Add all tags page rendering

omicron/ssg/site.py

@@ -29,6 +29,7 @@ class Site:
         self.by_tag: dict[str, list[Content]] = {}
         self.by_uri: dict[str, Content] = {}
         self.by_section: dict[str, list[Content]] = {}
+        self.tags_by_count: list[tuple[str, int]] = []
 
         config = self.read_config()
         self.name: str = config["name"]
@@ -96,6 +97,11 @@ class Site:
             )
         self.by_uri[content.uri] = content
 
+    def update_tags_by_count(self) -> None:
+        tags = [(tag, len(items)) for tag, items in self.by_tag.items()]
+        tags.sort(key=lambda x: x[1], reverse=True)
+        self.tags_by_count = tags
+
     def discover(self) -> None:
         log.info("Discovering content...")
         content_path = self.site_path / "content"
@@ -106,6 +112,7 @@ class Site:
                 self.add_by_section(content)
                 self.add_by_tag(content)
                 self.content.append(content)
+        self.update_tags_by_count()
         log.info("Discovered %d content items", len(self.content))
 
     def render_single_index_page(
@@ -151,6 +158,13 @@ class Site:
             index.unlink()
         index.symlink_to("page-1.html")
 
+    def render_tags_page(self) -> None:
+        template = self.jinja_env.get_template("tags.html")
+        html = template.render(site=self, tags=self.tags_by_count)
+        tags_dir = self.output_path / "tags"
+        tags_dir.mkdir(parents=True, exist_ok=True)
+        (tags_dir / "index.html").write_text(html, encoding="utf-8")
+
     def render_indices(self) -> None:
         sorted_all = sorted(self.content, key=lambda c: c.created, reverse=True)
         self.render_index_pages(sorted_all, self.output_path, None)
@@ -162,6 +176,7 @@ class Site:
             self.render_index_pages(
                 sorted_items, self.output_path / "tags" / tag, None, tag
             )
+        self.render_tags_page()
 
     def build(self) -> None:
         if not self.origin:

omicron/ssg/templates/plain/tags.html

@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+
+{% block title %}Tags — {{ site.name }}{% endblock %}
+
+{% block head %}
+<link rel="canonical" href="{{ site.origin }}{{ site.base_dir }}tags/">
+{% endblock %}
+
+{% block main %}
+<h1>Tags</h1>
+<ul>
+{% for tag, count in tags %}
+<li><a href="{{ site.base_dir }}tags/{{ tag }}/">{{ tag }}</a> ({{ count }})</li>
+{% endfor %}
+</ul>
+{% endblock %}