42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
import { NextResponse } from "next/server";
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import { addToCart } from "@/lib/medusa";
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import { parseBody, isNonEmptyString, isPositiveInt, isValidMedusaId, badRequest, checkCsrf } from "@/lib/apiUtils";
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// POST /api/cart/[cartId]/items — add a line item
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export async function POST(
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request: Request,
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{ params }: { params: Promise<{ cartId: string }> },
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) {
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const csrfError = await checkCsrf();
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if (csrfError) return csrfError;
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const { cartId } = await params;
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if (!isValidMedusaId(cartId)) {
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return badRequest("Invalid cart ID format");
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}
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const body = await parseBody<{ variant_id?: unknown; quantity?: unknown }>(request);
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if (!body) return badRequest("Invalid request body");
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const { variant_id, quantity } = body;
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if (!isNonEmptyString(variant_id)) {
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return badRequest("Missing or invalid variant_id");
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}
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if (!isValidMedusaId(variant_id)) {
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return badRequest("Invalid variant ID format");
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}
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const qty = quantity ?? 1;
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if (!isPositiveInt(qty)) {
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return badRequest("Quantity must be a positive integer");
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}
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try {
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const cart = await addToCart(cartId, variant_id, qty);
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return NextResponse.json(cart);
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} catch (e) {
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console.error("[cart:add]", (e as Error).message);
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return NextResponse.json({ error: "Failed to add item to cart" }, { status: 500 });
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}
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}
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