/// <summary>
/// 题目添加页面
/// </summary>
/// <returns>操作后的结果</returns>
public ActionResult Add()
{
ProblemEntity entity = new ProblemEntity()
{
TimeLimit = 1000,
MemoryLimit = 32768
};
return View("Edit", entity);
}
public ActionResult Add(FormCollection form)
{
ProblemEntity entity = new ProblemEntity()
{
Title = form["title"],
Description = form["description"],
Input = form["input"],
Output = form["output"],
SampleInput = form["samplein"],
SampleOutput = form["sampleout"],
Hint = form["hint"],
Source = form["source"],
TimeLimit = form["timelimit"].ToInt32(1000),
MemoryLimit = form["memorylimit"].ToInt32(32768)
};
return ResultToMessagePage(ProblemManager.AdminInsertProblem, entity, "Your have added problem successfully!");
}
/// <summary>
/// 更新题目信息
/// </summary>
/// <param name="entity">对象实体</param>
/// <returns>是否成功更新</returns>
public static IMethodResult AdminUpdateProblem(ProblemEntity entity)
{
if (!AdminManager.HasPermission(PermissionType.ProblemManage))
{
throw new NoPermissionException();
}
if (entity.ProblemID < ConfigurationManager.ProblemSetStartID)
{
return MethodResult.InvalidRequest(RequestType.Problem);
}
if (String.IsNullOrEmpty(entity.Title))
{
return MethodResult.FailedAndLog("Problem title cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.Description))
{
return MethodResult.FailedAndLog("Problem description cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.Input))
{
return MethodResult.FailedAndLog("Problem input cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.Output))
{
return MethodResult.FailedAndLog("Problem output cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.SampleInput))
{
return MethodResult.FailedAndLog("Problem sample input cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.SampleOutput))
{
return MethodResult.FailedAndLog("Problem sample output cannot be NULL!");
}
if (entity.TimeLimit <= 0)
{
return MethodResult.FailedAndLog("Time limit must not be less or equal than zero!");
}
if (entity.MemoryLimit <= 0)
{
return MethodResult.FailedAndLog("Memory limit must not be less or equal than zero!");
}
entity.LastDate = DateTime.Now;
Boolean success = ProblemRepository.Instance.UpdateEntity(entity) > 0;
if (!success)
{
return MethodResult.FailedAndLog("No problem was updated!");
}
ProblemCache.RemoveProblemCache(entity.ProblemID);//删除缓存
ProblemCache.RemoveProblemSetCache(GetProblemPageIndex(entity.ProblemID));
return MethodResult.SuccessAndLog("Admin update problem, id = {0}", entity.ProblemID.ToString());
}
/// <summary>
/// 增加一条题目
/// </summary>
/// <param name="entity">题目实体</param>
/// <returns>是否成功增加</returns>
public static IMethodResult AdminInsertProblem(ProblemEntity entity)
{
if (!AdminManager.HasPermission(PermissionType.ProblemManage))
{
throw new NoPermissionException();
}
if (String.IsNullOrEmpty(entity.Title))
{
return MethodResult.FailedAndLog("Problem title cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.Description))
{
return MethodResult.FailedAndLog("Problem description cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.Input))
{
return MethodResult.FailedAndLog("Problem input cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.Output))
{
return MethodResult.FailedAndLog("Problem output cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.SampleInput))
{
return MethodResult.FailedAndLog("Problem sample input cannot be NULL!");
}
if (String.IsNullOrEmpty(entity.SampleOutput))
{
return MethodResult.FailedAndLog("Problem sample output cannot be NULL!");
}
if (entity.TimeLimit <= 0)
{
return MethodResult.FailedAndLog("Time limit must not be less or equal than zero!");
}
if (entity.MemoryLimit <= 0)
{
return MethodResult.FailedAndLog("Memory limit must not be less or equal than zero!");
}
entity.IsHide = true;
entity.LastDate = DateTime.Now;
Boolean success = ProblemRepository.Instance.InsertEntity(entity) > 0;
if (!success)
{
return MethodResult.FailedAndLog("No problem was added!");
}
ProblemCache.IncreaseProblemSetCountCache();//更新缓存
ProblemCache.IncreaseProblemIDMaxCache();//更新缓存
ProblemCache.RemoveProblemSetCache(GetProblemPageIndex(entity.ProblemID));//删除缓存
return MethodResult.SuccessAndLog("Admin add problem, title = {0}", entity.Title);
}
/// <summary>
/// 向缓存中写入指定竞赛题目信息
/// </summary>
/// <param name="cid">竞赛ID</param>
/// <param name="pid">题目ID</param>
/// <param name="problem">竞赛题目信息</param>
public static void SetContestProblemCache(Int32 cid, Int32 pid, ProblemEntity problem)
{
if (problem != null) CacheManager.Set(GetContestProblemCacheKey(cid, pid), problem, CONTEST_PROBLEM_CACHE_TIME);
}