feat: integrated pally webhook (draft, needs rewrite)

db/models/transactions.py

@@ -0,0 +1,43 @@
+from datetime import UTC, datetime
+from enum import StrEnum
+from typing import TYPE_CHECKING
+
+from sqlalchemy import BIGINT, INTEGER, TEXT, DateTime, Enum, ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column
+
+from db.base import Base
+
+if TYPE_CHECKING:
+    pass
+
+
+class BalanceTxType(StrEnum):
+    DEPOSIT = "deposit"
+    PURCHASE = "purchase"
+    REFUND = "refund"
+    REFERRAL_BONUS = "referral"
+    MANUAL = "manual"
+    AUTORENEW = "autorenew"
+    MANUAL_RENEW = "manual_renew"
+
+
+class BalanceTransaction(Base):
+    __tablename__ = "balance_transactions"
+
+    id: Mapped[int] = mapped_column(BIGINT, autoincrement=True, primary_key=True)
+    user_id: Mapped[int] = mapped_column(BIGINT, ForeignKey("users.id"), nullable=False, index=True)
+    amount: Mapped[int] = mapped_column(INTEGER, nullable=False)
+
+    tx_type: Mapped[BalanceTxType] = mapped_column(
+        Enum(BalanceTxType, name="balancetxtype", values_callable=lambda x: [e.value for e in x]),
+        nullable=False,
+    )
+    balance_before: Mapped[int] = mapped_column(INTEGER, nullable=False)
+    balance_after: Mapped[int] = mapped_column(INTEGER, nullable=False)
+    description: Mapped[str] = mapped_column(TEXT, nullable=True)
+
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        nullable=False,
+        default=lambda: datetime.now(UTC),
+    )