CoastalCommitsPastes/client/components/post-list/index.tsx
2022-03-24 15:35:59 -07:00

101 lines
3.5 KiB
TypeScript

import { Code, Dot, Input, Note, Text } from "@geist-ui/core"
import NextLink from "next/link"
import Link from '../Link'
import styles from './post-list.module.css'
import ListItemSkeleton from "./list-item-skeleton"
import ListItem from "./list-item"
import { Post } from "@lib/types"
import { ChangeEvent, useEffect, useMemo, useState } from "react"
import debounce from "lodash.debounce"
type Props = {
posts: Post[]
error: any
}
const PostList = ({ posts, error }: Props) => {
const [search, setSearchValue] = useState('')
// const [searching, setSearching] = useState(false)
const [searchResults, setSearchResults] = useState<Post[]>(posts)
// update posts on search
useEffect(() => {
if (search) {
// support filters like "title is:private has:content" in the text
// extract the filters
const filters = search.split(' ').filter(s => s.includes(':'))
const filtersMap = new Map<string, string>()
filters.forEach(f => {
const [key, value] = f.split(':')
filtersMap.set(key, value)
})
const results = posts.filter(post => {
if (filtersMap.has('is') && filtersMap.get('is') !== post.visibility) {
return false
}
for (const file of post.files) {
if (file.content.toLowerCase().includes(search.toLowerCase())) {
return true
}
}
return post.title.toLowerCase().includes(search.toLowerCase())
})
setSearchResults(results)
} else {
setSearchResults(posts)
}
}, [search, posts])
const handleSearchChange = (e: ChangeEvent<HTMLInputElement>) => {
setSearchValue(e.target.value)
}
const debouncedSearchHandler = useMemo(
() => debounce(handleSearchChange, 300)
, []);
useEffect(() => {
return () => {
debouncedSearchHandler.cancel();
}
}, [debouncedSearchHandler]);
return (
<div className={styles.container}>
<div className={styles.searchContainer}>
<Input scale={3 / 2}
clearable
placeholder="is:private"
onChange={debouncedSearchHandler} />
<Text type="secondary">Available filters: <Code>is:visibility</Code></Text>
</div>
{error && <Text type='error'>Failed to load.</Text>}
{
!posts && <ul>
<li>
<ListItemSkeleton />
</li>
<li>
<ListItemSkeleton />
</li>
</ul>
}
{posts.length === 0 && !error && <Text type='secondary'>No posts found.Create one <NextLink passHref={true} href="/new"><Link color>here</Link></NextLink>.</Text>}
{searchResults.length === 0 && <Text>No posts returned. Create one <NextLink passHref={true} href="/new"><Link color>here</Link></NextLink>.</Text>}
{
searchResults?.length > 0 && <div>
<ul>
{searchResults.map((post) => {
return <ListItem post={post} key={post.id} />
})}
</ul>
</div>
}
</div >
)
}
export default PostList