public async Task <IActionResult> Index(string keyword, int pageIndex = 1, int pageSize = 10)
{
ViewData["msg"] = "";
try
{
var model = new QuestionPagingRequest()
{
keyword = keyword,
PageIndex = pageIndex,
PageSize = pageSize
};
var token = CookieEncoder.DecodeToken(Request.Cookies["access_token_cookie"]);
var allQuestions = await _questionManage.GetAllPaging(model, token);
if (allQuestions.msg != null)
{
ViewData["msg"] = allQuestions.msg;
return(View());
}
return(View(allQuestions.data));
}
catch (Exception)
{
ViewData["msg"] = "Lỗi hệ thống. Vui lòng đăng nhập lại.";
return(View());
}
}
public async Task <IActionResult> GetAllPaging(QuestionPagingRequest model)
{
var allQuestions = await _questionService.GetAllPaging(model);
if (allQuestions != null)
{
return(Ok(new ResponseBase <PagedResult <Question> >()
{
data = allQuestions
}));
}
return(Ok(new ResponseBase <PagedResult <Question> >()
{
msg = "Lỗi hệ thống"
}));
}
public async Task <IActionResult> DoingQuiz([FromQuery] int examID, int pageIndex = 1)
{
var token = CookieEncoder.DecodeToken(Request.Cookies["access_token_cookie"]);
var pagingRequest = new QuestionPagingRequest()
{
ExamID = examID,
PageIndex = pageIndex,
PageSize = 5
};
var res = await _questionService.GetByExamPaging(pagingRequest, token);
if (res != null && res.data != null)
{
var examData = res.data;
if (examData.Items.Count == 0 || examData.Items == null)
{
return(RedirectToAction("Index", "Home"));
}
var time = examData.Items.FirstOrDefault().Exam.Time;
if (time == 0)
{
ViewBag.min = null;
ViewBag.sec = null;
}
else
{
ViewBag.min = time / 60;
ViewBag.sec = time % 60;
}
Global.results = new List <Result>();
var userID = Int32.Parse(User.FindFirst("UserId").Value);
foreach (var i in examData.Items)
{
Global.results.Add(new Result()
{
UserID = userID, QuestionID = i.ID, OptChoose = "N"
});
}
Global.questions = examData.Items;
return(View(examData));
}
return(View());
}
public async Task <ResponseBase <PagedResult <Question> > > GetAllPaging(QuestionPagingRequest model, string accessToken)
{
if (accessToken != null)
{
_httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
}
var json = JsonConvert.SerializeObject(model);
var httpContent = new StringContent(json, Encoding.UTF8, "application/json");
var response = await _httpClient.PostAsync("api/Questions/Paged", httpContent);
if (response.IsSuccessStatusCode)
{
var body = await response.Content.ReadAsStringAsync();
ResponseBase <PagedResult <Question> > pagedResult = JsonConvert.DeserializeObject <ResponseBase <PagedResult <Question> > >(body);
return(pagedResult);
}
else
{
return(null);
}
}
public async Task <IActionResult> ShowQuestions(int id, string keyword, int pageIndex = 1, int pageSize = 10)
{
ViewData["SubTitle"] = "";
ViewData["msg"] = "";
ViewData["examID"] = id;
try
{
var token = CookieEncoder.DecodeToken(Request.Cookies["access_token_cookie"]);
var examName = await _examService.GetByID(id, token);
ViewData["SubTitle"] = examName != null?"Đề thi: " + examName.data.ExamName:"";
var model = new QuestionPagingRequest()
{
ExamID = id,
keyword = keyword,
PageIndex = pageIndex,
PageSize = pageSize
};
var allQuestions = await _questionManage.GetAllPaging(model, token);
if (allQuestions.msg != null)
{
ViewData["msg"] = allQuestions.msg;
return(View());
}
if (allQuestions.data.Items != null)
{
allQuestions.data.Items = allQuestions.data.Items.Where(q => q.ExamID == id).ToList();
}
return(View(allQuestions.data));
}
catch (Exception)
{
ViewData["msg"] = "Lỗi hệ thống. Vui lòng đăng nhập lại.";
return(View());
}
}
public async Task <PagedResult <Question> > GetAllPaging(QuestionPagingRequest model)
{
var allQuestions = await _db.Questions.Where(q => q.isActive == true && q.Exam.isActive == true).Include(q => q.Results).Include(q => q.Exam).ToListAsync();
// check keyword de xem co dang tim kiem hay phan loai ko
// sau do gan vao Query o tren
if (!string.IsNullOrEmpty(model.keyword))
{
allQuestions = allQuestions.Where(q => q.QuesContent.Contains(model.keyword) ||
q.Exam.ExamName.Contains(model.keyword)
).ToList();
}
if (model.ExamID > 0)
{
allQuestions = allQuestions.Where(q => q.ExamID == model.ExamID).ToList();
}
// get total row from query
int totalrecord = allQuestions.Count;
// get so trang
int soTrang = 0;
if (totalrecord > model.PageSize)
{
if (totalrecord % model.PageSize == 0)
{
soTrang = totalrecord / model.PageSize;
}
else
{
soTrang = totalrecord / model.PageSize + 1;
}
}
// get data and paging
var data = allQuestions.Skip((model.PageIndex - 1) * model.PageSize)
.Take(model.PageSize)
.Select(q => new Question()
{
ID = q.ID,
QuesContent = q.QuesContent,
Answer = q.Answer,
ExamID = q.ExamID,
ImgURL = q.ImgURL,
isActive = q.isActive,
Option1 = q.Option1,
Option2 = q.Option2,
Option3 = q.Option3,
Option4 = q.Option4,
STT = q.STT,
Exam = q.Exam,
Results = q.Results
})
.ToList();
// return
return(new PagedResult <Question>()
{
Items = data,
TotalRecords = totalrecord,
TotalPages = soTrang,
PageIndex = model.PageIndex,
PageSize = model.PageSize
});
}
