/// <summary>
/// Convert a given voteQuestion to a ViewModel
/// </summary>
public static ViewModels.VoteQuestion ToViewModel(this Models.VoteQuestion voteQuestion)
{
ViewModels.VoteQuestion result = null;
if (voteQuestion != null)
{
result = new ViewModels.VoteQuestion();
result.id = voteQuestion.Id.ToString();
List <ViewModels.VoteOption> options = new List <ViewModels.VoteOption>();
foreach (Models.VoteOption option in voteQuestion.Options)
{
options.Add(option.ToViewModel());
}
// sort the options by display order.
options.Sort(
(x, y) =>
x == null ? (y == null ? 0 : -1)
: (y == null ? 1 : x.displayOrder.CompareTo(y.displayOrder))
);
result.options = options.ToArray();
result.question = voteQuestion.Question;
result.slug = voteQuestion.Slug;
result.title = voteQuestion.Title;
}
return(result);
}
public static void UpdateVoteQuestion(this AppDbContext context, ViewModels.VoteQuestion voteQuestion)
{
VoteQuestion _voteQuestion = context.VoteQuestions.FirstOrDefault(x => x.Slug == voteQuestion.slug);
_voteQuestion.Question = voteQuestion.question;
_voteQuestion.Title = voteQuestion.title;
context.VoteQuestions.Update(_voteQuestion);
context.SaveChanges();
}
/// <summary>
/// Update region
/// </summary>
/// <param name="context"></param>
/// <param name="regionInfo"></param>
public static void UpdateSeedVoteQuestionInfo(this AppDbContext context, ViewModels.VoteQuestion voteQuestionInfo)
{
VoteQuestion voteQuestion = context.GetVoteQuestionBySlug(voteQuestionInfo.slug);
if (voteQuestion == null)
{
context.AddInitialVoteQuestion(voteQuestionInfo);
}
else
{
voteQuestion.Question = voteQuestionInfo.question;
voteQuestion.Title = voteQuestionInfo.title;
// update the options.
if (voteQuestion.Options != null)
{
// first pass to add new items.
foreach (var option in voteQuestionInfo.options)
{
VoteOption voteOption = voteQuestion.Options.FirstOrDefault(x => x != null && x.Option.Equals(option.option));
if (voteOption == null)
{
voteQuestion.Options.Add(option.ToModel());
}
else
{
voteOption.DisplayOrder = option.displayOrder;
}
}
List <VoteOption> itemsToRemove = new List <VoteOption>();
// second pass to identify items that are no longer present.
foreach (var option in voteQuestion.Options)
{
if (option != null)
{
if (voteQuestionInfo.options.FirstOrDefault(x => x != null && x.option.Equals(option.Option)) == null)
{
itemsToRemove.Add(option);
}
}
}
// third pass to remove the items.
foreach (var option in itemsToRemove)
{
voteQuestion.Options.Remove(option);
}
}
context.VoteQuestions.Update(voteQuestion);
context.SaveChanges();
}
}
/// <summary>
/// Adds a jurisdiction to the system, only if it does not exist.
/// </summary>
private static void AddInitialVoteQuestion(this AppDbContext context, ViewModels.VoteQuestion initialVoteQuestion)
{
VoteQuestion voteQuestion = context.GetVoteQuestionBySlug(initialVoteQuestion.slug);
if (voteQuestion != null)
{
return;
}
voteQuestion = new VoteQuestion
(
initialVoteQuestion.question,
initialVoteQuestion.slug,
initialVoteQuestion.title,
initialVoteQuestion.options
);
context.AddVoteQuestion(voteQuestion);
}
public static ViewModels.VoteQuestion GetViewModelVoteQuestionBySlug(this AppDbContext context, string slug)
{
ViewModels.VoteQuestion voteQuestion =
context.VoteQuestions.Include(x => x.Options).FirstOrDefault(x => x.Slug == slug).ToViewModel();
return(voteQuestion);
}
