new bot structure

app/infrastructure/database/database.py

@@ -0,0 +1,12 @@
+from config import DATABASE_URL
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.orm import declarative_base, sessionmaker
+
+engine = create_async_engine(DATABASE_URL, echo=True)
+Base = declarative_base()
+async_session = sessionmaker(bind=engine, expire_on_commit=False, class_=AsyncSession)
+
+
+async def get_session() -> AsyncSession:
+    async with async_session() as session:
+        yield session

app/infrastructure/database/models.py

@@ -0,0 +1,39 @@
+import datetime as dt
+
+from sqlalchemy import (
+    BigInteger,
+    DateTime,
+    ForeignKey,
+    func,
+)
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.database import Base
+
+
+class User(Base):
+    __tablename__ = "user"
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    fullname: Mapped[str] = mapped_column()
+    tg_id: Mapped[int] = mapped_column(BigInteger)
+    phone: Mapped[str] = mapped_column(nullable=True)
+
+
+class Event(Base):
+    __tablename__ = "event"
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str] = mapped_column()
+    description: Mapped[str] = mapped_column(default="")
+    start_date: Mapped[dt.date] = mapped_column(nullable=True)
+    end_date: Mapped[dt.date] = mapped_column(nullable=True)
+
+
+class UserEvent(Base):
+    __tablename__ = "user_event"
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    user: Mapped[int] = mapped_column(ForeignKey("user.id"))
+    event: Mapped[int] = mapped_column(ForeignKey("event.id"))
+    date: Mapped[dt.date] = mapped_column(
+        DateTime(timezone=True), server_default=func.now()
+    )
+    status: Mapped[str] = mapped_column(default="not confirmed")