52 lines
2.4 KiB
Python
52 lines
2.4 KiB
Python
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"""章节重新生成任务模型"""
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from sqlalchemy import Column, String, Text, Integer, DateTime, ForeignKey, JSON, Boolean
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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 RegenerationTask(Base):
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"""章节重新生成任务表"""
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__tablename__ = "regeneration_tasks"
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# 基本信息
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id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
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chapter_id = Column(String(36), ForeignKey('chapters.id', ondelete='CASCADE'), nullable=False, index=True)
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analysis_id = Column(String(36), nullable=True, comment="关联的分析结果ID")
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user_id = Column(String(50), nullable=False, index=True)
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project_id = Column(String(36), nullable=False, index=True)
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# 修改指令
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modification_instructions = Column(Text, nullable=False, comment="综合修改指令")
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original_suggestions = Column(JSON, comment="来自分析的原始建议列表")
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selected_suggestion_indices = Column(JSON, comment="用户选择的建议索引")
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custom_instructions = Column(Text, comment="用户自定义修改意见")
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# 生成参数
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style_id = Column(Integer, nullable=True, comment="写作风格ID")
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target_word_count = Column(Integer, default=3000, comment="目标字数")
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focus_areas = Column(JSON, comment="重点优化方向")
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preserve_elements = Column(JSON, comment="需要保留的元素配置")
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# 状态跟踪
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status = Column(String(20), default='pending', comment="pending/running/completed/failed")
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progress = Column(Integer, default=0, comment="进度 0-100")
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error_message = Column(Text, nullable=True)
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# 内容版本
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original_content = Column(Text, comment="原始章节内容快照")
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original_word_count = Column(Integer, comment="原始字数")
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regenerated_content = Column(Text, comment="重新生成的内容")
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regenerated_word_count = Column(Integer, comment="新内容字数")
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version_number = Column(Integer, default=1, comment="版本号")
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version_note = Column(String(500), comment="版本说明")
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# 时间戳
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created_at = Column(DateTime, server_default=func.now())
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started_at = Column(DateTime, nullable=True)
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completed_at = Column(DateTime, nullable=True)
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def __repr__(self):
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return f"<RegenerationTask(id={self.id[:8]}..., chapter_id={self.chapter_id[:8]}..., status={self.status})>"
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