Revert "Merge pull request 'Complete Housekeeping migration and /ase cutover' (#52) from codex/housekeeping-complete into main"

This reverts commit 488b6e57c4, reversing
changes made to b506b4499a.

src/lib/admin-list.ts

@@ -0,0 +1,73 @@
+import { redirect } from "next/navigation";
+import { calcPagination, parseListParams } from "./admin-helpers";
+import { canAccess, getAdminContext, type PermissionSet } from "./permissions";
+
+interface AdminListConfig<TRow> {
+	/** Permission slug required to view this page */
+	permission: string;
+	/** Default items per page. Default: 20 */
+	defaultPerPage?: number;
+	/**
+	 * Runs the actual data query (Drizzle). Receives parsed list params and
+	 * returns the rows + total count for the current page.
+	 */
+	fetch: (args: {
+		search: string;
+		page: number;
+		perPage: number;
+		rawParams: Record<string, string>;
+	}) => Promise<{ rows: TRow[]; total: number }>;
+}
+
+interface AdminListResult<TRow> {
+	rows: TRow[];
+	total: number;
+	page: number;
+	perPage: number;
+	lastPage: number;
+	locale: string;
+	permissions: PermissionSet;
+	rank: number;
+}
+
+/**
+ * Generic admin list data fetcher.
+ * Centralizes the common pattern: auth check, param parsing, pagination and
+ * row mapping. The caller supplies a Drizzle query via `config.fetch`.
+ */
+export async function fetchAdminList<TRow>(
+	config: AdminListConfig<TRow>,
+	paramsPromise: Promise<{ locale: string }>,
+	searchParamsPromise: Promise<Record<string, string>>,
+): Promise<AdminListResult<TRow>> {
+	const { locale } = await paramsPromise;
+	const { session, permissions } = await getAdminContext();
+
+	if (!canAccess(permissions, config.permission, session.user.rank)) {
+		redirect("/admin");
+	}
+
+	const rawParams = await searchParamsPromise;
+	const sp = new URLSearchParams(rawParams);
+	const parsed = parseListParams(sp);
+	const perPage = config.defaultPerPage
+		? Number(rawParams.perPage) || config.defaultPerPage
+		: parsed.perPage;
+
+	const { rows, total } = await config.fetch({
+		search: parsed.search,
+		page: parsed.page,
+		perPage,
+		rawParams,
+	});
+
+	const pagination = calcPagination(total, parsed.page, perPage);
+
+	return {
+		rows,
+		...pagination,
+		locale,
+		permissions,
+		rank: session.user.rank,
+	};
+}