degmods.com/src/components/Internal/Zap.tsx

import { NDKSubscriptionCacheUsage } from '@nostr-dev-kit/ndk'
import { Dots } from 'components/Spinner'
import { ZapSplit } from 'components/Zap'
import {
  useAppSelector,
  useBodyScrollDisable,
  useDidMount,
  useNDKContext
} from 'hooks'
import { useState } from 'react'
import { toast } from 'react-toastify'
import { Addressable } from 'types'
import { abbreviateNumber, log, LogType } from 'utils'

type ZapProps = {
  addressable: Addressable
}

export const Zap = ({ addressable }: ZapProps) => {
  const [isOpen, setIsOpen] = useState(false)
  const [isLoading, setIsLoading] = useState(true)
  const [isAvailable, setIsAvailable] = useState(false)
  const [totalZappedAmount, setTotalZappedAmount] = useState(0)
  const [hasZapped, setHasZapped] = useState(false)

  const userState = useAppSelector((state) => state.user)
  const { getTotalZapAmount, findMetadata } = useNDKContext()

  useBodyScrollDisable(isOpen)

  useDidMount(() => {
    findMetadata(addressable.author, {
      cacheUsage: NDKSubscriptionCacheUsage.ONLY_RELAY
    })
      .then((res) => {
        setIsAvailable(typeof res?.lud16 !== 'undefined' && res.lud16 !== '')
      })
      .catch((err) => {
        log(true, LogType.Error, err.message || err)
      })

    getTotalZapAmount(
      addressable.author,
      addressable.id,
      addressable.aTag,
      userState.user?.pubkey as string
    )
      .then((res) => {
        setTotalZappedAmount(res.accumulatedZapAmount)
        setHasZapped(res.hasZapped)
      })
      .catch((err) => {
        toast.error(err.message || err)
      })
      .finally(() => {
        setIsLoading(false)
      })
  })

  // Hide button if the author hasn't set lud16
  if (!isAvailable) return null

  return (
    <>
      <div
        id='reactBolt'
        className={`IBMSMSMBSS_Details_Card IBMSMSMBSS_D_CBolt ${
          hasZapped ? 'IBMSMSMBSS_D_CBActive' : ''
        }`}
        onClick={isLoading ? undefined : () => setIsOpen(true)}
      >
        <div className='IBMSMSMBSS_Details_CardVisual'>
          <svg
            xmlns='http://www.w3.org/2000/svg'
            viewBox='-64 0 512 512'
            width='1em'
            height='1em'
            fill='currentColor'
            className='IBMSMSMBSS_Details_CardVisualIcon'
          >
            <path d='M240.5 224H352C365.3 224 377.3 232.3 381.1 244.7C386.6 257.2 383.1 271.3 373.1 280.1L117.1 504.1C105.8 513.9 89.27 514.7 77.19 505.9C65.1 497.1 60.7 481.1 66.59 467.4L143.5 288H31.1C18.67 288 6.733 279.7 2.044 267.3C-2.645 254.8 .8944 240.7 10.93 231.9L266.9 7.918C278.2-1.92 294.7-2.669 306.8 6.114C318.9 14.9 323.3 30.87 317.4 44.61L240.5 224z'></path>
          </svg>
        </div>
        <p className='IBMSMSMBSS_Details_CardText'>
          {isLoading ? <Dots /> : abbreviateNumber(totalZappedAmount)}
        </p>
        <div className='IBMSMSMBSSCL_CAElementLoadWrapper'>
          <div className='IBMSMSMBSSCL_CAElementLoad'></div>
        </div>
      </div>
      {isOpen && (
        <ZapSplit
          pubkey={addressable.author}
          eventId={addressable.id}
          aTag={addressable.aTag}
          setTotalZapAmount={setTotalZappedAmount}
          setHasZapped={setHasZapped}
          handleClose={() => setIsOpen(false)}
        />
      )}
    </>
  )
}