From b2d3e41df68cdd1ff866806189dc53d33a68b3a7 Mon Sep 17 00:00:00 2001
From: Mike Schmidt <schmidty@gmail.com>
Date: Fri, 25 Oct 2019 12:27:37 -0500
Subject: [PATCH] add links to translated newsletters if available

---
 _config.yml              |  3 +++
 _layouts/newsletter.html | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/_config.yml b/_config.yml
index 34877ffddc..b7e9fb60ea 100644
--- a/_config.yml
+++ b/_config.yml
@@ -58,3 +58,6 @@ defaults:
 collections:
   topics:
     output: true
+
+languages:
+  - ja
\ No newline at end of file
diff --git a/_layouts/newsletter.html b/_layouts/newsletter.html
index 7d1908658d..8ea14b58dc 100644
--- a/_layouts/newsletter.html
+++ b/_layouts/newsletter.html
@@ -2,8 +2,23 @@
 layout: default
 --- 
 <link rel="stylesheet" href="/assets/css/main.css">
+
+{% assign baseurl = page.permalink | remove_first: "/" | remove_first: page.lang %}
+
+{% for lang in site.languages %}
+  {% assign localization = "/" | append: lang | append:baseurl %}
+  {% assign locale = site.posts | where:"permalink", localization %}
+  {% assign localizations = localizations | concat: locale %}
+{% endfor %}
+
 <article class="newsletter">
   <header class="post-header">
+      {% if localizations.size > 0 %}
+        <a href="{{ '/en' | append:baseurl }}">en</a>
+        {% for locale in localizations %}
+          | <a href="{{ locale.url }}">{{locale.lang}}</a>
+        {% endfor %}
+      {% endif %}
     <h1 class="post-title">{{ page.title | escape }}</h1>
     <p class="post-meta">
       <time class="dt-published" datetime="{{ page.date | date_to_xmlschema }}">