v12.0.0 - initial commit

packages/server/lib/middlewares/populateMachineSettings.js

@@ -0,0 +1,25 @@
+const machineSettings = require('../machine-settings')
+
+const getMachineVersion = machineVersion => {
+  if (!machineVersion) return null
+  machineVersion = parseInt(machineVersion, 10)
+  return isNaN(machineVersion) ? null : machineVersion
+}
+
+const populateMachineSettings = (req, res, next) => {
+  const deviceId = req.deviceId
+  const machineVersion = getMachineVersion(req.headers['settings-version'])
+  machineSettings
+    .getOrUpdate(deviceId, machineVersion)
+    .then(settings => {
+      if (!settings)
+        return next(
+          new Error(`No cached settings found for machine ${deviceId}`),
+        )
+      req.machineSettings = settings
+      next()
+    })
+    .catch(err => next(err))
+}
+
+module.exports = populateMachineSettings