/// <summary>
/// Assembles and returns the list of SiteWaveDetails that are not referenced by any SiteFractionDetails
/// </summary>
/// <param name="pm"></param>
/// <param name="revisionedSite"></param>
/// <returns></returns>
private static IEnumerable <SiteWaveDetails> GetUnreferencedSiteWaveDetails(ImpacPersistenceManager pm, PrescriptionSite revisionedSite)
{
var swdEntitiesToRemove = new List <SiteWaveDetails>();
List <SiteFractionDetails> sfdEntitiesSurviving =
pm.GetAllEntitiesInCache().OfType <SiteFractionDetails>()
.Where(e => e.SIT_ID == revisionedSite.SIT_ID && e.Seq <= revisionedSite.Fractions)
.ToList();
List <SiteWaveDetails> swdEntities =
pm.GetAllEntitiesInCache().OfType <SiteWaveDetails>()
.Where(e => e.SIT_ID == revisionedSite.SIT_ID)
.ToList();
// Assemble the list of SiteWaveDetails that are not referenced by any SiteFractionDetails records that will survive this update
foreach (SiteWaveDetails swdEntity in swdEntities)
{
var swdId = swdEntity.SWD_ID;
if (sfdEntitiesSurviving.Count(e => e.SWD_ID == swdId) == 0)
{
swdEntitiesToRemove.Add(swdEntity);
}
}
return(swdEntitiesToRemove);
}
/// <summary>
/// Remove from the persistence manager or mark for deletion the excess SiteFractionDetails records, if there are any.
/// (There aren't necessarily any SiteFractionDetails records for the Site.)
/// If a SiteFractionDetails record is to be removed/deleted and it contains a link to a Notes record
/// which is referenced by no other SiteFractionDetails record then mark it for deletion.
/// </summary>
/// <param name="pm"></param>
/// <param name="revisionedSite"></param>
private static void RemoveExcessSiteFractionDetailsAndNotes(ImpacPersistenceManager pm, PrescriptionSite revisionedSite)
{
List <SiteFractionDetails> sfdsToRemove =
pm.GetAllEntitiesInCache().OfType <SiteFractionDetails>()
.Where(e => e.SIT_ID == revisionedSite.SIT_ID && e.Seq > revisionedSite.Fractions)
.ToList();
if (sfdsToRemove.Count > 0)
{
if (revisionedSite.SIT_ID > 0)
{
// A version roll will NOT occur
// Remove fraction-specific notes that will be orphaned (if any) when the excess fractions are removed
// (No fraction-specific notes will be orphaned when there is a version roll
// - they'll still be referenced from the about-to-be historic rx fx detail recs)
RemoveFxNotesThatWillBeOrphaned(pm, sfdsToRemove, revisionedSite);
}
// Mark for deletion the excess fraction detail records
sfdsToRemove.Delete();
}
}