from collections import defaultdict
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from fastapi import APIRouter, Depends, HTTPException
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from app.auth import get_current_user
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from app.database import get_db
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from app.grader_scope import assert_subject_allowed
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from app.models import (
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ExamPaperMap,
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ExaminationExamExaminee,
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ExaminationExaminee,
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ExaminationExamineeExamAnswerItem,
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ExaminationPaperItem,
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ExaminationPaperSource,
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ImportBatch,
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User,
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)
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from app.schemas import AttemptDetail, PartGroup, QuestionDetail
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router = APIRouter(prefix="/api", tags=["attempts"])
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@router.get("/attempts/{attempt_id}", response_model=AttemptDetail)
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def get_attempt(
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attempt_id: str,
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db: Session = Depends(get_db),
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user: User = Depends(get_current_user),
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):
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try:
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attempt_pk = int(attempt_id)
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except ValueError:
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raise HTTPException(404, detail="记录不存在")
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attempt = db.get(ExaminationExamExaminee, attempt_pk)
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if not attempt:
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raise HTTPException(404, detail="记录不存在")
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examinee = db.get(ExaminationExaminee, attempt.examinee_id)
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batch = db.get(ImportBatch, attempt.import_batch_id)
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assert_subject_allowed(db, user, batch.subject_name if batch else None)
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pmap = db.scalar(
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select(ExamPaperMap).where(ExamPaperMap.exam_id == attempt.exam_id)
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)
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paper_id = pmap.paper_source_id if pmap else (batch.paper_source_id if batch else None)
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paper = db.get(ExaminationPaperSource, paper_id) if paper_id else None
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items = list(
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db.scalars(
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select(ExaminationPaperItem)
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.where(ExaminationPaperItem.paper_source_id == paper_id)
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.order_by(ExaminationPaperItem.part_ref, ExaminationPaperItem.item_order)
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)
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) if paper else []
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answer_items = {
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ai.external_item_id: ai
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for ai in db.scalars(
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select(ExaminationExamineeExamAnswerItem).where(
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ExaminationExamineeExamAnswerItem.exam_examinee_id == attempt_pk
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)
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)
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}
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groups: dict[str, list[QuestionDetail]] = defaultdict(list)
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part_order: list[str] = []
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for it in items:
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pn = it.part_name or "题目"
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if pn not in part_order:
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part_order.append(pn)
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ai = answer_items.get(it.external_item_id)
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groups[pn].append(
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QuestionDetail(
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external_item_id=it.external_item_id,
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part_name=it.part_name,
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item_type=it.item_type,
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item_order=it.item_order,
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title_html=it.title_html,
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detail_json=it.detail_json,
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max_score=it.max_score,
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reference_answer=it.reference_answer,
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user_answer=ai.answer_raw if ai else None,
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is_correct=ai.is_correct if ai else False,
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score=ai.score if ai else 0,
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)
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)
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return AttemptDetail(
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attempt_id=str(attempt.id),
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examinee_name=examinee.nickname if examinee else None,
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id_card=examinee.id_card if examinee else None,
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score=attempt.score,
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paper_total_score=paper.total_score if paper else None,
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paper_name=paper.paper_name if paper else None,
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subject_name=batch.subject_name if batch else None,
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room_id=attempt.room_id,
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seat_number=attempt.seat_number,
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start_time=attempt.start_time,
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end_time=attempt.end_time,
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parts=[PartGroup(part_name=p, questions=groups[p]) for p in part_order],
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)
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