26 lines
942 B
Python
26 lines
942 B
Python
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from sqlalchemy import select
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from sqlalchemy.orm import Session, selectinload
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from app.models.source_case import CaseBase
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class TeachingRepository:
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"""教学互动仓储：读取 case_base + teaching_case 以及评分相关扩展数据。"""
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def __init__(self, db: Session) -> None:
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self.db = db
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def get_active_teaching_case(self, case_id: int) -> CaseBase | None:
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"""教学病例读取：校验病例已发布、已启用且存在 teaching_case 扩展。"""
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stmt = (
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select(CaseBase)
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.options(
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selectinload(CaseBase.teaching_case),
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selectinload(CaseBase.traditional_case),
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selectinload(CaseBase.scoring_rules),
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)
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.where(CaseBase.id == case_id, CaseBase.status == 1, CaseBase.publish_status == 1)
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)
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case = self.db.scalar(stmt)
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return case if case and case.teaching_case else None
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