/// <summary>
/// When adding a line station we would like to check
/// if there is data on distance and time from adjacent stations.
/// If there is, we will update the next and previous station of this new station.
/// If not, we will update the user.
/// In addition we will keep flags of what information is missing,
/// in order to request it from the user
/// </summary>
/// <param name="lineStation">the new line station</param>
/// <param name="prevMiss">flag if prev is missing</param>
/// <param name="nextMiss">flag if next is missing</param>
public void AddDistEndTimeToNewLineStation(BO.LineStation lineStation, out bool prevMiss, out bool nextMiss)
{
// Flags to know if there infromation of distance and time in the database
prevMiss = nextMiss = false;
BO.AdjacentStations nextStationAdst, prevStationAdst;
try
{
nextStationAdst = GetAdjacentStations(lineStation.Station, lineStation.NextStation);
lineStation.DistanceFromNext = nextStationAdst.Distance;
lineStation.TimeFromNext = nextStationAdst.Time;
// updade the next station with the new next station
var prevStation = GetLineStation(lineStation.PrevStation, lineStation.LineId);
prevStation.NextStation = lineStation.Station;
UpdateLineStation(prevStation);
}
catch (BO.BadAdjacentStationsException)
{
nextMiss = true;
}
try
{
prevStationAdst = GetAdjacentStations(lineStation.PrevStation, lineStation.Station);
lineStation.DistanceFromPrev = prevStationAdst.Distance;
lineStation.TimeFromPrev = prevStationAdst.Time;
//updade the prev station with the new prev station
var nextStation = GetLineStation(lineStation.PrevStation, lineStation.LineId);
nextStation.PrevStation = lineStation.Station;
UpdateLineStation(nextStation);
}
catch (BO.BadAdjacentStationsException)
{
prevMiss = true;
}
catch (BO.BadLineStationException ex)
{
throw ex;
}
if (prevMiss && nextMiss)
{
throw new BO.BadLineStationException(lineStation.Station, lineStation.LineId,
$"Missing distance and time\n" +
$"information from the stations:\n" +
$"{lineStation.PrevStation} and {lineStation.NextStation}");
}
else if (prevMiss)
{
throw new BO.BadLineStationException(lineStation.Station, lineStation.LineId,
$"Missing distance and time information from station {lineStation.PrevStation}");
}
else if (nextMiss)
{
throw new BO.BadLineStationException(lineStation.Station, lineStation.LineId,
$"Missing distance and time information from station {lineStation.NextStation}");
}
}
/// <summary>
/// Upadte a line station
/// </summary>
/// <param name="lineStation"></param>
public void UpdateLineStation(BO.LineStation lineStation)
{
try
{
var lineStationDo = lineStation.CopyPropertiesToNew(typeof(DO.LineStation)) as DO.LineStation;
dl.UpdateLineStation(lineStationDo);
}
catch (DO.BadLineStationException ex)
{
throw new BO.BadLineStationException(lineStation.Station, lineStation.LineId, ex.Message);
}
}
/// <summary>
/// Remove line station
/// </summary>
/// <param name="station"></param>
public void RemoveLineStation(BO.LineStation station)
{
try
{ /* A line must remain with at least two stations
* and therefore it is not possible to delete a station
* from a line that has only 2 left */
if (GetLine(station.LineId).LineStations.Count() <= 2)
{
throw new BO.BadLineStationException(station.Station, station.LineId,
"A line must remain with at least two stations");
}
var lineStationDo = station.CopyPropertiesToNew(typeof(DO.LineStation)) as DO.LineStation;
dl.RemoveLineStation(lineStationDo);
}
catch (DO.BadLineStationException ex)
{
throw new BO.BadLineStationException(station.Station, station.LineId, ex.Message);
}
}
public void DeleteLineStation(BO.LineStation lineStation)
{
dl.DeleteLineStation(LineStationBoDoAdapter(lineStation));
}
public void UpdateLineStation(BO.LineStation lineStation)
{
dl.UpdateLineStation(LineStationBoDoAdapter(lineStation));
}
public void AddLineStation(BO.LineStation lineStation)
{
dl.AddLineStation(LineStationBoDoAdapter(lineStation));
}
DO.LineStation LineStationBoDoAdapter(BO.LineStation lineStationBo)
{
DO.LineStation lineStationDo = new DO.LineStation();
lineStationBo.CopyPropertiesTo(lineStationDo);
return(lineStationDo);
}
BO.LineStation LineStationDoBoAdapter(DO.LineStation lineStationDo)
{
BO.LineStation lineStationBo = new BO.LineStation();
lineStationDo.CopyPropertiesTo(lineStationBo);
return(lineStationBo);
}