updates

classes.py

@@ -1,12 +1,13 @@
 from datetime import datetime 
 import os
 import shutil
+from collections import defaultdict
 import markdown
 import frontmatter
 from pathlib import Path
 from logger import logger
 from config import Config
-from jinja_env import env, content_item_template, index_template
+from jinja_env import env, content_item_template, index_template, categories_index_template
 
 class ContentItem:
     def render_content(self):
@@ -83,6 +84,8 @@ class Site:
         self.css_dir = Path(f"{Config.STATIC_DIR}/css")
         self.js_dir = Path(f"{Config.STATIC_DIR}/js")
         self.output_dir = Path(Config.OUTPUT_DIR)
+        self.content_items = []
+        self.categories = defaultdict(list)
 
     def init_site(self):
 
@@ -99,6 +102,19 @@ class Site:
                 f.write(template_content)
         # Create static/about.md
 
+    def get_content_items(self):
+        logger.debug(f"Scanning {Path(Config.CONTENT_DIR)}")
+        for md_file in Path(Config.CONTENT_DIR).glob("*.md"):
+            logger.debug(f"Loading {md_file}")
+            content_item = ContentItem(md_file)
+            content_item.parse_content()
+            self.content_items.append(content_item)
+
+    def map_categories(self):
+        for content_item in self.content_items:
+            for category in content_item.data.get("categories"):
+                self.categories[category].append(content_item.slug)
+        print(self.categories)
 
     def build(self):
         # Recreate the output dir if needed
@@ -117,21 +133,27 @@ class Site:
             shutil.copytree(self.static_dir, self.output_dir / self.static_dir, dirs_exist_ok=True)
 
         # Parse the content files
-        content_items = []
-        for md_file in self.content_dir.glob("*.md"):
-            current_content_item = ContentItem(md_file)
-            current_content_item.parse_content()
-            current_content_item.render_content()
-            content_items.append(current_content_item)
+        logger.debug("Getting content items")
+        self.get_content_items()
+        logger.debug(f"Content items: {self.content_items}")
+        for content_item in self.content_items:
+            content_item.render_content()
+
+        # Build categories map
+        self.map_categories()
+
+        for category in self.categories:
+            with (self.output_dir / "categories.html").open(mode="w", encoding="utf-8") as f:
+                f.write(categories_index_template.render(page_title = Config.MAIN_PAGE_TITLE, categories_list = self.categories))
 
         # Render the index file
         with (self.output_dir / "index.html").open("w", encoding="utf-8") as f:
-            f.write(index_template.render(page_title = Config.MAIN_PAGE_TITLE, content_items=content_items))
+            f.write(index_template.render(page_title = Config.MAIN_PAGE_TITLE, content_items=self.content_items))
 
         # Render the about file
         about_content = ContentItem(Path('static/about.md'))
         about_content.parse_content()
         about_content.render_content()
 
-        logger.info(f"Created {len(content_items)} content items.")        
+        logger.info(f"Created {len(self.content_items)} content items.")        
     

jinja_env.py

@@ -6,3 +6,4 @@ env = Environment(loader=FileSystemLoader(Config.TEMPLATES_DIR))
 env.globals['header_image'] = Config.HEADER_IMAGE
 index_template = env.get_template("index.html")
 content_item_template = env.get_template("content_item.html")     
+categories_index_template = env.get_template("categories_index.html")    

templates/categories_index.html

@@ -0,0 +1,16 @@
+{% extends "default.html" %}
+
+{% block menu_links %}
+            <a href="index.html">Home</a>
+            <a href="static/about.html">About</a>
+{% endblock %}
+
+{% block content %}
+    <div class="container">
+        <div class="row"></div>
+        {% for category in categories_list %}
+            <a href="{{category}}.html">{{ category }}</a>
+    {% endfor %}
+        </div>
+    </div>
+{% endblock %}