Trim some resources

[rbdr/blog] / lib / archivers / gemlog.js

diff --git a/lib/archivers/gemlog.js b/lib/archivers/gemlog.js
index d50d411bc8af23a4ff7777181cabc7c72cb3bcfd..3e08be4de7ad4de6bfcd5b08f5ac6c14466a75f4 100644 (file)
--- a/lib/archivers/gemlog.js
+++ b/lib/archivers/gemlog.js
@@ -1,20 +1,35 @@
-const { mkdir, readdir, rm, writeFile } = require('fs/promises');
-const { debuglog, promisify } = require('util');
-const { ncp } = require('ncp');
-const { join } = require('path');
+const { cp, mkdir, readdir, writeFile } = require('fs/promises');
+const { debuglog } = require('util');
+const { resolve, join } = require('path');
+const { rmIfExists } = require('../utils');
 
 const internals = {
-  kArchiveName: '.gemlog',
+  kArchiveName: resolve(join(__dirname, '../..', '.gemlog')),
   kIndexName: 'index.gmi',
   kGeminiRe: /\.gmi$/i,
 
-  ncp: promisify(ncp),
   debuglog: debuglog('blog'),
+
+  buildUrl(id, slug) {
+    return `./${id}/${slug}`;
+  },
+
+  buildTitle (id, slug) {
+    const date = new Date(Number(id));
+    const shortDate = date.toISOString().split('T')[0]
+    const title = slug.split('-').join(' ');
+    return `${shortDate} ${title}`
+  },
+
+  buildLink(id, slug) {
+    return `=> ${internals.buildUrl(id,slug)} ${internals.buildTitle(id,slug)}`;
+  }
 };
 
 module.exports = async function(archiveDirectory) {
   internals.debuglog(`Reading archive ${archiveDirectory}`);
-  const postIds = await readdir(archiveDirectory)
+  const postIds = (await readdir(archiveDirectory))
+    .sort((a, b) => Number(b) - Number(a));
   const posts = [];
   for (const id of postIds) {
     const postDirectory = join(archiveDirectory, id);
@@ -26,12 +41,18 @@ module.exports = async function(archiveDirectory) {
 
   internals.debuglog(`Read ${posts.length} posts`);
 
-  const index = ['# Unlimited Pizza Gemlog Archive', '',
-    ...posts.map((post) => `=> ./${post.id}/${post.slug}`)].join('\n');
+  const index = [
+    '# Unlimited Pizza Gemlog Archive', '',
+    '=> https://blog.unlimited.pizza/feed.xml 📰 RSS Feed',
+    '=> https://blog.unlimited.pizza/index.txt 📑 http text version (latest 3 posts)',
+    '',
+    ...posts.map((post) => internals.buildLink(post.id, post.slug)),
+    '', '=> ../ 🪴 Back to main page'
+  ].join('\n');
 
   try {
     internals.debuglog('Removing index');
-    await rm(internals.kArchiveName, { recursive: true });
+    await rmIfExists(internals.kArchiveName);
   }
   finally {
     internals.debuglog('Creating index');
@@ -40,6 +61,6 @@ module.exports = async function(archiveDirectory) {
     await writeFile(indexFile, index);
 
     internals.debuglog('Copying posts to archive');
-    await internals.ncp(archiveDirectory, internals.kArchiveName);
+    await cp(archiveDirectory, internals.kArchiveName, { recursive: true });
   }
 };