62 lines
1.6 KiB
TypeScript
62 lines
1.6 KiB
TypeScript
import type { ListParams } from "@/types";
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export const PER_PAGE_OPTIONS = [10, 20, 50] as const;
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export const DEFAULT_PER_PAGE = 20;
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export function parseListParams(searchParams: URLSearchParams): ListParams {
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const search = searchParams.get("search") || "";
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const perPage = Math.min(
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Math.max(
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parseInt(searchParams.get("perPage") || String(DEFAULT_PER_PAGE), 10),
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1,
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),
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100,
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);
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const page = Math.max(parseInt(searchParams.get("page") || "1", 10), 1);
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const sort = searchParams.get("sort") || undefined;
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const order = (searchParams.get("order") === "asc" ? "asc" : "desc") as
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| "asc"
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| "desc";
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return { search, perPage, page, sort, order };
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}
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export function calcPagination(total: number, page: number, perPage: number) {
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const lastPage = Math.max(Math.ceil(total / perPage), 1);
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return {
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total,
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page: Math.min(page, lastPage),
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perPage,
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lastPage,
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offset: (Math.min(page, lastPage) - 1) * perPage,
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};
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}
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/** Generate CSV content from rows */
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export function generateCsv(
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rows: Record<string, unknown>[],
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columns: { key: string; label: string }[],
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): string {
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const BOM = "\uFEFF";
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const header = columns.map((c) => escapeCsv(c.label)).join(",");
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const body = rows
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.map((row) =>
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columns.map((c) => escapeCsv(String(row[c.key] ?? ""))).join(","),
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)
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.join("\n");
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return `${BOM + header}\n${body}`;
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}
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function escapeCsv(value: string): string {
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if (value.includes(",") || value.includes('"') || value.includes("\n")) {
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return `"${value.replace(/"/g, '""')}"`;
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}
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return value;
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}
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export function formatTimestamp(ts: number): string {
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if (!ts) return "N/A";
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return new Date(ts * 1000).toLocaleString();
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}
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