public async Task <IActionResult> Get()
{
var pagination = Request.Headers["Pagination"];
if (!string.IsNullOrEmpty(pagination))
{
string[] vals = pagination.ToString().Split(',');
int.TryParse(vals[0], out page);
int.TryParse(vals[1], out pageSize);
}
int currentPage = page;
int currentPageSize = pageSize;
var totalCourses = await _coursesRepository.CountAsync();
var totalPages = (int)Math.Ceiling((double)totalCourses / pageSize);
IEnumerable <Course> courses = _coursesRepository
.AllIncluding(c => c.Department)
.OrderBy(c => c.CourseID)
.Skip((currentPage - 1) * currentPageSize)
.Take(currentPageSize)
.ToList();
Response.AddPagination(page, pageSize, totalCourses, totalPages);
IEnumerable <CourseViewModel> coursesVM = Mapper.Map <IEnumerable <Course>, IEnumerable <CourseViewModel> >(courses);
return(new OkObjectResult(coursesVM));
}