@unchainedshop/plugins/lib/warehousing/erc-metadata/api.js

Official plugin collection for the Unchained Engine with payment, delivery, and pricing adapters

import { createLogger } from '@unchainedshop/logger';
import { ProductContractStandard } from '@unchainedshop/core-products';
import { systemLocale } from '@unchainedshop/utils';
const logger = createLogger('unchained:erc-metadata');
export async function ercMetadataHandler(request, context) {
    try {
        const { ROOT_URL = 'http://localhost:4010' } = process.env;
        const { services, modules, locale, loaders, params } = context;
        const url = new URL(request.url, ROOT_URL);
        if (!url.pathname.toLowerCase().endsWith('.json')) {
            throw new Error('Invalid ERC Metadata URI');
        }
        const { productId, localeOrTokenFilename, tokenFileName } = params;
        const product = loaders
            ? await loaders.productLoader.load({ productId })
            : await modules.products.findProduct({ productId });
        const tokenSelector = {
            contractAddress: product?.tokenization?.contractAddress,
        };
        if (product?.tokenization?.contractStandard !== ProductContractStandard.ERC721) {
            tokenSelector.tokenSerialNumber = (tokenFileName || localeOrTokenFilename)
                .toLowerCase()
                .replace('.json', '');
        }
        const [token] = await modules.warehousing.findTokens(tokenSelector);
        const resolvedLocale = tokenFileName
            ? new Intl.Locale(localeOrTokenFilename)
            : locale || systemLocale;
        const ercMetadata = await services.warehousing.ercMetadata({
            product,
            token,
            locale: resolvedLocale,
        });
        if (!ercMetadata) {
            return new Response(null, { status: 404 });
        }
        return Response.json(ercMetadata, { status: 200 });
    }
    catch (e) {
        logger.error(e);
        return Response.json({ name: e.name, code: e.code, message: e.message }, { status: 503 });
    }
}