81 lines
4.4 KiB
Python
81 lines
4.4 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import BigInteger, DateTime, ForeignKey, Index, Integer, String, Text, func
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.models.base import Base, TimestampMixin
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PRIMARY_KEY_TYPE = BigInteger().with_variant(Integer, "sqlite")
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class ChatSession(Base, TimestampMixin):
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__tablename__ = "sys_chat_session"
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__table_args__ = (
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Index(
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"ix_chat_session_user_source_active_updated",
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"user_id",
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"source_type",
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"source_client_id",
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"is_deleted",
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"updated_at",
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),
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)
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id: Mapped[int] = mapped_column(PRIMARY_KEY_TYPE, primary_key=True, autoincrement=True)
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user_id: Mapped[int] = mapped_column(ForeignKey("sys_user.id"), index=True, nullable=False)
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source_type: Mapped[str] = mapped_column(String(20), default="direct", nullable=False)
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source_client_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
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title: Mapped[str] = mapped_column(String(100), nullable=False)
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summary: Mapped[str | None] = mapped_column(Text, nullable=True)
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summary_up_to_message_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
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message_count: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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last_message_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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is_deleted: Mapped[int] = mapped_column(default=0, nullable=False)
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user: Mapped["User"] = relationship("User", back_populates="chat_sessions")
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messages: Mapped[list["ChatMessage"]] = relationship("ChatMessage", back_populates="session")
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class ChatMessage(Base):
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__tablename__ = "sys_chat_message"
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id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
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session_id: Mapped[int] = mapped_column(ForeignKey("sys_chat_session.id"), index=True, nullable=False)
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topic_session_id: Mapped[int | None] = mapped_column(BigInteger, index=True, nullable=True)
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user_id: Mapped[int] = mapped_column(ForeignKey("sys_user.id"), index=True, nullable=False)
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role: Mapped[str] = mapped_column(String(20), nullable=False)
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content: Mapped[str] = mapped_column(Text, nullable=False)
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message_status: Mapped[str] = mapped_column(String(20), default="FINISHED", nullable=False)
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token_input: Mapped[int | None] = mapped_column(Integer, nullable=True)
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token_output: Mapped[int | None] = mapped_column(Integer, nullable=True)
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response_time_ms: Mapped[int | None] = mapped_column(Integer, nullable=True)
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model_id: Mapped[int | None] = mapped_column(ForeignKey("sys_model.id"), nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)
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session: Mapped[ChatSession] = relationship("ChatSession", back_populates="messages")
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class TopicSession(Base):
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__tablename__ = "sys_topic_session"
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id: Mapped[int] = mapped_column(BigInteger().with_variant(Integer, "sqlite"), primary_key=True, autoincrement=True)
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user_id: Mapped[int] = mapped_column(ForeignKey("sys_user.id"), index=True, nullable=False)
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chat_session_id: Mapped[int] = mapped_column(ForeignKey("sys_chat_session.id"), index=True, nullable=False)
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title: Mapped[str] = mapped_column(String(120), nullable=False)
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core_question: Mapped[str] = mapped_column(Text, nullable=False)
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status: Mapped[str] = mapped_column(String(20), default="active", index=True, nullable=False)
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message_count: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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token_input: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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token_output: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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quota_deducted: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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recommended_homework: Mapped[str | None] = mapped_column(Text, nullable=True)
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help_card_generated: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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share_draft_generated: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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started_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)
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ended_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)
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updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now(), nullable=False)
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