Refactored session and collect process.

lib/session.js

@@ -0,0 +1,49 @@
+import { getWebsite, getSession, createSession } from 'lib/db';
+import { getCountry, getDevice, getIpAddress, hash, isValidSession } from 'lib/utils';
+
+export default async function checkSession(req) {
+  const { payload } = req.body;
+  const { session } = payload;
+
+  if (isValidSession(session)) {
+    return session;
+  }
+
+  const ip = getIpAddress(req);
+  const { userAgent, browser, os } = getDevice(req);
+  const country = await getCountry(req, ip);
+  const { website: website_uuid, hostname, screen, language } = payload;
+
+  if (website_uuid) {
+    const website = await getWebsite(website_uuid);
+
+    if (website) {
+      const { website_id } = website;
+      const session_uuid = hash(`${website_id}${hostname}${ip}${userAgent}${os}`);
+
+      let session = await getSession(session_uuid);
+
+      if (!session) {
+        session = await createSession(website_id, {
+          session_uuid,
+          hostname,
+          browser,
+          os,
+          screen,
+          language,
+          country,
+        });
+      }
+
+      const { session_id } = session;
+
+      return [
+        website_id,
+        website_uuid,
+        session_id,
+        session_uuid,
+        hash(website_id, website_uuid, session_id, session_uuid),
+      ].join(':');
+    }
+  }
+}