refactor kontor-api to use SQLAlchemy 2.0 features for mapping fields

(cherry picked from commit e57abdbef7e13e3880738cd639225df5db0c37be)

kontor-api/src/db/models/base.py

@@ -1,7 +1,8 @@
+from typing import Optional
 import uuid
 from datetime import datetime
 
-from sqlalchemy import func, Column, String, Boolean
+from sqlalchemy import func
 from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
 
@@ -10,21 +11,17 @@ class Base(DeclarativeBase):
 
 
 class BaseMixin:
-    #id = Column(String, primary_key=True, default=uuid.uuid4)
     id: Mapped[str] = mapped_column(primary_key=True, default=str(uuid.uuid4()))
-    # created_date = Column(DateTime)
     created_date: Mapped[datetime] = mapped_column(default=func.now())
-    # last_modified_date = Column(DateTime)
     last_modified_date: Mapped[datetime] = mapped_column(default=func.now())
-    # version = Column(Integer)
     version: Mapped[int] = mapped_column(default=0)
 
 
 class BaseVideoMixin:
-    cloud_link = Column(String, nullable=True)
-    file_name = Column(String, nullable=True)
-    path = Column(String)
-    review = Column(Boolean)
-    title = Column(String)
-    url = Column(String, nullable=True)
-    should_download = Column(Boolean)
+    cloud_link: Mapped[Optional[str]]
+    file_name: Mapped[Optional[str]]
+    path: Mapped[str]
+    review: Mapped[bool]
+    title: Mapped[str]
+    url: Mapped[str]
+    should_download: Mapped[bool]