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server.js
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server.js
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require('isomorphic-fetch');
const dotenv = require('dotenv');
const Koa = require('koa');
const next = require('next');
const {default: createShopifyAuth} = require('@shopify/koa-shopify-auth');
const {verifyRequest} = require('@shopify/koa-shopify-auth');
const {default: Shopify, ApiVersion} = require('@shopify/shopify-api');
const Router = require('koa-router');
const getSubscriptionUrl = require('./server/getSubscriptionUrl');
dotenv.config();
Shopify.Context.initialize({
API_KEY: process.env.SHOPIFY_API_KEY,
API_SECRET_KEY: process.env.SHOPIFY_API_SECRET,
SCOPES: process.env.SHOPIFY_API_SCOPES.split(","),
HOST_NAME: process.env.SHOPIFY_APP_URL.replace(/https:\/\//, ""),
API_VERSION: ApiVersion.October20,
IS_EMBEDDED_APP: true,
SESSION_STORAGE: new Shopify.Session.MemorySessionStorage(),
});
const port = parseInt(process.env.PORT, 10) || 3000;
const dev = process.env.NODE_ENV !== 'production';
const app = next({dev: dev});
const handle = app.getRequestHandler();
const ACTIVE_SHOPIFY_SHOPS = {};
app.prepare().then(() => {
const server = new Koa();
const router = new Router();
server.keys = [Shopify.Context.API_SECRET_KEY];
server.use(
createShopifyAuth({
async afterAuth(ctx) {
const {shop, scope, accessToken} = ctx.state.shopify;
ACTIVE_SHOPIFY_SHOPS[shop] = scope;
const returnUrl = `https://${Shopify.Context.HOST_NAME}/?shop=${shop}`;
const subscriptionUrl = await getSubscriptionUrl(accessToken, shop, returnUrl);
ctx.redirect(subscriptionUrl);
},
}),
);
router.post("/graphql", verifyRequest({returnHeader: true}), async (ctx, next) => {
await Shopify.Utils.graphqlProxy(ctx.req, ctx.res);
});
const handleRequest = async (ctx) => {
await handle(ctx.req, ctx.res);
ctx.respond = false;
ctx.res.statusCode = 200;
};
router.get("/", async (ctx) => {
const shop = ctx.query.shop;
if (ACTIVE_SHOPIFY_SHOPS[shop] === undefined) {
ctx.redirect(`/auth?shop=${shop}`);
} else {
await handleRequest(ctx);
}
});
router.get("(/_next/static/.*)", handleRequest);
router.get("/_next/webpack-hmr", handleRequest);
router.get("(.*)", verifyRequest(), handleRequest);
server.use(router.allowedMethods());
server.use(router.routes());
server.listen(port, () => {
console.log(`> Ready on http://localhost:${port}`);
});
});