From a246f40d5de04c1c7fcc7385d36bc593bcee6ce6 Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom@tomsmeding.com>
Date: Fri, 1 Mar 2024 22:16:54 +0100
Subject: blog: Add timestamp to posts

---
 modules/blog/template.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'modules/blog/template.js')

diff --git a/modules/blog/template.js b/modules/blog/template.js
index 32d7bb3..a1d4d3d 100644
--- a/modules/blog/template.js
+++ b/modules/blog/template.js
@@ -1,5 +1,7 @@
 const fs = require("fs").promises;
 
+const blogUtil = require("./util.js");
+
 const pathRoot = "blog";
 
 async function recursiveTree(dir) {
@@ -39,6 +41,21 @@ function generateTree(tree, path) {
 	return out;
 }
 
+// path: file path inside repo
+async function generateDatetime(repodir, path) {
+	if (path == "index.html") return "";
+
+	const stat = await fs.stat(repodir + "/" + path);
+	const gitout = await blogUtil.runCommandOutput("git", ["-C", repodir, "log", "--format=format:%as", "--", path]);
+	const lines = gitout.toString().trim().split("\n");
+	const last = lines[0];
+	const first = lines[lines.length - 1];
+	if (last == first)
+		return `Last updated: <time datetime="${last}">${last}</time>`;
+	else
+		return `Created: <time datetime="${first}">${first}</time>, last updated: <time datetime="${last}">${last}</time>`;
+}
+
 async function template(repodir, contentPath) {
 	const tree = await recursiveTree(repodir);
 	tree.delete("$template");
@@ -50,6 +67,7 @@ async function template(repodir, contentPath) {
 
 	html = html.replace("<!-- REPLACE TREE -->", generateTree(tree, pathRoot));
 	html = html.replace("<!-- REPLACE CONTENT -->", content);
+	html = html.replace("<!-- REPLACE DATETIME -->", await generateDatetime(repodir, contentPath))
 
 	return html;
 }
-- 
cgit v1.2.3-70-g09d2