Build lightweight AI agent admin

2026-06-08 18:14:59 +08:00
commit e164840f43
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+"""
+知识库文档模型
+"""
+from sqlalchemy import Column, String, Text, Integer, Boolean, DateTime, BigInteger
+
+from app.base_model import BaseModel
+
+
+class KnowledgeDocument(BaseModel):
+    """
+    知识库文档
+    
+    记录上传到知识库的文档信息及处理状态
+    """
+    __tablename__ = "ai_knowledge_document"
+
+    knowledge_base_id = Column(String(21), nullable=False, index=True, comment="所属知识库ID（逻辑外键关联ai_knowledge_base）")
+    file_id = Column(String(21), nullable=True, comment="关联文件ID（逻辑外键关联core_file_manager）")
+    name = Column(String(255), nullable=False, comment="文档名称")
+    file_type = Column(String(20), nullable=True, comment="文件类型: pdf/docx/txt/md/xlsx/csv/html/pptx")
+    file_size = Column(BigInteger, default=0, comment="文件大小（字节）")
+    content_hash = Column(String(64), nullable=True, index=True, comment="内容MD5（用于去重）")
+
+    # 处理结果
+    segment_count = Column(Integer, default=0, comment="分段数量")
+    token_count = Column(Integer, default=0, comment="Token 总数")
+    char_count = Column(Integer, default=0, comment="字符总数")
+
+    # 处理状态
+    status = Column(String(20), default="pending", index=True, comment="状态: pending/indexing/completed/failed/disabled")
+    error_message = Column(Text, nullable=True, comment="错误信息")
+    indexing_started_at = Column(DateTime, nullable=True, comment="索引开始时间")
+    indexing_completed_at = Column(DateTime, nullable=True, comment="索引完成时间")
+
+    # 去重
+    duplicate_warning = Column(Text, nullable=True, comment="内容重复警告（跨知识库检测）")
+
+    # 是否启用
+    enabled = Column(Boolean, default=True, comment="是否启用（禁用后不参与检索）")