31 lines
993 B
Python
31 lines
993 B
Python
"""Credit transaction model for tracking credit usage."""
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from typing import TYPE_CHECKING
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from sqlmodel import Field, Relationship
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from app.models.base import BaseModel
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if TYPE_CHECKING:
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from app.models.user import User
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class CreditTransaction(BaseModel, table=True):
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"""Database model for credit transactions."""
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__tablename__ = "credit_transaction" # pyright: ignore[reportAssignmentType]
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user_id: int = Field(foreign_key="user.id", nullable=False)
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action_type: str = Field(nullable=False)
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# Negative for deductions, positive for additions
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amount: int = Field(nullable=False)
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balance_before: int = Field(nullable=False)
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balance_after: int = Field(nullable=False)
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description: str = Field(nullable=False)
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success: bool = Field(nullable=False, default=True)
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# JSON string for additional data
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metadata_json: str | None = Field(default=None)
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# relationships
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user: "User" = Relationship(back_populates="credit_transactions")
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