From c36ce7dd2055e23781b3e5c830f80f87e7ad0552 Mon Sep 17 00:00:00 2001
From: veclav talica <veclavtalica@protonmal.com>
Date: Fri, 16 Feb 2024 18:29:50 +0500
Subject: [PATCH] tag listings

---
 compile.sh                     |  7 +++++
 tools/article_utils.py         |  2 +-
 tools/article_wrapper.py       |  8 +++--
 tools/page_shares.py           |  1 +
 tools/tag_listing_generator.py | 54 ++++++++++++++++++++++++++++++++++
 5 files changed, 68 insertions(+), 4 deletions(-)
 create mode 100755 tools/tag_listing_generator.py

diff --git a/compile.sh b/compile.sh
index 20fb9ed..25ebe00 100755
--- a/compile.sh
+++ b/compile.sh
@@ -28,4 +28,11 @@ for d in ./articles/*/; do
   fi
 done
 
+mkdir -p "./html/tags/"
+./tools/tag_listing_generator.py ./articles/ ./html/ | ./tools/mmd/build/multimarkdown > "./html/tags.html"
+
+for f in ./html/tags/*.html; do
+  echo $(cat "$f" | ./tools/mmd/build/multimarkdown) > "$f"
+done
+
 ./tools/feed_generator.py ./articles/ $URL > ./html/feed.xml
diff --git a/tools/article_utils.py b/tools/article_utils.py
index 86d4e41..f00b20a 100644
--- a/tools/article_utils.py
+++ b/tools/article_utils.py
@@ -18,7 +18,7 @@ def parse_metadata(filepath: str) -> {}:
         if key == "Date":
             result["Date"] = time.gmtime(int(val))
         elif key == "Tags":
-            result["Tags"] = val.split(",")
+            result["Tags"] = [v.strip() for v in val.split(",")]
         else:
             result[key] = val
         result["Last Edit"] = time.gmtime(int(subprocess.getoutput(r"stat -c %Y " + filepath)))
diff --git a/tools/article_wrapper.py b/tools/article_wrapper.py
index 758f0c8..093aef9 100755
--- a/tools/article_wrapper.py
+++ b/tools/article_wrapper.py
@@ -24,7 +24,7 @@ with open(argv[1], "r") as f:
 metadata = parse_metadata(argv[1])
 directory = path.split(path.dirname(path.abspath(argv[1])))[-1]
 
-title = metadata.get("Title", "Oopsie, somebody forgot to name the article!")
+title = metadata["Title"]
 article_head = "\n# " + title + "\n"
 
 brief = metadata.get("Brief")
@@ -41,10 +41,12 @@ if not last_edit is None:
         last_edit.tm_mday != date.tm_mday or last_edit.tm_year != date.tm_year:
             article_head += f"-- Edited: *{MONTHS[last_edit.tm_mon]} {last_edit.tm_mday}, {last_edit.tm_year} UTC*\n\n"
 
-# todo: Hyperlinks to appropriate tag pages.
 tags = metadata.get("Tags")
 if tags:
-    article_head += f"""-- Tags: *{",".join(tags)}*\n\n"""
+    tag_links = []
+    for tag in tags:
+        tag_links.append(f"[{tag}](/tags/{urllib.parse.quote(tag.lower())}.html)")
+    article_head += f"""-- Tags: *{", ".join(tag_links)}*\n\n"""
 
 article_head += "---\n\n"
 
diff --git a/tools/page_shares.py b/tools/page_shares.py
index d2e14a8..c651876 100644
--- a/tools/page_shares.py
+++ b/tools/page_shares.py
@@ -10,6 +10,7 @@ HEAD_EMBED = """
 <li><a href="/articles/mjestečko.html">about</a></li>
 <li><a href="https://modarchive.org/index.php?request=view_artist_modules&query=96070">tracks</a></li>
 <li><a rel="me" href="https://poto.cafe/@veclavtalica">mastodon</a></li>
+<li><a href="/tags.html">tags</a></li>
 </ul>
 </nav>
 
diff --git a/tools/tag_listing_generator.py b/tools/tag_listing_generator.py
new file mode 100755
index 0000000..82d1cbe
--- /dev/null
+++ b/tools/tag_listing_generator.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+
+# todo: Problems might arise with casing if there are overlaps such as 'Tag' and 'tag'.
+
+from sys import argv, exit
+import time, urllib.parse, re
+from os import walk
+import os.path as path
+
+from article_utils import the_line_after_metadata, parse_metadata
+from page_shares import wrap_page
+
+tag_listing_header = "CSS:    /style.css\n\n"
+main_listing_header = "CSS:    /style.css\n\n"
+
+if len(argv) <= 1:
+    print("No article directory was supplied")
+    exit(-1)
+
+if len(argv) <= 2:
+    print("No tag listing output directory was supplied")
+    exit(-1)
+
+tag_to_tag_page = {}
+tag_to_articles = {}
+tag_counts = {}
+article_to_title = {}
+
+for root, dirs, _ in walk(argv[1]):
+    for d in dirs:
+        metadata = parse_metadata(path.abspath(root + '/' + d + "/page.mmd"))
+        article = "/articles/" + urllib.parse.quote(d) + ".html"
+        for tag in metadata.get('Tags', []):
+            tag_to_articles[tag] = tag_to_articles.get(tag, []) + [article]
+            tag_counts[tag] = tag_counts.get(tag, 0) + 1
+            article_to_title[article] = metadata['Title']
+    break
+
+for tag in tag_to_articles:
+    tag_page = f"/tags/{urllib.parse.quote(tag.lower())}.html"
+    tag_to_tag_page[tag] = tag_page
+
+    with open(argv[2] + tag_page, 'w') as f:
+        tagged_article_listing = f"\n# Tagged {tag} #\n---\n" + \
+            '\n'.join(f"- [{article_to_title[article]}]({article})" \
+                for article in tag_to_articles[tag])
+        f.write(tag_listing_header + wrap_page(tagged_article_listing))
+
+main_listing = "\n# Tag Listing #\n---\n" + \
+    ', '.join(f"[{tag}]({tag_to_tag_page[tag]}) ({tag_counts[tag]})" \
+        for tag in sorted(tag_counts.keys(), key=lambda x: tag_counts[x], reverse=True)) + \
+    '\n\n'
+
+print(main_listing_header + wrap_page(main_listing))