public Vote(User user, Survey survey, Answer answer)
: this()
{
this.User = user;
this.Survey = survey;
this.Answer = answer;
}
public static User GenerateNewUser()
{
User u = new User();
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
random = new Random();
u.Code = new string(
Enumerable.Repeat(chars, 30)
.Select(s => s[random.Next(s.Length)])
.ToArray());
u.Created = DateTime.Now;
return u;
}
public async Task AuthenticateWithBackend() {
if (IsAuthenticated) {
return;
//throw new Exception ("User is already authenticated with backend");
}
User user = await Backend.CreateNewUserAsync();
Application.Current.Properties ["UserAsString"] = JsonConvert.SerializeObject(user);
Application.Current.SavePropertiesAsync();
User = user;
IsAuthenticated = true;
}
public Panic(string course, User user) {
this.Course = course;
this.User = user;
this.Created = DateTime.Now;
}
public UserResponse(User user, string e)
{
this.User = user;
this.ExceptionMessage = e;
}
public void SaveUser(User user)
{
if (user.Id == 0)
{
this.Users.Add(user);
}
else
{
this.Users.Attach(user);
}
this.SaveChanges();
}
public Vote GetVoteForUser(Survey survey, User user)
{
var query = this.Votes
.Include(v => v.Answer).Include(v => v.Survey).Include(v => v.User)
.Where(v => v.Survey.Id == survey.Id && v.User.Id == user.Id);
if (query.Count() > 1)
{
this.Log(string.Format("User {0} has voted multiple times for survey {1}", user.Id, survey.Id));
}
return query.FirstOrDefault<Vote>();
}
public GetVoteForUserRequest(Survey survey, User user)
{
this.Survey = survey;
this.User = user;
}