dify/web/app/components/apps/footer.tsx

import React, { useState } from 'react'
import Link from 'next/link'
import { RiCloseLine, RiDiscordFill, RiGithubFill } from '@remixicon/react'
import { useTranslation } from 'react-i18next'

type CustomLinkProps = {
  href: string
  children: React.ReactNode
}

const CustomLink = React.memo(({
  href,
  children,
}: CustomLinkProps) => {
  return (
    <Link
      className='flex h-8 w-8 cursor-pointer items-center justify-center transition-opacity duration-200 ease-in-out hover:opacity-80'
      target='_blank'
      rel='noopener noreferrer'
      href={href}
    >
      {children}
    </Link>
  )
})

const Footer = () => {
  const { t } = useTranslation()
  const [isVisible, setIsVisible] = useState(true)

  const handleClose = () => {
    setIsVisible(false)
  }

  if (!isVisible)
    return null

  return (
    <footer className='relative shrink-0 grow-0 px-12 py-2'>
      <button
        onClick={handleClose}
        className='absolute right-2 top-2 flex h-6 w-6 cursor-pointer items-center justify-center rounded-full transition-colors duration-200 ease-in-out hover:bg-components-main-nav-nav-button-bg-active'
        aria-label="Close footer"
      >
        <RiCloseLine className='h-4 w-4 text-text-tertiary hover:text-text-secondary' />
      </button>
      <h3 className='text-gradient text-xl font-semibold leading-tight'>{t('app.join')}</h3>
      <p className='system-sm-regular mt-1 text-text-tertiary'>{t('app.communityIntro')}</p>
      <div className='mt-3 flex items-center gap-2'>
        <CustomLink href='https://github.com/langgenius/dify'>
          <RiGithubFill className='h-5 w-5 text-text-tertiary' />
        </CustomLink>
        <CustomLink href='https://discord.gg/FngNHpbcY7'>
          <RiDiscordFill className='h-5 w-5 text-text-tertiary' />
        </CustomLink>
      </div>
    </footer>
  )
}

export default React.memo(Footer)