public void RevokeAnswer(int roomNumber, string answer)
{
var db = new AppDbContext();
var room = FindRoom(roomNumber, db);
var userID = Context.User.Identity.Name;
ClearMyAnswers(db, room, userID);
db.SaveChanges();
UpdateTotaling(room);
}
public void Reset(int roomNumber)
{
var db = new AppDbContext();
var room = FindRoom(roomNumber, db);
room.Answers.ToList().ForEach(a =>
{
db.Answers.Remove(a);
});
db.SaveChanges();
Clients.Group(roomNumber.ToString()).Reset();
}
public void PostAnswer(int roomNumber, string answer)
{
var db = new AppDbContext();
var room = FindRoom(roomNumber, db);
var userID = Context.User.Identity.Name;
ClearMyAnswers(db, room, userID);
room.Answers.Add(new Answer
{
AnsweredUserID = userID,
ChosedOptionText = answer
});
db.SaveChanges();
UpdateTotaling(room);
}
public object EnterRoom(int roomNumber)
{
Groups.Add(Context.ConnectionId, roomNumber.ToString());
var db = new AppDbContext();
var room = FindRoom(roomNumber, db);
UpdateTotaling(room);
var userID = Context.User.Identity.Name;
var myAnswer = room.Answers
.FirstOrDefault(a => a.AnsweredUserID == userID) ?? new Answer();
var options = room.Options
.OrderBy(o => o.DisplayOrder)
.Select(o => new
{
text = o.Text,
selected = o.Text == myAnswer.ChosedOptionText,
count = room.Answers.Count(a => a.ChosedOptionText == o.Text)
})
.ToArray();
return options;
}
public DefaultController()
{
this.Db = new AppDbContext();
}
private static void ClearMyAnswers(AppDbContext db, Room room, string userID)
{
room.Answers
.Where(a => a.AnsweredUserID == userID)
.ToList()
.ForEach(a =>
{
room.Answers.Remove(a);
db.Answers.Remove(a);
});
}
private static Room FindRoom(int roomNumber, AppDbContext db)
{
var room = db.Rooms
.Include("Answers")
.Include("Options")
.First(r => r.RoomNumber == roomNumber);
return room;
}
