B2B-88: add starter kit structure and elements

app/auth/callback/route.ts

@@ -1,24 +1,18 @@
-import { createClient } from "@/utils/supabase/server";
-import { NextResponse } from "next/server";
+import { redirect } from 'next/navigation';
+import type { NextRequest } from 'next/server';
 
-export async function GET(request: Request) {
-  // The `/auth/callback` route is required for the server-side auth flow implemented
-  // by the SSR package. It exchanges an auth code for the user's session.
-  // https://supabase.com/docs/guides/auth/server-side/nextjs
-  const requestUrl = new URL(request.url);
-  const code = requestUrl.searchParams.get("code");
-  const origin = requestUrl.origin;
-  const redirectTo = requestUrl.searchParams.get("redirect_to")?.toString();
+import { createAuthCallbackService } from '@kit/supabase/auth';
+import { getSupabaseServerClient } from '@kit/supabase/server-client';
 
-  if (code) {
-    const supabase = await createClient();
-    await supabase.auth.exchangeCodeForSession(code);
-  }
+import pathsConfig from '~/config/paths.config';
 
-  if (redirectTo) {
-    return NextResponse.redirect(`${origin}${redirectTo}`);
-  }
+export async function GET(request: NextRequest) {
+  const service = createAuthCallbackService(getSupabaseServerClient());
 
-  // URL to redirect to after sign up process completes
-  return NextResponse.redirect(`${origin}/protected`);
+  const { nextPath } = await service.exchangeCodeForSession(request, {
+    joinTeamPath: pathsConfig.app.joinTeam,
+    redirectPath: pathsConfig.app.home,
+  });
+
+  return redirect(nextPath);
 }