feat: db model mixins

src/models.py

@@ -5,8 +5,8 @@ Global database models
 from datetime import datetime
 from typing import Any
 
-from sqlalchemy import DateTime, JSON
+from sqlalchemy import DateTime, JSON, func
-from sqlalchemy.orm import DeclarativeBase
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
 
 class CustomBase(DeclarativeBase):
@@ -14,3 +14,24 @@ class CustomBase(DeclarativeBase):
 		datetime: DateTime(timezone=True),
 		dict[str, Any]: JSON,
 	}
+
+
+class ActivatedMixin:
+	active: Mapped[bool] = mapped_column(default=True)
+
+
+class DeletedTimestampMixin:
+	deleted_at: Mapped[datetime | None] = mapped_column(nullable=True)
+
+
+class DescriptionMixin:
+	description: Mapped[str]
+
+
+class IdMixin:
+	id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+
+
+class TimestampMixin:
+	created_at: Mapped[datetime] = mapped_column(default=func.now())
+	updated_at: Mapped[datetime] = mapped_column(default=func.now(), onupdate=func.now())