add versioning to markup languages and reparse old format version posts

app/__init__.py

@@ -1,6 +1,6 @@
 from flask import Flask, session
 from dotenv import load_dotenv
-from .models import Avatars, Users
+from .models import Avatars, Users, PostHistory, Posts
 from .auth import digest
 from .routes.users import is_logged_in, get_active_user
 from .routes.threads import get_post_url
@@ -9,7 +9,7 @@ from .constants import (
     InfoboxKind, InfoboxIcons, InfoboxHTMLClass,
     REACTION_EMOJI,
     )
-from .lib.babycode import babycode_to_html, EMOJI
+from .lib.babycode import babycode_to_html, EMOJI, BABYCODE_VERSION
 from datetime import datetime
 import os
 import time
@@ -48,6 +48,23 @@ def create_deleted_user():
             "permission": PermissionLevel.SYSTEM.value,
         })
 
+def reparse_posts():
+    from .db import db
+    post_histories = PostHistory.findall([
+        ('markup_language', '=', 'babycode'),
+        ('format_version', 'IS NOT', BABYCODE_VERSION)
+        ])
+    if len(post_histories) == 0:
+        return
+    print('Re-parsing babycode, this may take a while...')
+    with db.transaction():
+        for ph in post_histories:
+            ph.update({
+                'content': babycode_to_html(ph['original_markup']),
+                'format_version': BABYCODE_VERSION,
+                })
+    print('Re-parsing done.')
+
 def create_app():
     app = Flask(__name__)
     app.config.from_file('../config/pyrom_config.toml', load=tomllib.load, text=False)
@@ -76,6 +93,8 @@ def create_app():
         create_admin()
         create_deleted_user()
 
+        reparse_posts()
+
     from app.routes.app import bp as app_bp
     from app.routes.topics import bp as topics_bp
     from app.routes.threads import bp as threads_bp