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