Files
talks-site/frontend/src/utils/EditBlog.tsx
T

112 lines
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TypeScript

import { useEffect, useState, type FormEvent } from "react";
import { useParams, useNavigate } from "react-router-dom";
import { API_URL } from "./constants";
import type { Blog } from "./types";
import { countWords } from "./countWords";
export function EditBlog() {
const { slug } = useParams<{ slug: string }>();
const [blog, setBlog] = useState<Blog | null>(null);
const [title, setTitle] = useState("");
const [description, setDescription] = useState("");
const [body, setBody] = useState("");
const [authorName, setAuthorName] = useState("");
const navigate = useNavigate();
useEffect(() => {
if (!slug) return;
fetch(`${API_URL}/blogs/${slug}`, {
method: "GET",
headers: {
"Content-Type": "application/json",
},
})
.then((res) => res.json())
.then((data: Blog) => {
setBlog(data);
setTitle(data.title);
setDescription(data.description);
setBody(data.body);
setAuthorName(data.author_name);
})
.catch(console.error);
}, [slug]);
if (!blog) return <p>Loading</p>;
async function handleSubmit(e: FormEvent) {
e.preventDefault();
const updatedBlog = {
title,
description,
body,
author_name: authorName, // from the form field
updated_at: new Date().toISOString(),
word_count: countWords(body),
version: blog ? blog.version + 1 : 1,
};
const res = await fetch(`${API_URL}/blogs/${slug}`, {
method: "PUT", // or "PATCH" if your API prefers
headers: { "Content-Type": "application/json" },
body: JSON.stringify(updatedBlog),
});
if (res.ok) {
navigate(`/blogs/${slug}`); // go back to the viewer
} else {
console.error("Update failed:", await res.text());
alert("Could not update the post. See console for details.");
}
}
return (
<div className="max-w-2xl mx-auto py-10">
<h2 className="text-2xl font-bold mb-4">Edit Blog Post</h2>
<form onSubmit={handleSubmit} className="space-y-4">
<div>
<label className="block font-medium">Title</label>
<input
value={title}
onChange={(e) => setTitle(e.target.value)}
className="w-full border px-2 py-1 rounded"
/>
</div>
<div>
<label className="block font-medium">Description</label>
<textarea
value={description}
onChange={(e) => setDescription(e.target.value)}
className="w-full border px-2 py-1 rounded"
/>
</div>
<div>
<label className="block font-medium">Author Name</label>
<input
type="text"
value={authorName}
onChange={(e) => setAuthorName(e.target.value)}
className="w-full border px-2 py-1 rounded"
required
/>
</div>
<div>
<label className="block font-medium">Body (Markdown)</label>
<textarea
value={body}
onChange={(e) => setBody(e.target.value)}
rows={10}
className="w-full border px-2 py-1 rounded font-mono"
/>
</div>
<button
type="submit"
className="px-4 py-2 bg-green-600 text-white rounded hover:bg-green-700"
>
Save Changes
</button>
</form>
</div>
);
}