def cancel():
  """HTTP endpoint for canceling tasks

  If an active task is cancelled, an inactive task with the same code and the
  smallest interval will be activated if it exists.
  """
  task_id = request.form['id']
  task = Task.query.get(task_id)

  if not task:
    return json.dumps({
      'status': 'success',
      'id': None,
    })

  task.delete()

  if task.active:
    current_app.scheduler.cancel(task_id)

    code = task.code
    other_task = Task.query.filter_by(code=code).order_by('interval').first()
    if other_task:
      other_task.active = True
      other_task.save()
      current_app.scheduler.schedule({
        'id': other_task.id,
        'code': other_task.code,
        'interval': other_task.interval
      })

  return json.dumps({
    'status': 'success',
    'id': task_id,
  })
def cancel ( ) : task_id = request . form [ 'id' ] task = Task . query . get ( task_id ) if not task : return json . dumps ( { 'status' : 'success' , 'id' : None , } ) task . delete ( ) if task . active : current_app . scheduler . cancel ( task_id ) code = task . code other_task = Task . query . filter_by ( code = code ) . order_by ( 'interval' ) . first ( ) if other_task : other_task . active = True other_task . save ( ) current_app . scheduler . schedule ( { 'id' : other_task . id , 'code' : other_task . code , 'interval' : other_task . interval } ) return json . dumps ( { 'status' : 'success' , 'id' : task_id , } )
HTTP endpoint for canceling tasks

  If an active task is cancelled, an inactive task with the same code and the
  smallest interval will be activated if it exists.