/// <summary>
/// 将Free Problem Data转换为题目数据包
/// </summary>
/// <param name="fpd">Free Problem Data</param>
/// <returns>题目数据包</returns>
public static Byte[] ConvertFreeProblemDataToZipFile(List <FreeProblemDataPair> fpds)
{
if (fpds == null || fpds.Count < 1)
{
return(null);
}
ProblemDataWriter writer = new ProblemDataWriter();
for (Int32 i = 0; i < fpds.Count; i++)
{
writer.WriteData(fpds[i].Input, fpds[i].Output);
}
return(writer.WriteTo());
}
/// <summary>
/// 保存题目数据文件到磁盘
/// </summary>
/// <param name="problemID">题目ID</param>
/// <param name="forms">Request.Forms</param>
/// <param name="httpFiles">Request.Files</param>
/// <returns>是否保存成功</returns>
public static IMethodResult AdminSaveProblemData(Int32 problemID, NameValueCollection forms, HttpFileCollectionBase httpFiles)
{
if (!AdminManager.HasPermission(PermissionType.ProblemManage))
{
throw new NoPermissionException();
}
if (problemID < ConfigurationManager.ProblemSetStartID)
{
return(MethodResult.InvalidRequest(RequestType.Problem));
}
SortedDictionary <String, String> dictData = new SortedDictionary <String, String>();
if (httpFiles != null)
{
for (Int32 i = 0; i < httpFiles.Count; i++)
{
HttpPostedFileBase file = httpFiles[i];
if (String.IsNullOrEmpty(file.FileName))
{
return(MethodResult.FailedAndLog("Filename can not be NULL!"));
}
FileInfo fi = new FileInfo(file.FileName);
if (httpFiles.GetKey(i).IndexOf("in", StringComparison.OrdinalIgnoreCase) == 0 && !".in".Equals(fi.Extension, StringComparison.OrdinalIgnoreCase))
{
return(MethodResult.FailedAndLog("Filename is INVALID!"));
}
if (httpFiles.GetKey(i).IndexOf("out", StringComparison.OrdinalIgnoreCase) == 0 && !".out".Equals(fi.Extension, StringComparison.OrdinalIgnoreCase) && !".ans".Equals(fi.Extension, StringComparison.OrdinalIgnoreCase))
{
return(MethodResult.FailedAndLog("Filename is INVALID!"));
}
if (file.ContentLength <= 0)
{
return(MethodResult.FailedAndLog("You can not upload empty file!"));
}
StreamReader sr = new StreamReader(file.InputStream);
dictData.Add(httpFiles.GetKey(i), sr.ReadToEnd());
}
}
if (forms != null)
{
for (Int32 i = 0; i < forms.Count; i++)
{
if (forms.GetKey(i).IndexOf("in", StringComparison.OrdinalIgnoreCase) == 0 || forms.GetKey(i).IndexOf("out", StringComparison.OrdinalIgnoreCase) == 0)
{
dictData.Add(forms.GetKey(i), forms[i]);
}
}
}
if (dictData.Count == 0)
{
return(MethodResult.FailedAndLog("No data was added!"));
}
if (dictData.Count % 2 != 0)
{
return(MethodResult.FailedAndLog("The count of uploaded data is INVALID!"));
}
ProblemDataWriter writer = new ProblemDataWriter();
foreach (KeyValuePair <String, String> pair in dictData)
{
if (pair.Key.IndexOf("in", StringComparison.OrdinalIgnoreCase) == 0)
{
String input = pair.Value;
String output = String.Empty;
if (!dictData.TryGetValue(pair.Key.ToLower().Replace("in", "out"), out output))
{
return(MethodResult.FailedAndLog("The count of uploaded data is INVALID!"));
}
writer.WriteData(input, output);
}
}
String fileNewName = problemID.ToString() + ".zip";
String savePath = Path.Combine(ConfigurationManager.ProblemDataPath, fileNewName);
Byte[] data = writer.WriteTo();
File.WriteAllBytes(savePath, data);
ProblemDataCache.RemoveProblemDataVersionCache(problemID);
return(MethodResult.SuccessAndLog("Admin create problem data, id = {0}", problemID.ToString()));
}