public IActionResult JoinActivity(int id)
{
Identity identity = UserManager.Validate(HttpContext.Session);
if (!identity.Valid)
{
return(RedirectToAction("Index", "Account"));
}
Activity activity = _context.Activities.SingleOrDefault(a => a.ActivityId == id);
User user = _context.Users.SingleOrDefault(u => u.UserId == identity.UserId);
if (activity != null && !HasJoinedActivity(activity, identity))
{
if (!TimeConflict(activity, identity))
{
ActivityUserJoin activityUserJoin = new ActivityUserJoin
{
ActivityId = activity.ActivityId,
Activity = activity,
UserId = user.UserId,
User = user
};
_context.ActivityUserJoins.Add(activityUserJoin);
_context.SaveChanges();
}
else
{
return(RedirectToAction("TimeConflict"));
}
}
return(RedirectToAction("Home"));
}
public IActionResult LeaveActivity(int id)
{
Identity identity = UserManager.Validate(HttpContext.Session);
if (!identity.Valid)
{
return(RedirectToAction("Index", "Account"));
}
ActivityUserJoin activityUserJoin = _context.ActivityUserJoins
.SingleOrDefault(auj => auj.ActivityId == id && auj.UserId == identity.UserId);
_context.ActivityUserJoins.Remove(activityUserJoin);
_context.SaveChanges();
return(RedirectToAction("Home"));
}
