dify/web/app/account/oauth/authorize/layout.tsx

'use client'
import Header from '@/app/signin/_header'

import { cn } from '@/utils/classnames'
import { useGlobalPublicStore } from '@/context/global-public-context'
import useDocumentTitle from '@/hooks/use-document-title'
import { AppContextProvider } from '@/context/app-context'
import { useIsLogin } from '@/service/use-common'
import Loading from '@/app/components/base/loading'

export default function SignInLayout({ children }: any) {
  const { systemFeatures } = useGlobalPublicStore()
  useDocumentTitle('')
  const { isLoading, data: loginData } = useIsLogin()
  const isLoggedIn = loginData?.logged_in

  if(isLoading) {
    return (
      <div className='flex min-h-screen w-full justify-center bg-background-default-burn'>
        <Loading />
      </div>
    )
  }
  return <>
    <div className={cn('flex min-h-screen w-full justify-center bg-background-default-burn p-6')}>
      <div className={cn('flex w-full shrink-0 flex-col items-center rounded-2xl border border-effects-highlight bg-background-default-subtle')}>
        <Header />
        <div className={cn('flex w-full grow flex-col items-center justify-center px-6 md:px-[108px]')}>
          <div className='flex flex-col md:w-[400px]'>
            {isLoggedIn ? <AppContextProvider>
              {children}
            </AppContextProvider>
              : children}
          </div>
        </div>
        {systemFeatures.branding.enabled === false && <div className='system-xs-regular px-8 py-6 text-text-tertiary'>
          © {new Date().getFullYear()} LangGenius, Inc. All rights reserved.
        </div>}
      </div>
    </div>
  </>
}