import { readdirSync, readFileSync, writeFileSync, unlinkSync, existsSync } from 'fs';
import path from 'path';
import matter from 'gray-matter';
import { Config, Post, PostFrontmatter } from './types.js';
import { titleToSlug, buildFrontmatter } from './utils.js';
export class PostTools {
constructor(private config: Config) {}
listPosts(): Post[] {
const postsPath = path.join(this.config.portfolioPath, this.config.postsDir);
const files = readdirSync(postsPath).filter(f => f.endsWith('.mdx'));
return files.map(file => {
const slug = file.replace(/\.mdx$/, '');
return this.getPost(slug);
});
}
getPost(slug: string): Post {
const postsPath = path.join(this.config.portfolioPath, this.config.postsDir);
const filePath = path.join(postsPath, `${slug}.mdx`);
if (!existsSync(filePath)) {
throw new Error(`Post not found: ${slug}`);
}
const raw = readFileSync(filePath, 'utf-8');
const { data, content } = matter(raw);
return {
slug,
frontmatter: data as PostFrontmatter,
content: content.trim(),
};
}
createPost(frontmatter: Partial<PostFrontmatter>, content: string): Post {
// Validate required fields
if (!frontmatter.title) throw new Error('title is required');
if (!frontmatter.date) throw new Error('date is required');
if (!frontmatter.tags) throw new Error('tags is required');
if (frontmatter.draft === undefined) throw new Error('draft is required');
if (!frontmatter.summary) throw new Error('summary is required');
const slug = titleToSlug(frontmatter.title);
const postsPath = path.join(this.config.portfolioPath, this.config.postsDir);
const filePath = path.join(postsPath, `${slug}.mdx`);
if (existsSync(filePath)) {
throw new Error(`Post already exists: ${slug}`);
}
const fm = buildFrontmatter(frontmatter);
const fullContent = `${fm}\n\n${content}`;
writeFileSync(filePath, fullContent, 'utf-8');
return {
slug,
frontmatter: frontmatter as PostFrontmatter,
content: content.trim(),
};
}
updatePost(slug: string, updates: Partial<PostFrontmatter>, content?: string): Post {
const post = this.getPost(slug);
// Merge frontmatter
const newFrontmatter = { ...post.frontmatter, ...updates };
const newContent = content !== undefined ? content : post.content;
const postsPath = path.join(this.config.portfolioPath, this.config.postsDir);
const filePath = path.join(postsPath, `${slug}.mdx`);
const fm = buildFrontmatter(newFrontmatter);
const fullContent = `${fm}\n\n${newContent}`;
writeFileSync(filePath, fullContent, 'utf-8');
return {
slug,
frontmatter: newFrontmatter,
content: newContent.trim(),
};
}
deletePost(slug: string): void {
const postsPath = path.join(this.config.portfolioPath, this.config.postsDir);
const filePath = path.join(postsPath, `${slug}.mdx`);
if (!existsSync(filePath)) {
throw new Error(`Post not found: ${slug}`);
}
unlinkSync(filePath);
}
}
