public bool Save(ITest test, string testName, int subject)
{
if (testName == null)
{
throw new ArgumentNullException("Значение testName не может быть null");
}
FileProcessor.ClearTmpDir(tmpDir);
for (var i = 0; i < test.Questions.Count; i++)
{
var serialized_question = test.Questions[i].Serialize();
using (FileStream file = new FileStream(tmpDir + @"\" + i + ".dat", FileMode.OpenOrCreate))
{
serialized_question.WriteTo(file);
}
}
var formatter = new BinaryFormatter();
using (FileStream file = new FileStream(tmpDir + @"\main.dat", FileMode.OpenOrCreate))
{
formatter.Serialize(file, test);
}
var stream = new MemoryStream();
FileProcessor.CompressFile(tmpDir, stream);
var testInfo = new NetSerializedTestInfo(stream.ToArray(), testName, subject);
_error = null;
connection.SendCommand(
new RequestInfo(
"SaveTest",
SequrityUtils.Encrypt(
testInfo.ToJson(),
connection.User.SecretKey),
connection.User.UserToken),
onSaveRecive
);
FileProcessor.ClearTmpDir(tmpDir);
if (_error == null)
{
return(true);
}
else
{
return(false);
}
}
private void onLoadRecive(string data)
{
loadedTest = null;
var response = ResponseInfo.FromJson(data);
if (response.Error != null)
{
_error = response.Error;
}
else
{
FileProcessor.ClearTmpDir(tmpDir);
var testInfo = NetSerializedTestInfo.FromJson(SequrityUtils.DecryptString(response.Data, connection.User.SecretKey));
using (FileStream file = new FileStream(tmpDir + @"\testtmp.test", FileMode.OpenOrCreate))
{
file.Write(testInfo.Test, 0, testInfo.Test.Length);
}
FileProcessor.DecompressFile(tmpDir + @"\testtmp.test", "");
var formatter = new BinaryFormatter();
Test test;
using (FileStream file = new FileStream(tmpDir + @"\main.dat", FileMode.Open))
{
test = (Test)formatter.Deserialize(file);
test.InitSerializedTest();
}
var i = 0;
while (File.Exists(tmpDir + @"\" + i.ToString() + ".dat"))
{
using (FileStream file = new FileStream(tmpDir + @"\" + i.ToString() + ".dat", FileMode.Open))
{
test.Questions.Add(new Question(file));
}
i++;
}
FileProcessor.ClearTmpDir(tmpDir);
loadedTest = test;
}
}
public byte[] Execute(out CommandError error)
{
var client = ClientManager.GetClient(requestData.UserToken);
if (client.Role != UserRoles.Teacher)
{
error = CommandError.NoPermissions;
return(null);
}
var testData = NetSerializedTestInfo.FromJson(SequrityUtils.DecryptString(requestData.Data, client.SecretDFKey));
var result = DBConnection.PrepareExecProcedureCommand("GetCreatorIdAndLastTestNumber", testData.Name).ExecuteReader();
var testFileId = 1;
if (result.Read())
{
if (!result.IsDBNull(0))
{
if (result.GetInt32(0) != client.UserId)
{
error = CommandError.TestNameBusy;
return(null);
}
}
if (!result.IsDBNull(1))
{
testFileId = result.GetInt32(1);
}
}
result.Close();
FileProcessor.SaveTestFile(testFileId + ".test", testData.Test);
DBConnection.PrepareExecProcedureCommand("SaveTest", testData.Name, client.UserId.ToString(), testData.Subject.ToString()).ExecuteNonQuery();
error = CommandError.None;
return(SequrityUtils.Encrypt("OK", client.SecretDFKey));
}
