public static Poll GetPoll(int pollId)
{
JustPollsEntities database = new JustPollsEntities();
Poll poll = database.Polls.Include("PossibleAnswers").Where(x => x.id == pollId).FirstOrDefault();
return(poll);
}
public static List <PossibleAnswer> GetPossibleAnswers(int pollId)
{
JustPollsEntities database = new JustPollsEntities();
List <PossibleAnswer> polls = (from p in database.PossibleAnswers where p.PollId == pollId orderby p.VotesCount orderby p.text select p).ToList();
return(polls);
}
public static List <Poll> GetPolls(int pageNumber, int pollsPerPage)
{
int pollsToSkip = (pageNumber - 1) * pollsPerPage;
JustPollsEntities database = new JustPollsEntities();
List <Poll> polls = database.Polls.Include("PossibleAnswers").OrderByDescending(x => x.Date).Skip(pollsToSkip).Take(pollsPerPage).ToList();
//List<Poll> polls = (from p in database.Polls orderby p.Date descending select p).Skip(pollsToSkip).Take(pollsPerPage).ToList();
return(polls);
}
public static TimeSpan TimeToNextVote(string voterIp, int pollId)
{
JustPollsEntities database = new JustPollsEntities();
var lastVoteByThisIp = (from p in database.Votes.Include("PossibleAnswer") where p.voterIp == voterIp && p.PossibleAnswer.PollId == pollId orderby p.Date descending select p).FirstOrDefault();
if (lastVoteByThisIp != null)
{
return(lastVoteByThisIp.Date.AddDays(1) - DateTime.Now);
}
return(new TimeSpan(0, 0, 0));
}
public static int GetVotesCount(int pollId)
{
JustPollsEntities database = new JustPollsEntities();
var possibleAnswers = (from p in database.PossibleAnswers where p.PollId == pollId select p);
int votesCount = 0;
foreach (var answer in possibleAnswers)
{
votesCount += answer.VotesCount;
}
return(votesCount);
}
public static void AddVote(int answerId, string voterIp)
{
JustPollsEntities database = new JustPollsEntities();
int oldVotesCount = (from p in database.Votes where p.answerId == answerId && p.voterIp == voterIp select p).Count();
PossibleAnswer answer = (from p in database.PossibleAnswers where p.id == answerId select p).FirstOrDefault();
if (oldVotesCount == 0 && answer != null)
{
answer.VotesCount++;
Vote newVote = new Vote();
newVote.answerId = answerId;
newVote.Date = DateTime.Now;
newVote.voterIp = voterIp;
database.Votes.AddObject(newVote);
database.SaveChanges();
}
}
public static int GetPollsCount()
{
JustPollsEntities database = new JustPollsEntities();
return((from p in database.Polls select p).Count());
}
