public ActionResult Participate(ParticipateContestBindingModel model)
{
if (ModelState.IsValid)
{
string userId = this.service.GetUserIdByName(User.Identity.Name);
bool isSucceeded = this.service.AddUserToContest(userId, model);
if (isSucceeded)
{
this.AddNotification($"{User.Identity.Name} was joined successfuly!", NotificationType.SUCCESS);
return(RedirectToAction("Contests"));
}
}
this.AddNotification($"{ User.Identity.Name} wasn't joined to contest!", NotificationType.ERROR);
return(RedirectToAction("Contests"));
}
public ActionResult Unparticipate(ParticipateContestBindingModel model)
{
if (ModelState.IsValid)
{
string userId = this.service.GetUserIdByName(User.Identity.Name);
bool isRemoved = this.service.RemoveUserFromContest(userId, model);
if (isRemoved)
{
this.AddNotification($"{User.Identity.Name} was retreated to this contest", NotificationType.SUCCESS);
return(RedirectToAction("Contests"));
}
}
this.AddNotification($"{User.Identity.Name} wasn't retreated to this contest", NotificationType.ERROR);
return(RedirectToAction("Contests"));
}
public bool AddUserToContest(string userId, ParticipateContestBindingModel model)
{
int regularUserId = this.db.RegularUsers.FindFirst(u => u.AppUserId == userId).Id;
this.db.Contests.FindFirst(c => c.Id == model.ContestId).Participants.Add(new ContestRegularUser
{
RegularUserId = regularUserId
});
try
{
this.db.SaveChanges();
}
catch (DbEntityValidationException)
{
return(false);
}
return(true);
}
public bool RemoveUserFromContest(string userId, ParticipateContestBindingModel model)
{
int regularUserId = this.db.RegularUsers.FindFirst(u => u.AppUserId == userId).Id;
var contestUser = this.db.Contests.FindFirst(c => c.Id == model.ContestId).Participants
.FirstOrDefault(c => c.RegularUserId == regularUserId);
this.db.Contests.FindFirst(c => c.Id == model.ContestId).Participants.Remove(contestUser);
try
{
this.db.SaveChanges();
}
catch (DbEntityValidationException)
{
return(false);
}
return(true);
}
