app/api/messages/route.ts

import { type NextRequest } from 'next/server'
import { NextResponse } from 'next/server'
import { getInfo, setSession, client } from '@/app/api/utils/common'

export async function GET(request: NextRequest) {
  const { sessionId, user } = getInfo(request);
  const { searchParams } = new URL(request.url);
  const conversationId = searchParams.get('conversation_id')
  const { data }: any = await client.getConversationMessages(user, conversationId as string);
  return NextResponse.json(data, {
    headers: setSession(sessionId)
  })
}