/// <summary>
/// 处理接收到的数据
/// </summary>
/// <param name="data"></param>
/// <returns>是否成功</returns>
private bool ProcessByte(ReciveData data)
{
try
{
//将收到的数据存在缓冲区
byte[] temp = new byte[data.Actual];
Array.Copy(data.Buffer, 0, temp, 0, temp.Length);
data.UserToken.DataList.AddRange(temp);
//数据超过Tcp自定义头部长度
if (data.UserToken.DataList.Count > NetWorkBase.TcpHeadLength && data.UserToken.DataList.Count >= data.UserToken.CurrentPackageLength)
{
//创建信息容器
List <ReciveData> list = new List <ReciveData>();
//处理完成后 不管连接是否失效 那信息都是有效的
DecodeData(list, data.UserToken);
if (list.Count > 0)
{
foreach (var item in list)
{
//加入队列
MCQ.Enqueue(item);
}
}
}
}
catch (Exception e)
{
data.UserToken.Reset("处理接收到的数据:" + e.Message);
return(false);
}
return(true);
}
public MCQ LoadItem(string Id)
{
var obj = new MCQ();
#region Item
string itemQuery = $"EXECUTE SP_DisplayQuestionMWQ '{Id}'";
obj.Item = _db.Database.SqlQuery <Item>(itemQuery).FirstOrDefault();
#endregion
#region Answers
string ansQuery = $"EXECUTE SP_DisplayAnswersMWQ '{Id}'";
obj.Answers = _db.Database.SqlQuery <Answer>(ansQuery).ToList();
#endregion
#region Planner
string plnQuery = $"EXECUTE SP_DisplayPlannerMWQ '{obj.Item.ILoId}'";
obj.Planner = _db.Database.SqlQuery <Planner>(plnQuery).FirstOrDefault();
#endregion
return(obj);
}
public ActionResult addQuestionsMCQ(MCQ mCQ)
{
var mcq = db.MCQs.Add(mCQ);
mcq.Cource_Code = Session["c_id"].ToString();
mcq.Title_Id = Session["title"].ToString();
db.SaveChanges();
ModelState.Clear();
return(View());
}
public async Task <IActionResult> PutQuestion([FromRoute] string id, [FromBody] dynamic question)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var questionAsJsonString = JsonConvert.SerializeObject(question);
string type = question.QuestionType;
switch (type)
{
case "MCQ":
MCQ mcqType = JsonConvert.DeserializeObject <MCQ>(questionAsJsonString);
mcqType.QuestionId = id;
await _questionService.EditQuestion(id, mcqType);
break;
case "MMCQ":
MMCQ mmcqType = JsonConvert.DeserializeObject <MMCQ>(questionAsJsonString);
mmcqType.QuestionId = id;
await _questionService.EditQuestion(id, mmcqType);
break;
//case "FillBlanks":
// FillBlanks fillBlanks = JsonConvert.DeserializeObject<FillBlanks>(questionAsJsonString);
// fillBlanks.QuestionId = id;
// await _questionService.EditQuestion(id, fillBlanks);
// break;
default:
//TrueFalse trueFalse = JsonConvert.DeserializeObject<TrueFalse>(questionAsJsonString);
//trueFalse.QuestionId = id;
//await _questionService.EditQuestion(id, trueFalse);
break;
}
return(Ok(question));
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
BLL objquestionlist = new BLL();
DataTable dtquestion = objquestionlist.GetQuizQuestionList(Convert.ToInt32(Request.QueryString["QuizID"].ToString()));
Session["QuizQuestionList"] = dtquestion;
Session["CurrentQuestionIndex"] = "0";
if (dtquestion != null && dtquestion.Rows.Count > 0)
{
DataTable dtQuestionDetails = objquestionlist.GetQuestionDetails(Convert.ToInt32(dtquestion.Rows[0][0].ToString()));
if (dtQuestionDetails != null && dtQuestionDetails.Rows.Count > 0)
{
qNo.InnerText = "1";
qtitle.InnerText = dtQuestionDetails.Rows[0]["Question_Title"].ToString();
QDesc.InnerText = dtQuestionDetails.Rows[0]["Question_Desc"].ToString();
DataTable dtoption = objquestionlist.GetOptionDetails(Convert.ToInt32(dtQuestionDetails.Rows[0]["Question_Id"].ToString()));
if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "MCQ")
{
MCQ.DataSource = dtoption;
MCQ.DataTextField = "Question_Option";
MCQ.DataValueField = "Question_Option";
MCQ.DataBind();
}
else if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "TF")
{
TF.DataSource = dtoption;
TF.DataTextField = "Question_Option";
TF.DataValueField = "Question_Option";
TF.DataBind();
}
else
{
SCQ.DataSource = dtoption;
SCQ.DataTextField = "Question_Option";
SCQ.DataValueField = "Question_Option";
SCQ.DataBind();
}
}
}
}
}
public IHttpActionResult UpdateMWQ([FromBody] MCQ model)
{
if (!ModelState.IsValid)
{
return(BadRequest("Invalid Model"));
}
if (model.Answers.Count != 0)
{
var correct = model.Answers.Where(a => a.Status == true).ToList();
if (!correct.Any())
{
return(BadRequest("Please check at leastes on correct answer"));
}
}
var result = new ItemService().EditMWQ(model);
return(Ok(result));
}
public async Task <IActionResult> PostQuestion([FromBody] dynamic question)
{
Console.WriteLine(question);
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var questionAsJsonString = JsonConvert.SerializeObject(question);
string type = question.QuestionType;
Console.WriteLine("questiontype " + type);
switch (type)
{
case "MCQ":
MCQ mcqType = JsonConvert.DeserializeObject <MCQ>(questionAsJsonString);
await _questionService.AddQuestion(mcqType);
break;
case "MMCQ":
MMCQ mmcqType = JsonConvert.DeserializeObject <MMCQ>(questionAsJsonString);
await _questionService.AddQuestion(mmcqType);
break;
//case "FillBlanks":
// FillBlanks fillBlanks = JsonConvert.DeserializeObject<FillBlanks>(questionAsJsonString);
// await _questionService.AddQuestion(fillBlanks);
// break;
default:
// TrueFalse trueFalse = JsonConvert.DeserializeObject<TrueFalse>(questionAsJsonString);
// await _questionService.AddQuestion(trueFalse);
break;
}
return(Ok(question));
}
/// <summary>
/// 信息处理
/// </summary>
/// <param name="server"></param>
public void InvokeMessage()
{
while (true)
{
ReciveData data = null;
try
{
if (MCQ.TryDequeue(out data))
{
//登陆保存会话 此处已经分配了SESSIONID
if (data.Command == Command.Login && ISessionAdd != null)
{
ISessionAdd.AddSession(data.UserToken);
data.UserToken.LoginFinish();
ISessionAdd.OnConnected(data.UserToken);
}
else if (data.Command == Command.Token)
{
data.UserToken.LastTokenDateTime = DateTime.Now;
}
else
{
//客户端定时发送心跳
data.UserToken.Token(data);
Process.Invoke(data);
}
}
else
{
Thread.Sleep(1);
}
}
catch (Exception e)
{
if (data != null)
{
data.UserToken.Reset("InvokeMessage:" + e.Message + e.StackTrace);
}
}
}
}
public ActionResult questsMCQ()
{
MCQ q = null;
if (TempData["questions"] != null)
{
Queue <MCQ> qlist = (Queue <MCQ>)TempData["questions"];
if (qlist.Count > 0)
{
q = qlist.Peek();
qlist.Dequeue();
TempData["questions"] = qlist;
TempData.Keep();
}
else
{
return(RedirectToAction("Score"));
}
}
return(PartialView(q));
}
private void Button_Click_3(object sender, RoutedEventArgs e)
{
MCQ mCQ = new MCQ();
mCQ.ShowDialog();
}
protected void PopulateQuestionDetails(int CurrentQuestionIndex)
{
BLL objquestionlist = new BLL();
DataTable dtquestion = (DataTable)Session["QuizQuestionList"];
DataTable dtAnswer;
Session["CurrentQuestionIndex"] = CurrentQuestionIndex;
if (dtquestion != null && dtquestion.Rows.Count > 0)
{
DataTable dtQuestionDetails = objquestionlist.GetQuestionDetails(Convert.ToInt32(dtquestion.Rows[CurrentQuestionIndex][0].ToString()));
if (dtQuestionDetails != null && dtQuestionDetails.Rows.Count > 0)
{
qNo.InnerText = Convert.ToString(CurrentQuestionIndex + 1);
qtitle.InnerText = dtQuestionDetails.Rows[0]["Question_Title"].ToString();
QDesc.InnerText = dtQuestionDetails.Rows[0]["Question_Desc"].ToString();
DataTable dtoption = objquestionlist.GetOptionDetails(Convert.ToInt32(dtQuestionDetails.Rows[0]["Question_Id"].ToString()));
if (Session["dtAnswer"] != null)
{
dtAnswer = (DataTable)Session["dtAnswer"];
DataTable AnsExsit = dtAnswer.AsEnumerable().Where(o => o.Field <string>("QID") == dtQuestionDetails.Rows[0]["Question_Id"].ToString()).AsDataView().ToTable();
if (AnsExsit != null && AnsExsit.Rows.Count > 0)
{
if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "MCQ")
{
string[] MCQAns = AnsExsit.Rows[0]["AnsOption"].ToString().Split(',');
MCQ.Visible = true;
MCQ.DataSource = dtoption;
MCQ.DataTextField = "Question_Option";
MCQ.DataValueField = "Question_Option";
MCQ.DataBind();
for (int i = 0; i < MCQ.Items.Count; i++)
{
foreach (string ans in MCQAns)
{
if (ans != "")
{
if (i == Convert.ToInt32(ans) - 1)
{
MCQ.Items[i].Selected = true;
// MCQAns = MCQAns + "," + Convert.ToString(i + 1);
}
}
}
}
TF.Visible = false;
SCQ.Visible = false;
}
else if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "TF")
{
TF.Visible = true;
TF.DataSource = dtoption;
TF.DataTextField = "Question_Option";
TF.DataValueField = "Question_Option";
TF.DataBind();
// TF.SelectedItem.Text = AnsExsit.Rows[0]["AnsOption"].ToString();
TF.Items.FindByText(AnsExsit.Rows[0]["AnsOption"].ToString().Trim()).Selected = true;
MCQ.Visible = false;
SCQ.Visible = false;
}
else
{
SCQ.Visible = true;
SCQ.DataSource = dtoption;
SCQ.DataTextField = "Question_Option";
SCQ.DataValueField = "Question_Option";
SCQ.DataBind();
SCQ.SelectedIndex = Convert.ToInt32(AnsExsit.Rows[0]["AnsOption"].ToString()) - 1;
MCQ.Visible = false;
TF.Visible = false;
}
}
else
{
if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "MCQ")
{
MCQ.Visible = true;
MCQ.DataSource = dtoption;
MCQ.DataTextField = "Question_Option";
MCQ.DataValueField = "Question_Option";
MCQ.DataBind();
TF.Visible = false;
SCQ.Visible = false;
}
else if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "TF")
{
TF.Visible = true;
TF.DataSource = dtoption;
TF.DataTextField = "Question_Option";
TF.DataValueField = "Question_Option";
TF.DataBind();
MCQ.Visible = false;
SCQ.Visible = false;
}
else
{
SCQ.Visible = true;
SCQ.DataSource = dtoption;
SCQ.DataTextField = "Question_Option";
SCQ.DataValueField = "Question_Option";
SCQ.DataBind();
MCQ.Visible = false;
TF.Visible = false;
}
}
}
else
{
if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "MCQ")
{
MCQ.Visible = true;
MCQ.DataSource = dtoption;
MCQ.DataTextField = "Question_Option";
MCQ.DataValueField = "Question_Option";
MCQ.DataBind();
TF.Visible = false;
SCQ.Visible = false;
}
else if (dtQuestionDetails.Rows[0]["Question_Type"].ToString() == "TF")
{
TF.Visible = true;
TF.DataSource = dtoption;
TF.DataTextField = "Question_Option";
TF.DataValueField = "Question_Option";
TF.DataBind();
MCQ.Visible = false;
SCQ.Visible = false;
}
else
{
SCQ.Visible = true;
SCQ.DataSource = dtoption;
SCQ.DataTextField = "Question_Option";
SCQ.DataValueField = "Question_Option";
SCQ.DataBind();
MCQ.Visible = false;
TF.Visible = false;
}
}
}
}
}
public ReturnMessage EditMWQ(MCQ model)
{
bool flag = IsPublishedExam(model.Item.Id);
List <Ids> Ids = new List <Ids>();
#region Item
string itemQuery = "";
if (model.Item.ILoId == null)
{
itemQuery = $"EXECUTE SP_EditMWQUnAssociate '{model.Item.Id}', N'{model.Item.Stem}', {model.Item.Duration}, '{model.Item.Level}'";
_db.Database.SqlQuery <string>(itemQuery).FirstOrDefault();
}
else
{
itemQuery = $"EXECUTE SP_EditMWQAssociate '{model.Item.Id}', N'{model.Item.Stem}', {model.Item.Duration}, '{model.Item.ILoId}', '{model.Item.Level}'";
_db.Database.SqlQuery <string>(itemQuery).FirstOrDefault();
}
if (!flag)
{
// Update ItemArchieve
string query = $"EXECUTE SP_UndateItemArchieve '{model.Item.Id}', '{model.Item.Stem}', {model.Item.Duration}, '{model.Item.Level}'";
Ids = _db.Database.SqlQuery <Ids>(query).ToList();
}
#endregion
#region Answers
string deleteansQuery = $"EXECUTE SP_DeleteAnssersBasedOnQuestion '{model.Item.Id}'";
_db.Database.SqlQuery <string>(deleteansQuery).FirstOrDefault();
ReturnMessage ans = new ReturnMessage();
foreach (var val in model.Answers)
{
string aquery = $"EXECUTE SP_CreateAnswerAlternative '{model.Item.Id}','{val.Text}','{val.Status}'";
ans = _db.Database.SqlQuery <ReturnMessage>(aquery).FirstOrDefault();
}
if (!flag)
{
foreach (var Id in Ids)
{
string deleteansArchQuery = $"EXECUTE SP_DeleteAnswersArchBasedOnQuestion '{Id.QId}'";
_db.Database.SqlQuery <string>(deleteansArchQuery).FirstOrDefault();
foreach (var answer in model.Answers)
{
string archquery = $"EXECUTE SP_CreateArchieveAlternatives '{Id.QId}','{answer.Text}','{answer.Status}','{Id.ExamId}'";
_db.Database.SqlQuery <string>(archquery).FirstOrDefault();
}
}
}
#endregion
return(ans);
}
public void AddMCQ(MultipleChoice mcq)
{
MCQ.Add(mcq);
TotalQuestions++;
}
