From c6b3007995162b81bae3d83668ad2d8e9a8199df Mon Sep 17 00:00:00 2001
From: Lorenzo Iovino <thisloke@proton.me>
Date: Tue, 29 Sep 2026 00:17:42 +0200
Subject: [PATCH] feat: publish scheduled posts on their pubDate with a daily
 build

---
 .github/workflows/main.yml     |  4 ++++
 src/pages/blog.astro           |  3 ++-
 src/pages/blog/[slug].astro    |  3 ++-
 src/pages/blog/tag/[tag].astro |  3 ++-
 src/pages/rss.xml.ts           |  3 ++-
 src/utils/posts.ts             | 13 +++++++++++++
 6 files changed, 25 insertions(+), 4 deletions(-)
 create mode 100644 src/utils/posts.ts

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ecb5f61..e94eb6e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,6 +3,10 @@ name: Deploy to OVH VPS
 on:
   push:
     branches: [main]
+  # Daily rebuild at 07:00 Rome (summer time) publishes posts whose pubDate is today
+  schedule:
+    - cron: "0 5 * * *"
+  workflow_dispatch:
 
 jobs:
   deploy:
diff --git a/src/pages/blog.astro b/src/pages/blog.astro
index 49c0ba7..83ed80b 100644
--- a/src/pages/blog.astro
+++ b/src/pages/blog.astro
@@ -1,6 +1,7 @@
 ---
 import type { CollectionEntry } from "astro:content";
 import { getCollection } from "astro:content";
+import { isPublished } from "../utils/posts";
 import { Image } from "astro:assets";
 import Footer from "../components/Footer.astro";
 import Navbar from "../components/Navbar.astro";
@@ -11,7 +12,7 @@ type BlogPost = CollectionEntry<"blog">;
 
 const allPosts: BlogPost[] = await getCollection("blog");
 const sortedPosts: BlogPost[] = allPosts
-	.filter((post: BlogPost) => !post.data.draft)
+	.filter((post: BlogPost) => isPublished(post))
 	.sort((a: BlogPost, b: BlogPost) => b.data.pubDate.valueOf() - a.data.pubDate.valueOf());
 
 const allTags: Record<string, number> = sortedPosts.reduce(
diff --git a/src/pages/blog/[slug].astro b/src/pages/blog/[slug].astro
index 0efc822..bd1a09e 100644
--- a/src/pages/blog/[slug].astro
+++ b/src/pages/blog/[slug].astro
@@ -1,6 +1,7 @@
 ---
 import type { CollectionEntry } from "astro:content";
 import { getCollection } from "astro:content";
+import { isPublished } from "../../utils/posts";
 import { Image } from "astro:assets";
 import BaseLayout from "../../layouts/BaseLayout.astro";
 import Navbar from "../../components/Navbar.astro";
@@ -15,7 +16,7 @@ type BlogPost = CollectionEntry<"blog">;
 
 export async function getStaticPaths() {
 	const blogEntries: BlogPost[] = await getCollection("blog");
-	return blogEntries.map((entry: BlogPost) => ({
+	return blogEntries.filter((entry: BlogPost) => isPublished(entry)).map((entry: BlogPost) => ({
 		params: { slug: entry.slug },
 		props: { entry },
 	}));
diff --git a/src/pages/blog/tag/[tag].astro b/src/pages/blog/tag/[tag].astro
index 9c44873..6e45b62 100644
--- a/src/pages/blog/tag/[tag].astro
+++ b/src/pages/blog/tag/[tag].astro
@@ -1,6 +1,7 @@
 ---
 import type { CollectionEntry } from "astro:content";
 import { getCollection } from "astro:content";
+import { isPublished } from "../../../utils/posts";
 import { Image } from "astro:assets";
 import Footer from "../../../components/Footer.astro";
 import Navbar from "../../../components/Navbar.astro";
@@ -10,7 +11,7 @@ type BlogPost = CollectionEntry<"blog">;
 
 export async function getStaticPaths() {
 	const allPosts: BlogPost[] = await getCollection("blog");
-	const publishedPosts: BlogPost[] = allPosts.filter((post: BlogPost) => !post.data.draft);
+	const publishedPosts: BlogPost[] = allPosts.filter((post: BlogPost) => isPublished(post));
 
 	const allTags = new Set<string>();
 	publishedPosts.forEach((post: BlogPost) => {
diff --git a/src/pages/rss.xml.ts b/src/pages/rss.xml.ts
index aadd7cd..4de78bf 100644
--- a/src/pages/rss.xml.ts
+++ b/src/pages/rss.xml.ts
@@ -1,11 +1,12 @@
 import rss from "@astrojs/rss";
 import { getCollection } from "astro:content";
+import { isPublished } from "../utils/posts";
 import type { APIContext } from "astro";
 
 export async function GET(context: APIContext) {
 	const blog = await getCollection("blog");
 	const publishedPosts = blog
-		.filter((post) => !post.data.draft)
+		.filter((post) => isPublished(post))
 		.sort((a, b) => b.data.pubDate.valueOf() - a.data.pubDate.valueOf());
 
 	return rss({
diff --git a/src/utils/posts.ts b/src/utils/posts.ts
new file mode 100644
index 0000000..bf0623d
--- /dev/null
+++ b/src/utils/posts.ts
@@ -0,0 +1,13 @@
+import type { CollectionEntry } from "astro:content";
+
+type BlogPost = CollectionEntry<"blog">;
+
+// A post with a future pubDate stays in the repo but is left out of the build
+// until that day (Rome calendar day, not UTC): the scheduled CI build publishes
+// it. `astro dev` shows everything so scheduled posts can be previewed.
+export function isPublished(post: BlogPost, now: Date = new Date()): boolean {
+	if (post.data.draft) return false;
+	if (import.meta.env.DEV) return true;
+	const today = new Intl.DateTimeFormat("en-CA", { timeZone: "Europe/Rome" }).format(now);
+	return post.data.pubDate.toISOString().slice(0, 10) <= today;
+}