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const { cp, mkdir, readdir, writeFile } = require('fs/promises');
const { debuglog } = require('util');
const { resolve, join } = require('path');
const { rmIfExists } = require('../utils');
const internals = {
kArchiveName: resolve(join(__dirname, '../..', '.gemlog')),
kIndexName: 'index.gmi',
kGeminiRe: /\.gmi$/i,
debuglog: debuglog('blog'),
buildUrl(id, slug) {
return `./${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))
.sort((a, b) => Number(b) - Number(a));
const posts = [];
for (const id of postIds) {
const postDirectory = join(archiveDirectory, id);
const slug = (await readdir(postDirectory))
.filter((entry) => internals.kGeminiRe.test(entry))[0];
posts.push({ id, slug })
};
internals.debuglog(`Read ${posts.length} posts`);
const index = [
'# Ruben\'s Gemlog Archive', '',
'=> https://r.bdr.sh/gemlog/feed.xml 📰 RSS Feed',
'=> https://r.bdr.sh/gemlog/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 rmIfExists(internals.kArchiveName);
}
finally {
internals.debuglog('Creating index');
await mkdir(internals.kArchiveName);
const indexFile = join(internals.kArchiveName, internals.kIndexName);
await writeFile(indexFile, index);
internals.debuglog('Copying posts to archive');
await cp(archiveDirectory, internals.kArchiveName, { recursive: true });
}
};
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