create base models(users,tasks)

src/models/__init__.py

@@ -0,0 +1,7 @@
+from src.models.users import UsersORM
+from src.models.tasks import TasksORM
+
+__all__ = [
+    "UsersORM",
+    "TasksORM",
+]

src/models/tasks.py

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+from datetime import date
+from typing import Optional, TYPE_CHECKING
+
+from sqlalchemy import ForeignKey, Text, Date, Enum, String
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from src.db.database import Base
+
+
+status_enum = Enum("open", "closed", "in_progress", "todo", name="status_enum")
+priority_enum = Enum("low", "medium", "high", "critical", name="priority_enum")
+
+
+class TasksORM(Base):
+    if TYPE_CHECKING:
+        from src.models.users import UsersORM
+
+    __tablename__ = "tasks"
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
+    title: Mapped[str] = mapped_column(String(100))
+    description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
+    due_date: Mapped[Optional[date]] = mapped_column(Date, nullable=True)
+    status: Mapped[str] = mapped_column(status_enum, default="open")
+    priority: Mapped[str] = mapped_column(priority_enum, default="medium")
+    time_spent: Mapped[int] = mapped_column(default=0)
+
+    user: Mapped["Users"] = relationship(back_populates="tasks")

src/models/users.py

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+from typing import Optional, TYPE_CHECKING
+
+from fastapi_users_db_sqlalchemy import SQLAlchemyBaseUserTable
+from sqlalchemy import String, BigInteger, Integer
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from src.db.database import Base
+
+if TYPE_CHECKING:
+    from src.models.tasks import TasksORM
+
+
+class UsersORM(SQLAlchemyBaseUserTable[int], Base):
+    __tablename__ = "users"
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    username: Mapped[Optional[str]] = mapped_column(
+        String(30), nullable=False, unique=True, index=True
+    )
+    telegram_id: Mapped[Optional[int]] = mapped_column(BigInteger, nullable=True)
+    avatar_path: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
+
+    tasks: Mapped[list["TasksORM"]] = relationship(back_populates="user")