refactor: schema modularization

lib/new-admin/graphql/resolvers/machine.resolver.js

@@ -0,0 +1,25 @@
+const DataLoader = require('dataloader')
+
+const { machineAction } = require('../../modules/machines')
+
+const machineLoader = require('../../../machine-loader')
+const machineEventsByIdBatch = require('../../../postgresql_interface').machineEventsByIdBatch
+
+const machineEventsLoader = new DataLoader(ids => {
+  return machineEventsByIdBatch(ids)
+}, { cache: false })
+
+const resolvers = {
+  Machine: {
+    latestEvent: parent => machineEventsLoader.load(parent.deviceId)
+  },
+  Query: {
+    machines: () => machineLoader.getMachineNames(),
+    machine: (...[, { deviceId }]) => machineLoader.getMachine(deviceId)
+  },
+  Mutation: {
+    machineAction: (...[, { deviceId, action, cashbox, cassette1, cassette2, newName }]) => machineAction({ deviceId, action, cashbox, cassette1, cassette2, newName })
+  }
+}
+
+module.exports = resolvers