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

81 lines
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TypeScript

import { useEffect, useState } from "react";
import { useNavigate, useParams } from "react-router-dom";
import { API_URL } from "./constants";
import type { Blog } from "./types";
import Markdown from "react-markdown";
import remarkGfm from "remark-gfm";
import remarkRehype from "remark-rehype";
import rehypeRaw from "rehype-raw";
import "../styles/markdown.css";
export function BlogViewer() {
const { slug } = useParams<{ slug: string }>();
const [blog, setBlog] = useState<Blog | null>(null);
const navigate = useNavigate();
const me = localStorage.getItem("user_id");
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))
.catch((err) => console.error(err));
}, [slug]);
if (!blog) return <p>Loading</p>;
const isAuthor = me === String(blog.author_id);
const handleDelete = async () => {
if (!window.confirm(`Are you sure you want to delete ${blog.title}`))
return;
try {
const res = await fetch(`${API_URL}/blogs/${slug}`, {
method: "DELETE",
headers: { Accept: "application/json" },
});
if (!res.ok) throw new Error(await res.text());
navigate("/");
} catch (err) {
console.error("Delete failed:", err);
alert("Could not delete post. See console for details.");
}
};
return (
<div className="max-w-2xl mx-auto py-10 space-y-6">
{isAuthor && (
<div className="flex space-x-4">
<button
onClick={() => navigate(`/blog/${slug}/edit`)}
className="px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700"
>
Edit
</button>
<button
onClick={handleDelete}
className="px-4 py-2 bg-red-600 text-white rounded hover:bg-red-700"
>
Delete
</button>
</div>
)}
<h1 className="text-3xl font-bold">{blog.title.toUpperCase()}</h1>
<p className="text-sm text-gray-500">By {blog.author_name}</p>
<div className="markdown-body mx-auto p-4">
<Markdown
remarkPlugins={[remarkGfm, remarkRehype]}
rehypePlugins={[rehypeRaw]}
children={blog.body}
></Markdown>
</div>
</div>
);
}