//fazer melhorias na paginação!!!
public IActionResult NextPage(int id, int currentPage)
{
var pag = _context.Pagination.FirstOrDefault(p => p.CurrentPage != 0);
Pagination pagination = new Pagination();
PublicationProductViewModel page = new PublicationProductViewModel();
var NumberOfPage = pag.CurrentPage;
if (NumberOfPage == 0)
{
NumberOfPage = 1;
}
NumberOfPage++;
if (NumberOfPage <= pag.CurrentPage)
{
NumberOfPage = pag.CurrentPage;
}
pagination.CurrentPage = NumberOfPage;
//ViewData["Page"] = "active";
_context.Pagination.Update(pagination);
_context.SaveChanges();
page = BuildPage(id, NumberOfPage);
var TotalPages = page.TotalPages;
if (NumberOfPage > TotalPages)
{
NumberOfPage = TotalPages;
}
return(RedirectToAction(nameof(ShowPublication), new { id = id, NumberOfPage = NumberOfPage, TotalPages = TotalPages }));
}
public IActionResult ShowPublication(int id, int NumberOfPage, int TotalPages)
{
Pagination pagination = new Pagination();
PublicationProductViewModel page = new PublicationProductViewModel();
if (NumberOfPage == 0 && TotalPages == 0)
{
page = ChangePage(pagination, id, 1, TotalPages); //Current page é 1
return(View(page));
}
else if (NumberOfPage <= 0)
{
page = ChangePage(pagination, id, 1, TotalPages); //Current page é 1
return(View(page));
}
else if (NumberOfPage >= TotalPages)
{
page = ChangePage(pagination, id, TotalPages, TotalPages); //Current page é o total de páginas
return(View(page));
}
else
{
page = ChangePage(pagination, id, NumberOfPage, TotalPages); //Current page é o número da pagina atual
return(View(page));
}
}
private PublicationProductViewModel BuildPage(int id, int currentPage)
{
var page = _productService.FindProductById(id);
Manual manual = JsonConvert.DeserializeObject <Manual>(page.Json);
PublicationProductViewModel publication = new PublicationProductViewModel();
publication.NumberOfPage = currentPage;
publication.TotalPages = manual.TotalPages;
publication.Name = manual.Name;
publication.Sections = manual.Sections;
publication.Chapters = manual.Chapters;
publication.Paragraphs = manual.Paragraphs;
var text = manual.Paragraphs.Where(p => p.NumberOfPage == currentPage).ToList();
Concat concat = new Concat(text);
var texts = concat.WriteText(text);
publication.Texts = texts;
publication.id = id;
return(publication);
}
