88 lines
2.1 KiB
TypeScript
88 lines
2.1 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { z } from "zod";
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import { getRatesWithCache } from "@/lib/server/rates-cache";
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import {
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getCryptoMarketWithCache,
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getLastCachedCryptoMarket,
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MARKET_CACHE_CONTROL_VALUE,
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} from "@/lib/server/market-cache";
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const querySchema = z.object({
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code: z.string().trim().toUpperCase().min(1),
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});
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export const revalidate = 60;
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export async function GET(request: NextRequest) {
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const searchParams = request.nextUrl.searchParams;
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const queryResult = querySchema.safeParse({
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code: searchParams.get("code") ?? "",
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});
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if (!queryResult.success) {
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return NextResponse.json(
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{
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message:
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queryResult.error.issues[0]?.message ?? "Invalid query parameters",
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},
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{
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status: 400,
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},
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);
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}
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const { code } = queryResult.data;
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try {
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const rates = await getRatesWithCache();
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const asset = rates.assets.find((item) => item.code === code);
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if (!asset) {
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return NextResponse.json(
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{ message: "Unsupported currency or asset code" },
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{ status: 404 },
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);
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}
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if (asset.type !== "crypto" || !asset.providerId) {
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return NextResponse.json(
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{ message: "Market data is available only for crypto assets" },
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{ status: 400 },
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);
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}
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const market = await getCryptoMarketWithCache({
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code: asset.code,
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name: asset.name,
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providerId: asset.providerId,
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});
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return NextResponse.json(market, {
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status: 200,
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headers: {
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"Cache-Control": MARKET_CACHE_CONTROL_VALUE,
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},
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});
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} catch (error) {
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const fallback = getLastCachedCryptoMarket(code);
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if (fallback) {
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return NextResponse.json(fallback, {
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status: 200,
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headers: {
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"Cache-Control": MARKET_CACHE_CONTROL_VALUE,
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"X-Cache-Fallback": "stale-on-error",
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},
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});
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}
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const message =
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error instanceof Error
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? error.message
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: "Unexpected error while loading market data";
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return NextResponse.json({ message }, { status: 500 });
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}
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}
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