mobilizon/lib/service/workers/helper.ex

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# Portions of this file are derived from Pleroma:
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social>
# SPDX-License-Identifier: AGPL-3.0-only
# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/workers/worker_helper.ex
defmodule Mobilizon.Service.Workers.Helper do
@moduledoc """
Tools to ease dealing with workers
"""
alias Mobilizon.Config
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alias Mobilizon.Service.Workers.Helper
@spec worker_args(atom()) :: Keyword.t()
def worker_args(queue) do
case Config.get([:workers, :retries, queue]) do
nil -> []
max_attempts -> [max_attempts: max_attempts]
end
end
@spec sidekiq_backoff(integer, integer, integer) :: integer
def sidekiq_backoff(attempt, pow \\ 4, base_backoff \\ 15) do
backoff =
:math.pow(attempt, pow) +
base_backoff +
:rand.uniform(2 * base_backoff) * attempt
trunc(backoff)
end
defmacro __using__(opts) do
caller_module = __CALLER__.module
queue = Keyword.fetch!(opts, :queue)
quote do
# Note: `max_attempts` is intended to be overridden in `new/2` call
use Oban.Worker,
queue: unquote(queue),
max_attempts: 1
alias Oban.Job
@spec enqueue(String.t() | atom(), map(), Keyword.t()) ::
{:ok, Job.t()} | {:error, Ecto.Changeset.t()}
def enqueue(operation, params, worker_args \\ []) do
params = Map.merge(%{"op" => operation}, params)
queue_atom = String.to_existing_atom(unquote(queue))
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worker_args = worker_args ++ Helper.worker_args(queue_atom)
Oban.insert(unquote(caller_module).new(params, worker_args))
end
end
end
end