injecting user on context graphql

graphql-with-user-context-jwt.js

'use strict';

const { graphqlHapi, graphiqlHapi } = require('apollo-server-hapi');
const jwt = require('jsonwebtoken');

const schema = require('./schema');
const db = require('./config/database');

const secretJWT = 'minhasecreetjwt';

exports.register = function (server, options, next) {
  let context = {
    secretJWT,
    user: null
  };

  server.ext('onRequest', async (request, reply) => { 

    if (request.headers.authorization) {
      const { data: { id } } = jwt.verify(request.headers.authorization, secretJWT); 

      const userDB = await db('users').where({ id }).first([
        'id', 'name'
      ]);

      context.user = userDB;
    }


    return reply.continue();                                                                           
  }); 
     
  server.register({
      register: graphqlHapi,
      options: {
        path: '/graphql',
        graphqlOptions: {
          schema,
          context
        },
        route: {
          cors: true
        }
      },
  });

  server.register({
      register: graphiqlHapi,
      options: {
        path: '/graphiql',
        graphiqlOptions: {
          endpointURL: '/graphql',
          schema,
        },
        route: {
          cors: true
        }
      },
  });
  
  next();
};

exports.register.attributes = {
    pkg: require('../package.json')
};