34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
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"""
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年度收视目标模型 — SQLModel
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业务规则（.clinerules 5.2 年度目标只增不改）:
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- yearly_targets.year 有 UNIQUE 约束，数据库层已保证
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- 代码端 INSERT 时只许 ON CONFLICT DO NOTHING，禁止 ON CONFLICT UPDATE
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- 历史年份目标行绝不可被覆盖或删除
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- 前端判颜色时按播出年份取对应年的目标，不是当前年份
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"""
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from datetime import date, datetime
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from sqlalchemy import Column
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from sqlalchemy import DateTime as SADateTime
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from sqlalchemy import Integer as SAInteger
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from sqlalchemy import Numeric as SANumeric
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from sqlalchemy.sql import func as sa_func
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from sqlmodel import Field, SQLModel
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class YearlyTarget(SQLModel, table=True):
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__tablename__ = "yearly_targets"
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id: int | None = Field(default=None, primary_key=True)
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year: int = Field(unique=True, index=True)
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base_target: float # 基础目标
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stretch_target: float # 摸高目标
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issued_date: date | None = Field(default=None)
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notes: str | None = Field(default=None)
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created_at: datetime | None = Field(
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default=None,
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sa_column=Column(SADateTime(timezone=True), nullable=False, server_default=sa_func.now()),
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)
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