feat:导出面板动态编写一半

backend/db/__init__.py

@@ -5,8 +5,8 @@ AgentCoord 数据库模块
 """
 
 from .database import get_db, get_db_context, test_connection, engine, text
-from .models import MultiAgentTask, UserAgent, TaskStatus
-from .crud import MultiAgentTaskCRUD, UserAgentCRUD
+from .models import MultiAgentTask, UserAgent, ExportRecord, TaskStatus
+from .crud import MultiAgentTaskCRUD, UserAgentCRUD, ExportRecordCRUD
 
 __all__ = [
     # 连接管理
@@ -18,8 +18,10 @@ __all__ = [
     # 模型
     "MultiAgentTask",
     "UserAgent",
+    "ExportRecord",
     "TaskStatus",
     # CRUD
     "MultiAgentTaskCRUD",
     "UserAgentCRUD",
+    "ExportRecordCRUD",
 ]

backend/db/crud.py

@@ -9,7 +9,7 @@ from datetime import datetime, timezone
 from typing import List, Optional
 from sqlalchemy.orm import Session
 
-from .models import MultiAgentTask, UserAgent
+from .models import MultiAgentTask, UserAgent, ExportRecord
 
 
 class MultiAgentTaskCRUD:
@@ -414,3 +414,85 @@ class UserAgentCRUD:
             db.commit()
             db.refresh(agent)
             return agent
+
+
+class ExportRecordCRUD:
+    """导出记录 CRUD 操作"""
+
+    @staticmethod
+    def create(
+        db: Session,
+        task_id: str,
+        user_id: str,
+        export_type: str,
+        file_name: str,
+        file_path: str,
+        file_url: str = "",
+        file_size: int = 0,
+    ) -> ExportRecord:
+        """创建导出记录"""
+        record = ExportRecord(
+            task_id=task_id,
+            user_id=user_id,
+            export_type=export_type,
+            file_name=file_name,
+            file_path=file_path,
+            file_url=file_url,
+            file_size=file_size,
+        )
+        db.add(record)
+        db.commit()
+        db.refresh(record)
+        return record
+
+    @staticmethod
+    def get_by_id(db: Session, record_id: int) -> Optional[ExportRecord]:
+        """根据 ID 获取记录"""
+        return db.query(ExportRecord).filter(ExportRecord.id == record_id).first()
+
+    @staticmethod
+    def get_by_task_id(
+        db: Session, task_id: str, limit: int = 50
+    ) -> List[ExportRecord]:
+        """根据任务 ID 获取导出记录列表"""
+        return (
+            db.query(ExportRecord)
+            .filter(ExportRecord.task_id == task_id)
+            .order_by(ExportRecord.created_at.desc())
+            .limit(limit)
+            .all()
+        )
+
+    @staticmethod
+    def get_by_user_id(
+        db: Session, user_id: str, limit: int = 50
+    ) -> List[ExportRecord]:
+        """根据用户 ID 获取导出记录列表"""
+        return (
+            db.query(ExportRecord)
+            .filter(ExportRecord.user_id == user_id)
+            .order_by(ExportRecord.created_at.desc())
+            .limit(limit)
+            .all()
+        )
+
+    @staticmethod
+    def delete(db: Session, record_id: int) -> bool:
+        """删除导出记录"""
+        record = db.query(ExportRecord).filter(ExportRecord.id == record_id).first()
+        if record:
+            db.delete(record)
+            db.commit()
+            return True
+        return False
+
+    @staticmethod
+    def delete_by_task_id(db: Session, task_id: str) -> bool:
+        """删除任务的所有导出记录"""
+        records = db.query(ExportRecord).filter(ExportRecord.task_id == task_id).all()
+        if records:
+            for record in records:
+                db.delete(record)
+            db.commit()
+            return True
+        return False

backend/db/models.py

@@ -81,6 +81,39 @@ class MultiAgentTask(Base):
         }
 
 
+class ExportRecord(Base):
+    """导出记录模型"""
+    __tablename__ = "export_records"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    task_id = Column(String(64), nullable=False, index=True)          # 关联任务ID
+    user_id = Column(String(64), nullable=False, index=True)          # 用户ID
+    export_type = Column(String(32), nullable=False)                  # 导出类型: doc/markdown/mindmap/infographic/excel/ppt
+    file_name = Column(String(256), nullable=False)                   # 文件名
+    file_path = Column(String(512), nullable=False)                    # 服务器存储路径
+    file_url = Column(String(512))                                     # 访问URL
+    file_size = Column(Integer, default=0)                            # 文件大小(字节)
+    created_at = Column(DateTime(timezone=True), default=utc_now)
+
+    __table_args__ = (
+        Index("idx_export_records_task_user", "task_id", "user_id"),
+    )
+
+    def to_dict(self) -> dict:
+        """转换为字典"""
+        return {
+            "id": self.id,
+            "task_id": self.task_id,
+            "user_id": self.user_id,
+            "export_type": self.export_type,
+            "file_name": self.file_name,
+            "file_path": self.file_path,
+            "file_url": self.file_url,
+            "file_size": self.file_size,
+            "created_at": self.created_at.isoformat() if self.created_at else None,
+        }
+
+
 class UserAgent(Base):
     """用户保存的智能体配置模型 (可选表)"""
     __tablename__ = "user_agents"