public static IQueryable<EnrollCustomerPremise> ApplyCustomerEnrollmentSearchFilter(this IQueryable<EnrollCustomerPremise> source, CustomerEnrollmentSearchCommand filter)
        {
            var name = filter.CustomerName;

            var query = source
                .Include(p => p.EnrollCustomer)
                .Include(p => p.EnrollCustomer.EnrollStatus);

            if (!string.IsNullOrWhiteSpace(filter.CustomerType))
            {
                query = query.Where(c => (c.EnrollCustomer.CustomerType.Contains(filter.CustomerType)));
            }
            if (!string.IsNullOrWhiteSpace(filter.Phone))
            {
                query = query.Where(c => (c.EnrollCustomer.PrimaryPhone.Contains(filter.Phone)));
            }
            if (!string.IsNullOrWhiteSpace(filter.Email))
            {
                query = query.Where(c => (c.EnrollCustomer.BillingEmail.Contains(filter.Email)));
            }
            if ((filter.Status ?? default(int)) != default(int))
            {
                query = query.Where(c => (c.EnrollCustomer.EnrollStatusId == filter.Status));
            }
            if (!string.IsNullOrWhiteSpace(filter.Zip))
            {
                query = query.Where(c => (c.EnrollCustomer.BillingZip.Contains(filter.Zip)));
            }
            if (!string.IsNullOrWhiteSpace(filter.IstaAccountNumber))
            {
                query = query.Where(c => (c.EnrollCustomer.CustomerAccountNumber.Contains(filter.IstaAccountNumber)));
            }
            if (!string.IsNullOrWhiteSpace(filter.SsnTaxId))
            {
                query = query.Where(c => (c.EnrollCustomer.TaxId.Contains(filter.SsnTaxId)));
            }
            if (!string.IsNullOrWhiteSpace(filter.IgniteAccountNumber))
            {
                query = query.Where(c => (c.BillingAccountNumber.Contains(filter.IgniteAccountNumber)));
            }
            if (!string.IsNullOrWhiteSpace(filter.Ldc))
            {
                query = query.Where(c => (c.EsiId.Contains(filter.Ldc)));
            }
            if (!string.IsNullOrWhiteSpace(name))
            {
                var names = name.Split(' ');
                // Suppressed the warning RCS1155 because linq cannot translate indexof string comparison to sql.
                #pragma warning disable RCS1155 // Use StringComparison when comparing strings.
                query = query.Where(c => names.AsQueryable().All(n => c.EnrollCustomer.CustomerName.ToLower().Contains(n.ToLower())));
                #pragma warning restore RCS1155 // Use StringComparison when comparing strings.
            }

            return query;
        }