From 169d6925b6a246db528b69b67ef9a49b0a1ed474 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Tue, 29 Nov 2022 12:18:06 +0100
Subject: list blog posts on koszko.html

---
 src/koszko_org_website/app.py                      | 51 ++++++++++++++++++++++
 .../templates/en/koszko.html.jinja                 |  6 +++
 src/koszko_org_website/templates/koszko.html.jinja | 11 +++++
 .../templates/pl/koszko.html.jinja                 |  6 +++
 4 files changed, 74 insertions(+)

diff --git a/src/koszko_org_website/app.py b/src/koszko_org_website/app.py
index e3e6339..84be22a 100644
--- a/src/koszko_org_website/app.py
+++ b/src/koszko_org_website/app.py
@@ -5,6 +5,7 @@
 # Copyright (C) 2021, 2022 Wojtek Kosior
 
 import gettext
+import re
 import dataclasses as dc
 import typing as t
 
@@ -38,6 +39,55 @@ def raise_exception(msg) -> t.NoReturn:
     raise Exception(msg)
 
 
+post_titles_pl = {
+    'gospel-despite-no-enthusiasm': 'Dobra Nowina pomimo zniechęcenia'
+}
+
+post_titles_en = {
+    'gospel-despite-no-enthusiasm': 'Gospel despite lack of enthusiasm'
+}
+
+post_titles = {'en': post_titles_en, 'pl': post_titles_pl}
+
+@dc.dataclass(frozen=True)
+class PostData:
+    date:      str
+    page_path: str
+    title:     str
+
+    def __lt__(self, other: 'PostData') -> bool:
+        return (other.date, self.page_path) < (self.date, other.page_path)
+
+post_filename_re = re.compile(
+    r'''
+    ^
+    (?P<date>20[0-9][0-9]-[0-1][0-9]-[0-3][0-9])
+    -
+    (?P<post_identifier>.*)
+    \.html\.jinja
+    $
+    ''',
+    re.VERBOSE
+)
+
+def get_posts(lang: str) -> t.Sequence[PostData]:
+    lang_dir = here / 'templates' / lang
+    posts_data = []
+
+    for template_path in (lang_dir / 'posts').glob('20*'):
+        filename_match = post_filename_re.match(template_path.name)
+        assert filename_match is not None
+
+        date = filename_match.group('date')
+        post_identifier = filename_match.group('post_identifier')
+        page_path = f'posts/{date}-{post_identifier}.html'
+        title = post_titles[lang][post_identifier]
+
+        posts_data.append(PostData(date=date, page_path=page_path, title=title))
+
+    return sorted(posts_data)
+
+
 @dc.dataclass(init=False)
 class Website(flask.Flask):
     def __init__(self) -> None:
@@ -56,6 +106,7 @@ class Website(flask.Flask):
         }
 
         self.jinja_env.globals['raise'] = raise_exception
+        self.jinja_env.globals['get_posts'] = get_posts
 
     def koszko_install_translations(self, locale: str) -> None:
         translations = gettext.translation(
diff --git a/src/koszko_org_website/templates/en/koszko.html.jinja b/src/koszko_org_website/templates/en/koszko.html.jinja
index ecf94dc..b6ce215 100644
--- a/src/koszko_org_website/templates/en/koszko.html.jinja
+++ b/src/koszko_org_website/templates/en/koszko.html.jinja
@@ -153,4 +153,10 @@ Copyright (C) 2021,2022 Wojtek Kosior <koszko@koszko.org>
 
     {{ request_table() }}
   {% endcall %}
+
+  {% call section('posts') %}
+    {{ header(2, 'Posts') }}
+
+    {{ posts() }}
+  {% endcall %}
 {% endblock %}
diff --git a/src/koszko_org_website/templates/koszko.html.jinja b/src/koszko_org_website/templates/koszko.html.jinja
index 4253329..14b5bd5 100644
--- a/src/koszko_org_website/templates/koszko.html.jinja
+++ b/src/koszko_org_website/templates/koszko.html.jinja
@@ -64,3 +64,14 @@ Copyright (C) 2021,2022 Wojtek Kosior <koszko@koszko.org>
     </tbody>
   </table>
 {% endmacro %}
+
+{% macro posts() %}
+  {% call unordered_list() %}
+    {% for post_data in get_posts(lang_short) %}
+      {% call list_entry() %}
+        {{ link(same_lang_url(post_data.page_path), post_data.title) }}
+        {{ italic('(' ~ post_data.date ~ ')') }}
+      {% endcall %}
+    {% endfor %}
+  {% endcall %}
+{% endmacro %}
diff --git a/src/koszko_org_website/templates/pl/koszko.html.jinja b/src/koszko_org_website/templates/pl/koszko.html.jinja
index 7828c4a..6dae783 100644
--- a/src/koszko_org_website/templates/pl/koszko.html.jinja
+++ b/src/koszko_org_website/templates/pl/koszko.html.jinja
@@ -159,4 +159,10 @@ Copyright (C) 2021,2022 Wojtek Kosior <koszko@koszko.org>
 
     {{ request_table() }}
   {% endcall %}
+
+  {% call section('posts') %}
+    {{ header(2, 'Posty') }}
+
+    {{ posts() }}
+  {% endcall %}
 {% endblock %}
-- 
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