public ActionResult ContestRegisterIdentity()
{
string contestIdString = Request.QueryString["id"];
if (string.IsNullOrEmpty(contestIdString))
{
return(QueryResult(1, "Contest ID is required."));
}
int contestId;
if (!int.TryParse(contestIdString, out contestId))
{
return(QueryResult(2, "Invalid contest ID."));
}
ContestHandle contest = new ContestHandle(contestId);
UserHandle user = UserSession.GetUserHandle(Session);
if (user == null)
{
// 当前会话中不存在任何活动的登录用户。
return(QueryResult(3, "User session not exist."));
}
ContestAuthorizationState authState = ContestAuthorization.GetUserAuthorizationState(contest, user);
if (authState.RegisterState == ContestRegisterState.NotRegistered ||
authState.RegisterState == ContestRegisterState.PasswordRequired)
{
return(QueryResult(string.Empty));
}
else
{
if (authState.RegisterState == ContestRegisterState.IndividualRegistered)
{
return(QueryResult(user.Username));
}
else
{
TeamHandle registeredTeam = new TeamHandle(authState.TeamId);
using (TeamDataProvider teamData = TeamDataProvider.Create(registeredTeam, true))
{
return(QueryResult(teamData.Name));
}
}
}
}
public ActionResult Verify()
{
// 检查用户操作权限。
if (!UserSession.IsAuthorized(Session))
{
return(LoginController.RequestForLogin(this));
}
// 检查 URL 查询参数。
if (string.IsNullOrEmpty(Request.QueryString["id"]))
{
return(Redirect("~/Contest"));
}
int id;
if (!int.TryParse(Request.QueryString["id"], out id))
{
return(Redirect("~/Contest"));
}
ContestHandle contest = new ContestHandle(id);
UserHandle user = new UserHandle(UserSession.GetUsername(Session));
ContestAuthorizationState state = ContestAuthorization.GetUserAuthorizationState(contest, user);
switch (state.RegisterState)
{
case ContestRegisterState.IndividualRegistered:
case ContestRegisterState.TeamRegistered:
return(Redirect($"~/Contest/Show?id={id}"));
case ContestRegisterState.PasswordRequired:
return(View());
case ContestRegisterState.NotRegistered:
default:
ViewBag.Failed = true;
return(View());
}
}
