added post-nav to posts

src/zona/builder.py

@@ -99,6 +99,13 @@ class ZonaBuilder:
             else date.min,
             reverse=True,
         )
+        posts = len(post_list)
+        for i, item in enumerate(post_list):
+            prev = post_list[i - 1] if i > 0 else None
+            next = post_list[i + 1] if i < posts - 2 else None
+            item.previous = prev
+            item.next = next
+
         templater = Templater(
             config=self.config,
             template_dir=self.layout.templates,

src/zona/data/content/static/style.css

@@ -31,6 +31,18 @@ header {
   text-transform: lowercase;
 }
 
+.post-nav {
+  font-family: monospace;
+}
+
+.post-nav .symbol {
+  color: var(--main-bullet-color);
+}
+
+.post-nav a {
+  margin: 0 2px;
+}
+
 .site-logo {
   color: inherit;
   font-weight: bold;

src/zona/data/templates/page.html

@@ -1,18 +1,12 @@
-{% extends "base.html" %} {% block content %}
-
-{% if metadata.show_title %}
-{% include "title.html" %}
-{% if metadata.date %}
+{% extends "base.html" %} {% block content %} {% if metadata.show_title %} {%
+include "title.html" %} {% if metadata.date %}
 <center>
   <time class="post-date" datetime="{{ metadata.date | safe }}"
   >{{ metadata.date | safe}}</time>
 </center>
-{% endif %}
+{% endif %} {% endif %} {% if is_post %} {% include "post_nav.html" %} {% endif
+%}
 <hr>
-{% endif %}
 
 <article>{{ content | safe }}</article>
 {% endblock %}
-
-
-

src/zona/data/templates/post_nav.html

@@ -0,0 +1,9 @@
+<div class="post-nav">
+  <center>
+    <span class="symbol">&lt;</span>{% if previous %}<a
+      href="{{ previous.url }}"
+    >prev</a>{% endif %}{% if previous and next %}<span class="symbol"
+    >|</span>{% endif %}{% if next %}<a href="{{ next.url }}">next</a>{% endif
+    %}<span class="symbol">&gt;</span>
+  </center>
+</div>

src/zona/metadata.py

@@ -18,6 +18,8 @@ class Metadata:
     date: date
     description: str | None
     show_title: bool = True
+    show_date: bool = True
+    show_nav: bool = True
     style: str | None = "/static/style.css"
     header: bool = True
     footer: bool = True

src/zona/models.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from dataclasses import dataclass
 from enum import Enum
 from pathlib import Path
@@ -21,6 +23,8 @@ class Item:
     type: ItemType | None = None
     copy: bool = True
     post: bool = False
+    next: Item | None = None
+    previous: Item | None = None
 
 
 # @dataclass

src/zona/server.py

@@ -237,9 +237,11 @@ def serve(
         observer.schedule(
             event_handler, path=str(root / "content"), recursive=True
         )
+        templates = root / "templates"
+        if templates.is_dir():
             observer.schedule(
                 event_handler,
-            path=str(root / "templates"),
+                path=str(templates),
                 recursive=True,
             )
         observer.start()

src/zona/templates.py

@@ -3,6 +3,7 @@ from typing import Literal
 
 from jinja2 import Environment, FileSystemLoader, select_autoescape
 
+from zona import util
 from zona.config import ZonaConfig
 from zona.markdown import md_to_html
 from zona.models import Item
@@ -76,5 +77,10 @@ class Templater:
             metadata=meta,
             header=header,
             footer=footer,
+            is_post=item.post,
+            next=util.normalize_url(item.next.url) if item.next else None,
+            previous=util.normalize_url(item.previous.url)
+            if item.previous
+            else None,
             post_list=self.post_list,
         )