WIP-CHECKPOINT[auth-refactor]: 固化工程师崩溃前部分成果 + 同树其他未提交WIP(仅源码,不含密钥/二进制)-- 待重激活工程师续作
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# =============================================================================
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# 企微IT智能服务台 — 知识库模型
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# =============================================================================
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# 说明:对应数据库 knowledge_base 表,存储IT知识库FAQ
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# 分类:按问题类型(硬件/软件/网络/安全/账号/其他)
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# 支持标签、命中统计
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# =============================================================================
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import uuid
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from datetime import datetime
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from typing import List
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from sqlalchemy import DateTime, Index, Integer, JSON, String, Text
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from sqlalchemy.orm import Mapped, mapped_column
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from app.database import Base
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class KnowledgeBase(Base):
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"""知识库FAQ模型 — 对应 knowledge_base 表。
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存储IT知识库的问答对,支持分类、标签、命中统计。
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Attributes:
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id: 知识ID(UUID)
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category: 分类(硬件/软件/网络/安全/账号/其他)
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title: 问题标题
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content: 答案内容(支持富文本)
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tags: 标签列表(JSON数组)
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view_count: 查看次数
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use_count: 使用次数(坐席引用次数)
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created_at: 创建时间
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updated_at: 更新时间
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"""
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# 表名
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__tablename__ = "knowledge_base"
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# --------------------------------------------------------------------------
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# 字段定义
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# --------------------------------------------------------------------------
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# 主键
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id: Mapped[str] = mapped_column(
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String(36),
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primary_key=True,
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default=lambda: str(uuid.uuid4()),
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)
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# 分类
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category: Mapped[str] = mapped_column(
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String(64),
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nullable=False,
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default="其他",
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comment="分类:硬件/软件/网络/安全/账号/其他",
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)
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# 问题标题
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title: Mapped[str] = mapped_column(
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String(256),
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nullable=False,
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comment="问题标题",
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)
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# 答案内容
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content: Mapped[str] = mapped_column(
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Text,
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nullable=False,
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comment="答案内容",
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)
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# 标签列表
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tags: Mapped[List[str]] = mapped_column(
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JSON,
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nullable=False,
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default=list,
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comment="标签列表",
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)
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# 查看次数
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view_count: Mapped[int] = mapped_column(
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Integer,
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nullable=False,
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default=0,
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comment="查看次数",
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)
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# 使用次数(坐席引用次数)
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use_count: Mapped[int] = mapped_column(
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Integer,
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nullable=False,
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default=0,
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comment="使用次数",
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)
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# 创建时间
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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nullable=False,
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default=datetime.now,
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comment="创建时间",
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)
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# 更新时间
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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nullable=False,
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default=datetime.now,
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onupdate=datetime.now,
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comment="更新时间",
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)
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# --------------------------------------------------------------------------
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# 索引定义
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# --------------------------------------------------------------------------
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__table_args__ = (
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Index("idx_kb_category", "category"),
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# Index("idx_kb_tags", "tags"), # JSON 字段不能用 btree,需要 GIN 索引或注释
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)
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def __repr__(self) -> str:
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"""知识库对象的字符串表示。"""
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return f"<KnowledgeBase(id={self.id}, category={self.category}, title={self.title})>"
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