style: apply ruff formatting to source and test files

app/infrastructure/database/models.py

@@ -1,6 +1,6 @@
 """SQLAlchemy ORM models."""
 
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from uuid import uuid4
 
 from sqlalchemy import JSON, Boolean, DateTime, String, Text
@@ -14,27 +14,21 @@ class PostORM(Base):  # type: ignore[valid-type,misc]
 
     __tablename__ = "posts"
 
-    id: Mapped[str] = mapped_column(
-        String(36), primary_key=True, default=lambda: str(uuid4())
-    )
+    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
     title: Mapped[str] = mapped_column(String(200), nullable=False)
     content: Mapped[str] = mapped_column(Text, nullable=False)
-    slug: Mapped[str] = mapped_column(
-        String(200), nullable=False, unique=True, index=True
-    )
+    slug: Mapped[str] = mapped_column(String(200), nullable=False, unique=True, index=True)
     author_id: Mapped[str] = mapped_column(String(100), nullable=False, index=True)
-    published: Mapped[bool] = mapped_column(
-        Boolean, default=False, nullable=False, index=True
-    )
+    published: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False, index=True)
     tags: Mapped[list[str]] = mapped_column(JSON, default=list)
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True),
-        default=lambda: datetime.now(timezone.utc),
+        default=lambda: datetime.now(UTC),
         nullable=False,
     )
     updated_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True),
-        default=lambda: datetime.now(timezone.utc),
-        onupdate=lambda: datetime.now(timezone.utc),
+        default=lambda: datetime.now(UTC),
+        onupdate=lambda: datetime.now(UTC),
         nullable=False,
     )