private static Poll MapPollToModel(IPoll poll)
{
var result = new Poll();
result.PollID = poll.PollID.Value;
result.UserID = poll.UserID;
result.PollCategoryID = poll.PollCategoryID.Value;
result.PollQuestion = poll.PollQuestion;
result.PollImageLink = poll.PollImageLink;
result.PollMaxAnswers = poll.PollMaxAnswers.Value;
result.PollMinAnswers = poll.PollMinAnswers.Value;
result.PollStartDate = poll.PollStartDate;
result.PollEndDate = poll.PollEndDate;
result.PollAdminRemovedFlag = poll.PollAdminRemovedFlag.GetValueOrDefault(false);
result.PollDateRemoved = poll.PollDateRemoved;
result.PollDeletedFlag = poll.PollDeletedFlag.GetValueOrDefault(false);
result.PollDeletedDate = poll.PollDeletedDate;
result.PollDescription = poll.PollDescription;
result.PollOptions = poll.PollOptions.Select(_ => new PollOption
{
PollOptionID = _.PollOptionID,
PollID = _.PollID,
OptionPosition = _.OptionPosition,
OptionText = _.OptionText
}).ToList();
return result;
}
private IPoll SavePoll(Poll input, IPoll poll)
{
poll.PollCategoryID = input.PollCategoryID;
poll.PollQuestion = input.PollQuestion;
poll.PollImageLink = input.PollImageLink;
poll.PollMaxAnswers = input.PollMaxAnswers;
poll.PollMinAnswers = input.PollMinAnswers;
poll.PollStartDate = input.PollStartDate;
poll.PollEndDate = input.PollEndDate;
poll.PollAdminRemovedFlag = input.PollAdminRemovedFlag;
poll.PollDateRemoved = input.PollDateRemoved;
poll.PollDeletedFlag = input.PollDeletedFlag;
poll.PollDeletedDate = input.PollDeletedDate;
poll.PollDescription = input.PollDescription;
// remove items from the real poll if they aren't in the input
if (input.PollOptions == null)
{
poll.PollOptions.Clear();
}
else
{
var toRemove = new List<IPollOption>();
toRemove.AddRange(
poll.PollOptions.Where(item => input.PollOptions.All(_ => _.PollOptionID != item.PollOptionID)));
foreach (var item in toRemove)
{
poll.PollOptions.Remove(item);
}
}
// add or update according to new options list
if (input.PollOptions != null && input.PollOptions.Count > 0)
{
var toAdd = new List<IPollOption>();
foreach (var item in input.PollOptions)
{
var existing = poll.PollOptions.FirstOrDefault(_ => _.PollOptionID == item.PollOptionID);
if (existing == null)
{
var newOption = this.PollOptionFactory.Value.CreateChild();
newOption.OptionPosition = item.OptionPosition;
newOption.OptionText = item.OptionText;
toAdd.Add(newOption);
}
else
{
// updating existing item
existing.OptionPosition = item.OptionPosition;
existing.OptionText = item.OptionText;
}
}
poll.PollOptions.AddRange(toAdd);
}
return poll.Save() as IPoll;
}