From 9b6e0c8cfa89eb5073e19c9fdc7c912b82a5fcec Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Sat, 10 Oct 2020 22:42:44 -0300
Subject: Add basic categories page support

---
 ...5-cargo2nix-dramatically-simpler-rust-in-nix.md |  1 +
 ...ferences-between-backend-frontent-and-mobile.md |  1 +
 _includes/categories.html                          | 30 ++++++++++++++++++++++
 a-propos.md                                        |  2 ++
 about.md                                           |  2 ++
 categorias.md                                      |  8 ++++++
 categories.en.md                                   |  8 ++++++
 categories.fr.md                                   |  8 ++++++
 site.json                                          |  6 ++---
 sobre.md                                           |  2 ++
 10 files changed, 65 insertions(+), 3 deletions(-)
 create mode 100644 _includes/categories.html
 create mode 100644 categorias.md
 create mode 100644 categories.en.md
 create mode 100644 categories.fr.md

diff --git a/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.md b/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.md
index d4b5a41..c0ebb69 100644
--- a/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.md
+++ b/_articles/2020-10-05-cargo2nix-dramatically-simpler-rust-in-nix.md
@@ -4,6 +4,7 @@ date: 2020-10-05
 layout: post
 lang: en
 ref: cargo2nix-dramatically-simpler-rust-in-nix
+category: mediator
 ---
 
 In the same vein of my earlier post on
diff --git a/_articles/2020-10-10-feature-flags-differences-between-backend-frontent-and-mobile.md b/_articles/2020-10-10-feature-flags-differences-between-backend-frontent-and-mobile.md
index 0f92dc6..87de6a5 100644
--- a/_articles/2020-10-10-feature-flags-differences-between-backend-frontent-and-mobile.md
+++ b/_articles/2020-10-10-feature-flags-differences-between-backend-frontent-and-mobile.md
@@ -4,6 +4,7 @@ date: 2020-10-10
 layout: post
 lang: en
 ref: feature-flags-differences-between-backend-frontent-and-mobile
+category: presentation
 ---
 
 *This article is derived from a [presentation]({% link _slides/2020-10-10-rollout-feature-flag-experiment-operational-toggle.slides %}).*
diff --git a/_includes/categories.html b/_includes/categories.html
new file mode 100644
index 0000000..7c91a93
--- /dev/null
+++ b/_includes/categories.html
@@ -0,0 +1,30 @@
+{% assign articles_with_categories = "" | split:"" %}
+{% for article in site.articles %}
+  {% if article.lang == page.lang %}
+    {% if article.category %}
+      {% assign articles_with_categories = articles_with_categories | push:article %}
+    {% endif %}
+  {% endif %}
+{% endfor %}
+{% assign articles_with_categories = articles_with_categories | reverse %}
+
+{% assign categories = "" | split:"" %}
+{% for article in articles_with_categories %}
+  {% assign categories = categories | push:article.category %}
+{% endfor %}
+
+{% assign unique_categories = categories | sort | uniq %}
+{% for category in unique_categories %}
+  <h2 id="{{ category }}">
+    <a href="#{{ category }}">{{ category }}</a>:
+  </h2>
+  <ul>
+    {% for article in articles_with_categories %}
+      {% if category == article.category %}
+        <li>
+          <a href="{{ article.url | relative_url }}">{{ article.title | escape }}</a> - {% include i18n-date.html date=article.date %}
+        </li>
+      {% endif %}
+    {% endfor %}
+  </ul>
+{% endfor %}
diff --git a/a-propos.md b/a-propos.md
index c4855c2..661f25e 100644
--- a/a-propos.md
+++ b/a-propos.md
@@ -28,3 +28,5 @@ regrouper-les en utilisant LaTeX dans recueils de chansons.
 ## Autres
 
 [Liste de pastebins]({% link pastebins.fr.md %}).
+
+[Articles par catégory]({% link categories.fr.md %}).
diff --git a/about.md b/about.md
index dd5b4c3..0c07183 100644
--- a/about.md
+++ b/about.md
@@ -27,3 +27,5 @@ LaTeX sources into songbooks.
 ## Other things
 
 [Pastebins listing]({% link pastebins.en.md %}).
+
+[Articles by category]({% link categories.en.md %}).
diff --git a/categorias.md b/categorias.md
new file mode 100644
index 0000000..8622ecd
--- /dev/null
+++ b/categorias.md
@@ -0,0 +1,8 @@
+---
+title: Artigos por categoria
+layout: page
+lang: pt
+ref: categories
+---
+
+{% include categories.html %}
diff --git a/categories.en.md b/categories.en.md
new file mode 100644
index 0000000..711875d
--- /dev/null
+++ b/categories.en.md
@@ -0,0 +1,8 @@
+---
+title: Articles by category
+layout: page
+lang: en
+ref: categories
+---
+
+{% include categories.html %}
diff --git a/categories.fr.md b/categories.fr.md
new file mode 100644
index 0000000..9dabe31
--- /dev/null
+++ b/categories.fr.md
@@ -0,0 +1,8 @@
+---
+title: Articles par catégorie
+layout: page
+lang: fr
+ref: categories
+---
+
+{% include categories.html %}
diff --git a/site.json b/site.json
index 2a0300a..f4e38d9 100644
--- a/site.json
+++ b/site.json
@@ -4,9 +4,9 @@
   "pages": [
     {% assign filtered_pages = "" | split:"" %}
     {% for page in site.pages %}
-    {% unless page.plaintext %}
-    {% assign filtered_pages = filtered_pages | push:page %}
-    {% endunless %}
+      {% unless page.plaintext %}
+        {% assign filtered_pages = filtered_pages | push:page %}
+      {% endunless %}
     {% endfor %}
     {% for page in filtered_pages %}
     {
diff --git a/sobre.md b/sobre.md
index 5da4f5f..e1ba8ac 100644
--- a/sobre.md
+++ b/sobre.md
@@ -28,3 +28,5 @@ usando LaTeX em songbooks e hinários.
 ## Outros
 
 [Lista de pastebins]({% link pastebins.pt.md %}).
+
+[Artigos por categoria]({% link categorias.md %}).
-- 
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