public static void SetIdentifiers(FI fi, IdentifierType identifierType, string[] identifiers, SymmetryEntities dc)
{
IList<FIIdentifier> list = null;
{
var currentIDs = fi.FIIdentifiers.Where(x => x.IdentifierType == identifierType);
if (currentIDs != null && currentIDs.Any())
list = currentIDs.ToList();
}
foreach (var identifier in identifiers)
{
if (string.IsNullOrEmpty(identifier)) continue;
if (list == null)
{
fi.FIIdentifiers.Add(new FIIdentifier { IdentifierType = identifierType, Identifier = identifier });
}
else if (list.Any(x => string.Compare(x.Identifier, identifier, true) == 0)) // already exists
{
list.Remove(list.First(x => string.Compare(x.Identifier, identifier, true) == 0)); // remove from the list of existing
}
else
{
fi.FIIdentifiers.Add(new FIIdentifier { IdentifierType = identifierType, Identifier = identifier });
}
}
// if we have any left in the original list, then remove them all
if (list != null && list.Any())
foreach (var v in list)
dc.Entry(v).State = EntityState.Deleted;
}
