stacker.news/components/notifications.js

109 lines
3.4 KiB
JavaScript

import { useApolloClient, useQuery } from '@apollo/client'
import Button from 'react-bootstrap/Button'
import { useState } from 'react'
import Comment, { CommentSkeleton } from './comment'
import Item from './item'
import { NOTIFICATIONS } from '../fragments/notifications'
import styles from './notifications.module.css'
import { useRouter } from 'next/router'
export default function Notifications ({ variables, ...props }) {
const router = useRouter()
const client = useApolloClient()
const { loading, error, data, fetchMore } = useQuery(NOTIFICATIONS, {
variables
})
if (error) return <div>Failed to load!</div>
if (loading) {
return <CommentsFlatSkeleton />
}
const { notifications: { notifications, cursor } } = data
return (
<>
{/* XXX we shouldn't use the index but we don't have a unique id in this union yet */}
{notifications.map((n, i) => (
<div
key={i}
className={styles.clickToContext}
onClick={() => {
if (n.__typename === 'Reply' || !n.item.title) {
// evict item from cache so that it has current state
// e.g. if they previously visited before a recent comment
client.cache.evict({ id: `Item:${n.item.parentId}` })
router.push({
pathname: '/items/[id]',
query: { id: n.item.parentId, commentId: n.item.id }
}, `/items/${n.item.parentId}`)
} else {
client.cache.evict({ id: `Item:${n.item.id}` })
router.push(`items/${n.item.id}`)
}
}}
>
{n.__typename === 'Votification' &&
<small className='font-weight-bold text-success ml-2'>your {n.item.title ? 'post' : 'reply'} stacked {n.earnedSats} sats</small>}
{n.__typename === 'Mention' &&
<small className='font-weight-bold text-info ml-2'>you were mentioned in</small>}
<div className={
n.__typename === 'Votification' || n.__typename === 'Mention'
? `ml-sm-4 ml-3 ${n.item.title ? 'pb-2' : ''}`
: ''
}
>
{n.item.title
? <Item item={n.item} />
: <Comment item={n.item} noReply includeParent rootText={n.__typename === 'Reply' ? 'replying to you on:' : undefined} clickToContext {...props} />}
</div>
</div>
))}
<MoreFooter cursor={cursor} fetchMore={fetchMore} />
</>
)
}
function CommentsFlatSkeleton () {
const comments = new Array(21).fill(null)
return (
<div>{comments.map((_, i) => (
<CommentSkeleton key={i} skeletonChildren={0} />
))}
</div>
)
}
function MoreFooter ({ cursor, fetchMore }) {
const [loading, setLoading] = useState(false)
if (loading) {
return <div><CommentsFlatSkeleton /></div>
}
let Footer
if (cursor) {
Footer = () => (
<Button
variant='primary'
size='md'
onClick={async () => {
setLoading(true)
await fetchMore({
variables: {
cursor
}
})
setLoading(false)
}}
>more
</Button>
)
} else {
Footer = () => (
<div className='text-muted' style={{ fontFamily: 'lightning', fontSize: '2rem', opacity: '0.6' }}>GENISIS</div>
)
}
return <div className='d-flex justify-content-center mt-4 mb-2'><Footer /></div>
}