdatedAt).DateTime;
if (Timestamp_new > Timestamp_old)
{
// data from file is newer
CopyEDStationToDataRow(Station, (DataRow)FoundRows[0], true, null, true);
CopyEDStationEconomiesToDataRows(Station, Data.tbstationeconomy);
// commodities are not considered because there was no possibility for input in the old RN
ImportCounter += 1;
}
}
else
{
// new data is user changed data, old data is original data
// copy the original data ("tbStations") to the saving data table ("tbStations_org")
// and get the correct system ID
Data.tbstations_org.LoadDataRow(FoundRows[0].ItemArray, false);
CopyEDStationToDataRow(Station, (DataRow)FoundRows[0], true, null, true);
CopyEDStationEconomiesToDataRows(Station, Data.tbstationeconomy);
// commodities are not considered because there was no possibility for input in the old RN
ImportCounter += 1;
}
}
}
else
{
// add a new station
Station.Id = currentSelfCreatedIndex;
dsEliteDB.tbstationsRow newRow = (dsEliteDB.tbstationsRow)Data.tbstations.NewRow();
CopyEDStationToDataRow(Station, (DataRow)newRow, true, null, true);
newRow.visited = setVisitedFlag;
newRow.updated_at = DateTime.UtcNow;
Data.tbstations.Rows.Add(newRow);
currentSelfCreatedIndex -= 1;
ImportCounter += 1;
CopyEDStationEconomiesToDataRows(Station, Data.tbstationeconomy);
// commodities are not considered because there was no possibility for input in the old RN
ImportCounter += 1;
}
if ((ImportCounter > 0) && ((ImportCounter % 100) == 0))
{
// save changes
Debug.Print("added Stations : " + ImportCounter.ToString());
lDBCon.TableUpdate(Data.tbstations);
lDBCon.TableUpdate(Data.tbstations_org);
lDBCon.TableUpdate(Data.tbstationeconomy);
}
}
else
Debug.Print("why");
Counter++;
sendProgressEvent(new ProgressEventArgs() { Info="import self-added stations", CurrentValue=Counter, TotalValue=Stations.Count });
}
// save changes
lDBCon.TableUpdate(Data.tbstations);
lDBCon.TableUpdate(Data.tbstations_org);
lDBCon.TableUpdate(Data.tbstationeconomy);
lDBCon.TransCommit();
// reset freaky performance
lDBCon.Execute("set global innodb_flush_log_at_trx_commit=1");
lDBCon.Dispose();
}
catch (Exception ex)
{
if(lDBCon != null)
{
if (lDBCon.TransActive())
lDBCon.TransRollback();
try
{
lDBCon.Dispose();
// reset freaky performance
lDBCon.Execute("set global innodb_flush_log_at_trx_commit=1");
lDBCon.Dispose();
}
catch (Exception) { }
}
throw new Exception("Error while importing Station data", ex);
}
}
