feat: add GraphQL server and resolvers

lib/graphql/server.js

@@ -0,0 +1,27 @@
+const logger = require('../logger')
+
+const https = require('https')
+const { ApolloServer } = require('apollo-server-express')
+
+const devMode = !!require('minimist')(process.argv.slice(2)).dev
+
+module.exports = new ApolloServer({
+  typeDefs: require('./types'),
+  resolvers: require('./resolvers'),
+  context: ({ req, res }) => ({
+    deviceId: req.deviceId, /* lib/middlewares/populateDeviceId.js */
+    deviceName: req.deviceName, /* lib/middlewares/authorize.js */
+    operatorId: res.locals.operatorId, /* lib/middlewares/operatorId.js */
+    pid: req.query.pid,
+    settings: req.settings, /* lib/middlewares/populateSettings.js */
+  }),
+  uploads: false,
+  playground: false,
+  introspection: false,
+  formatError: error => {
+    logger.error(error)
+    return error
+  },
+  debug: devMode,
+  logger
+})