118 lines
4.4 KiB
Python
118 lines
4.4 KiB
Python
"""
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数据库模型定义
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"""
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from datetime import datetime
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from typing import Optional, List
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from sqlalchemy import Column, String, Integer, DateTime, Boolean, Text, ForeignKey, JSON
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import relationship
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Base = declarative_base()
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class User(Base):
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"""用户表"""
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__tablename__ = "users"
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id = Column(String, primary_key=True)
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phone = Column(String, unique=True, nullable=False, index=True) # 手机号（唯一，必填）
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password_hash = Column(String, nullable=False) # 密码哈希
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email = Column(String, unique=True, nullable=True) # 邮箱（可选）
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openid = Column(String, unique=True, nullable=True) # 微信 OpenID（可选）
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nickname = Column(String, nullable=False)
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avatar_url = Column(String, nullable=True)
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subscription_type = Column(String, default="free") # free, premium
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created_at = Column(DateTime, default=datetime.utcnow)
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# Relationships
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conversations = relationship("Conversation", back_populates="user")
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chapters = relationship("Chapter", back_populates="user")
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books = relationship("Book", back_populates="user")
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refresh_tokens = relationship("RefreshToken", back_populates="user", cascade="all, delete-orphan")
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class Conversation(Base):
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"""对话会话表"""
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__tablename__ = "conversations"
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id = Column(String, primary_key=True)
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user_id = Column(String, ForeignKey("users.id"), nullable=False)
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started_at = Column(DateTime, default=datetime.utcnow)
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ended_at = Column(DateTime, nullable=True)
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duration_seconds = Column(Integer, default=0)
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summary = Column(Text, nullable=True)
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status = Column(String, default="active") # active, ended, processing
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current_topic = Column(String, nullable=True)
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conversation_stage = Column(String, nullable=True) # childhood, education, career, family, beliefs, summary
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# Relationships
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user = relationship("User", back_populates="conversations")
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segments = relationship("Segment", back_populates="conversation", cascade="all, delete-orphan")
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class Segment(Base):
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"""对话段落表"""
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__tablename__ = "segments"
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id = Column(String, primary_key=True)
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conversation_id = Column(String, ForeignKey("conversations.id"), nullable=False)
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audio_url = Column(String, nullable=True)
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transcript_text = Column(Text, nullable=False)
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created_at = Column(DateTime, default=datetime.utcnow)
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processed = Column(Boolean, default=False)
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topic_category = Column(String, nullable=True)
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agent_response = Column(Text, nullable=True)
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# Relationships
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conversation = relationship("Conversation", back_populates="segments")
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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, primary_key=True)
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user_id = Column(String, ForeignKey("users.id"), nullable=False)
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title = Column(String, nullable=False)
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content = Column(Text, nullable=False)
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order_index = Column(Integer, nullable=False)
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status = Column(String, default="draft") # draft, completed
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images = Column(JSON, nullable=True) # 图片 URL 列表
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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category = Column(String, nullable=True) # 章节分类
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# Relationships
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user = relationship("User", back_populates="chapters")
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class Book(Base):
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"""回忆录表"""
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__tablename__ = "books"
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id = Column(String, primary_key=True)
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user_id = Column(String, ForeignKey("users.id"), nullable=False)
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title = Column(String, nullable=False)
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total_pages = Column(Integer, default=0)
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total_words = Column(Integer, default=0)
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cover_image_url = Column(String, nullable=True)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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# Relationships
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user = relationship("User", back_populates="books")
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class RefreshToken(Base):
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"""刷新令牌表"""
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__tablename__ = "refresh_tokens"
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id = Column(String, primary_key=True)
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user_id = Column(String, ForeignKey("users.id"), nullable=False, index=True)
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token = Column(String, unique=True, nullable=False, index=True) # 刷新令牌（唯一）
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expires_at = Column(DateTime, nullable=False) # 过期时间（30天后）
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created_at = Column(DateTime, default=datetime.utcnow)
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is_revoked = Column(Boolean, default=False) # 是否已撤销
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# Relationships
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user = relationship("User", back_populates="refresh_tokens")
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