104 lines
2.6 KiB
JavaScript
104 lines
2.6 KiB
JavaScript
import React, { useContext, useEffect, useState } from 'react'
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import { useQuery } from '@apollo/client'
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import { fixedDecimal } from '../lib/format'
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import { useMe } from './me'
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import { PRICE } from '../fragments/price'
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import { CURRENCY_SYMBOLS } from '../lib/currency'
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import { SSR } from '../lib/constants'
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import { useBlockHeight } from './block-height'
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export const PriceContext = React.createContext({
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price: null,
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fiatSymbol: null
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})
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export function usePrice () {
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return useContext(PriceContext)
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}
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export function PriceProvider ({ price, children }) {
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const me = useMe()
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const fiatCurrency = me?.fiatCurrency
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const { data } = useQuery(PRICE, {
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variables: { fiatCurrency },
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...(SSR
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? {}
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: {
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pollInterval: 30000,
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nextFetchPolicy: 'cache-and-network'
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})
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})
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const contextValue = {
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price: data?.price || price,
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fiatSymbol: CURRENCY_SYMBOLS[fiatCurrency] || '$'
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}
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return (
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<PriceContext.Provider value={contextValue}>
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{children}
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</PriceContext.Provider>
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)
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}
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export default function Price ({ className }) {
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const [asSats, setAsSats] = useState(undefined)
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useEffect(() => {
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setAsSats(window.localStorage.getItem('asSats'))
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}, [])
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const { price, fiatSymbol } = usePrice()
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const { height: blockHeight } = useBlockHeight()
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if (!price || price < 0 || blockHeight <= 0) return null
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// Options: yep, 1btc, blockHeight, undefined
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// yep -> 1btc -> blockHeight -> undefined -> yep
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const handleClick = () => {
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if (asSats === 'yep') {
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window.localStorage.setItem('asSats', '1btc')
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setAsSats('1btc')
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} else if (asSats === '1btc') {
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window.localStorage.setItem('asSats', 'blockHeight')
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setAsSats('blockHeight')
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} else if (asSats === 'blockHeight') {
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window.localStorage.removeItem('asSats')
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setAsSats(undefined)
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} else {
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window.localStorage.setItem('asSats', 'yep')
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setAsSats('yep')
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}
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}
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const compClassName = (className || '') + ' text-reset pointer'
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if (asSats === 'yep') {
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return (
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<div className={compClassName} onClick={handleClick} variant='link'>
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{fixedDecimal(100000000 / price, 0) + ` sats/${fiatSymbol}`}
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</div>
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)
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}
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if (asSats === '1btc') {
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return (
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<div className={compClassName} onClick={handleClick} variant='link'>
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1sat=1sat
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</div>
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)
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}
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if (asSats === 'blockHeight') {
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return (
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<div className={compClassName} onClick={handleClick} variant='link'>
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{blockHeight}
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</div>
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)
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}
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return (
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<div className={compClassName} onClick={handleClick} variant='link'>
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{fiatSymbol + fixedDecimal(price, 0)}
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</div>
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)
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}
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