mobilizon.chapril.org-mobil.../lib/service/workers/activity_builder.ex

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defmodule Mobilizon.Service.Workers.ActivityBuilder do
@moduledoc """
Worker to insert activity items in users feeds
"""
alias Mobilizon.{Activities, Actors, Users}
alias Mobilizon.Activities.Activity
alias Mobilizon.Actors.Actor
alias Mobilizon.Service.Notifier
alias Mobilizon.Users.User
use Mobilizon.Service.Workers.Helper, queue: "activity"
@impl Oban.Worker
@spec perform(Job.t()) :: {:ok, Activity.t()} | {:error, Ecto.Changeset.t()}
def perform(%Job{args: args}) do
{"build_activity", args} = Map.pop(args, "op")
case build_activity(args) do
{:ok, %Activity{} = activity} ->
activity
|> Activities.preload_activity()
|> notify_activity()
{:error, %Ecto.Changeset{} = err} ->
{:error, err}
end
end
@spec build_activity(map()) :: {:ok, Activity.t()} | {:error, Ecto.Changeset.t()}
def build_activity(args) do
Activities.create_activity(args)
end
@spec notify_activity(Activity.t()) :: :ok
def notify_activity(%Activity{} = activity) do
activity
|> users_to_notify()
|> Enum.each(&Notifier.notify(&1, activity, single_activity: true))
end
@spec users_to_notify(Activity.t()) :: list(User.t())
defp users_to_notify(%Activity{group: %Actor{type: :Group} = group, author_id: author_id}) do
group
|> Actors.list_internal_actors_members_for_group([
:creator,
:administrator,
:moderator,
:member
])
|> Enum.filter(&(&1.id != author_id))
|> Enum.map(& &1.user_id)
|> Enum.filter(& &1)
|> Enum.uniq()
|> Enum.map(&Users.get_user_with_settings!/1)
end
defp users_to_notify(_), do: []
end