dekun
354 lines
12 KiB
Python
354 lines
12 KiB
Python
import json
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import uuid
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from fastapi import APIRouter, Depends, HTTPException, Query, status
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from sqlalchemy.orm import Session, joinedload
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from app.core.database import get_db
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from app.core.deps import get_current_user
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from app.models.user import ExamRecord, SubjectScore, User
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from app.schemas import (
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ExamCreate,
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ExamOut,
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ExamReviewUpdate,
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ExamUpdate,
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ReviewInsightRequest,
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ReviewInsightResponse,
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ReviewStatusEnum,
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ScoreOut,
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TrendResponse,
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)
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from app.services import llm as llm_service
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from app.services.score_trend import build_trend
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from app.services.student_access import get_student_for_user
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router = APIRouter(tags=["exams"])
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_EXAM_TYPE_LABELS = {"weekly": "周考", "monthly": "月考", "final": "期末"}
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_REVIEW_STATUS_LABELS = {
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ReviewStatusEnum.careless: "粗心",
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ReviewStatusEnum.unknown: "不会",
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ReviewStatusEnum.nervous: "紧张",
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ReviewStatusEnum.normal: "正常发挥",
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}
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def _subject_display_name(score: SubjectScore) -> str:
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return score.subject.name if score.subject else f"科目{score.subject_id}"
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def _build_review_records_text(exams: list[ExamRecord], subject_name: str) -> str:
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lines: list[str] = []
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for exam in sorted(exams, key=lambda item: item.exam_date, reverse=True):
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for score in exam.scores:
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if _subject_display_name(score) != subject_name:
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continue
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statuses = _parse_review_statuses(score.review_statuses_json)
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if not statuses:
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continue
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type_label = _EXAM_TYPE_LABELS.get(exam.exam_type.value, exam.exam_type.value)
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status_text = "、".join(_REVIEW_STATUS_LABELS.get(s, s.value) for s in statuses)
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ratio = float(score.ratio) * 100
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line = (
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f"- {exam.exam_date} {type_label} "
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f"得分{float(score.obtained_score):g}/{float(score.total_score):g}({ratio:.1f}%) "
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f"状态:{status_text}"
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)
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if exam.title:
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line += f" 备注:{exam.title}"
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lines.append(line)
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return "\n".join(lines)
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def _parse_review_statuses(raw: str | None) -> list[ReviewStatusEnum]:
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if not raw:
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return []
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try:
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data = json.loads(raw)
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except json.JSONDecodeError:
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return []
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if not isinstance(data, list):
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return []
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result: list[ReviewStatusEnum] = []
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for item in data:
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try:
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result.append(ReviewStatusEnum(str(item)))
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except ValueError:
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continue
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return result
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def _serialize_review_statuses(statuses: list[ReviewStatusEnum] | None) -> str | None:
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if not statuses:
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return None
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values: list[str] = []
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for item in statuses:
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if isinstance(item, ReviewStatusEnum):
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values.append(item.value)
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else:
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values.append(str(item))
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return json.dumps(values, ensure_ascii=False)
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def _score_to_out(score: SubjectScore) -> ScoreOut:
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return ScoreOut(
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id=score.id,
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subject_id=score.subject_id,
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subject_name=score.subject.name if score.subject else None,
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total_score=float(score.total_score),
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obtained_score=float(score.obtained_score),
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ratio=float(score.ratio),
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review_statuses=_parse_review_statuses(score.review_statuses_json),
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)
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def _exam_to_out(exam: ExamRecord) -> ExamOut:
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return ExamOut(
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id=exam.id,
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exam_type=exam.exam_type,
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exam_date=exam.exam_date,
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title=exam.title,
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created_at=exam.created_at,
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scores=[_score_to_out(s) for s in exam.scores],
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)
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def _apply_scores(db: Session, exam: ExamRecord, scores_data):
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existing_by_subject = {s.subject_id: s for s in list(exam.scores)}
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keep_subject_ids: set[int] = set()
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for item in scores_data:
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keep_subject_ids.add(item.subject_id)
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ratio = round(item.obtained_score / item.total_score, 4)
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review_json = _serialize_review_statuses(item.review_statuses)
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existing = existing_by_subject.get(item.subject_id)
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if existing is not None:
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existing.total_score = item.total_score
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existing.obtained_score = item.obtained_score
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existing.ratio = ratio
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existing.review_statuses_json = review_json
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else:
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exam.scores.append(
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SubjectScore(
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subject_id=item.subject_id,
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total_score=item.total_score,
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obtained_score=item.obtained_score,
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ratio=ratio,
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review_statuses_json=review_json,
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)
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)
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for subject_id, score in existing_by_subject.items():
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if subject_id not in keep_subject_ids:
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exam.scores.remove(score)
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db.delete(score)
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@router.get("/students/{student_id}/exams", response_model=list[ExamOut])
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def list_exams(
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student_id: uuid.UUID,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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get_student_for_user(db, student_id, current_user.id)
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exams = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.filter(ExamRecord.student_id == student_id)
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.order_by(ExamRecord.exam_date.desc(), ExamRecord.created_at.desc())
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.all()
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)
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return [_exam_to_out(e) for e in exams]
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@router.post("/students/{student_id}/exams", response_model=ExamOut, status_code=status.HTTP_201_CREATED)
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def create_exam(
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student_id: uuid.UUID,
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data: ExamCreate,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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get_student_for_user(db, student_id, current_user.id)
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exam = ExamRecord(
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student_id=student_id,
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exam_type=data.exam_type,
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exam_date=data.exam_date,
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title=data.title,
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)
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db.add(exam)
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db.flush()
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if data.scores:
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_apply_scores(db, exam, data.scores)
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db.commit()
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db.refresh(exam)
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exam = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.filter(ExamRecord.id == exam.id)
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.first()
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)
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return _exam_to_out(exam)
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@router.get("/exams/{exam_id}", response_model=ExamOut)
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def get_exam(
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exam_id: uuid.UUID,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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exam = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.join(ExamRecord.student)
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.filter(ExamRecord.id == exam_id)
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.first()
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)
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if exam is None or exam.student.user_id != current_user.id:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="考试记录不存在")
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return _exam_to_out(exam)
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@router.patch("/exams/{exam_id}", response_model=ExamOut)
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def update_exam(
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exam_id: uuid.UUID,
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data: ExamUpdate,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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exam = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.join(ExamRecord.student)
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.filter(ExamRecord.id == exam_id)
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.first()
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)
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if exam is None or exam.student.user_id != current_user.id:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="考试记录不存在")
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if data.exam_type is not None:
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exam.exam_type = data.exam_type
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if data.exam_date is not None:
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exam.exam_date = data.exam_date
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if data.title is not None:
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exam.title = data.title
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if data.scores is not None:
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_apply_scores(db, exam, data.scores)
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db.commit()
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db.refresh(exam)
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exam = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.filter(ExamRecord.id == exam.id)
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.first()
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)
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return _exam_to_out(exam)
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@router.patch("/exams/{exam_id}/review", response_model=ExamOut)
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def update_exam_review(
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exam_id: uuid.UUID,
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data: ExamReviewUpdate,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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exam = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.join(ExamRecord.student)
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.filter(ExamRecord.id == exam_id)
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.first()
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)
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if exam is None or exam.student.user_id != current_user.id:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="考试记录不存在")
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by_subject = {s.subject_id: s for s in exam.scores}
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for item in data.reviews:
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score = by_subject.get(item.subject_id)
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if score is None:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"科目 {item.subject_id} 不在该次考试中",
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)
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score.review_statuses_json = _serialize_review_statuses(item.review_statuses)
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db.commit()
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db.refresh(exam)
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exam = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.filter(ExamRecord.id == exam.id)
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.first()
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)
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return _exam_to_out(exam)
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@router.post("/students/{student_id}/review-insight", response_model=ReviewInsightResponse)
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async def review_insight(
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student_id: uuid.UUID,
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data: ReviewInsightRequest,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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student = get_student_for_user(db, student_id, current_user.id)
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exams = (
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db.query(ExamRecord)
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.options(joinedload(ExamRecord.scores).joinedload(SubjectScore.subject))
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.filter(ExamRecord.student_id == student_id)
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.all()
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)
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subject_name = data.subject_name.strip()
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records = _build_review_records_text(exams, subject_name)
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if not records:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="该科目暂无复盘数据",
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)
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ai_cfg = llm_service.load_ai_config(db)
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try:
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insight = await llm_service.generate_review_insight(
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ai_cfg,
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subject_name,
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records,
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student.school_level,
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)
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except Exception as exc:
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raise HTTPException(
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status_code=status.HTTP_502_BAD_GATEWAY,
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detail=f"AI 调用失败: {exc}",
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) from exc
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return ReviewInsightResponse(insight=insight)
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@router.delete("/exams/{exam_id}", status_code=status.HTTP_204_NO_CONTENT)
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def delete_exam(
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exam_id: uuid.UUID,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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exam = (
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db.query(ExamRecord)
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.join(ExamRecord.student)
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.filter(ExamRecord.id == exam_id)
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.first()
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)
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if exam is None or exam.student.user_id != current_user.id:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="考试记录不存在")
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db.delete(exam)
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db.commit()
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@router.get("/students/{student_id}/scores/trend", response_model=TrendResponse)
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def get_score_trend(
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student_id: uuid.UUID,
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subject_id: int = Query(...),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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get_student_for_user(db, student_id, current_user.id)
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try:
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return build_trend(db, student_id, subject_id)
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except ValueError as exc:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)) from exc
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