feat(frontend): proper pagination with page numbers and ellipsis

thoughts-frontend/app/page.tsx

@@ -18,13 +18,7 @@ import { buildThoughtThreads } from "@/lib/utils";
 import { TopFriends } from "@/components/top-friends";
 import { UsersCount } from "@/components/users-count";
 
-import {
-  Pagination,
-  PaginationContent,
-  PaginationItem,
-  PaginationNext,
-  PaginationPrevious,
-} from "@/components/ui/pagination";
+import { PaginationNav } from "@/components/pagination-nav";
 import { redirect } from "next/navigation";
 
 export const metadata: Metadata = {
@@ -127,24 +121,11 @@ async function FeedPage({
               </p>
             )}
           </div>
-          {totalPages > 1 && (
-          <Pagination className="mt-8">
-            <PaginationContent>
-              <PaginationItem>
-                <PaginationPrevious
-                  href={page > 1 ? `/?page=${page - 1}` : "#"}
-                  aria-disabled={page <= 1}
-                />
-              </PaginationItem>
-              <PaginationItem>
-                <PaginationNext
-                  href={page < totalPages ? `/?page=${page + 1}` : "#"}
-                  aria-disabled={page >= totalPages}
-                />
-              </PaginationItem>
-            </PaginationContent>
-          </Pagination>
-          )}
+          <PaginationNav
+            page={page}
+            totalPages={totalPages}
+            buildHref={(p) => `/?page=${p}`}
+          />
         </main>
 
         <aside className="hidden lg:block lg:col-span-1">

thoughts-frontend/app/users/all/page.tsx

@@ -1,12 +1,6 @@
 import { getAllUsers } from "@/lib/api";
 import { UserListCard } from "@/components/user-list-card";
-import {
-  Pagination,
-  PaginationContent,
-  PaginationItem,
-  PaginationNext,
-  PaginationPrevious,
-} from "@/components/ui/pagination";
+import { PaginationNav } from "@/components/pagination-nav";
 
 export default async function AllUsersPage({
   searchParams,
@@ -29,8 +23,7 @@ export default async function AllUsersPage({
   }
 
   const { items, total, per_page } = usersData;
-  const perPage = per_page;
-  const totalPages = Math.ceil(total / perPage);
+  const totalPages = Math.ceil(total / per_page);
 
   return (
     <div className="container mx-auto max-w-2xl p-4 sm:p-6">
@@ -42,24 +35,11 @@ export default async function AllUsersPage({
       </header>
       <main>
         <UserListCard users={items} />
-        {totalPages > 1 && (
-          <Pagination className="mt-8">
-            <PaginationContent>
-              <PaginationItem>
-                <PaginationPrevious
-                  href={page > 1 ? `/users/all?page=${page - 1}` : "#"}
-                  aria-disabled={page <= 1}
-                />
-              </PaginationItem>
-              <PaginationItem>
-                <PaginationNext
-                  href={page < totalPages ? `/users/all?page=${page + 1}` : "#"}
-                  aria-disabled={page >= totalPages}
-                />
-              </PaginationItem>
-            </PaginationContent>
-          </Pagination>
-        )}
+        <PaginationNav
+          page={page}
+          totalPages={totalPages}
+          buildHref={(p) => `/users/all?page=${p}`}
+        />
       </main>
     </div>
   );

thoughts-frontend/components/pagination-nav.tsx

@@ -0,0 +1,76 @@
+import {
+  Pagination,
+  PaginationContent,
+  PaginationEllipsis,
+  PaginationItem,
+  PaginationLink,
+  PaginationNext,
+  PaginationPrevious,
+} from "@/components/ui/pagination";
+
+interface Props {
+  page: number;
+  totalPages: number;
+  buildHref: (page: number) => string;
+}
+
+function pageNumbers(
+  page: number,
+  totalPages: number
+): (number | "ellipsis")[] {
+  if (totalPages <= 7) {
+    return Array.from({ length: totalPages }, (_, i) => i + 1);
+  }
+
+  const pages: (number | "ellipsis")[] = [1];
+
+  if (page > 3) pages.push("ellipsis");
+
+  const start = Math.max(2, page - 1);
+  const end = Math.min(totalPages - 1, page + 1);
+  for (let i = start; i <= end; i++) pages.push(i);
+
+  if (page < totalPages - 2) pages.push("ellipsis");
+
+  pages.push(totalPages);
+
+  return pages;
+}
+
+export function PaginationNav({ page, totalPages, buildHref }: Props) {
+  if (totalPages <= 1) return null;
+
+  return (
+    <Pagination className="mt-8">
+      <PaginationContent>
+        <PaginationItem>
+          <PaginationPrevious
+            href={page > 1 ? buildHref(page - 1) : "#"}
+            aria-disabled={page <= 1}
+          />
+        </PaginationItem>
+
+        {pageNumbers(page, totalPages).map((p, i) =>
+          p === "ellipsis" ? (
+            <PaginationItem key={`ellipsis-${i}`}>
+              <PaginationEllipsis />
+            </PaginationItem>
+          ) : (
+            <PaginationItem key={p}>
+              <PaginationLink href={buildHref(p)} isActive={p === page}>
+                {p}
+              </PaginationLink>
+            </PaginationItem>
+          )
+        )}
+
+        <PaginationItem>
+          <PaginationNext
+            href={page < totalPages ? buildHref(page + 1) : "#"}
+            aria-disabled={page >= totalPages}
+          />
+        </PaginationItem>
+      </PaginationContent>
+    </Pagination>
+  );
+}