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2025-11-18 22:14:55 +08:00

32 lines
1.6 KiB
Python

"""章节数据模型"""
from sqlalchemy import Column, String, Text, Integer, DateTime, ForeignKey
from sqlalchemy.sql import func
from app.database import Base
import uuid
class Chapter(Base):
"""章节表"""
__tablename__ = "chapters"
id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
project_id = Column(String(36), ForeignKey("projects.id", ondelete="CASCADE"), nullable=False)
chapter_number = Column(Integer, nullable=False, comment="章节序号")
title = Column(String(200), nullable=False, comment="章节标题")
content = Column(Text, comment="章节内容")
summary = Column(Text, comment="章节摘要")
word_count = Column(Integer, default=0, comment="字数统计")
status = Column(String(20), default="draft", comment="章节状态")
# 大纲关联字段(实现一对多关系)
outline_id = Column(String(36), ForeignKey("outlines.id", ondelete="SET NULL"), nullable=True, comment="关联的大纲ID")
sub_index = Column(Integer, default=1, comment="大纲下的子章节序号")
# 大纲展开规划数据(JSON格式)
expansion_plan = Column(Text, comment="展开规划详情(JSON): 包含key_events, character_focus, emotional_tone等")
created_at = Column(DateTime, server_default=func.now(), comment="创建时间")
updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now(), comment="更新时间")
def __repr__(self):
return f"<Chapter(id={self.id}, chapter_number={self.chapter_number}, title={self.title}, outline_id={self.outline_id})>"