public async Task OnGetAsync(string searchString, int?currentPage, int?pageSize)
{
PageSize = pageSize.HasValue ? pageSize.Value : PaginationConstants.DefaultPageSize;
if (!string.IsNullOrEmpty(searchString))
{
SearchString = searchString;
TotalItems = await _repository.CountAsync(new AlumnoSpec(new AlumnoFilter {
Apellido = searchString, IsPagingEnabled = false
}));
}
else
{
TotalItems = await _repository.CountAsync(new AlumnoSpec(new AlumnoFilter {
IsPagingEnabled = false
}));
}
Pager = new Pager(TotalItems, currentPage.HasValue ? currentPage.Value : PaginationConstants.DefaultPage, PageSize);
var filter = new AlumnoFilter();
filter.IsPagingEnabled = true;
filter.Apellido = searchString;
filter.PageSize = Pager.PageSize;
filter.Page = Pager.CurrentPage;
Alumnos = await _repository.ListAsync(new AlumnoSpec(filter));
}
public AlumnoSpec(AlumnoFilter filter)
{
Query.OrderBy(x => x.Apellido).ThenByDescending(x => x.Id);
if (filter.IsPagingEnabled)
{
Query.Skip(PaginationHelper.CalculateSkip(filter))
.Take(PaginationHelper.CalculateTake(filter));
}
if (!string.IsNullOrEmpty(filter.Apellido))
{
Query.Search(x => x.Apellido, "%" + filter.Apellido + "%");
}
}
