Add logic skeleton for rust version

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

diff --git a/lib/archivers/gemlog.js b/lib/archivers/gemlog.js
index d50d411bc8af23a4ff7777181cabc7c72cb3bcfd..1bb0c10d6d31740c930c09e29436018c0abc142a 100644 (file)
--- a/lib/archivers/gemlog.js
+++ b/lib/archivers/gemlog.js
@@ -1,45 +1,75 @@
-const { mkdir, readdir, rm, writeFile } = require('fs/promises');
-const { debuglog, promisify } = require('util');
-const { ncp } = require('ncp');
-const { join } = require('path');
+import Dot from 'dot';
+import { cp, mkdir, readdir, readFile, writeFile } from 'fs/promises';
+import { debuglog } from 'util';
+import { join } from 'path';
+import { rmIfExists } from '../utils.js';
 
 const internals = {
-  kArchiveName: '.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)
+export default async function (templateDirectory, source, target) {
+
+  internals.debuglog(`Reading archive ${source}`);
+  const postIds = (await readdir(source))
+    .sort((a, b) => Number(b) - Number(a));
   const posts = [];
   for (const id of postIds) {
-    const postDirectory = join(archiveDirectory, id);
+    const postDirectory = join(source, id);
     const slug = (await readdir(postDirectory))
-        .filter((entry) => internals.kGeminiRe.test(entry))[0];
+      .filter((entry) => internals.kGeminiRe.test(entry))[0];
 
-      posts.push({ id, slug })
-  };
+    posts.push({ id, slug });
+  }
 
   internals.debuglog(`Read ${posts.length} posts`);
 
-  const index = ['# Unlimited Pizza Gemlog Archive', '',
-    ...posts.map((post) => `=> ./${post.id}/${post.slug}`)].join('\n');
+  internals.debuglog('Generating Archive Index');
+  const indexLocation = join(templateDirectory, internals.kIndexName);
+
+  internals.debuglog(`Reading ${indexLocation}`);
+  const indexTemplate = await readFile(indexLocation, { encoding: 'utf8' });
+
+  internals.debuglog('Writing Archive Index');
+  const index = Dot.template(indexTemplate, {
+    ...Dot.templateSettings,
+    strip: false
+  })({
+    posts: posts.map((post) => internals.buildLink(post.id, post.slug)).join('\n')
+  });
 
   try {
     internals.debuglog('Removing index');
-    await rm(internals.kArchiveName, { recursive: true });
+    await rmIfExists(target);
   }
   finally {
     internals.debuglog('Creating index');
-    await mkdir(internals.kArchiveName);
-    const indexFile = join(internals.kArchiveName, internals.kIndexName);
+    await mkdir(target);
+    const indexFile = join(target, internals.kIndexName);
     await writeFile(indexFile, index);
 
     internals.debuglog('Copying posts to archive');
-    await internals.ncp(archiveDirectory, internals.kArchiveName);
+    await cp(source, target, { recursive: true });
   }
-};
+}