/// <summary>
/// 添加题目 所有赛制必须填充 Name,Content,Comparer,Owner,DataChecker CF赛制还须填充OriginRating
/// </summary>
/// <param name="problem"></param>
/// <exception cref="UserNotLoginException"></exception>
/// <exception cref="PermissionDeniedException"></exception>
/// <exception cref="ProblemNameExistedException"></exception>
/// <exception cref="UserNotFoundException"></exception>
public void AddProblem(Problem problem)
{
if (null == User.CurrentUser)
throw new UserNotLoginException();
if (!Owner.Contains(User.CurrentUser.name)
&& !User.CurrentUser.IsAdmin)
throw new PermissionDeniedException();
using (var db = new CHDB())
{
problem.Name = Helper.GetLegalName(problem.Name);
if ((from p in db.PROBLEMs
where p.Name == problem.Name && p.CONTEST1.ID==ID
select p).Any())
throw new ProblemNameExistedException();
var owner = (from u in db.USERs
where u.Name == problem.Owner
select u).SingleOrDefault();
if (null == owner)
throw new UserNotFoundException();
db.PROBLEMs.Add(new PROBLEM()
{
ID = Guid.NewGuid(),
Name = problem.Name,
Content = problem.Content,
Comparer = problem.Comparer,
ComparerLanguage = (int)problem.ComparerLanguage,
OriginRating = problem.OriginRating,
DataChecker = problem.DataChecker,
DataCheckerLanguage = (int)problem.DataCheckerLanguage,
CONTEST1 = (from c in db.CONTESTs
where c.ID == ID
select c).Single(),
OWNER = owner
});
db.SaveChanges();
}
}
List<TestCase> AddTestCase(Contest contest, Problem problem, HttpPostedFileBase file)
{
if (file == null)
{
ModelState.AddModelError("File", "请选择文件");
return null;
}
Dictionary<int, byte[]> inputFiles = new Dictionary<int, byte[]>();
Dictionary<int, byte[]> outputFiles = new Dictionary<int, byte[]>();
if (new[] { "application/zip", "application/x-zip-compressed", "application/x-zip" }.Contains(file.ContentType)
|| file.ContentType == "application/octet-stream" && file.FileName.EndsWith(".zip", StringComparison.OrdinalIgnoreCase))
{
using (ZipInputStream stream = new ZipInputStream(file.InputStream))
{
ZipEntry entry;
while ((entry = stream.GetNextEntry()) != null)
{
byte[] bytes;
using (MemoryStream mem = new MemoryStream())
{
stream.CopyTo(mem);
bytes = mem.ToArray();
}
if (!DealEntry(entry.Name, bytes, inputFiles, outputFiles))
{
return null;
}
}
}
}
else if (file.FileName.EndsWith(".tgz") || file.FileName.EndsWith(".tar.gz"))
{
using (GZipStream stream = new GZipStream(file.InputStream, CompressionMode.Decompress))
{
using (TarInputStream tar = new TarInputStream(stream))
{
TarEntry entry;
while ((entry = tar.GetNextEntry()) != null)
{
byte[] bytes;
using (MemoryStream mem = new MemoryStream())
{
tar.CopyTo(mem);
bytes = mem.ToArray();
}
if (!DealEntry(entry.Name, bytes, inputFiles, outputFiles))
{
return null;
}
}
}
}
}
else if (file.FileName.EndsWith(".tar.bz2"))
{
using (BZip2InputStream stream = new BZip2InputStream(file.InputStream))
{
using (TarInputStream tar = new TarInputStream(stream))
{
TarEntry entry;
while ((entry = tar.GetNextEntry()) != null)
{
byte[] bytes;
using (MemoryStream mem = new MemoryStream())
{
tar.CopyTo(mem);
bytes = mem.ToArray();
}
if (!DealEntry(entry.Name, bytes, inputFiles, outputFiles))
{
return null;
}
}
}
}
}
else
{
ModelState.AddModelError("File", "不支持的压缩文件类型");
return null;
}
if (!inputFiles.Keys.OrderBy(x => x).SequenceEqual(outputFiles.Keys.OrderBy(x => x)))
{
ModelState.AddModelError("File", "输入与输出文件没有一一对应");
return null;
}
var testCases = inputFiles.Keys.Select(id => new TestCase
{
Input = inputFiles[id],
Data = outputFiles[id],
MemoryLimit = DEFAULT_TEST_CASE_MEMORY_LIMIT,
TimeLimit = DEFAULT_TEST_CASE_TIME_LIMIT,
Available = contest.Type == Contest.ContestType.CF ? false : true
}).ToList();
foreach (var t in testCases)
{
t.ID = problem.AddTestCase(t);
}
return testCases;
}