public ActionResult <IEnumerable <Quiz> > GetQuizzes([FromQuery] PageInfoDTO pageInfo)
{
if (pageInfo == null || pageInfo.CurrentPage <= 0 || pageInfo.MaxRecord <= 0)
{
return(BadRequest());
}
if (pageInfo.SearchValue == null)
{
pageInfo.SearchValue = "";
}
var quizzes = _quizzesRepository.GetQuizzes(pageInfo);
var quizzesDTO = _mapper.Map <IEnumerable <QuizDTO> >(quizzes);
int maxPage = _quizzesRepository.GetMaxPage(pageInfo);
string url = Url.Link("GetQuizzes", null);
var pagingQuiz = new PagingQuizDTO
{
SearchValue = pageInfo.SearchValue,
CurrentPage = pageInfo.CurrentPage,
MaxPage = maxPage,
NextPage = pageInfo.CurrentPage >= maxPage ? null : $"{url}?SearchValue={pageInfo.SearchValue}&CurrentPage={pageInfo.CurrentPage + 1}&MaxRecord={pageInfo.MaxRecord}",
PreviousPage = pageInfo.CurrentPage <= 1 ? null : $"{url}?SearchValue={pageInfo.SearchValue}&CurrentPage={pageInfo.CurrentPage - 1}&MaxRecord={pageInfo.MaxRecord}",
Quizzes = quizzesDTO,
};
return(Ok(pagingQuiz));
}
public ViewModelBase()
{
List = new List <Dto>();
Item = new Dto();
ItemDetail = new DDto();
PageInfo = new PageInfoDTO();
}
public async Task <IActionResult> AddOrUpdate([FromForm] PageInfoDTO pageInfoDTO)
{
var execResult = await _service.AddOrUpdate(pageInfoDTO);
if (execResult.IsSuccess)
{
return(Success(execResult.Result));
}
else
{
return(BadRequest(execResult.Error));
}
}
public IEnumerable <Quiz> GetQuizzesForTeacher(PageInfoDTO pageInfo, string teacherId)
{
int offset = (pageInfo.CurrentPage - 1) * pageInfo.MaxRecord;
var quizzes = _letQuizContext.Quizzes.Select(q => new Quiz
{
QuizId = q.QuizId,
Name = q.Name,
Password = q.Password,
CreateDate = q.CreateDate,
Duration = q.Duration,
MaxPoint = q.MaxPoint,
Account = new Account
{
Username = q.Account.Username
},
IsExpire = q.IsExpire
}).Where(q => (q.Name.Contains(pageInfo.SearchValue) && q.Account.Username == teacherId)).OrderByDescending(q => q.CreateDate).Skip(offset).Take(pageInfo.MaxRecord).ToList();
return(quizzes);
}
public int GetMaxPageForTeacher(PageInfoDTO pageInfo, string teacherId)
{
var numRecord = _letQuizContext.Quizzes.Where(q => (q.Name.Contains(pageInfo.SearchValue) && q.Account.Username == teacherId)).Count();
return((int)Math.Ceiling((numRecord * 1.0) / pageInfo.MaxRecord));
}
public int GetMaxPage(PageInfoDTO pageInfo)
{
var numRecord = _letQuizContext.Quizzes.Where(q => q.IsExpire == false && q.Name.Contains(pageInfo.SearchValue)).Count();
return((int)Math.Ceiling((numRecord * 1.0) / pageInfo.MaxRecord));
}
