📈 Capture logout event + merge set and identify calls (#1211)

Signed-off-by: Luke Vella <me@lukevella.com>

apps/web/src/app/components/logout-button.tsx

@@ -1,14 +1,29 @@
+"use client";
 import { Button, ButtonProps } from "@rallly/ui/button";
+import { signOut } from "next-auth/react";
+
+import { usePostHog } from "@/utils/posthog";
 
 export function LogoutButton({
   children,
+  onClick,
   ...rest
 }: React.PropsWithChildren<ButtonProps>) {
+  const posthog = usePostHog();
   return (
-    <form action="/auth/logout" method="POST">
-      <Button {...rest} type="submit">
+    <Button
+      {...rest}
+      onClick={async (e) => {
+        onClick?.(e);
+        posthog?.capture("logout");
+        posthog?.reset();
+        signOut({
+          redirect: true,
+          callbackUrl: "/login",
+        });
+      }}
+    >
       {children}
     </Button>
-    </form>
   );
 }

apps/web/src/contexts/posthog.tsx

@@ -5,6 +5,7 @@ import { PostHogProvider as Provider, usePostHog } from "posthog-js/react";
 import React from "react";
 import { useMount } from "react-use";
 
+import { useTranslation } from "@/app/i18n/client";
 import { useUser } from "@/components/user-provider";
 import { env } from "@/env";
 
@@ -48,14 +49,18 @@ function usePostHogPageView() {
 
 export function PostHogProvider(props: PostHogProviderProps) {
   const { user } = useUser();
+  const { i18n } = useTranslation();
+
   usePostHogPageView();
 
   useMount(() => {
     if (user.email) {
-      posthog.identify(user.id);
-      posthog.people.set({
-        $email: user.email,
-        $name: user.name,
+      posthog.identify(user.id, {
+        email: user.email,
+        name: user.name,
+        tier: user.tier,
+        timeZone: user.timeZone,
+        locale: i18n.language,
       });
     }
   });

apps/web/src/utils/auth.ts

@@ -174,7 +174,6 @@ const getAuthOptions = (...args: GetServerSessionParams) =>
     providers: providers,
     pages: {
       signIn: "/login",
-      signOut: "/logout",
       error: "/auth/error",
     },
     events: {
@@ -193,12 +192,6 @@ const getAuthOptions = (...args: GetServerSessionParams) =>
           },
         });
       },
-      signOut({ session }) {
-        posthog?.capture({
-          distinctId: session.user.id,
-          event: "logout",
-        });
-      },
     },
     callbacks: {
       async signIn({ user, email, profile }) {