public ActionResult Delete()
{
string contestIdString = Request.QueryString["id"];
if (string.IsNullOrEmpty(contestIdString))
{
return(new ContentResult());
}
int contestId;
if (!int.TryParse(contestIdString, out contestId))
{
return(new ContentResult());
}
ContestHandle contest = new ContestHandle(contestId);
UserHandle user = UserSession.GetUserHandle(Session);
// 检查用户操作权限。
if (!ContestAuthorization.GetUserAccess(contest, user).HasFlag(DataAccess.Write))
{
// 用户对该比赛没有写权限。
return(new ContentResult());
}
ContestManager.Default.RemoveContest(contestId);
return(new ContentResult());
}
public ActionResult ContestDetail()
{
string contestIdString = Request.QueryString["id"];
if (string.IsNullOrEmpty(contestIdString))
{
return(QueryResult(1, "Contest ID required."));
}
int contestId;
if (!int.TryParse(contestIdString, out contestId))
{
return(QueryResult(2, "Invalid contest ID."));
}
// 检查用户权限。
ContestHandle contest = new ContestHandle(contestId);
DataAccess access = ContestAuthorization.GetUserAccess(contest, UserSession.GetUserHandle(Session));
if (access == DataAccess.None)
{
return(QueryResult(3, "Access denied."));
}
else if (access == DataAccess.Read)
{
// 用户对于该场比赛处于只读状态。检查比赛的执行状态。
bool loadProblems = true;
using (ContestDataProvider contestData = ContestDataProvider.Create(contest, true))
{
if (contestData.Status == ContestStatus.Pending)
{
loadProblems = false;
}
}
return(QueryResult(ContestDisplayModel.FromContestHandle(contest, loadProblems)));
}
else
{
return(QueryResult(ContestDisplayModel.FromContestHandle(contest, true)));
}
}
public ActionResult ContestAccess()
{
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);
return(QueryResult(ContestAuthorization.GetUserAccess(contest, user)));
}
public ActionResult SetAnnouncement(FormCollection form)
{
string contestIdString = Request.QueryString["id"];
if (string.IsNullOrEmpty(contestIdString))
{
return(new ContentResult());
}
int contestId;
if (!int.TryParse(contestIdString, out contestId))
{
return(new ContentResult());
}
string announcement = form["announcementContent"];
if (string.IsNullOrEmpty(announcement))
{
return(new ContentResult());
}
// 检查用户身份权限。
ContestHandle contest = new ContestHandle(contestId);
UserHandle user = UserSession.GetUserHandle(Session);
if (!ContestAuthorization.GetUserAccess(contest, user).HasFlag(DataAccess.Write))
{
// 用户对当前的比赛没有写权限。
return(new ContentResult());
}
using (ContestDataProvider contestData = ContestDataProvider.Create(contest, false))
{
contestData.Announcement = announcement;
}
return(new ContentResult());
}