MibooGram/core/quiz/models.py
2022-10-10 19:07:28 +08:00

99 lines
3.0 KiB
Python

from typing import List, Optional
from sqlmodel import SQLModel, Field, Column, Integer, ForeignKey
from utils.baseobject import BaseObject
from utils.typedefs import JSONDict
class AnswerDB(SQLModel, table=True):
__tablename__ = "answer"
__table_args__ = dict(mysql_charset="utf8mb4", mysql_collate="utf8mb4_general_ci")
id: int = Field(primary_key=True)
question_id: Optional[int] = Field(
sa_column=Column(Integer, ForeignKey("question.id", ondelete="RESTRICT", onupdate="RESTRICT"))
)
is_correct: Optional[bool] = Field()
text: Optional[str] = Field()
class QuestionDB(SQLModel, table=True):
__tablename__ = "question"
__table_args__ = dict(mysql_charset="utf8mb4", mysql_collate="utf8mb4_general_ci")
id: int = Field(primary_key=True)
text: Optional[str] = Field()
class Answer(BaseObject):
def __init__(self, answer_id: int = 0, question_id: int = 0, is_correct: bool = True, text: str = ""):
"""Answer类
:param answer_id: 答案ID
:param question_id: 与之对应的问题ID
:param is_correct: 该答案是否正确
:param text: 答案文本
"""
self.answer_id = answer_id
self.question_id = question_id
self.text = text
self.is_correct = is_correct
__slots__ = ("answer_id", "question_id", "text", "is_correct")
def to_database_data(self) -> AnswerDB:
data = AnswerDB()
data.id = self.answer_id
data.question_id = self.question_id
data.text = self.text
data.is_correct = self.is_correct
return data
@classmethod
def de_database_data(cls, data: Optional[AnswerDB]) -> Optional["Answer"]:
if data is None:
return cls()
return cls(answer_id=data.id, question_id=data.question_id, text=data.text, is_correct=data.is_correct)
class Question(BaseObject):
def __init__(self, question_id: int = 0, text: str = "", answers: List[Answer] = None):
"""Question类
:param question_id: 问题ID
:param text: 问题文本
:param answers: 答案列表
"""
self.question_id = question_id
self.text = text
self.answers = [] if answers is None else answers
def to_database_data(self) -> QuestionDB:
data = QuestionDB()
data.text = self.text
data.id = self.question_id
return data
@classmethod
def de_database_data(cls, data: Optional[QuestionDB]) -> Optional["Question"]:
if data is None:
return cls()
return cls(question_id=data.id, text=data.text)
def to_dict(self) -> JSONDict:
data = super().to_dict()
if self.answers:
data["answers"] = [e.to_dict() for e in self.answers]
return data
@classmethod
def de_json(cls, data: Optional[JSONDict]) -> Optional["Question"]:
data = cls._parse_data(data)
if not data:
return None
data["answers"] = Answer.de_list(data.get("answers"))
return cls(**data)
__slots__ = ("question_id", "text", "answers")