private IQueryable <MVPollSubmission> GetSubmissions(PollSubmissionCriteria criteria)
{
return(from submission in this.Entities.MVPollSubmissions
where (submission.PollID == criteria.PollID &&
submission.UserID == criteria.UserID)
select submission);
}
private void DataPortal_Create(PollSubmissionCriteria criteria)
{
var existingSubmission = this.GetSubmissions(criteria).Any();
if (existingSubmission)
{
throw new NotSupportedException("A user cannot vote on a poll more than once.");
}
this.FillFromPoll(criteria);
this.BusinessRules.CheckRules();
}
private void DataPortal_Fetch(PollSubmissionCriteria criteria)
{
using (this.BypassPropertyChecks)
{
this.FillFromPoll(criteria);
var submission = GetSubmissions(criteria).FirstOrDefault();
if (submission == null)
{
return;
}
this.SubmissionDate = submission.PollSubmissionDate;
foreach (var response in submission.MVPollResponses)
{
this.Responses.Single(r => r.PollOptionID == response.PollOptionID)
.IsOptionSelected = response.OptionSelected;
}
}
}
private void FillFromPoll(PollSubmissionCriteria criteria)
{
var poll = this.pollFactory.Fetch(criteria.PollID);
var now = DateTime.UtcNow;
// The rules that will kick for the next three properties will set the active flag correctly;
this.IsActive = true;
this.IsPollOwnedByUser = poll.UserID == criteria.UserID;
this.PollDeletedFlag = poll.PollDeletedFlag;
this.PollStartDate = poll.PollStartDate.Value;
this.PollEndDate = poll.PollEndDate.Value;
this.CategoryName = (from category in this.Entities.MVCategories
where category.CategoryID == poll.PollCategoryID
select category.CategoryName).Single();
this.PollImageLink = poll.PollImageLink;
this.PollID = criteria.PollID;
this.UserID = criteria.UserID;
this.PollQuestion = poll.PollQuestion;
this.PollDescription = poll.PollDescription;
this.PollMinAnswers = poll.PollMinAnswers.Value;
this.PollMaxAnswers = poll.PollMaxAnswers.Value;
this.Responses = this.pollSubmissionResponsesFactory.CreateChild(poll.PollOptions);
}