stacker.news/components/item-act.js

279 lines
7.0 KiB
JavaScript

import Button from 'react-bootstrap/Button'
import InputGroup from 'react-bootstrap/InputGroup'
import React, { useState, useRef, useEffect, useCallback } from 'react'
import { Form, Input, SubmitButton } from './form'
import { useMe } from './me'
import UpBolt from '../svgs/bolt.svg'
import { amountSchema } from '../lib/validate'
import { gql, useMutation } from '@apollo/client'
import { payOrLoginError, useInvoiceModal } from './invoice'
import { useToast } from './toast'
import { useLightning } from './lightning'
const defaultTips = [100, 1000, 10000, 100000]
const Tips = ({ setOValue }) => {
const tips = [...getCustomTips(), ...defaultTips].sort((a, b) => a - b)
return tips.map(num =>
<Button
size='sm'
className={`${num > 1 ? 'ms-2' : ''} mb-2`}
key={num}
onClick={() => { setOValue(num) }}
>
<UpBolt
className='me-1'
width={14}
height={14}
/>{num}
</Button>)
}
const getCustomTips = () => JSON.parse(window.localStorage.getItem('custom-tips')) || []
const addCustomTip = (amount) => {
if (defaultTips.includes(amount)) return
let customTips = Array.from(new Set([amount, ...getCustomTips()]))
if (customTips.length > 3) {
customTips = customTips.slice(0, 3)
}
window.localStorage.setItem('custom-tips', JSON.stringify(customTips))
}
export default function ItemAct ({ onClose, itemId, down, children }) {
const inputRef = useRef(null)
const me = useMe()
const [oValue, setOValue] = useState()
const strike = useLightning()
useEffect(() => {
inputRef.current?.focus()
}, [onClose, itemId])
const [act] = useAct()
const onSubmit = useCallback(async ({ amount, hash, hmac }) => {
if (!me) {
const storageKey = `TIP-item:${itemId}`
const existingAmount = Number(window.localStorage.getItem(storageKey) || '0')
window.localStorage.setItem(storageKey, existingAmount + amount)
}
await act({
variables: {
id: itemId,
sats: Number(amount),
act: down ? 'DONT_LIKE_THIS' : 'TIP',
hash,
hmac
}
})
await strike()
addCustomTip(Number(amount))
onClose()
}, [act, down, itemId, strike])
return (
<Form
initial={{
amount: me?.privates?.tipDefault || defaultTips[0],
default: false
}}
schema={amountSchema}
invoiceable
onSubmit={onSubmit}
>
<Input
label='amount'
name='amount'
type='number'
innerRef={inputRef}
overrideValue={oValue}
required
autoFocus
append={<InputGroup.Text className='text-monospace'>sats</InputGroup.Text>}
/>
<div>
<Tips setOValue={setOValue} />
</div>
{children}
<div className='d-flex'>
<SubmitButton variant={down ? 'danger' : 'success'} className='ms-auto mt-1 px-4' value='TIP'>{down && 'down'}zap</SubmitButton>
</div>
</Form>
)
}
export function useAct ({ onUpdate } = {}) {
const me = useMe()
const update = useCallback((cache, args) => {
const { data: { act: { id, sats, path, act } } } = args
cache.modify({
id: `Item:${id}`,
fields: {
sats (existingSats = 0) {
if (act === 'TIP') {
return existingSats + sats
}
return existingSats
},
meSats: me
? (existingSats = 0) => {
if (act === 'TIP') {
return existingSats + sats
}
return existingSats
}
: undefined,
meDontLikeSats: me
? (existingSats = 0) => {
if (act === 'DONT_LIKE_THIS') {
return existingSats + sats
}
return existingSats
}
: undefined
}
})
if (act === 'TIP') {
// update all ancestors
path.split('.').forEach(aId => {
if (Number(aId) === Number(id)) return
cache.modify({
id: `Item:${aId}`,
fields: {
commentSats (existingCommentSats = 0) {
return existingCommentSats + sats
}
}
})
})
onUpdate && onUpdate(cache, args)
}
}, [!!me, onUpdate])
return useMutation(
gql`
mutation act($id: ID!, $sats: Int!, $act: String, $hash: String, $hmac: String) {
act(id: $id, sats: $sats, act: $act, hash: $hash, hmac: $hmac) {
id
sats
path
act
}
}`, { update }
)
}
export function useZap () {
const update = useCallback((cache, args) => {
const { data: { act: { id, sats, path } } } = args
// determine how much we increased existing sats by by checking the
// difference between result sats and meSats
// if it's negative, skip the cache as it's an out of order update
// if it's positive, add it to sats and commentSats
const item = cache.readFragment({
id: `Item:${id}`,
fragment: gql`
fragment ItemMeSats on Item {
meSats
}
`
})
const satsDelta = sats - item.meSats
if (satsDelta > 0) {
cache.modify({
id: `Item:${id}`,
fields: {
sats (existingSats = 0) {
return existingSats + satsDelta
},
meSats: () => {
return sats
}
}
})
// update all ancestors
path.split('.').forEach(aId => {
if (Number(aId) === Number(id)) return
cache.modify({
id: `Item:${aId}`,
fields: {
commentSats (existingCommentSats = 0) {
return existingCommentSats + satsDelta
}
}
})
})
}
}, [])
const [zap] = useMutation(
gql`
mutation idempotentAct($id: ID!, $sats: Int!) {
act(id: $id, sats: $sats, idempotent: true) {
id
sats
path
}
}`, { update }
)
const toaster = useToast()
const strike = useLightning()
const [act] = useAct()
const showInvoiceModal = useInvoiceModal(
async ({ hash, hmac }, { variables }) => {
await act({ variables: { ...variables, hash, hmac } })
strike()
}, [act, strike])
return useCallback(async ({ item, me }) => {
const meSats = (item?.meSats || 0)
// what should our next tip be?
let sats = me?.privates?.tipDefault || 1
if (me?.privates?.turboTipping) {
while (meSats >= sats) {
sats *= 10
}
} else {
sats = meSats + sats
}
const variables = { id: item.id, sats, act: 'TIP' }
try {
await zap({
variables,
optimisticResponse: {
act: {
path: item.path,
...variables
}
}
})
} catch (error) {
if (payOrLoginError(error)) {
// call non-idempotent version
const amount = sats - meSats
showInvoiceModal({ amount }, { variables: { ...variables, sats: amount } })
return
}
console.error(error)
toaster.danger(error?.message || error?.toString?.())
}
})
}