public static IDGenerator GetMemberIDGenerator(ApplicationDbContext dbContext)
{
if (_memberIDGenerator == null)
{
lock (typeof(IDGenerator)) {
if (_memberIDGenerator == null)
{
var lastMemberID = dbContext.Members
.OrderByDescending(m => m.RegisterDate)
.Take(1)
.Select(m => m.MemberID)
.FirstOrDefault();
_memberIDGenerator = IDGenerator.CreateFromID(lastMemberID, "BE");
}
}
}
return(_memberIDGenerator);
}
public static IDGenerator GetSaleToCustomerIDGenerator(ApplicationDbContext dbContext)
{
if (_saleToCustomerIDGenerator == null)
{
lock (typeof(IDGenerator))
{
if (_saleToCustomerIDGenerator == null)
{
var lastMemberID = dbContext.SaleToCustomer
.OrderByDescending(m => m.CreateDate)
.Take(1)
.Select(m => m.ID)
.FirstOrDefault();
_saleToCustomerIDGenerator = IDGenerator.CreateFromID(lastMemberID, "STC");
}
}
}
return(_saleToCustomerIDGenerator);
}