From bda028e1db07d786ec0cf48feeae199679f07d70 Mon Sep 17 00:00:00 2001
From: Johannes Löthberg <johannes@kyriasis.com>
Date: Tue, 15 Nov 2016 15:16:23 +0100
Subject: Add support for entry tags
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Johannes Löthberg <johannes@kyriasis.com>
---
 scripts/build.py      | 21 ++++++++++++++++++---
 templates/entry.html  | 10 ++++++++++
 templates/layout.html | 14 ++++++++++++++
 templates/tags.html   | 12 ++++++++++++
 4 files changed, 54 insertions(+), 3 deletions(-)
 create mode 100644 templates/tags.html

diff --git a/scripts/build.py b/scripts/build.py
index 4b3eddf..b6d4870 100755
--- a/scripts/build.py
+++ b/scripts/build.py
@@ -2,6 +2,7 @@
 
 import os.path
 import json
+from collections import OrderedDict
 
 from jinja2 import Environment, FileSystemLoader
 
@@ -35,6 +36,7 @@ def load_metadata(name):
 
     published = []
     unpublished = []
+    tags = {}
 
     for entry in entries:
         path = 'entries/{}.rst'.format(entry['file'])
@@ -48,7 +50,13 @@ def load_metadata(name):
         else:
             unpublished.append(entry)
 
-    return (published, unpublished)
+        for tag in entry.get('tags', []):
+            if not tag in tags:
+                tags[tag] = []
+
+            tags[tag].append(entry)
+
+    return (published, unpublished, tags)
 
 
 if __name__ == '__main__':
@@ -57,8 +65,9 @@ if __name__ == '__main__':
                        lstrip_blocks=True)
     entry_tmpl = jenv.get_template('entry.html')
     archive_tmpl = jenv.get_template('archive.html')
+    tags_tmpl = jenv.get_template('tags.html')
 
-    published, unpublished = load_metadata('metadata.json')
+    published, unpublished, tags = load_metadata('metadata.json')
 
     for entry in unpublished:
         build_entry(entry_tmpl, entry['file'], entry)
@@ -69,5 +78,11 @@ if __name__ == '__main__':
         build_entry(entry_tmpl, entry['file'], entry, older, newer)
 
     build_entry(entry_tmpl, 'index', published[-1], older=published[-2:-1])
-
     build_archive(archive_tmpl, 'archive', 'Archive', published)
+
+    tag_list = OrderedDict(sorted(map(lambda k: (k, 0), tags.keys())))
+    for tag in tags:
+        build_archive(archive_tmpl, 'tag-{}'.format(tag), tag, tags[tag])
+        tag_list[tag] = len(tags[tag])
+
+    build_archive(tags_tmpl, 'tags', 'Tags', tag_list)
diff --git a/templates/entry.html b/templates/entry.html
index f44567a..619c429 100644
--- a/templates/entry.html
+++ b/templates/entry.html
@@ -9,6 +9,16 @@
 	<div>
 	{{ content }}
 	</div>
+	<footer>
+		{% if 'tags' in entry %}
+		<div id="tags">
+		Tags:
+		{% for tag in entry['tags'] %}
+		<a href="tag-{{ tag }}.html">{{ tag }}</a>
+		{% endfor %}
+		</div>
+		{% endif %}
+	</footer>
 </article>
 <nav>
 <div id="post-nav">
diff --git a/templates/layout.html b/templates/layout.html
index 2d5c415..beb8c5d 100644
--- a/templates/layout.html
+++ b/templates/layout.html
@@ -35,6 +35,15 @@ header nav a:hover {
 article p {
 	white-space: pre-wrap;
 }
+#tags {
+	padding-bottom: 0.25em;
+}
+#tags, #tags a {
+	color: #444;
+}
+#tags a:hover {
+	color: #111;
+}
 #post-nav {
 	padding-bottom: 0.25em;
 }
@@ -42,6 +51,10 @@ ul#archive-list {
 	list-style-type: none;
 	padding-left: 0;
 }
+ul#tag-list {
+	list-style-type: circle;
+	padding-left: 2em;
+}
 footer p#copy {
 	margin: 0em;
 	padding-top: 0.25em;
@@ -67,6 +80,7 @@ footer ul#contact-info li {
 				<ul>
 					<li><a href="index.html">index</a></li>
 					<li><a href="archive.html">archive</a></li>
+					<li><a href="tags.html">tags</a></li>
 					<li><a href="about.html">about</a></li>
 				</ul>
 			</nav>
diff --git a/templates/tags.html b/templates/tags.html
new file mode 100644
index 0000000..b795e5e
--- /dev/null
+++ b/templates/tags.html
@@ -0,0 +1,12 @@
+{% extends 'layout.html' %}
+
+{% block content %}
+<section>
+	<h1>{{ title }}</h1>
+	<ul id="tag-list">
+	{% for tag in entries %}
+	<li><a href="tag-{{ tag }}.html">{{ tag }}</a> ({{ entries[tag] }})</li>
+	{% endfor %}
+	</ul>
+</section>
+{% endblock %}
-- 
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