/// <summary>
/// 更新题目隐藏状态
/// </summary>
/// <param name="ids">题目ID列表</param>
/// <param name="isHide">隐藏状态</param>
/// <returns>是否成功更新</returns>
public static IMethodResult AdminUpdateProblemIsHide(String ids, Boolean isHide)
{
if (!AdminManager.HasPermission(PermissionType.ProblemManage))
{
throw new NoPermissionException();
}
if (!RegexVerify.IsNumericIDs(ids))
{
return(MethodResult.InvalidRequest(RequestType.Problem));
}
Boolean success = ProblemRepository.Instance.UpdateEntityIsHide(ids, isHide) > 0;
if (!success)
{
return(MethodResult.FailedAndLog("No problem was {0}!", isHide ? "hided" : "unhided"));
}
ids.ForEachInIDs(',', id =>
{
ProblemCache.RemoveProblemCache(id); //删除缓存
ProblemCache.RemoveProblemSetCache(GetProblemPageIndex(id)); //删除缓存
});
return(MethodResult.SuccessAndLog("Admin {1} problem, id = {0}", ids, isHide ? "hide" : "unhide"));
}
/// <summary>
/// 增加一条提交
/// </summary>
/// <param name="entity">对象实体</param>
/// <param name="userip">用户IP</param>
/// <returns>是否成功增加</returns>
public static Boolean InsertSolution(SolutionEntity entity, String userip)
{
if (!UserManager.IsUserLogined)
{
throw new UserUnLoginException();
}
if (String.IsNullOrEmpty(entity.SourceCode) || entity.SourceCode.Length < SolutionRepository.SOURCECODE_MINLEN)
{
throw new InvalidInputException("Code is too short!");
}
if (entity.SourceCode.Length > SolutionRepository.SOURCECODE_MAXLEN)
{
throw new InvalidInputException("Code is too long!");
}
if (LanguageType.IsNull(entity.LanguageType))
{
throw new InvalidInputException("Language Type is INVALID!");
}
if (!UserSubmitStatus.CheckLastSubmitSolutionTime(UserManager.CurrentUserName))
{
throw new InvalidInputException(String.Format("You can not submit code more than twice in {0} seconds!", ConfigurationManager.SubmitInterval.ToString()));
}
ProblemEntity problem = ProblemManager.InternalGetProblemModel(entity.ProblemID);
if (problem == null)//判断题目是否存在
{
throw new NullResponseException(RequestType.Problem);
}
if (entity.ContestID <= 0 && problem.IsHide && !AdminManager.HasPermission(PermissionType.ProblemManage))//非竞赛下判断是否有权访问题目
{
throw new NoPermissionException("You have no privilege to submit the problem!");
}
entity.UserName = UserManager.CurrentUserName;
entity.SubmitTime = DateTime.Now;
entity.SubmitIP = userip;
Boolean success = SolutionRepository.Instance.InsertEntity(entity) > 0;
if (success)
{
ProblemCache.UpdateProblemCacheSubmitCount(entity.ProblemID, -1);//更新缓存
SolutionCache.RemoveProblemIDListCache(entity.UserName, true);
}
return(success);
}
/// <summary>
/// 获取题目列表总数(有缓存)
/// </summary>
/// <returns>获取题目列表总数</returns>
private static Int32 CountProblemsByMaxID()
{
Int32 maxID = ProblemCache.GetProblemIDMaxCache();//获取缓存
if (maxID < 0)
{
maxID = ProblemRepository.Instance.GetMaxProblemID();
ProblemCache.SetProblemIDMaxCache(maxID);//设置缓存
}
return(maxID - ConfigurationManager.ProblemSetStartID + 1);
}
/// <summary>
/// 获取题目列表总数(有缓存)
/// </summary>
/// <returns>题目列表总数</returns>
/// <remarks>
/// 目前只有后台首页欢迎页面在使用该数据
/// 前台分页使用CountProblemsByMaxID
/// </remarks>
public static Int32 CountProblems()
{
Int32 recordCount = ProblemCache.GetProblemSetCountCache();//获取缓存
if (recordCount < 0)
{
recordCount = ProblemRepository.Instance.CountEntities();
ProblemCache.SetProblemSetCountCache(recordCount);//设置缓存
}
return(recordCount);
}
/// <summary>
/// 获取题目列表
/// </summary>
/// <param name="pageIndex">页面索引</param>
/// <param name="pageSize">页面大小</param>
/// <returns>题目列表</returns>
public static PagedList <ProblemEntity> GetProblemSet(Int32 pageIndex)
{
Int32 pageSize = ProblemManager.PROBLEM_SET_PAGE_SIZE;
Int32 recordCount = ProblemManager.CountProblemsByMaxID();
List <ProblemEntity> list = ProblemCache.GetProblemSetCache(pageIndex);//获取缓存
if (list == null)
{
list = ProblemRepository.Instance.GetEntitiesForProblemSet(pageIndex, pageSize);
ProblemCache.SetProblemSetCache(pageIndex, list);//设置缓存
}
list = ProblemManager.GetUserCanViewProblemList(list);
return(list.ToPagedList(pageSize, recordCount));
}
/// <summary>
/// 根据ID得到一个题目实体
/// </summary>
/// <param name="id">题目ID</param>
/// <returns>题目实体</returns>
internal static ProblemEntity InternalGetProblemModel(Int32 id)
{
ProblemEntity problem = ProblemCache.GetProblemCache(id);//获取缓存
if (problem == null)
{
problem = ProblemRepository.Instance.GetEntity(id);
if (problem != null)
{
problem.SampleInput = HtmlEncoder.HtmlEncode(problem.SampleInput);
problem.SampleOutput = HtmlEncoder.HtmlEncode(problem.SampleOutput);
ProblemCache.SetProblemCache(problem);//设置缓存
}
}
return(problem);
}
/// <summary>
/// 更新题目通过总数
/// </summary>
/// <param name="problemID">题目ID</param>
/// <returns>是否成功更新</returns>
public static IMethodResult AdminUpdateProblemSolvedCount(Int32 problemID)
{
if (!AdminManager.HasPermission(PermissionType.ProblemManage))
{
throw new NoPermissionException();
}
if (problemID < ConfigurationManager.ProblemSetStartID)
{
return(MethodResult.InvalidRequest(RequestType.Problem));
}
Boolean success = ProblemRepository.Instance.UpdateEntitySolvedCount(problemID) > 0;
if (!success)
{
return(MethodResult.FailedAndLog("No problem's solved count was recalculated!"));
}
ProblemCache.RemoveProblemCache(problemID); //删除缓存
ProblemCache.RemoveProblemSetCache(GetProblemPageIndex(problemID)); //删除缓存
return(MethodResult.SuccessAndLog("Admin update problem's solved count, id = {0}", problemID.ToString()));
}
/// <summary>
/// 导入题目（不存在时返回null）
/// </summary>
/// <param name="request">Http请求</param>
/// <param name="fileType">文件类型</param>
/// <param name="uploadType">上传方式</param>
/// <param name="content">文件内容</param>
/// <param name="file">上传文件</param>
/// <returns>题目数据是否插入成功集合（全部失败时为null）</returns>
public static IMethodResult AdminImportProblem(HttpRequestBase request, String fileType, String uploadType, String content, HttpPostedFileBase file)
{
if (!AdminManager.HasPermission(PermissionType.SuperAdministrator))
{
throw new NoPermissionException();
}
if (!String.Equals("1", fileType))
{
return(MethodResult.FailedAndLog("File type is INVALID!"));
}
if (String.Equals("1", uploadType))//从文件上传
{
if (file == null)
{
return(MethodResult.FailedAndLog("No file was uploaded!"));
}
StreamReader sr = new StreamReader(file.InputStream);
content = sr.ReadToEnd();
}
//转换题库模型
List <ProblemEntity> problems = null;
List <Byte[]> datas = null;
List <Dictionary <String, Byte[]> > images = null;
Dictionary <String, Byte[]> imagefiles = new Dictionary <String, Byte[]>();
if (!ProblemImport.TryImportFreeProblemSet(content, out problems, out datas, out images))
{
return(MethodResult.FailedAndLog("File content is INVALID!"));
}
if (problems == null || problems.Count == 0)
{
return(MethodResult.FailedAndLog("No problem was imported!"));
}
//处理题目及图片路径
for (Int32 i = 0; i < problems.Count; i++)
{
problems[i].IsHide = true;
problems[i].LastDate = DateTime.Now;
if (images[i] == null)
{
continue;
}
String uploadRoot = ConfigurationManager.UploadDirectoryUrl;
foreach (KeyValuePair <String, Byte[]> pair in images[i])
{
if (pair.Value == null || !pair.Key.Contains("."))
{
continue;
}
String oldUrl = pair.Key;
String fileNewName = MD5Encrypt.EncryptToHexString(oldUrl + DateTime.Now.ToString("yyyyMMddHHmmssffff"), true) + pair.Key.Substring(pair.Key.LastIndexOf('.'));
String newUrl = uploadRoot + fileNewName;
problems[i].Description = problems[i].Description.Replace(oldUrl, newUrl);
problems[i].Input = problems[i].Input.Replace(oldUrl, newUrl);
problems[i].Output = problems[i].Output.Replace(oldUrl, newUrl);
problems[i].Hint = problems[i].Hint.Replace(oldUrl, newUrl);
imagefiles[fileNewName] = pair.Value;
}
}
//将题目插入到数据库
List <Int32> pids = ProblemRepository.Instance.InsertEntities(problems);
if (pids == null || pids.Count == 0)
{
return(MethodResult.FailedAndLog("Failed to import problem!"));
}
//保存题目数据
Dictionary <Int32, Boolean> dataadded = new Dictionary <Int32, Boolean>();
for (Int32 i = 0; i < pids.Count; i++)
{
if (pids[i] < 0)
{
continue;
}
try
{
if (datas[i] != null)
{
IMethodResult ret = ProblemDataManager.InternalAdminSaveProblemData(pids[i], datas[i]);
if (!ret.IsSuccess)
{
return(ret);
}
dataadded[pids[i]] = true;
}
}
catch
{
dataadded[pids[i]] = false;
}
ProblemCache.IncreaseProblemSetCountCache(); //更新缓存
ProblemCache.IncreaseProblemIDMaxCache(); //更新缓存
ProblemCache.RemoveProblemSetCache(GetProblemPageIndex(pids[i])); //删除缓存
}
//保存题目图片
foreach (KeyValuePair <String, Byte[]> pair in imagefiles)
{
try
{
UploadsManager.InternalAdminSaveUploadFile(pair.Value, pair.Key);
}
catch { }
}
return(MethodResult.SuccessAndLog <Dictionary <Int32, Boolean> >(dataadded, "Admin import problem, id = {0}", String.Join(",", pids)));
}
/// <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));
}
