Files
MERN-template/client/components/panels/news-editor.jsx
T

128 lines
3.1 KiB
React

import React, { useState, useEffect, useContext, useRef } from 'react';
import Select from 'react-dropdown-select';
import { TokenContext } from '../utilities/token-provider';
const NewsEditor = props => {
//context
const authTokens = useContext(TokenContext);
//refs
const titleRef = useRef();
const authorRef = useRef();
const bodyRef = useRef();
//state
const [articles, setArticles] = useState([]);
const [index, setIndex] = useState(null);
//run once
useEffect(async () => {
const result = await fetch(`${process.env.NEWS_URI}/metadata?limit=999`, {
method: 'GET',
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
});
if (!result.ok) {
const err = `${result.status}: ${await result.text()}`;
console.log(err);
alert(err);
} else {
setArticles(await result.json());
}
}, []);
return (
<div>
<h2 className='centered'>News Editor</h2>
<div>
<label htmlFor='article'>Article: </label>
<Select
options={articles.map(article => { return { label: article.title, value: article.index }; })}
onChange={async values => {
//fetch this article
const index = values[0].value;
const result = await fetch(`${process.env.NEWS_URI}/archive/${index}`, {
headers: {
'Access-Control-Allow-Origin': '*'
}
});
if (!result.ok) {
const err = `${result.status}: ${await result.text()}`;
console.log(err);
alert(err);
} else {
const article = await result.json();
titleRef.current.value = article.title;
authorRef.current.value = article.author;
bodyRef.current.value = article.body;
setIndex(index);
}
}}
/>
</div>
<form onSubmit={async evt => {
//onSubmit
evt.preventDefault();
const [err] = await handleSubmit(titleRef.current.value, authorRef.current.value, bodyRef.current.value, index, authTokens.tokenFetch);
if (err) {
alert(err);
} else {
titleRef.current.value = authorRef.current.value = bodyRef.current.value = '';
alert(`Edited as article index ${index}`);
}
}}>
<div>
<label htmlFor='title'>Title: </label>
<input type='text' name='title' ref={titleRef} />
</div>
<div>
<label htmlFor='author'>Author: </label>
<input type='text' name='author' ref={authorRef} />
</div>
<div>
<label htmlFor='body'>Body: </label>
<textarea name='body' rows='10' cols='150' ref={bodyRef} />
</div>
<button type='submit'>Update</button>
</form>
</div>
);
};
const handleSubmit = async (title, author, body, index, tokenFetch) => {
title = title.trim();
author = author.trim();
body = body.trim();
//fetch POST json data
const result = await tokenFetch(`${process.env.NEWS_URI}/${index}`, {
method: 'PATCH',
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({
title,
author,
body
})
});
if (!result.ok) {
return [`${result.status}: ${await result.text()}`];
}
return [null];
};
export default NewsEditor;