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wecom_it_smart_desk/backend/app/models/knowledge_suggestion.py
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# =============================================================================
# 企微IT智能服务台 — 知识库优化建议模型
# =============================================================================
# 说明:对应数据库 knowledge_suggestions 表
# 存储AI分析生成的优化建议,用于知识库迭代
# 分析维度:错误标注高频问题、未命中知识库的会话、AI不确定回复
# =============================================================================
import uuid
from datetime import datetime
from typing import List, Optional
from sqlalchemy import DateTime, Index, Integer, JSON, String, Text
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base
class KnowledgeSuggestion(Base):
"""知识库优化建议模型 — 对应 knowledge_suggestions 表。
存储AI自动分析生成的优化建议,用于知识库持续迭代。
Attributes:
id: 建议IDUUID
suggestion_type: 建议类型(new_faq=新增FAQ/update=更新/outdated=标记过时)
status: 状态(pending=待审核/approved=已通过/rejected=已拒绝/applied=已应用)
title: 建议标题(新增/更新的FAQ标题)
content: 建议内容(答案内容)
category: 分类
tags: 标签列表(JSON数组)
source_type: 分析来源(annotation=标注数据/conversation=会话数据/ai_uncertain=AI不确定)
source_data: 来源数据(JSON,存储相关会话ID或标注ID列表)
reason: 生成理由(AI分析的理由)
reject_reason: 拒绝理由(审核拒绝时填写)
reviewer_id: 审核人ID
reviewed_at: 审核时间
created_at: 创建时间
updated_at: 更新时间
"""
# 表名
__tablename__ = "knowledge_suggestions"
# --------------------------------------------------------------------------
# 字段定义
# --------------------------------------------------------------------------
# 主键
id: Mapped[str] = mapped_column(
String(36),
primary_key=True,
default=lambda: str(uuid.uuid4()),
)
# 建议类型
suggestion_type: Mapped[str] = mapped_column(
String(20),
nullable=False,
default="new_faq",
comment="new_faq=新增FAQ/update=更新/outdated=标记过时",
)
# 状态
status: Mapped[str] = mapped_column(
String(20),
nullable=False,
default="pending",
index=True,
comment="pending=待审核/approved=已通过/rejected=已拒绝/applied=已应用",
)
# 建议标题
title: Mapped[str] = mapped_column(
String(256),
nullable=False,
comment="新增/更新的FAQ标题",
)
# 建议内容
content: Mapped[str] = mapped_column(
Text,
nullable=False,
comment="答案内容",
)
# 分类
category: Mapped[str] = mapped_column(
String(64),
nullable=False,
default="其他",
comment="分类:硬件/软件/网络/安全/账号/其他",
)
# 标签列表
tags: Mapped[List[str]] = mapped_column(
JSON,
nullable=False,
default=list,
comment="标签列表",
)
# 分析来源
source_type: Mapped[str] = mapped_column(
String(30),
nullable=False,
comment="annotation=标注数据/conversation=会话数据/ai_uncertain=AI不确定",
)
# 来源数据(JSON
source_data: Mapped[Optional[List[str]]] = mapped_column(
JSON,
nullable=True,
comment="相关会话ID或标注ID列表",
)
# 生成理由
reason: Mapped[Optional[str]] = mapped_column(
Text,
nullable=True,
comment="AI分析的理由",
)
# 拒绝理由
reject_reason: Mapped[Optional[str]] = mapped_column(
Text,
nullable=True,
comment="审核拒绝时填写",
)
# 审核人ID
reviewer_id: Mapped[Optional[str]] = mapped_column(
String(36),
nullable=True,
comment="审核人ID",
)
# 审核时间
reviewed_at: Mapped[Optional[datetime]] = mapped_column(
DateTime(timezone=True),
nullable=True,
comment="审核时间",
)
# 创建时间
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
nullable=False,
default=datetime.now,
comment="创建时间",
)
# 更新时间
updated_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
nullable=False,
default=datetime.now,
onupdate=datetime.now,
comment="更新时间",
)
# --------------------------------------------------------------------------
# 索引定义
# --------------------------------------------------------------------------
__table_args__ = (
Index("idx_suggestion_status", "status"),
Index("idx_suggestion_type", "suggestion_type"),
Index("idx_suggestion_created", "created_at"),
)
def __repr__(self) -> str:
"""建议对象的字符串表示。"""
return f"<KnowledgeSuggestion(id={self.id}, type={self.suggestion_type}, status={self.status})>"