48 lines
2.4 KiB
Python
48 lines
2.4 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from decimal import Decimal
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from sqlalchemy import DateTime, ForeignKey, Index, Numeric, String
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from sqlalchemy.orm import Mapped, mapped_column
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from app.models.base import Base, TimestampMixin
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class CreditRecordAllocation(Base, TimestampMixin):
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__tablename__ = "credit_record_allocations"
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__table_args__ = (
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Index("ix_credit_record_allocations_record", "credit_record_id", "id"),
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Index("ix_credit_record_allocations_balance", "credit_balance_id", "created_at"),
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Index("ix_credit_record_allocations_user_time", "user_id", "created_at"),
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Index("ix_credit_record_allocations_source_allocation", "source_allocation_id"),
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)
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id: Mapped[str] = mapped_column(String(32), primary_key=True)
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credit_record_id: Mapped[str] = mapped_column(
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String(32), ForeignKey("credit_records.id", ondelete="CASCADE"), nullable=False
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)
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credit_balance_id: Mapped[str] = mapped_column(
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String(32), ForeignKey("user_credit_balances.id", ondelete="RESTRICT"), nullable=False
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)
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user_id: Mapped[str] = mapped_column(
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String(32), ForeignKey("users.id", ondelete="CASCADE"), nullable=False
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)
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source_allocation_id: Mapped[str | None] = mapped_column(
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String(32), ForeignKey("credit_record_allocations.id", ondelete="SET NULL"), nullable=True
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)
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allocation_action: Mapped[str] = mapped_column(String(48), nullable=False, index=True)
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amount: Mapped[Decimal] = mapped_column(Numeric(20, 2), nullable=False)
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request_time: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
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credit_level_snapshot: Mapped[str] = mapped_column(String(32), nullable=False)
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source_type_snapshot: Mapped[str] = mapped_column(String(48), nullable=False)
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source_id_snapshot: Mapped[str | None] = mapped_column(String(64), nullable=True)
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valid_from_snapshot: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
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expires_at_snapshot: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
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unspent_before: Mapped[Decimal] = mapped_column(Numeric(20, 2), nullable=False)
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unspent_after: Mapped[Decimal] = mapped_column(Numeric(20, 2), nullable=False)
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consumed_before: Mapped[Decimal] = mapped_column(Numeric(20, 2), nullable=False)
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consumed_after: Mapped[Decimal] = mapped_column(Numeric(20, 2), nullable=False)
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