chore: initialize insar management system v2

2026-04-14 13:16:01 +08:00
commit ecc72ec9cd
361 changed files with 2142522 additions and 0 deletions
@@ -0,0 +1,129 @@
+from __future__ import annotations
+
+import asyncio
+import json
+from typing import List, Optional
+
+from fastapi import APIRouter, Depends, HTTPException, Request
+from fastapi.responses import StreamingResponse
+from pydantic import BaseModel
+
+from ..auth_utils import verify_password
+from ..models import AuthUserORM, TaskInfo
+from ..services.task_service import (
+    TASK_ACTIVE_DEFAULT_LIMIT,
+    TASK_ACTIVE_MAX_LIMIT,
+    TASK_LOG_DEFAULT_LIMIT,
+    TASK_LOG_MAX_LIMIT,
+    TASK_QUERY_MAX_OFFSET,
+    task_service,
+)
+from ..auth_service import SESSION_COOKIE_NAME, get_user_by_session_token
+from ..database import AsyncSessionLocal
+from .dependencies import _require_admin
+
+router = APIRouter()
+
+
+class ForceCancelRequest(BaseModel):
+    password: str
+
+
+@router.get("/tasks/active", response_model=List[TaskInfo])
+async def get_active_tasks(limit: int = TASK_ACTIVE_DEFAULT_LIMIT, offset: int = 0):
+    """获取当前正在运行的所有后台任务"""
+    safe_limit = min(TASK_ACTIVE_MAX_LIMIT, max(1, int(limit or TASK_ACTIVE_DEFAULT_LIMIT)))
+    safe_offset = min(TASK_QUERY_MAX_OFFSET, max(0, int(offset or 0)))
+    orm_tasks = await task_service.get_active_tasks(limit=safe_limit, offset=safe_offset)
+    return [TaskInfo.model_validate(t) for t in orm_tasks]
+
+
+@router.get("/tasks/active/stream")
+async def stream_active_tasks(request: Request):
+    """SSE 端点：每 3s 推送一次活跃任务列表，替代前端轮询。"""
+    # Authenticate via Cookie at connection establishment
+    token = request.cookies.get(SESSION_COOKIE_NAME)
+    if token and AsyncSessionLocal:
+        async with AsyncSessionLocal() as db:
+            user = await get_user_by_session_token(db, token)
+        if not user:
+            raise HTTPException(status_code=401, detail="Authentication required.")
+    elif not token:
+        raise HTTPException(status_code=401, detail="Authentication required.")
+
+    async def event_generator():
+        while True:
+            if await request.is_disconnected():
+                break
+            try:
+                orm_tasks = await task_service.get_active_tasks(
+                    limit=TASK_ACTIVE_MAX_LIMIT, offset=0
+                )
+                tasks_data = [TaskInfo.model_validate(t).model_dump() for t in orm_tasks]
+                yield f"data: {json.dumps(tasks_data)}\n\n"
+            except Exception:
+                yield "data: []\n\n"
+            await asyncio.sleep(3)
+
+    return StreamingResponse(
+        event_generator(),
+        media_type="text/event-stream",
+        headers={
+            "Cache-Control": "no-cache",
+            "X-Accel-Buffering": "no",
+            "Connection": "keep-alive",
+        },
+    )
+
+
+@router.get("/tasks/{task_id}", response_model=Optional[TaskInfo])
+async def get_task_status(task_id: str):
+    """获取特定任务的状态"""
+    task = await task_service.get_task(task_id)
+    if task:
+        return TaskInfo.model_validate(task)
+    return None
+
+
+@router.get("/tasks/{task_id}/logs")
+async def get_task_logs(task_id: str, limit: int = TASK_LOG_DEFAULT_LIMIT, offset: int = 0):
+    """获取指定任务的日志（支持 limit/offset）。"""
+    task = await task_service.get_task(task_id)
+    if not task:
+        raise HTTPException(status_code=404, detail="任务未找到")
+
+    safe_limit = min(TASK_LOG_MAX_LIMIT, max(1, int(limit or TASK_LOG_DEFAULT_LIMIT)))
+    safe_offset = min(TASK_QUERY_MAX_OFFSET, max(0, int(offset or 0)))
+    logs = await task_service.get_logs(task_id, limit=safe_limit, offset=safe_offset)
+    return {
+        "task_id": task_id,
+        "limit": safe_limit,
+        "offset": safe_offset,
+        "count": len(logs),
+        "logs": [
+            {
+                "timestamp": log.timestamp.isoformat() if log.timestamp else None,
+                "level": log.log_level,
+                "message": log.message,
+            }
+            for log in logs
+        ],
+    }
+
+
+@router.post("/tasks/{task_id}/force-cancel")
+async def force_cancel_task(
+    task_id: str,
+    body: ForceCancelRequest,
+    admin_user: AuthUserORM = Depends(_require_admin),
+):
+    """管理员输入密码后强制取消任务（解锁前端）"""
+    if not verify_password(body.password, admin_user.password_hash):
+        raise HTTPException(status_code=403, detail="密码错误")
+    task = await task_service.get_task(task_id)
+    if not task:
+        raise HTTPException(status_code=404, detail="任务未找到")
+    if task.status not in ("PENDING", "RUNNING"):
+        raise HTTPException(status_code=400, detail="任务已结束，无需取消")
+    await task_service.update_task(task_id, status="CANCELLED", message="管理员强制取消")
+    return {"message": "任务已强制取消", "task_id": task_id}