public ChangeNote CreateChangeNote(Question question, string originalValue, string newValue, string changeReason)
{
var changeNote = new ChangeNote {
Question = question,
ChangeReason = changeReason,
ChangeDate = DateTime.UtcNow
};
switch (question.DataType)
{
case QuestionDataType.Date:
case QuestionDataType.Time:
DateTime newDate;
if (
!DateTime.TryParse(newValue, CultureInfo.InvariantCulture,
DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, out newDate))
{
return(null);
}
DateTime originalDate;
if (
!DateTime.TryParse(originalValue, CultureInfo.InvariantCulture,
DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, out originalDate))
{
return(null);
}
changeNote.NewValue = newDate.ToString(CultureInfo.InvariantCulture);
changeNote.OriginalValue = originalDate.ToString(CultureInfo.InvariantCulture);
break;
case QuestionDataType.String:
changeNote.NewValue = newValue;
changeNote.OriginalValue = originalValue;
break;
case QuestionDataType.Integer:
case QuestionDataType.Enum:
int newInt;
if (!int.TryParse(newValue, NumberStyles.Integer, CultureInfo.InvariantCulture, out newInt))
{
return(null);
}
int originalInt;
if (!int.TryParse(originalValue, NumberStyles.Integer, CultureInfo.InvariantCulture, out originalInt))
{
return(null);
}
changeNote.NewValue = newInt.ToString(CultureInfo.InvariantCulture);
changeNote.OriginalValue = originalInt.ToString(CultureInfo.InvariantCulture);
break;
case QuestionDataType.Number:
decimal newNumber;
if (!decimal.TryParse(newValue, NumberStyles.Number, CultureInfo.InvariantCulture, out newNumber))
{
return(null);
}
decimal originalNumber;
if (!decimal.TryParse(originalValue, NumberStyles.Number, CultureInfo.InvariantCulture, out originalNumber))
{
return(null);
}
changeNote.NewValue = newNumber.ToString(CultureInfo.InvariantCulture);
changeNote.OriginalValue = originalNumber.ToString(CultureInfo.InvariantCulture);
break;
}
changeNoteRepository.Add(changeNote);
changeNoteRepository.Save();
question.ChangeNotes.Add(changeNote);
return(changeNote);
}
