Feat: adds async local storage to admin server

lib/new-admin/middlewares/cleanUserSessions.js

@@ -0,0 +1,23 @@
+const { asyncLocalStorage } = require('../../async-storage')
+const db = require('../../db')
+const { USER_SESSIONS_TABLE_NAME } = require('../../constants')
+
+const schemaCache = {}
+
+const cleanUserSessions = (cleanInterval) => (req, res, next) => {
+  const schema = asyncLocalStorage.getStore() ? asyncLocalStorage.getStore().get('schema') : null
+  const now = Date.now()
+
+  if (!schema) return next()
+  if (schema && schemaCache.schema + cleanInterval > now) return next()
+
+  console.log('Clearing old sessions for schema', schema)
+  return db.$none('DELETE FROM $1^ WHERE expire < to_timestamp($2)', [USER_SESSIONS_TABLE_NAME, now])
+    .then(() => {
+      schemaCache.schema = now
+      return next()
+    })
+    .catch(next)
+}
+
+module.exports = cleanUserSessions