private bool CheckValue(TransField field, object fieldValue)
{
bool result = false;
if (field.DeleteForDecrease && decimal.Parse(fieldValue.ToString()) == decimal.Zero)
{
result = true;
}
if (field.ExceptionForMinus && decimal.Parse(fieldValue.ToString()) < decimal.Zero)
{
throw new ArgumentException(MessageHelper.EFTransactionMessage.ValueIsNegativeNumber);
}
return result;
}
private object GetFieldValue(TransField field, bool isGetOldValue, bool isAlwaysAppend)
{
object fieldValue = null;
switch (field.UpdateMode)
{
case UpdateMode.Increase:
case UpdateMode.Decrease:
if (isGetOldValue)
{
if (field.OldValue != null)
{
fieldValue = field.OldValue;
}
}
else
{
if (field.NewValue != null)
{
fieldValue = field.NewValue;
}
}
if (fieldValue != null)
{
if (isAlwaysAppend)
{
fieldValue = (field.UpdateMode == UpdateMode.Increase ? MinusSign : string.Empty) + fieldValue;
}
else
{
fieldValue = (field.UpdateMode == UpdateMode.Increase ? string.Empty : MinusSign) + fieldValue;
}
}
break;
case UpdateMode.Replace:
fieldValue = isGetOldValue == true ? field.OldValue : field.NewValue;
break;
}
return fieldValue;
}
public Transaction Copy()
{
Transaction transPrivateCopy = new Transaction();
transPrivateCopy.AutoNumber = this.AutoNumber;
foreach (TransField field in this.TransFields)
{
TransField tf = new TransField();
tf.DesField = field.DesField;
tf.OldValue = field.OldValue;
tf.SrcField = field.SrcField;
tf.SrcGetValue = field.SrcGetValue;
tf.NewValue = field.NewValue;
tf.UpdateMode = field.UpdateMode;
transPrivateCopy.TransFields.Add(tf);
}
foreach (TransKeyField keyField in this.TransKeyFields)
{
TransKeyField tkf = new TransKeyField();
tkf.DesField = keyField.DesField;
tkf.SrcField = keyField.SrcField;
tkf.SrcGetValue = keyField.SrcGetValue;
tkf.NewValue = keyField.NewValue;
tkf.WhereMode = keyField.WhereMode;
transPrivateCopy.TransKeyFields.Add(tkf);
}
transPrivateCopy.TransMode = this.TransMode;
transPrivateCopy.TransStep = this.TransStep;
transPrivateCopy.TransTableName = this.TransTableName;
transPrivateCopy.WhenInsert = this.WhenInsert;
transPrivateCopy.WhenUpdate = this.WhenUpdate;
transPrivateCopy.WhenDelete = this.WhenDelete;
return transPrivateCopy;
}
