feat: jitsu tracker setup (#542)

* feat: jitsu tracker setup

also using it in create, update and delete project & workspace

* refactor: added some more check condition on track-event api

* fix: added env vars in turbo.json

* feat: added user onboard event, workspace invite and workspace invite accept events

* feat: add tracker for issues, state, modules and cycles

* fix: add @jitsu/nextjs in package.json

apps/app/pages/api/track-event.ts

@@ -0,0 +1,50 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+
+// jitsu
+import { createClient } from "@jitsu/nextjs";
+import { convertCookieStringToObject } from "lib/cookie";
+
+const jitsu = createClient({
+  key: process.env.JITSU_ACCESS_KEY || "",
+  tracking_host: "https://t.jitsu.com",
+});
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+  const { eventName, extra } = req.body;
+
+  if (!eventName) {
+    return res.status(400).json({ message: "Bad request" });
+  }
+
+  const cookie = convertCookieStringToObject(req.headers.cookie);
+  const accessToken = cookie?.accessToken;
+
+  if (!accessToken) return res.status(401).json({ message: "Unauthorized" });
+
+  const user = await fetch(`${process.env.NEXT_PUBLIC_API_BASE_URL}/api/users/me/`, {
+    method: "GET",
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${accessToken}`,
+    },
+  })
+    .then((res) => res.json())
+    .then((data) => data.user)
+    .catch(() => res.status(401).json({ message: "Unauthorized" }));
+
+  if (!user) return res.status(401).json({ message: "Unauthorized" });
+
+  // TODO: cache user info
+
+  jitsu
+    .id({
+      ...user,
+    })
+    .then(() => {
+      jitsu.track(eventName, {
+        ...extra,
+      });
+    });
+
+  res.status(200).json({ message: "success" });
+}