fix: home page redirection logic (#752)

* fix: dashboard workspace activity mutation

* fix: home page redirection logic

* chore: add homePageRedirect function back

apps/app/pages/index.tsx

@@ -1,13 +1,67 @@
-// lib
-import { homePageRedirect } from "lib/auth";
+import { useEffect } from "react";
+
+import { useRouter } from "next/router";
+
+import useSWR from "swr";
+
+// services
+import workspaceService from "services/workspace.service";
+// hooks
+import useUser from "hooks/use-user";
+import useWorkspaces from "hooks/use-workspaces";
+// ui
+import { Spinner } from "components/ui";
 // types
-import type { NextPage, NextPageContext } from "next";
+import type { NextPage } from "next";
+// fetch-keys
+import { USER_WORKSPACE_INVITATIONS } from "constants/fetch-keys";
 
-const Home: NextPage = () => null;
+const Home: NextPage = () => {
+  const router = useRouter();
 
-export const getServerSideProps = (ctx: NextPageContext) => {
-  const cookies = ctx.req?.headers.cookie;
-  return homePageRedirect(cookies);
+  const { user } = useUser();
+  const { workspaces } = useWorkspaces();
+
+  const lastActiveWorkspace =
+    user && workspaces.find((workspace) => workspace.id === user.last_workspace_id);
+
+  const { data: invitations } = useSWR(USER_WORKSPACE_INVITATIONS, () =>
+    workspaceService.userWorkspaceInvitations()
+  );
+
+  useEffect(() => {
+    if (!user) {
+      router.push("/signin");
+      return;
+    }
+
+    if (!user.is_onboarded) {
+      router.push("/onboarding");
+      return;
+    }
+
+    if (lastActiveWorkspace) {
+      router.push(`/${lastActiveWorkspace.slug}`);
+      return;
+    } else if (workspaces.length > 0) {
+      router.push(`/${workspaces[0].slug}`);
+      return;
+    }
+
+    if (invitations && invitations.length > 0) {
+      router.push("/invitations");
+      return;
+    } else {
+      router.push("/create-workspace");
+      return;
+    }
+  }, [user, router, lastActiveWorkspace, workspaces, invitations]);
+
+  return (
+    <div className="h-screen grid place-items-center">
+      <Spinner />
+    </div>
+  );
 };
 
 export default Home;