fezcode.github.io/src/pages/blog-views/OldBlogPostPage.jsx at main · fezcode/fezcode.github.io

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import React, { useState, useEffect, useRef } from 'react';

import { useParams, Link, useNavigate } from 'react-router-dom';

import ReactMarkdown from 'react-markdown';

import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';

import {

ArrowsOutSimpleIcon,

ClipboardIcon,

ArrowLeftIcon,

} from '@phosphor-icons/react';

import { customTheme } from '../../utils/customTheme';

import PostMetadata from '../../components/metadata-cards/PostMetadata';

import CodeModal from '../../components/CodeModal';

import { useToast } from '../../hooks/useToast';

import ImageModal from '../../components/ImageModal';

import Seo from '../../components/Seo';

import ShareButtons from '../../components/ShareButtons';

import remarkGfm from 'remark-gfm';

import remarkMath from 'remark-math';

import rehypeRaw from 'rehype-raw';

import rehypeKatex from 'rehype-katex';

import { calculateReadingTime } from '../../utils/readingTime';

import { useAchievements } from '../../context/AchievementContext';

import MarkdownLink from '../../components/MarkdownLink';

import MermaidDiagram from '../../components/MermaidDiagram';

const OldBlogPostPage = () => {

const { slug, seriesSlug, episodeSlug } = useParams();

const navigate = useNavigate();

const currentSlug = episodeSlug || slug;

const [post, setPost] = useState(null);

const [loading, setLoading] = useState(true);

const [readingProgress, setReadingProgress] = useState(0);

const [estimatedReadingTime, setEstimatedReadingTime] = useState(0);

const [isAtTop, setIsAtTop] = useState(true);

const contentRef = useRef(null);

// Modal State

const [isModalOpen, setIsModalOpen] = useState(false);

const [modalContent, setModalContent] = useState('');

const [modalLanguage, setModalLanguage] = useState('jsx');

const [modalImageSrc, setModalImageSrc] = useState(null);

const { trackReadingProgress } = useAchievements();

const [hasTrackedRead, setHasTrackedRead] = useState(false);

const { addToast } = useToast();

useEffect(() => {

setHasTrackedRead(false);

}, [currentSlug]);

useEffect(() => {

if (!hasTrackedRead && readingProgress > 90) {

trackReadingProgress(currentSlug);

setHasTrackedRead(true);

}

}, [readingProgress, hasTrackedRead, currentSlug, trackReadingProgress]);

useEffect(() => {

const fetchPost = async () => {

setLoading(true);

try {

const postsResponse = await fetch('/posts/posts.json');

if (!postsResponse.ok) throw new Error('Failed to fetch posts.json');

const allPostsData = await postsResponse.json();

let allPosts = [];

allPostsData.forEach((item) => {

if (item.series) {

item.series.posts.forEach((seriesPost) => {

allPosts.push({

...seriesPost,

filename: seriesPost.filename.startsWith('/')

? seriesPost.filename.substring(1)

: seriesPost.filename,

series: { slug: item.slug, title: item.title },

});

} else {

allPosts.push(item);

}

});

const postMetadata = allPosts.find((item) => item.slug === currentSlug);

if (!postMetadata) {

navigate('/404');

return;

}

if (!postMetadata.filename) {

navigate('/404');

return;

}

const contentPath = `posts/${postMetadata.filename}`;

const postContentResponse = await fetch(`/${contentPath}`);

if (!postContentResponse.ok) throw new Error('Failed to fetch content');

const postBody = await postContentResponse.text();

if (postBody.trim().startsWith('<!DOCTYPE html>')) {

navigate('/404');

return;

}

let seriesPosts = [];

let currentSeries = null;

if (postMetadata.series) {

currentSeries = postMetadata.series;

const originalSeries = allPostsData.find(

(item) => item.series && item.slug === currentSeries.slug,

);

if (originalSeries) {

seriesPosts = originalSeries.series.posts;

}

setPost({

attributes: postMetadata,

body: postBody,

seriesPosts,

currentSeries,

});

setEstimatedReadingTime(calculateReadingTime(postBody));

} catch (error) {

console.error('Error fetching post:', error);

setPost(null);

} finally {

setLoading(false);

}

};

fetchPost();

}, [currentSlug, navigate]);

useEffect(() => {

const handleScroll = () => {

if (contentRef.current) {

const { scrollTop, scrollHeight, clientHeight } =

document.documentElement;

const totalHeight = scrollHeight - clientHeight;

const currentProgress = (scrollTop / totalHeight) * 100;

setReadingProgress(currentProgress);

setIsAtTop(scrollTop === 0);

}

};

window.addEventListener('scroll', handleScroll);

return () => window.removeEventListener('scroll', handleScroll);

}, [post]);

// --- Handlers ---

const openModal = (content, language) => {

setModalContent(content);

setModalLanguage(language);

setIsModalOpen(true);

};

const closeModal = () => {

setIsModalOpen(false);

setModalContent('');

};

// --- Renderers (defined inside to access state/hooks) ---

const CodeBlock = ({ inline, className, children, ...props }) => {

const match = /language-(\w+)/.exec(className || '');

const handleCopy = () => {

const textToCopy = String(children);

navigator.clipboard.writeText(textToCopy).then(

() =>

addToast({

title: 'Success',

message: 'Copied to clipboard!',

duration: 3000,

type: 'techno',

}),

() =>

addToast({

title: 'Error',

message: 'Failed to copy!',

duration: 3000,

type: 'error',

}),

);

};

if (!inline && match) {

if (match[1] === 'mermaid') {

return <MermaidDiagram chart={String(children).replace(/\n$/, '')} />;

}

return (

<button

onClick={() =>

openModal(String(children).replace(/\n$/, ''), match[1])

}

className="text-cyan-300 bg-gray-800/90 border border-cyan-900/50 p-1.5 rounded hover:bg-gray-700 hover:text-cyan-200 transition-colors shadow-lg backdrop-blur-sm"

title="Expand Code"

</button>

<button

onClick={handleCopy}

className="text-cyan-300 bg-gray-800/90 border border-cyan-900/50 p-1.5 rounded hover:bg-gray-700 hover:text-cyan-200 transition-colors shadow-lg backdrop-blur-sm"

title="Copy Code"

</button>

</div>

<SyntaxHighlighter

style={customTheme}

language={match[1]}

PreTag="div"

CodeTag="code"

customStyle={{

margin: 0,

borderRadius: 0,

background: '#0f172a',

padding: '1.5rem',

fontSize: '1rem',

lineHeight: '1.6',

}}

{...props}

codeTagProps={{

style: { fontFamily: "'JetBrains Mono', monospace" },

}}

{String(children).replace(/\n$/, '')}

</SyntaxHighlighter>

</div>

);

}

return (

<code

className={`${className} font-mono text-cyan-300 bg-gray-800/50 px-1.5 py-0.5 rounded text-sm border border-gray-700/50`}

{...props}

{children}

</code>

);

};

const ImageRenderer = ({ src, alt }) => (

<img

src={src}

alt={alt}

className="cursor-pointer w-full h-auto transform transition-transform duration-500 group-hover:scale-[1.02] !border-0 !m-0 !max-w-full"

onClick={() => setModalImageSrc(src)}

</div>

);

// --- Main Render ---

if (loading) {

return (

DECRYPTING DATA STREAM...

</p>

</div>

);

}

if (!post) {

return (

Data not found in archives.

</div>

);

}

const currentPostIndex = post.seriesPosts

? post.seriesPosts.findIndex((item) => item.slug === currentSlug)

: -1;

const prevPost =

post.seriesPosts && currentPostIndex > 0

? post.seriesPosts[currentPostIndex - 1]

: null;

const nextPost =

currentPostIndex < post.seriesPosts.length - 1

? post.seriesPosts[currentPostIndex + 1]

: null;

const backLink = post.attributes.series

? `/blog/series/${post.attributes.series.slug}`

: '/blog';

const backLinkText = post.attributes.series

? `Back to ${post.attributes.series.title}`

: 'Back to Blog';

return (

<style>{`

body { background-color: black; }

`}</style>

</div>

</div>

<Link

to={backLink}

className="inline-flex items-center gap-2 text-cyan-400 hover:text-cyan-300 mb-8 font-mono text-sm tracking-widest uppercase hover:underline decoration-cyan-500/50 underline-offset-4 transition-all"

<ArrowLeftIcon size={16} /> {backLinkText}

</Link>

<Seo

title={`${post.attributes.title} | Fezcodex`}

description={post.attributes.description}

image={post.attributes.image}

keywords={post.attributes.tags}

{/* Reading Progress */}

<div

className="h-full bg-emerald-500 origin-left transition-all duration-150"

style={{ width: `${readingProgress}%` }}

</div>

{post.attributes.title}

</h1>

<ShareButtons

title={post.attributes.title}

url={window.location.href}

</div>

<div

ref={contentRef}

className="prose prose-invert prose-lg max-w-none mt-8

prose-headings:font-mono prose-headings:font-semibold

prose-h1:text-emerald-400 prose-h2:text-emerald-300 prose-h3:text-emerald-200 prose-h4:text-emerald-100

prose-p:text-gray-300 prose-p:leading-relaxed

prose-strong:text-emerald-200

prose-blockquote:border-l-emerald-500 prose-blockquote:bg-gray-900/50 prose-blockquote:py-1 prose-blockquote:px-4 prose-blockquote:rounded-r

prose-li:text-gray-300

prose-code:before:content-none prose-code:after:content-none prose-pre:text-base"

<ReactMarkdown

remarkPlugins={[remarkGfm, remarkMath]}

rehypePlugins={[rehypeRaw, rehypeKatex]}

components={{

a: (props) => (

<MarkdownLink

{...props}

className="text-cyan-400 hover:text-cyan-300 transition-colors inline-flex items-center gap-1 decoration-cyan-500/30 hover:decoration-cyan-400 underline underline-offset-4"

pre: ({ children }) => <>{children}</>,

code: CodeBlock,

img: ImageRenderer,

}}

{post.body}

</ReactMarkdown>

</div>

{(prevPost || nextPost) && (

{prevPost && (

<Link

to={

seriesSlug

? `/blog/series/${seriesSlug}/${prevPost.slug}`

: `/blog/${prevPost.slug}`

}

className="group flex flex-col items-start max-w-[45%]"

<ArrowLeftIcon size={14} className="inline mr-1" />{' '}

Previous Transmission

</span>

{prevPost.title}

</span>

</Link>

)}

{!prevPost && <div></div>}

{nextPost && (

<Link

to={

seriesSlug

? `/blog/series/${seriesSlug}/${nextPost.slug}`

: `/blog/${nextPost.slug}`

}

className="group flex flex-col items-end text-right max-w-[45%]"

Next Transmission{' '}

<ArrowLeftIcon

size={14}

className="inline ml-1 rotate-180"

</span>

{nextPost.title}

</span>

</Link>

)}

</div>

)}

</div>

<PostMetadata

metadata={post.attributes}

readingProgress={readingProgress}

isAtTop={isAtTop}

overrideDate={post.attributes.date}

updatedDate={post.attributes.updated}

seriesPosts={post.seriesPosts}

estimatedReadingTime={estimatedReadingTime}

</div>

<CodeModal

isOpen={isModalOpen}

onClose={closeModal}

language={modalLanguage}

{modalContent}

</CodeModal>

<ImageModal

src={modalImageSrc}

alt="Full size image"

onClose={() => setModalImageSrc(null)}

</div>

);

};

export default OldBlogPostPage;

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