CoastalCommitsPastes/client/components/new-post/drag-and-drop/index.tsx
2022-03-28 12:04:29 -07:00

87 lines
No EOL
3.4 KiB
TypeScript

import { Text, useTheme, useToasts } from '@geist-ui/core'
import { memo } from 'react'
import { useDropzone } from 'react-dropzone'
import styles from './drag-and-drop.module.css'
import type { Document } from '@lib/types'
import generateUUID from '@lib/generate-uuid'
import { allowedFileTypes, allowedFileNames, allowedFileExtensions } from '@lib/constants'
function FileDropzone({ setDocs }: { setDocs: ((docs: Document[]) => void) }) {
const { palette } = useTheme()
const { setToast } = useToasts()
const onDrop = async (acceptedFiles: File[]) => {
const newDocs = await Promise.all(acceptedFiles.map((file) => {
return new Promise<Document>((resolve) => {
const reader = new FileReader()
reader.onabort = () => setToast({ text: 'File reading was aborted', type: 'error' })
reader.onerror = () => setToast({ text: 'File reading failed', type: 'error' })
reader.onload = () => {
const content = reader.result as string
resolve({
title: file.name,
content,
id: generateUUID()
})
}
reader.readAsText(file)
})
}))
setDocs(newDocs)
}
const validator = (file: File) => {
// TODO: make this configurable
const maxFileSize = 50000000;
if (file.size > maxFileSize) {
return {
code: 'file-too-big',
message: 'File is too big. Maximum file size is ' + (maxFileSize).toFixed(2) + ' MB.',
}
}
// We initially try to use the browser provided mime type, and then fall back to file names and finally extensions
if (allowedFileTypes.includes(file.type) || allowedFileNames.includes(file.name) || allowedFileExtensions.includes(file.name?.split('.').pop() || '')) {
return null
} else {
return {
code: "not-plain-text",
message: `Only plain text files are allowed.`
};
}
}
const { getRootProps, getInputProps, isDragActive, fileRejections } = useDropzone({ onDrop, validator })
const fileRejectionItems = fileRejections.map(({ file, errors }) => (
<li key={file.name}>
{file.name}:
<ul>
{errors.map(e => (
<li key={e.code}><Text>{e.message}</Text></li>
))}
</ul>
</li>
));
return (
<div className={styles.container}>
<div {...getRootProps()} className={styles.dropzone} style={{
borderColor: palette.accents_3,
}}>
<input {...getInputProps()} />
{!isDragActive && <Text p>Drag some files here, or click to select files</Text>}
{isDragActive && <Text p>Release to drop the files here</Text>}
</div>
{fileRejections.length > 0 && <ul className={styles.error}>
{/* <Button style={{ float: 'right' }} type="abort" onClick={() => fileRejections.splice(0, fileRejections.length)} auto iconRight={<XCircle />}></Button> */}
<Text h5>There was a problem with one or more of your files.</Text>
{fileRejectionItems}
</ul>}
</div>
)
}
export default memo(FileDropzone)