Add cash payment compliance and accounting tools

app/modules/accounting/cash_payment_models.py

@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from datetime import date, datetime
+
+from sqlalchemy import Date, DateTime, Float, ForeignKey, Integer, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.db.common import CommonBase
+
+
+class CashPaymentRuleSetting(CommonBase):
+    __tablename__ = "accounting_cash_payment_rule_settings"
+    __table_args__ = (
+        UniqueConstraint("tenant_id", name="uq_cash_payment_rule_settings_tenant"),
+    )
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    tenant_id: Mapped[int] = mapped_column(ForeignKey("tenants.id", ondelete="CASCADE"), index=True)
+    cash_limit: Mapped[float] = mapped_column(Float, default=10000.0)
+    effective_from: Mapped[date] = mapped_column(Date, default=date(2017, 4, 1))
+    split_window_days: Mapped[int] = mapped_column(Integer, default=3)
+    near_limit_percent: Mapped[float] = mapped_column(Float, default=80.0)
+    max_allocation_days: Mapped[int] = mapped_column(Integer, default=5)
+    updated_by_user_id: Mapped[int | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
+    created_at_utc: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+    updated_at_utc: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)