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pagination fix

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This commit is contained in:
Hamid Reza Mohammadi 2026-08-30 07:41:08 +03:30
parent 5ce907e88c
commit ded7dc47c6
1 changed files with 52 additions and 13 deletions
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65
GanjooRazor/Areas/Admin/Pages/Users.cshtml.cs
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@ -66,19 +66,7 @@ namespace GanjooRazor.Areas.Admin.Pages
Paging = JsonConvert.DeserializeObject<PaginationMetadata>(values.FirstOrDefault());
if (Paging != null)
{
for (int p = 1; p <= Paging.totalPages; p++)
{
var pageUrl = $"?pageNumber={p}&pageSize={PageSize}";
if (!string.IsNullOrEmpty(FilterByEmail))
pageUrl += $"&filterByEmail={Uri.EscapeDataString(FilterByEmail)}";
if (!string.IsNullOrEmpty(FilterByNickName))
pageUrl += $"&filterByNickName={Uri.EscapeDataString(FilterByNickName)}";
PaginationLinks.Add(new NameIdUrlImage()
{
Name = p.ToString(),
Url = p == PageNumber ? "" : pageUrl
});
}
PaginationLinks = BuildPaginationLinks(PageNumber, Paging.totalPages, PageSize, FilterByEmail, FilterByNickName);
}
}
}
@ -96,6 +84,57 @@ namespace GanjooRazor.Areas.Admin.Pages
return Page();
}
/// <summary>
/// Builds a compact pager: first/prev, a window of page numbers around the
/// current page (with first/last always included and "…" for gaps), next/last.
/// Avoids listing every single page number when there are many pages.
/// </summary>
private static List<NameIdUrlImage> BuildPaginationLinks(int currentPage, int totalPages, int pageSize, string filterByEmail, string filterByNickName)
{
var links = new List<NameIdUrlImage>();
if (totalPages < 1)
return links;
string UrlFor(int p)
{
var u = $"?pageNumber={p}&pageSize={pageSize}";
if (!string.IsNullOrEmpty(filterByEmail))
u += $"&filterByEmail={Uri.EscapeDataString(filterByEmail)}";
if (!string.IsNullOrEmpty(filterByNickName))
u += $"&filterByNickName={Uri.EscapeDataString(filterByNickName)}";
return u;
}
// first / previous
links.Add(new NameIdUrlImage() { Name = "▶▶ اول", Url = currentPage <= 1 ? "" : UrlFor(1) });
links.Add(new NameIdUrlImage() { Name = "▶ قبلی", Url = currentPage <= 1 ? "" : UrlFor(currentPage - 1) });
// window of page numbers around current, always including page 1 and totalPages
const int windowRadius = 2;
var pagesToShow = new SortedSet<int>();
for (int p = Math.Max(1, currentPage - windowRadius); p <= Math.Min(totalPages, currentPage + windowRadius); p++)
pagesToShow.Add(p);
pagesToShow.Add(1);
pagesToShow.Add(totalPages);
int? previousShown = null;
foreach (var p in pagesToShow)
{
if (previousShown.HasValue && p > previousShown.Value + 1)
{
links.Add(new NameIdUrlImage() { Name = "…", Url = "" });
}
links.Add(new NameIdUrlImage() { Name = p.ToString(), Url = p == currentPage ? "" : UrlFor(p) });
previousShown = p;
}
// next / last
links.Add(new NameIdUrlImage() { Name = "بعدی ◀", Url = currentPage >= totalPages ? "" : UrlFor(currentPage + 1) });
links.Add(new NameIdUrlImage() { Name = "آخر ◀◀", Url = currentPage >= totalPages ? "" : UrlFor(totalPages) });
return links;
}
/// <summary>
/// role names for a specific user - ?handler=Roles&id=...
/// </summary>