public static void Sync(ConfigFile configFile, LogDelegate Log)
{
ConfigFileSyncPermissionsSection config = configFile.AbsenceStatusPermissions;
Log("========= ABSENCE STATUSES ========= ");
if (!config.AllowSync)
{
Log("This sync module is disabled in config file - skipping");
return;
}
InternalAbsenceStatusRepository internalRepository = new InternalAbsenceStatusRepository(configFile.DatabaseConnectionString_Internal);
SLAbsenceStatusRepository externalRepository = new SLAbsenceStatusRepository(configFile.DatabaseConnectionString_SchoolLogic);
List <AbsenceStatus> externalObjects = externalRepository.GetAll();
Log("Found " + internalRepository.GetAllIDs().Count() + " statuses in internal database");
Log("Found " + externalObjects.Count() + " statuses in external database");
// Find previously unknown
// Find objects that need an update
List <AbsenceStatus> previouslyUnknown = new List <AbsenceStatus>();
List <AbsenceStatus> needingUpdate = new List <AbsenceStatus>();
List <AbsenceStatus> noLongerExistsInExternalSystem = new List <AbsenceStatus>();
foreach (AbsenceStatus externalObject in externalObjects)
{
// Check to see if we know about this school already
AbsenceStatus internalObject = internalRepository.Get(externalObject.ID);
if (internalObject == null)
{
previouslyUnknown.Add(externalObject);
}
// Check to see if this school requires an update
if (internalObject != null)
{
UpdateCheck check = internalObject.CheckIfUpdatesAreRequired(externalObject);
if ((check == UpdateCheck.UpdatesRequired) || (config.ForceUpdate))
{
needingUpdate.Add(externalObject);
}
}
}
// Find objects that are no longer in the database that could potentially be cleaned up
if (config.AllowRemovals)
{
List <int> foundIDs = externalRepository.GetAllIDs();
foreach (AbsenceStatus internalObject in internalRepository.GetAll())
{
if (!foundIDs.Contains(internalObject.ID))
{
noLongerExistsInExternalSystem.Add(internalObject);
}
}
}
Log("Found " + previouslyUnknown.Count() + " previously unknown");
Log("Found " + needingUpdate.Count() + " with updates");
Log("Found " + noLongerExistsInExternalSystem.Count() + " not in external database");
// Commit these changes to the database
if (previouslyUnknown.Count > 0)
{
if (config.AllowAdds)
{
Log(" > Adding " + previouslyUnknown.Count() + " new objects");
internalRepository.Add(previouslyUnknown);
}
else
{
Log(" > Not allowed to add, skipping " + previouslyUnknown.Count() + " adds");
}
}
if (needingUpdate.Count > 0)
{
if (config.AllowUpdates)
{
Log(" > Updating " + needingUpdate.Count() + " objects");
internalRepository.Update(needingUpdate);
}
else
{
Log(" > Not allowed to do updates, skipping " + needingUpdate.Count() + " updates");
}
}
if (noLongerExistsInExternalSystem.Count > 0)
{
if (config.AllowRemovals)
{
Log(" > If removals were implemented, we would remove " + noLongerExistsInExternalSystem.Count() + " objects here");
}
else
{
Log(" > Not allowed to remove, skipping " + noLongerExistsInExternalSystem.Count() + " removals");
}
}
}
