支持fastapi服务

api/routers/tasks.py

@@ -0,0 +1,93 @@
+"""
+Task management endpoints
+
+Endpoints for managing async tasks (checking status, canceling, etc.)
+"""
+
+from typing import List, Optional
+from fastapi import APIRouter, HTTPException, Query
+from loguru import logger
+
+from api.tasks import task_manager, Task, TaskStatus
+
+router = APIRouter(prefix="/tasks", tags=["Tasks"])
+
+
+@router.get("", response_model=List[Task])
+async def list_tasks(
+    status: Optional[TaskStatus] = Query(None, description="Filter by status"),
+    limit: int = Query(100, ge=1, le=1000, description="Maximum number of tasks")
+):
+    """
+    List tasks
+    
+    Retrieve list of tasks with optional filtering.
+    
+    - **status**: Optional filter by status (pending/running/completed/failed/cancelled)
+    - **limit**: Maximum number of tasks to return (default 100)
+    
+    Returns list of tasks sorted by creation time (newest first).
+    """
+    try:
+        tasks = task_manager.list_tasks(status=status, limit=limit)
+        return tasks
+        
+    except Exception as e:
+        logger.error(f"List tasks error: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.get("/{task_id}", response_model=Task)
+async def get_task(task_id: str):
+    """
+    Get task details
+    
+    Retrieve detailed information about a specific task.
+    
+    - **task_id**: Task ID
+    
+    Returns task details including status, progress, and result (if completed).
+    """
+    try:
+        task = task_manager.get_task(task_id)
+        
+        if not task:
+            raise HTTPException(status_code=404, detail=f"Task {task_id} not found")
+        
+        return task
+        
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Get task error: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+
+
+@router.delete("/{task_id}")
+async def cancel_task(task_id: str):
+    """
+    Cancel task
+    
+    Cancel a running or pending task.
+    
+    - **task_id**: Task ID
+    
+    Returns success status.
+    """
+    try:
+        success = task_manager.cancel_task(task_id)
+        
+        if not success:
+            raise HTTPException(status_code=404, detail=f"Task {task_id} not found")
+        
+        return {
+            "success": True,
+            "message": f"Task {task_id} cancelled successfully"
+        }
+        
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Cancel task error: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
+