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5885691c68
### What problem does this PR solve? Always return success if no such task id to follow existing code logic. ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue)
102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
#
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# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import logging
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from datetime import datetime
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from api.apps import login_required
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from api.db.services.task_service import TaskService, CANVAS_DEBUG_DOC_ID, GRAPH_RAPTOR_FAKE_DOC_ID
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from api.utils.api_utils import (
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get_json_result,
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get_request_json,
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validate_request,
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)
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from common.constants import RetCode, TaskStatus
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from rag.utils.redis_conn import REDIS_CONN
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@manager.route("/tasks/<task_id>/cancel", methods=["POST"]) # noqa: F821
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@login_required
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async def cancel_task(task_id):
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"""Cancel a running task.
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"""
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return await _cancel_task(task_id)
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@manager.route("/tasks/<task_id>", methods=["PATCH"]) # noqa: F821
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@login_required
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@validate_request("action")
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async def patch_task(task_id):
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req = await get_request_json()
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action = req.get("action")
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if action != "stop":
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return get_json_result(
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code=RetCode.ARGUMENT_ERROR,
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message=f"Invalid action '{action}'. Only 'stop' is supported.",
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)
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return await _cancel_task(task_id)
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async def _cancel_task(task_id):
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"""
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Sets a Redis cancel flag, updates the task progress to -1 (cancelled),
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and marks the associated document's run status as CANCEL if applicable.
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"""
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try:
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REDIS_CONN.set(f"{task_id}-cancel", "x")
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except Exception as e:
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logging.exception("Failed to set cancel flag for task %s: %s", task_id, str(e))
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return get_json_result(
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code=RetCode.CONNECTION_ERROR,
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message="Failed to stop task",
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)
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exists, task = TaskService.get_by_id(task_id)
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if not exists:
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return get_json_result(data=True)
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# Append a cancellation message so the user can see it in progress_msg.
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try:
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cancel_msg = f"\n{datetime.now().strftime('%H:%M:%S')} Task stopped by user."
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# Only transition to -1 if the task is still in a non-terminal state,
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# mirroring TaskService.update_progress semantics.
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TaskService.model.update(
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progress_msg=TaskService.model.progress_msg + cancel_msg,
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progress=-1,
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).where(
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(TaskService.model.id == task_id)
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& (TaskService.model.progress >= 0)
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& (TaskService.model.progress < 1)
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).execute()
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except Exception as e:
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logging.warning("Failed to update task %s progress after cancellation: %s", task_id, str(e))
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# If the task belongs to a document, also mark the document's run status as
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# cancelled so that the UI reflects the state correctly.
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try:
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from api.db.services.document_service import DocumentService
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doc_id = task.doc_id
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if doc_id and doc_id not in (CANVAS_DEBUG_DOC_ID, GRAPH_RAPTOR_FAKE_DOC_ID):
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_, doc = DocumentService.get_by_id(doc_id)
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if doc and str(doc.run) in (TaskStatus.RUNNING.value, TaskStatus.SCHEDULE.value):
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DocumentService.update_by_id(doc_id, {"run": TaskStatus.CANCEL.value, "progress": 0})
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except Exception as e:
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logging.warning("Failed to update document run status for task %s: %s", task_id, str(e))
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logging.info(f"Cancel task succeeded: task_id={task_id} doc_id={task.doc_id}")
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return get_json_result(data=True)
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