pdf-quiz-generator/backend/app/models/attempt.py
ifedan-ed b876f13fac Initial commit: PDF Quiz Generator app
- FastAPI backend with JWT auth, roles (admin/moderator/user)
- PDF upload (up to 500MB) with streaming, PyMuPDF text extraction
- ChromaDB vectorization per page with metadata
- LiteLLM AI question extraction from PDF (not generation)
- Image extraction from PDF pages, graceful fallback
- Quiz modes: timed (countdown timer) + learning (answers shown inline)
- Page-by-page question navigation with dot navigator
- TTS endpoint using LiteLLM (Google Vertex / OpenAI voices)
- Admin dashboard: AI model management per task, user role management
- Moderator role: upload PDFs, create sections, generate quizzes
- Spaced repetition reminders via SMTP email (SM-2 intervals)
- APScheduler daily reminder jobs
- Celery + Redis for background PDF processing
- React frontend with all pages
- Docker Compose deployment (nginx + backend + celery + redis)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-30 20:04:53 +00:00

35 lines
1.3 KiB
Python

from datetime import datetime
from sqlalchemy import Column, Integer, Boolean, String, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from app.database import Base
class QuizAttempt(Base):
__tablename__ = "quiz_attempts"
id = Column(Integer, primary_key=True, index=True)
quiz_id = Column(Integer, ForeignKey("quizzes.id"), nullable=False)
user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
score = Column(Integer, default=0)
total_questions = Column(Integer, default=0)
started_at = Column(DateTime, default=datetime.utcnow)
completed_at = Column(DateTime, nullable=True)
quiz = relationship("Quiz", back_populates="attempts")
user = relationship("User", back_populates="attempts")
answers = relationship("AttemptAnswer", back_populates="attempt", cascade="all, delete-orphan")
class AttemptAnswer(Base):
__tablename__ = "attempt_answers"
id = Column(Integer, primary_key=True, index=True)
attempt_id = Column(Integer, ForeignKey("quiz_attempts.id"), nullable=False)
question_id = Column(Integer, ForeignKey("questions.id"), nullable=False)
user_answer = Column(String, nullable=False)
is_correct = Column(Boolean, default=False)
attempt = relationship("QuizAttempt", back_populates="answers")
question = relationship("Question")