第一次提交

backend/app/models/data_source.py

@@ -0,0 +1,30 @@
+"""
+数据源模型
+"""
+from sqlalchemy import Column, String, Text, DateTime, JSON, ForeignKey, func
+from sqlalchemy.dialects.mysql import CHAR
+from sqlalchemy.orm import relationship
+from app.core.database import Base
+import uuid
+
+
+class DataSource(Base):
+    """数据源表"""
+    __tablename__ = "data_sources"
+
+    id = Column(CHAR(36), primary_key=True, default=lambda: str(uuid.uuid4()), comment="数据源ID")
+    name = Column(String(100), nullable=False, comment="数据源名称")
+    type = Column(String(50), nullable=False, comment="数据源类型: mysql/postgresql/mongodb/redis/csv/json/api/s3")
+    description = Column(Text, comment="描述")
+    config = Column(JSON, nullable=False, comment="连接配置（加密存储敏感信息）")
+    status = Column(String(20), default="active", comment="状态: active/inactive/error")
+    user_id = Column(CHAR(36), ForeignKey("users.id"), nullable=False, comment="创建者ID")
+    last_connected_at = Column(DateTime, comment="最后连接时间")
+    created_at = Column(DateTime, default=func.now(), comment="创建时间")
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now(), comment="更新时间")
+
+    # 关系
+    user = relationship("User", backref="data_sources")
+
+    def __repr__(self):
+        return f"<DataSource(id={self.id}, name={self.name}, type={self.type})>"