public async Task <ApiResult <PagedResult <CourseVm> > > GetAllBySubject(GetPagingBySubjectRequest request)
{
var query = from c in _context.Courses
join t in _context.Teachers on c.Id_Teacher equals t.Id
join s in _context.Subjects on c.Id_Subject equals s.Id_Subject
where s.Id_Subject == request.Id_Subject
select new { c, t, s };
//filter
if (!string.IsNullOrEmpty(request.Keyword))
{
query = query.Where(x => x.c.Name.Contains(request.Keyword) || x.t.FullName.Contains(request.Keyword) || x.s.Name.Contains(request.Keyword));
}
//Paging
int totalRow = await query.CountAsync();
var data = await query.Skip((request.PageIndex - 1) *request.PageSize)
.Take(request.PageSize)
.Select(x => new CourseVm()
{
Id_Course = x.c.Id_Course,
Name = x.c.Name,
NameTeacher = x.t.FullName,
NameSubject = x.s.Name,
DateBegin = x.c.DateBegin,
DateEnd = x.c.DateEnd,
Semester = x.c.Semester,
SchoolYear = x.c.SchoolYear,
DateCreate = x.c.DateCreate,
DateUpdate = x.c.DateUpdate,
}).ToListAsync();
var pagedResult = new PagedResult <CourseVm>()
{
TotalRecords = totalRow,
PageSize = request.PageSize,
PageIndex = request.PageIndex,
Items = data
};
return(new ApiSuccessResult <PagedResult <CourseVm> >(pagedResult));
}
public async Task <IActionResult> GetAllBySubject([FromQuery] GetPagingBySubjectRequest request)
{
var courses = await _courseService.GetAllBySubject(request);
return(Ok(courses));
}
