ApplyPaymentsLog

 internal sealed class ApplyPayments : IDisposable
    {
        private ILogLib _lib = new ILogLib();
        private readonly IList<IApplyPaymentsLog> _logs = new List<IApplyPaymentsLog>();

        private DateTime ProcessedDate { get; set; }

        private Guid PaymentBatchGuid { get; set; }

        private string ProcessedUser { get; set; }

        /// <summary>
        /// Initializes a new instance of the <see cref="ApplyPayments"/> class.
        /// </summary>
        public ApplyPayments()
        {
           ProcessedDate = DateTime.Today;
        }

        public ApplyPayments(Guid paymentBatchGuid, string processedUser)
            : this()
        {
            PaymentBatchGuid = paymentBatchGuid;
            ProcessedUser = processedUser;
        }

        /// <summary>
        /// Adds the log entry.
        /// </summary>
        /// <param name="paymentGuid">The payment unique identifier.</param>
        /// <param name="policyGuid">The policy unique identifier.</param>
        /// <param name="columnName">Name of the column.</param>
        /// <param name="oldValue">The old value.</param>
        /// <param name="newValue">The new value.</param>
        /// <param name="valueType">Type of the value.</param>
        public void AddLogEntry(Guid paymentGuid, Guid policyGuid, string columnName, string oldValue, string newValue, string
            valueType)
        {
            _logs.Add(new ApplyPaymentsLog()
            {
                GUID = Guid.NewGuid(),
                Batch_GUID = PaymentBatchGuid,
                Policy_GUID = policyGuid,
                ColumnName = columnName,
                OldValue = oldValue,
                NewValue = newValue,
                ValueType = valueType,
                ProcessedUser = ProcessedUser,
                ProcessedDate = ProcessedDate,
                Payment_GUID = paymentGuid
            });
        }

        /// <summary>
        /// Adds the log entry.
        /// </summary>
        /// <param name="paymentGuid">The payment unique identifier.</param>
        /// <param name="policyGuid">The policy unique identifier.</param>
        /// <param name="columnName">Name of the column.</param>
        /// <param name="oldValue">The old value.</param>
        /// <param name="newValue">The new value.</param>
        public void AddLogEntry(Guid paymentGuid, Guid policyGuid, string columnName, dynamic oldValue, dynamic newValue)
        {
            AddLogEntry(paymentGuid, policyGuid, columnName, oldValue.ToString(), newValue.ToString(CultureInfo.CurrentCulture),
            oldValue.GetType().ToString());
        }

        public void Sumbit()
        {
            _lib.BulkInsert(_logs);
            _logs.Clear();
        }

        public void Dispose()
        {
            if (_logs.Count <= 0)
                Sumbit();
            if (_lib != null)
                _lib.Dispose();
        }
    }