public async Task <ServiceResponseType> ChangeQuestionOrderBySurveyId(int surveyId, int from, int to)
{
var questionOrders = await _questionOrderRepository.GetQuestionOrdersByForeignId(surveyId, (int)CallerType.Survey);
if (questionOrders.Count() == 0)
{
return(ServiceResponseType.NotFound);
}
var sortedByOrder = questionOrders.OrderBy(q => q.OrderNbr).ToList();
var fromQuestionOrder = sortedByOrder.Where(q => q.OrderNbr.Equals(from)).FirstOrDefault();
var toQuestionOrder = sortedByOrder.Where(q => q.OrderNbr.Equals(to)).FirstOrDefault();
if (fromQuestionOrder == null || toQuestionOrder == null)
{
return(ServiceResponseType.NotFound);
}
fromQuestionOrder.OrderNbr = to;
sortedByOrder[from - 1] = fromQuestionOrder;
if (from > to)
{
sortedByOrder.ForEach(q =>
{
if (q.OrderNbr >= to && q.OrderNbr <= from && !q.QuestionId.Equals(fromQuestionOrder.QuestionId))
{
q.OrderNbr += 1;
}
});
}
else
{
sortedByOrder.ForEach(q =>
{
if (q.OrderNbr >= from && q.OrderNbr <= to && !q.QuestionId.Equals(fromQuestionOrder.QuestionId))
{
q.OrderNbr -= 1;
}
});
}
await _questionOrderRepository.EditMany(sortedByOrder);
return(ServiceResponseType.Ok);
}
