392 lines
16 KiB
Python
392 lines
16 KiB
Python
"""Сессии: создание, состояние, история.
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`group_id` и `mode` принимаются с первого дня — размечать накопленные сессии
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задним числом не надо (docs/arch/CONTRACT.md#http-api).
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"""
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from datetime import datetime
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from uuid import UUID
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from fastapi import APIRouter, Depends, HTTPException, Query, Request, Response
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from fastapi.responses import FileResponse
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from pydantic import BaseModel, Field, field_validator
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.api.auth import audit, require
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from app.config import get_settings
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from app.db import repo
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from app.db.base import get_session
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from app.db.models import AuditLog, Score
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from app.domain.events import Exercise, SessionMode, SessionReport
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from app.scenarios import store
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from app.scoring.report import build as build_report
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from app.scoring.export import to_csv, to_pdf
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from app.domain.roles import Role
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from app.session.hub import hub
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from app.voice.recording import recording_path
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router = APIRouter(prefix="/api/sessions", tags=["sessions"])
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class SessionCreate(BaseModel):
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scenario_id: str
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mode: SessionMode
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trainee: str | None = None
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group: str | None = None
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class SessionOut(BaseModel):
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session_id: UUID
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scenario_id: str
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mode: SessionMode
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attempt: int
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trainee_id: UUID | None = None
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group_id: UUID | None = None
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started_at: datetime | None = None
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ended_at: datetime | None = None
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end_reason: str | None = None
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def _out(session) -> SessionOut:
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return SessionOut(
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session_id=session.id,
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scenario_id=session.scenario_id,
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mode=session.mode,
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attempt=session.attempt,
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trainee_id=session.trainee_id,
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group_id=session.group_id,
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started_at=session.started_at,
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ended_at=session.ended_at,
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end_reason=session.end_reason,
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)
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@router.post("", response_model=SessionOut, status_code=201)
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async def create(body: SessionCreate, request: Request, db: AsyncSession = Depends(get_session)) -> SessionOut:
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who = require(request, Role.INSTRUCTOR)
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try:
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group = await repo.ensure_group(db, body.group, owner_login=who.login) if body.group else None
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except PermissionError as exc:
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raise HTTPException(status_code=404, detail="group_not_found") from exc
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trainee = await repo.ensure_trainee(db, body.trainee, group) if body.trainee else None
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session = await repo.create_session(
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db,
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scenario_id=body.scenario_id,
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mode=body.mode.value,
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trainee_id=trainee.id if trainee else None,
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group_id=group.id if group else None,
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owner_login=who.login,
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)
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await audit(
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who.login,
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who.role.value,
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"session.create",
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str(session.id),
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f"scenario={session.scenario_id}; mode={session.mode}; attempt={session.attempt}",
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)
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return _out(session)
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@router.get("/{session_id}", response_model=SessionOut)
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async def read(session_id: UUID, request: Request, db: AsyncSession = Depends(get_session)) -> SessionOut:
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who = require(request)
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session = await repo.get_session(db, session_id)
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if session is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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if who.role is Role.TRAINEE and session.trainee_id != who.trainee_id:
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raise HTTPException(status_code=403, detail="not_your_session")
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if who.role is Role.INSTRUCTOR and session.owner_login != who.login:
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raise HTTPException(status_code=404, detail="session_not_found")
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return _out(session)
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class ChecklistItemOut(BaseModel):
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id: str
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question: str
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@router.get("/{session_id}/checklist", response_model=list[ChecklistItemOut])
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async def checklist(session_id: UUID, request: Request) -> list[ChecklistItemOut]:
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"""Чек-лист для самооценки — **только после конца звонка**.
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Во время звонка это содержимое подсказок: отдать его значит выдать
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в контрольном режиме то, чего там быть не должно. После звонка курсант
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по нему отмечает, что, по его мнению, пропустил.
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"""
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who = require(request)
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state = hub.get(session_id)
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if state is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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if who.role is Role.TRAINEE and state.trainee_id != who.trainee_id:
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raise HTTPException(status_code=403, detail="not_your_session")
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if who.role is Role.INSTRUCTOR and state.owner_login != who.login:
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raise HTTPException(status_code=404, detail="session_not_found")
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if not state.ended:
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raise HTTPException(status_code=409, detail="call_not_ended")
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scenario = state.scenario or store.get(state.scenario_id)
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if scenario is None:
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raise HTTPException(status_code=404, detail="scenario_not_found")
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return [
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ChecklistItemOut(id=item.id, question=item.question)
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for item in scenario.checklist
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if item.question
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]
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class ScoreOverride(BaseModel):
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"""Коррекция оценки преподавателем. Автооценка сохраняется рядом."""
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score_final: float = Field(ge=0, le=100)
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comment: str = Field(min_length=1, max_length=2000)
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@field_validator("comment")
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@classmethod
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def comment_must_not_be_blank(cls, comment: str) -> str:
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cleaned = comment.strip()
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if not cleaned:
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raise ValueError("обоснование корректировки обязательно")
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return cleaned
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def _live(session_id: UUID):
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state = hub.get(session_id)
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if state is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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scenario = state.scenario or store.get(state.scenario_id)
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if scenario is None:
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raise HTTPException(status_code=404, detail="scenario_not_found")
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return state, scenario
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async def _report_data(
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session_id: UUID, request: Request, db: AsyncSession,
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) -> SessionReport:
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"""Разбор сессии: метрики, отметки, эталонные вопросы, самооценка, пометки.
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Обучающийся открывает только свой разбор: ТЗ запрещает доступ к чужим
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результатам, а не только к чужим экранам. Проверка по `trainee_id`
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занятия, а не по номеру в ссылке.
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"""
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who = require(request)
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try:
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state, scenario = _live(session_id)
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except HTTPException as exc:
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if exc.status_code != 404:
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raise
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state = None
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scenario = None
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if state is not None and scenario is not None:
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if who.role is Role.INSTRUCTOR and state.owner_login != who.login:
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raise HTTPException(status_code=404, detail="session_not_found")
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if who.role is Role.TRAINEE and state.trainee_id != who.trainee_id:
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raise HTTPException(status_code=403, detail="not_your_session")
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if who.role is Role.TRAINEE and state.exercise is Exercise.CALL and not state.self_assessed:
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raise HTTPException(status_code=409, detail="self_assessment_required")
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if state.score is None:
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raise HTTPException(status_code=409, detail="score_not_ready")
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return build_report(session_id, state, scenario)
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session = await repo.get_session(db, session_id)
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if session is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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if who.role is Role.TRAINEE and session.trainee_id != who.trainee_id:
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raise HTTPException(status_code=403, detail="not_your_session")
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if who.role is Role.INSTRUCTOR and session.owner_login != who.login:
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raise HTTPException(status_code=404, detail="session_not_found")
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score = await db.scalar(select(Score).where(Score.session_id == session_id))
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if score is None:
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raise HTTPException(status_code=409, detail="score_not_ready")
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archived = (score.report or {}).get("full_report")
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if archived is None:
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raise HTTPException(status_code=409, detail="report_not_archived")
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data = SessionReport.model_validate(archived)
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if (who.role is Role.TRAINEE and data.reference_questions
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and data.self_assessment is None):
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raise HTTPException(status_code=409, detail="self_assessment_required")
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return data.model_copy(update={
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"score_auto": score.score_auto,
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"score_final": score.score_final,
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"overridden_by": score.overridden_by,
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"override_comment": score.override_comment,
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})
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@router.get("/{session_id}/report", response_model=SessionReport)
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async def report(
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session_id: UUID, request: Request, db: AsyncSession = Depends(get_session),
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) -> SessionReport:
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return await _report_data(session_id, request, db)
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@router.get("/{session_id}/report.csv")
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async def report_csv(
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session_id: UUID, request: Request, db: AsyncSession = Depends(get_session),
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) -> Response:
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"""Те же права и готовность оценки, что у JSON-разбора."""
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data = await _report_data(session_id, request, db)
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return Response(
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content=to_csv(data), media_type="text/csv; charset=utf-8",
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headers={"Content-Disposition": f'attachment; filename="session-{session_id}-report.csv"'},
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)
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@router.get("/{session_id}/report.pdf")
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async def report_pdf(
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session_id: UUID, request: Request, db: AsyncSession = Depends(get_session),
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) -> Response:
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"""Печатный разбор; генерация полностью локальна."""
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data = await _report_data(session_id, request, db)
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try:
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content = to_pdf(data)
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except RuntimeError as exc:
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raise HTTPException(status_code=503, detail=str(exc)) from exc
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return Response(
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content=content, media_type="application/pdf",
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headers={"Content-Disposition": f'attachment; filename="session-{session_id}-report.pdf"'},
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)
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@router.get("/{session_id}/recording.wav")
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async def recording(session_id: UUID, request: Request, db: AsyncSession = Depends(get_session)):
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"""Запись учебного звонка: преподавателю либо владельцу занятия."""
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who = require(request, Role.INSTRUCTOR, Role.TRAINEE)
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if get_settings().demo_no_db:
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state = hub.get(session_id)
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if state is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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owner_id = state.trainee_id
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owner_login = state.owner_login
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ended = state.ended
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else:
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row = await repo.get_session(db, session_id)
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if row is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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owner_id = row.trainee_id
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owner_login = row.owner_login
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ended = row.ended_at is not None
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if who.role is Role.TRAINEE and (owner_id is None or owner_id != who.trainee_id):
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raise HTTPException(status_code=403, detail="not_your_recording")
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if who.role is Role.INSTRUCTOR and owner_login != who.login:
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raise HTTPException(status_code=404, detail="recording_not_found")
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if not ended:
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raise HTTPException(status_code=409, detail="recording_not_ready")
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path = recording_path(session_id)
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if not path.is_file():
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raise HTTPException(status_code=404, detail="recording_not_found")
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return FileResponse(
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path,
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media_type="audio/wav",
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filename=f"session-{session_id}-recording.wav",
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)
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@router.patch("/{session_id}/report", response_model=SessionReport)
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async def override(
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session_id: UUID,
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body: ScoreOverride,
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request: Request,
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db: AsyncSession = Depends(get_session),
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) -> SessionReport:
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"""Тренажёр готовит материал, преподаватель имеет последнее слово.
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Администратору сюда нельзя: ТЗ запрещает ему вмешиваться в оценки прямо.
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"""
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who = require(request, Role.INSTRUCTOR)
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session = await repo.get_session(db, session_id)
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if session is None:
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raise HTTPException(status_code=404, detail="session_not_found")
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if session.owner_login != who.login:
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raise HTTPException(status_code=404, detail="session_not_found")
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state = hub.get(session_id)
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live_ready = state is not None and state.score is not None
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scenario = (state.scenario or store.get(state.scenario_id)) if live_ready else None
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if live_ready and scenario is None:
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raise HTTPException(status_code=409, detail="scenario_not_found")
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score = await db.scalar(select(Score).where(Score.session_id == session_id))
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if score is None:
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raise HTTPException(status_code=409, detail="score_not_ready")
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archived = (score.report or {}).get("full_report")
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if not live_ready and archived is None:
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raise HTTPException(status_code=409, detail="report_not_archived")
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# Persist score and audit entry in the same request transaction: the API
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# must not report success if either durable record failed to commit.
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score.score_final = body.score_final
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score.overridden_by = who.login
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score.override_comment = body.comment
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report_payload = dict(score.report or {})
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if archived is not None:
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archived_payload = dict(archived)
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archived_payload.update({
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"score_auto": score.score_auto,
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"score_final": body.score_final,
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"overridden_by": who.login,
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"override_comment": body.comment,
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})
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report_payload["full_report"] = archived_payload
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score.report = report_payload
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db.add(AuditLog(
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actor=who.login,
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role=who.role.value,
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action="score.override",
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object_id=str(session_id),
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detail=f"{score.score_auto} → {body.score_final}: {body.comment}"[:2000],
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))
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await db.commit()
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if live_ready:
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assert state is not None and state.score is not None and scenario is not None
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state.score = {
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**state.score,
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"score_final": body.score_final,
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"overridden_by": who.login,
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"override_comment": body.comment,
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}
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state.score["full_report"] = {
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**state.score.get("full_report", {}),
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"score_auto": score.score_auto,
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"score_final": body.score_final,
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"overridden_by": who.login,
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"override_comment": body.comment,
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}
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result = build_report(session_id, state, scenario)
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else:
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# Historical/archived sessions no longer have a live object in the hub.
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# Keep score correction available from the instructor's report history.
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result = SessionReport.model_validate(archived).model_copy(update={
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"score_auto": score.score_auto,
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"score_final": body.score_final,
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"overridden_by": who.login,
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"override_comment": body.comment,
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})
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return result
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@router.get("", response_model=list[SessionOut])
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async def listing(
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request: Request,
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trainee: UUID | None = None,
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group: UUID | None = None,
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mode: SessionMode | None = None,
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since: datetime | None = Query(default=None, alias="from"),
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limit: int = 100,
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db: AsyncSession = Depends(get_session),
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) -> list[SessionOut]:
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who = require(request)
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# Обучающийся видит только свою историю, что бы он ни передал в фильтре.
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if who.role is Role.TRAINEE:
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if who.trainee_id is None:
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raise HTTPException(status_code=403, detail="trainee_profile_required")
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trainee = who.trainee_id
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owner_login = who.login if who.role is Role.INSTRUCTOR else None
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rows = await repo.history(
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db,
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trainee_id=trainee,
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group_id=group,
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mode=mode.value if mode else None,
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owner_login=owner_login,
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since=since,
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limit=limit,
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)
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return [_out(row) for row in rows]
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