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