feat(blog): implement scheduled and draft posts filtering and preview UI

lib/blog.ts

@@ -2,6 +2,7 @@ import fs from 'fs';
 import path from 'path';
 import matter from 'gray-matter';
 import { mapSlugToFileSlug } from './slugs';
+import { config } from '@/lib/config';
 
 export interface PostFrontmatter {
   title: string;
@@ -10,6 +11,7 @@ export interface PostFrontmatter {
   featuredImage?: string | null;
   category?: string;
   locale: string;
+  public?: boolean;
 }
 
 export interface PostMdx {
@@ -18,6 +20,17 @@ export interface PostMdx {
   content: string;
 }
 
+export function isPostVisible(post: { frontmatter: { date: string; public?: boolean } }) {
+  // If explicitly marked as not public, hide in production
+  if (post.frontmatter.public === false && config.isProduction) {
+    return false;
+  }
+
+  const postDate = new Date(post.frontmatter.date);
+  const now = new Date();
+  return !(postDate > now && config.isProduction);
+}
+
 export async function getPostBySlug(slug: string, locale: string): Promise<PostMdx | null> {
   // Map translated slug to file slug
   const fileSlug = await mapSlugToFileSlug(slug, locale);
@@ -31,11 +44,17 @@ export async function getPostBySlug(slug: string, locale: string): Promise<PostM
   const fileContent = fs.readFileSync(filePath, 'utf8');
   const { data, content } = matter(fileContent);
 
-  return {
+  const postInfo = {
     slug: fileSlug,
     frontmatter: data as PostFrontmatter,
     content,
   };
+
+  if (!isPostVisible(postInfo)) {
+    return null;
+  }
+
+  return postInfo;
 }
 
 export async function getAllPosts(locale: string): Promise<PostMdx[]> {
@@ -55,6 +74,7 @@ export async function getAllPosts(locale: string): Promise<PostMdx[]> {
         content,
       };
     })
+    .filter(isPostVisible)
     .sort(
       (a, b) => new Date(b.frontmatter.date).getTime() - new Date(a.frontmatter.date).getTime(),
     );
@@ -78,6 +98,7 @@ export async function getAllPostsMetadata(locale: string): Promise<Partial<PostM
         frontmatter: data as PostFrontmatter,
       };
     })
+    .filter(isPostVisible)
     .sort(
       (a, b) =>
         new Date(b.frontmatter.date as string).getTime() -