mirror of
https://github.com/koloideal/Quizzi.git
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119 lines
4.2 KiB
Python
119 lines
4.2 KiB
Python
from datetime import datetime
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from enum import Enum
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from typing import final
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from sqlalchemy import BigInteger, CheckConstraint, ForeignKey, Integer, String, Text, func
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
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class Base(DeclarativeBase):
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pass
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@final
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class User(Base):
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__tablename__ = "users"
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id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
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username: Mapped[str | None] = mapped_column(String(32))
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first_name: Mapped[str] = mapped_column(String(64))
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last_name: Mapped[str | None] = mapped_column(String(64))
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group: Mapped[int | None] = mapped_column(CheckConstraint("group >= 1000 AND group <= 9999"))
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is_admin: Mapped[bool] = mapped_column(default=False)
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created_at: Mapped[datetime] = mapped_column(server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(server_default=func.now(), onupdate=func.now())
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class QuestionType(str, Enum):
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SINGLE = "single"
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MULTIPLE = "multiple"
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INPUT = "input"
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@final
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class Test(Base):
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__tablename__ = "tests"
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id: Mapped[int] = mapped_column(primary_key=True)
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title: Mapped[str] = mapped_column(String(255))
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description: Mapped[str | None] = mapped_column(Text)
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for_group: Mapped[int | None] = mapped_column(default=None)
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password: Mapped[str | None] = mapped_column(String(255), default=None)
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expires_at: Mapped[datetime | None] = mapped_column(default=None)
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is_active: Mapped[bool] = mapped_column(default=True)
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created_at: Mapped[datetime] = mapped_column(server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(server_default=func.now(), onupdate=func.now())
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questions: Mapped[list["Question"]] = relationship(
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back_populates="test",
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cascade="all, delete-orphan",
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order_by="Question.position"
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)
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@final
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class Question(Base):
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__tablename__ = "questions"
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id: Mapped[int] = mapped_column(primary_key=True)
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test_id: Mapped[int] = mapped_column(ForeignKey("tests.id"))
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text: Mapped[str] = mapped_column(Text)
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position: Mapped[int] = mapped_column(Integer, default=0)
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question_type: Mapped[QuestionType] = mapped_column(default=QuestionType.SINGLE)
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tg_file_id: Mapped[str | None] = mapped_column(String(255))
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test: Mapped["Test"] = relationship(back_populates="questions")
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options: Mapped[list["Option"]] = relationship(
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back_populates="question",
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cascade="all, delete-orphan"
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)
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@final
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class Option(Base):
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__tablename__ = "options"
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id: Mapped[int] = mapped_column(primary_key=True)
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question_id: Mapped[int] = mapped_column(ForeignKey("questions.id"))
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text: Mapped[str] = mapped_column(String(255))
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is_correct: Mapped[bool] = mapped_column(default=False)
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explanation: Mapped[str | None] = mapped_column(Text)
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question: Mapped["Question"] = relationship(back_populates="options")
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@final
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class TestAttempt(Base):
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__tablename__ = "test_attempts"
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id: Mapped[int] = mapped_column(primary_key=True)
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user_id: Mapped[int] = mapped_column(BigInteger, index=True)
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test_id: Mapped[int] = mapped_column(ForeignKey("tests.id"))
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started_at: Mapped[datetime] = mapped_column(server_default=func.now())
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finished_at: Mapped[datetime | None] = mapped_column(default=None)
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score: Mapped[int] = mapped_column(Integer, default=0)
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is_passed: Mapped[bool] = mapped_column(default=False)
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test: Mapped["Test"] = relationship()
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answers: Mapped[list["UserAnswer"]] = relationship(
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back_populates="attempt",
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cascade="all, delete-orphan"
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)
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@final
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class UserAnswer(Base):
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__tablename__ = "user_answers"
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id: Mapped[int] = mapped_column(primary_key=True)
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attempt_id: Mapped[int] = mapped_column(ForeignKey("test_attempts.id"))
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question_id: Mapped[int] = mapped_column(ForeignKey("questions.id"))
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selected_option_id: Mapped[int | None] = mapped_column(ForeignKey("options.id"), default=None)
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text_answer: Mapped[str | None] = mapped_column(Text, default=None)
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is_correct: Mapped[bool] = mapped_column(default=False)
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attempt: Mapped["TestAttempt"] = relationship(back_populates="answers")
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question: Mapped["Question"] = relationship()
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selected_option: Mapped["Option | None"] = relationship()
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