update the datetime for udpated_at and deleted_at

Author: Mithun Thomas

src/app/models/post.py

@@ -1,3 +1,4 @@
+from typing import Optional
 import uuid as uuid_pkg
 from datetime import datetime, UTC
 
@@ -23,6 +24,6 @@ class Post(Base):
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), default_factory=lambda:  datetime.now(UTC)
     )
-    updated_at: Mapped[datetime | None] = mapped_column(default=None)
-    deleted_at: Mapped[datetime | None] = mapped_column(default=None)
+    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), default=None)
+    deleted_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), default=None)
     is_deleted: Mapped[bool] = mapped_column(default=False, index=True)

src/app/models/rate_limit.py

@@ -21,4 +21,4 @@ class RateLimit(Base):
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), default_factory=lambda:  datetime.now(UTC)
     )
-    updated_at: Mapped[Optional[datetime]] = mapped_column(default=None)
+    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), default=None)

src/app/models/tier.py

@@ -17,4 +17,4 @@ class Tier(Base):
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), default_factory=lambda:  datetime.now(UTC)
     )
-    updated_at: Mapped[Optional[datetime]] = mapped_column(default=None)
+    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), default=None)

src/app/models/user.py

@@ -26,8 +26,8 @@ class User(Base):
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), default_factory=lambda:  datetime.now(UTC)
     )
-    updated_at: Mapped[Optional[datetime]] = mapped_column(default=None)
-    deleted_at: Mapped[Optional[datetime]] = mapped_column(default=None)
+    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), default=None)
+    deleted_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), default=None)
     is_deleted: Mapped[bool] = mapped_column(default=False, index=True)
     is_superuser: Mapped[bool] = mapped_column(default=False)