feat: integrated pally webhook (draft, needs rewrite)

db/models/users.py

@@ -1,6 +1,6 @@
 from typing import TYPE_CHECKING
 
-from sqlalchemy import BIGINT, TEXT, VARCHAR
+from sqlalchemy import BIGINT, INTEGER, REAL, TEXT, VARCHAR, ForeignKey
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from db.base import Base
@@ -13,10 +13,17 @@ class User(Base):
     __tablename__ = "users"
 
     id: Mapped[int] = mapped_column(
-        BIGINT, unique=True, autoincrement=True, nullable=False, primary_key=True
+        INTEGER, unique=True, autoincrement=True, nullable=False, primary_key=True
     )
     username: Mapped[str] = mapped_column(TEXT, unique=True, nullable=True)
     hashed_password: Mapped[str] = mapped_column(VARCHAR(255), nullable=True)
     telegram_id: Mapped[int] = mapped_column(BIGINT, unique=True, nullable=True)
+    referal_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=True)
+
+    balance: Mapped[float] = mapped_column(REAL, nullable=False, default=0)
 
     sessions: Mapped[list["Session"]] = relationship(back_populates="user", lazy="selectin")
+    referal: Mapped["User | None"] = relationship(
+        "User",
+        remote_side=[id],
+    )