Add prettier date formatter

amanuensis/backend/user.py

@@ -114,6 +114,6 @@ def update_logged_in(db: DbContext, username: str) -> None:
     db(
         update(User)
         .where(User.username == username)
-        .values(last_login=datetime.datetime.utcnow())
+        .values(last_login=datetime.datetime.now(datetime.timezone.utc))
     )
     db.session.commit()

amanuensis/server/__init__.py

@@ -1,3 +1,4 @@
+from datetime import datetime, timezone
 import json
 import os
 
@@ -48,6 +49,15 @@ def get_app(
     # Configure jinja options
     app.jinja_options.update(trim_blocks=True, lstrip_blocks=True)
 
+    def date_format(dt: datetime, formatstr="%Y-%m-%d %H:%M:%S%z") -> str:
+        if dt is None:
+            return "never"
+        # Cast db time to UTC, then convert to local timezone
+        adjusted = dt.replace(tzinfo=timezone.utc).astimezone()
+        return adjusted.strftime(formatstr)
+
+    app.template_filter("date")(date_format)
+
     # Set up Flask-Login
     auth.get_login_manager().init_app(app)
 

amanuensis/server/helpers.py

@@ -21,13 +21,6 @@ def register_custom_filters(app):
 		val = getattr(user.cfg, attr)
 		return val
 
-	@app.template_filter("asdate")
-	def timestamp_to_readable(ts, formatstr="%Y-%m-%d %H:%M:%S"):
-		if ts is None:
-			return "null"
-		dt = datetime.fromtimestamp(ts)
-		return dt.strftime(formatstr)
-
 	@app.template_filter("articlelink")
 	def article_link(title):
 		return url_for(

amanuensis/server/macros.jinja

@@ -40,6 +40,6 @@
     <p>
         <b>{{ user.username }}</b> {% if user.username != user.display_name %} / {{ user.display_name }}{% endif %} (id #{{user.id}}){% if user.is_site_admin %} <b>[ADMIN]</b>{% endif %}
     </p>
-    <p>Last activity: {{ user.last_activity }} &mdash; Last login: {{ user.last_login }}</p>
+    <p>Last activity: {{ user.last_activity|date }} &mdash; Last login: {{ user.last_login|date }}</p>
 </div>
 {% endmacro %}