revite/src/components/common/messaging/attachments/TextFile.tsx
2021-06-22 16:29:47 +01:00

57 lines
1.9 KiB
TypeScript

import axios from 'axios';
import Preloader from '../../../ui/Preloader';
import styles from './Attachment.module.scss';
import { Attachment } from 'revolt.js/dist/api/objects';
import { useContext, useEffect, useState } from 'preact/hooks';
import RequiresOnline from '../../../../context/revoltjs/RequiresOnline';
import { AppContext, StatusContext } from '../../../../context/revoltjs/RevoltClient';
interface Props {
attachment: Attachment;
}
const fileCache: { [key: string]: string } = {};
export default function TextFile({ attachment }: Props) {
const [ content, setContent ] = useState<undefined | string>(undefined);
const [ loading, setLoading ] = useState(false);
const status = useContext(StatusContext);
const client = useContext(AppContext);
const url = client.generateFileURL(attachment)!;
useEffect(() => {
if (typeof content !== 'undefined') return;
if (loading) return;
setLoading(true);
let cached = fileCache[attachment._id];
if (cached) {
setContent(cached);
setLoading(false);
} else {
axios.get(url)
.then(res => {
setContent(res.data);
fileCache[attachment._id] = res.data;
setLoading(false);
})
.catch(() => {
console.error("Failed to load text file. [", attachment._id, "]");
setLoading(false)
})
}
}, [ content, loading, status ]);
return (
<div className={styles.textContent} data-loading={typeof content === 'undefined'}>
{
content ?
<pre><code>{ content }</code></pre>
: <RequiresOnline>
<Preloader type="ring" />
</RequiresOnline>
}
</div>
)
}