From d04e10f9f7d9d4b65b23fae00a315a64ad86e5d2 Mon Sep 17 00:00:00 2001
From: alandefreitas <alandefreitas@gmail.com>
Date: Thu, 6 Jun 2024 13:27:59 -0300
Subject: [PATCH] docs: install page releases extension

---
 docs/antora-playbook.yml             |  1 +
 docs/extensions/mrdocs-releases.js   | 70 ++++++++++++++++++++++++++++
 docs/local-antora-playbook.yml       |  1 +
 docs/modules/ROOT/nav.adoc           |  6 +--
 docs/modules/ROOT/pages/install.adoc |  6 ++-
 5 files changed, 79 insertions(+), 5 deletions(-)
 create mode 100644 docs/extensions/mrdocs-releases.js

diff --git a/docs/antora-playbook.yml b/docs/antora-playbook.yml
index 83afbdd73..ededc9832 100644
--- a/docs/antora-playbook.yml
+++ b/docs/antora-playbook.yml
@@ -83,4 +83,5 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - ./extensions/mrdocs-demos.js
+    - ./extensions/mrdocs-releases.js
 
diff --git a/docs/extensions/mrdocs-releases.js b/docs/extensions/mrdocs-releases.js
new file mode 100644
index 000000000..aec964db4
--- /dev/null
+++ b/docs/extensions/mrdocs-releases.js
@@ -0,0 +1,70 @@
+/*
+    Copyright (c) 2024 Alan de Freitas (alandefreitas@gmail.com)
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+    Official repository: https://github.com/cppalliance/mrdocs
+*/
+
+const https = require('https');
+const request = require('sync-request');
+const fs = require("fs");
+
+function humanizeBytes(bytes) {
+    const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
+    if (bytes == 0) return '0 Byte';
+    const i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
+    return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
+}
+
+function humanizeDate(date) {
+    const options = { year: 'numeric', month: 'long', day: 'numeric' };
+    return new Date(date).toLocaleDateString('en-US', options);
+}
+
+module.exports = function (registry) {
+    registry.blockMacro('mrdocs-releases', function () {
+        const self = this
+        self.process(function (parent, target, attrs) {
+            // Collect all release URLs
+            let cacheFilenamePath = 'releasesResponse.json';
+            let cachePath = `${__dirname}/../build/requests/${cacheFilenamePath}`;
+            fs.mkdirSync(`${__dirname}/../build/requests/`, { recursive: true });
+            const readFromCacheFile = fs.existsSync(cachePath) && fs.statSync(cachePath).mtime > new Date(Date.now() - 1000 * 60 * 60 * 24);
+            const releasesResponse =
+                readFromCacheFile ?
+                fs.readFileSync(cachePath, 'utf-8') :
+                request('GET', 'https://api.github.com/repos/cppalliance/mrdocs/releases', {
+                    headers: {
+                        'User-Agent': 'request'
+                    }
+                }).getBody('utf-8')
+            if (!readFromCacheFile) {
+                fs.writeFileSync(cachePath, releasesResponse);
+            }
+            const releases = JSON.parse(releasesResponse)
+
+            // Create table
+            let text = '|===\n'
+            text += '|          3+| 🪟 Windows                2+| 🐧 Linux                 \n'
+            text += '| 📃 Release | 📦 7z   | 📦 msi  | 📦 zip  | 📦 tar.xz  | 📦 tar.gz  \n'
+            for (const release of releases) {
+                if (release.name === 'llvm-package') continue
+                text += `| ${release.html_url}[${release.name},window=_blank]\n\n${humanizeDate(release.published_at)} `
+                const assetSuffixes = ['win64.7z', 'win64.msi', 'win64.zip', 'Linux.tar.xz', 'Linux.tar.gz']
+                for (const suffix of assetSuffixes) {
+                    const asset = release.assets.find(asset => asset.name.endsWith(suffix))
+                    if (asset) {
+                        text += `| ${asset.browser_download_url}[🔗 ${asset.name}]\n\n(${humanizeBytes(asset.size)}) `
+                    } else {
+                        text += '| - '
+                    }
+                }
+                text += '\n'
+            }
+            text += '|===\n'
+            return self.parseContent(parent, text)
+        })
+    })
+}
diff --git a/docs/local-antora-playbook.yml b/docs/local-antora-playbook.yml
index 42d91385c..2fa45efcb 100644
--- a/docs/local-antora-playbook.yml
+++ b/docs/local-antora-playbook.yml
@@ -80,4 +80,5 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - ./extensions/mrdocs-demos.js
+    - ./extensions/mrdocs-releases.js
 
diff --git a/docs/modules/ROOT/nav.adoc b/docs/modules/ROOT/nav.adoc
index f7e64301a..dfe6f20d1 100644
--- a/docs/modules/ROOT/nav.adoc
+++ b/docs/modules/ROOT/nav.adoc
@@ -1,9 +1,9 @@
 * xref:index.adoc[]
 * xref:demos.adoc[]
-* xref:install.adoc[]
-* xref:usage.adoc[]
+* xref:install.adoc[Installation]
+* xref:usage.adoc[Getting Started]
+* xref:commands.adoc[Documenting the Code]
 * xref:config-file.adoc[]
-* xref:commands.adoc[]
 * xref:design-notes.adoc[]
 * xref:contribute.adoc[]
 * xref:license.adoc[]
diff --git a/docs/modules/ROOT/pages/install.adoc b/docs/modules/ROOT/pages/install.adoc
index 2c0825fb0..1a9e8703a 100644
--- a/docs/modules/ROOT/pages/install.adoc
+++ b/docs/modules/ROOT/pages/install.adoc
@@ -1,13 +1,15 @@
 = Install
 
 [#mrdocs-binaries]
-== Binaries
+== Binary Packages
 
 Binary packages are available from our https://github.com/cppalliance/mrdocs/releases[Release Page,window="_blank"].
 Most users should use these packages.
 
+mrdocs-releases::[]
+
 [#mrdocs-source]
-== Source
+== Install from Source
 
 The following instructions assume we are at a parent directory that's going to contain both the MrDocs and the third-party dependencies directories.