INNER CODE UNIT · JavaScript

dataSources

apollographql/fullstack-tutorial · final/server/src/index.js:18

const dataSources = () => ({
  launchAPI: new LaunchAPI(),
  userAPI: new UserAPI({ store }),
});

// the function that sets up the global context for each resolver, using the req
const context = async ({ req }) => {
  // simple auth check on every request
  const auth = (req.headers && req.headers.authorization) || '';
  const email = Buffer.from(auth, 'base64').toString('ascii');

  // if the email isn't formatted validly, return null for user
  if (!isEmail.validate(email)) return { user: null };
  // find a user by their email
  const users = await store.users.findOrCreate({ where: { email } });
  const user = users && users[0] ? users[0] : null;

  return { user };

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