public ParticipantVM GetParticipant(string dictaatName, string email)
{
var user = _context.Users.FirstOrDefault(u => u.Email == email);
var session = _context.DictaatSession
.FirstOrDefault(d => d.DictaatDetailsId == dictaatName && d.EndedOn == null);
var assignmentIds = getAssignmentIds(dictaatName);
DictaatSessionUser participant = _context.DictaatSessionUser
.FirstOrDefault(p => p.DictaatSessionId == session.Id && p.UserId == user.Id);
//completed assignments
var myAssignments = _context.AssignmentSubmissions
.Where(a => assignmentIds.Contains(a.AssignmentId) && a.UserId == user.Id)
.ToList();
var myCompletion = myAssignments.Where(a => a.Accepted).Count();
var myPending = myAssignments.Where(a => !a.Accepted).Count();
var myPoints = myAssignments.Where(a => a.Accepted).Sum(a => a.PointsRecieved);
//count sumbissions
double submissionCount = _context.AssignmentSubmissions
.Where(a => assignmentIds.Contains(a.AssignmentId))
.Count();
var dictaatSessionId = _context.DictaatSession
.FirstOrDefault(ds => ds.DictaatDetailsId == dictaatName && ds.EndedOn == null).Id;
//count participants
double participantCount = _context.DictaatSessionUser
.Where(dsu => dsu.DictaatSessionId == dictaatSessionId).Count();
double averageCompletion = submissionCount / participantCount;
//completed quizes
//not yet added, we first need to rework quizes
return(new ParticipantVM(user)
{
Group = participant != null ? participant.Group : null,
AssignmentIds = assignmentIds,
RecievedPoints = myPoints,
CompletedAssignments = myCompletion,
PendingAssignments = myPending,
AverageCompletion = averageCompletion,
ComparedToAverage = ((myCompletion - averageCompletion) / averageCompletion) * 100
});
}
/// <summary>
/// Join the current session of a dictaat
/// </summary>
/// <param name="dictaatName"></param>
/// <param name="groupName"></param>
/// <param name="userId"></param>
/// <returns></returns>
public bool Join(string dictaatName, string groupName, string userId)
{
var currentSession = _context.DictaatSession
.Include(s => s.Participants)
.FirstOrDefault(s => s.EndedOn == null && s.DictaatDetailsId == dictaatName);
var group = _context.DictaatGroup.FirstOrDefault(dg => dg.DictaatName == dictaatName && dg.Name == groupName);
var participant = currentSession.Participants.FirstOrDefault(p => p.UserId == userId);
if (participant == null)
{
participant = new DictaatSessionUser()
{
UserId = userId
};
currentSession.Participants.Add(participant);
}
participant.Group = group != null ? group.Name : null;
participant.DictaatName = group != null ? currentSession.DictaatDetailsId : null;
_context.SaveChanges();
return(true); //Joined this ditaat :D
}
public UserVM(DictaatSessionUser p) : this(p.User)
{
}
