From 13afd5b35a2ac460a27ec05510fa2d2100ab536f Mon Sep 17 00:00:00 2001
From: sanderegg <35365065+sanderegg@users.noreply.github.com>
Date: Tue, 30 Aug 2022 09:23:18 +0200
Subject: [PATCH] migrate to new long running task

---
 .../long_running_tasks.py                     | 35 +-----------------
 .../projects/projects_handlers_crud.py        | 37 +++++--------------
 2 files changed, 11 insertions(+), 61 deletions(-)

diff --git a/services/web/server/src/simcore_service_webserver/long_running_tasks.py b/services/web/server/src/simcore_service_webserver/long_running_tasks.py
index 65955c820fa8..c9871b91420d 100644
--- a/services/web/server/src/simcore_service_webserver/long_running_tasks.py
+++ b/services/web/server/src/simcore_service_webserver/long_running_tasks.py
@@ -1,5 +1,4 @@
 from functools import wraps
-from typing import Any
 
 from aiohttp import web
 from models_library.users import UserID
@@ -8,14 +7,7 @@
 from servicelib.aiohttp.long_running_tasks._server import (
     RQT_LONG_RUNNING_TASKS_CONTEXT_KEY,
 )
-from servicelib.aiohttp.long_running_tasks.server import (
-    TaskGet,
-    TaskProtocol,
-    create_task_name_from_request,
-    get_tasks_manager,
-    setup,
-    start_task,
-)
+from servicelib.aiohttp.long_running_tasks.server import setup
 from servicelib.aiohttp.typing_extension import Handler
 
 from ._constants import RQ_PRODUCT_KEY
@@ -28,31 +20,6 @@ class _RequestContext(BaseModel):
     product_name: str = Field(..., alias=RQ_PRODUCT_KEY)
 
 
-def start_task_with_context(
-    request: web.Request, task: TaskProtocol, **task_kwargs: Any
-) -> TaskGet:
-    req_ctx = _RequestContext.parse_obj(request)
-    task_manager = get_tasks_manager(request.app)
-    task_name = create_task_name_from_request(request)
-    task_id = start_task(
-        task_manager,
-        task,
-        task_context=jsonable_encoder(req_ctx),
-        task_name=task_name,
-        **task_kwargs,
-    )
-    status_url = request.app.router["get_task_status"].url_for(task_id=task_id)
-    result_url = request.app.router["get_task_result"].url_for(task_id=task_id)
-    abort_url = request.app.router["cancel_and_delete_task"].url_for(task_id=task_id)
-    return TaskGet(
-        task_id=task_id,
-        task_name=task_name,
-        status_href=f"{status_url}",
-        result_href=f"{result_url}",
-        abort_href=f"{abort_url}",
-    )
-
-
 def _webserver_request_context_decorator(handler: Handler):
     @wraps(handler)
     async def _test_task_context_decorator(
diff --git a/services/web/server/src/simcore_service_webserver/projects/projects_handlers_crud.py b/services/web/server/src/simcore_service_webserver/projects/projects_handlers_crud.py
index a934662ffefe..e9b8e8606b0b 100644
--- a/services/web/server/src/simcore_service_webserver/projects/projects_handlers_crud.py
+++ b/services/web/server/src/simcore_service_webserver/projects/projects_handlers_crud.py
@@ -21,9 +21,8 @@
 from models_library.utils.fastapi_encoders import jsonable_encoder
 from pydantic import BaseModel, Extra, Field, NonNegativeInt, parse_obj_as
 from servicelib.aiohttp.long_running_tasks.server import (
-    TaskGet,
     TaskProgress,
-    get_tasks_manager,
+    start_long_running_task,
 )
 from servicelib.aiohttp.requests_validation import (
     parse_request_path_parameters_as,
@@ -39,7 +38,6 @@
 from .._meta import api_version_prefix as VTAG
 from ..application_settings import get_settings
 from ..login.decorators import RQT_USERID_KEY, login_required
-from ..long_running_tasks import start_task_with_context
 from ..resource_manager.websocket_manager import PROJECT_ID_KEY, managed_resource
 from ..rest_constants import RESPONSE_MODEL_POLICY
 from ..security_api import check_permission
@@ -132,30 +130,15 @@ async def create_projects(request: web.Request):
     if query_params.as_template:  # create template from
         await check_permission(request, "project.template.create")
 
-    task_get: Optional[TaskGet] = None
-    try:
-        task_get = start_task_with_context(
-            request,
-            _create_projects,
-            app=request.app,
-            query_params=query_params,
-            user_id=req_ctx.user_id,
-            predefined_project=predefined_project,
-        )
-
-        return web.json_response(
-            data={"data": task_get},
-            status=web.HTTPAccepted.status_code,
-            dumps=json_dumps,
-        )
-    except asyncio.CancelledError:
-        # cancel the task, the client has disconnected
-        if task_get:
-            task_manager = get_tasks_manager(request.app)
-            await task_manager.cancel_task(
-                task_get.task_id, with_task_context=jsonable_encoder(req_ctx)
-            )
-        raise
+    return start_long_running_task(
+        request,
+        _create_projects,
+        task_context=jsonable_encoder(req_ctx),
+        app=request.app,
+        query_params=query_params,
+        user_id=req_ctx.user_id,
+        predefined_project=predefined_project,
+    )
 
 
 async def _init_project_from_request(