From 9c0a5af67a1d9bdf4f7556b94899c113a0c2c9d4 Mon Sep 17 00:00:00 2001
From: Untone <anton.rewin@gmail.com>
Date: Thu, 21 Aug 2025 11:27:13 +0300
Subject: [PATCH] notifications-timestamp-fix

---
 resolvers/notifier.py | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/resolvers/notifier.py b/resolvers/notifier.py
index 2a61a40e..5d0ce244 100644
--- a/resolvers/notifier.py
+++ b/resolvers/notifier.py
@@ -1,4 +1,5 @@
 import time
+from datetime import datetime
 from typing import Any
 
 import orjson
@@ -32,16 +33,21 @@ def query_notifications(author_id: int, after: int = 0) -> tuple[int, int, list[
         ),
     )
     if after:
-        q = q.where(Notification.created_at > after)
+        # Convert Unix timestamp to datetime for PostgreSQL compatibility
+        after_datetime = datetime.fromtimestamp(after)
+        q = q.where(Notification.created_at > after_datetime)
     q = q.group_by(NotificationSeen.notification, Notification.created_at)
 
     with local_session() as session:
+        # Convert Unix timestamp to datetime for PostgreSQL compatibility
+        after_datetime = datetime.fromtimestamp(after) if after else None
+        
         total = (
             session.query(Notification)
             .where(
                 and_(
                     Notification.action == NotificationAction.CREATE.value,
-                    Notification.created_at > after,
+                    Notification.created_at > after_datetime,
                 )
             )
             .count()
@@ -52,7 +58,7 @@ def query_notifications(author_id: int, after: int = 0) -> tuple[int, int, list[
             .where(
                 and_(
                     Notification.action == NotificationAction.CREATE.value,
-                    Notification.created_at > after,
+                    Notification.created_at > after_datetime,
                     not_(Notification.seen),
                 )
             )
@@ -260,7 +266,9 @@ async def notifications_seen_after(_: None, info: GraphQLResolveInfo, after: int
         author_id = info.context.get("author", {}).get("id")
         if author_id:
             with local_session() as session:
-                nnn = session.query(Notification).where(and_(Notification.created_at > after)).all()
+                # Convert Unix timestamp to datetime for PostgreSQL compatibility
+                after_datetime = datetime.fromtimestamp(after) if after else None
+                nnn = session.query(Notification).where(and_(Notification.created_at > after_datetime)).all()
                 for notification in nnn:
                     ns = NotificationSeen(notification=notification.id, author=author_id)
                     session.add(ns)
@@ -279,13 +287,16 @@ async def notifications_seen_thread(_: None, info: GraphQLResolveInfo, thread: s
     if author_id:
         [shout_id, reply_to_id] = thread.split(":")
         with local_session() as session:
+            # Convert Unix timestamp to datetime for PostgreSQL compatibility
+            after_datetime = datetime.fromtimestamp(after) if after else None
+            
             # TODO: handle new follower and new shout notifications
             new_reaction_notifications = (
                 session.query(Notification)
                 .where(
                     Notification.action == "create",
                     Notification.entity == "reaction",
-                    Notification.created_at > after,
+                    Notification.created_at > after_datetime,
                 )
                 .all()
             )
@@ -294,7 +305,7 @@ async def notifications_seen_thread(_: None, info: GraphQLResolveInfo, thread: s
                 .where(
                     Notification.action == "delete",
                     Notification.entity == "reaction",
-                    Notification.created_at > after,
+                    Notification.created_at > after_datetime,
                 )
                 .all()
             )