private void SaveUniverse(IUniverseCreated command, UniverseDbObject lastUniverse, out UniverseDbObject nextUniverse, ref List <UniverseDbObject> universes)
{
nextUniverse = null;
if (lastUniverse == null)
{
nextUniverse = MapEntity(command);
AddOrUpdate(ref universes, nextUniverse); // "Add"
return;
}
if (command.StartDate < lastUniverse.StartDate.Date)
{
throw new DataSyncException(DataSyncErrorCode.Universe_StartDateLessThanPredecessors,
"universe start date(" + command.StartDate + ") should be greater than or equal to existing universe start date(" +
lastUniverse.StartDate + "). Sales area:" + command.SalesArea + ", Demographic:" + command.Demographic);
}
if (command.StartDate == lastUniverse.StartDate.Date) //"update/overwrite";
{
lastUniverse.EndDate = command.EndDate;
lastUniverse.UniverseValue = command.UniverseValue;
nextUniverse = lastUniverse;
AddOrUpdate(ref universes, lastUniverse);
return;
}
if (command.StartDate > lastUniverse.StartDate && command.EndDate <= lastUniverse.EndDate)
{
throw new DataSyncException(DataSyncErrorCode.Universe_DateRangeOverlapsPredecessors,
"universe start and end date range should not fully overlap with existing universe start date(" +
lastUniverse.StartDate + ") end date (" + lastUniverse.EndDate + "). Sales area:" + command.SalesArea + ", Demographic:" + command.Demographic);
}
if (command.StartDate == lastUniverse.EndDate.AddDays(1).Date)
{
nextUniverse = MapEntity(command);
AddOrUpdate(ref universes, nextUniverse); // "Add"
return;
}
if (command.StartDate > lastUniverse.EndDate.AddDays(1).Date)
{
throw new DataSyncException(DataSyncErrorCode.Universe_GapMoreThan1Day,
"Universe start date should not be greater than(" + lastUniverse.EndDate.AddDays(1).Date +
"). Sales area:" + command.SalesArea + ", Demographic:" + command.Demographic);
}
if (command.StartDate > lastUniverse.StartDate.Date && command.StartDate <= lastUniverse.EndDate.Date &&
command.EndDate > lastUniverse.EndDate.Date
) // "Add it as new and also update the existing start date";
{
nextUniverse = MapEntity(command);
AddOrUpdate(ref universes, nextUniverse);
lastUniverse.EndDate = command.StartDate.AddDays(-1).Date;
AddOrUpdate(ref universes, lastUniverse);
}
}
private static void AddOrUpdate(ref List <UniverseDbObject> universes, UniverseDbObject universe)
{
_ = universes.RemoveAll(_ => _.Id.Equals(universe.Id));
universes.Add(universe);
}