debianize-mobilizon/lib/service/clean_unconfirmed_users.ex

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defmodule Mobilizon.Service.CleanUnconfirmedUsers do
@moduledoc """
Service to clean unconfirmed users
"""
alias Mobilizon.{Actors, Users}
alias Mobilizon.Federation.ActivityPub.Relay
alias Mobilizon.Storage.Repo
alias Mobilizon.Users.User
import Ecto.Query
@grace_period Mobilizon.Config.get([:instance, :unconfirmed_user_grace_period_hours], 48)
@doc """
Clean unattached media
Remove media that is not attached to an entity, such as media uploads that were never used in entities.
"""
@spec clean(Keyword.t()) :: {:ok, list(Media.t())} | {:error, String.t()}
def clean(opts \\ []) do
users_to_delete = find_unconfirmed_users_to_clean(opts)
if Keyword.get(opts, :dry_run, false) do
{:ok, users_to_delete}
else
users_to_delete = Enum.map(users_to_delete, &delete_user/1)
{:ok, users_to_delete}
end
end
@spec delete_user(User.t()) :: {:ok, User.t()}
defp delete_user(%User{} = user) do
with actors <- Users.get_actors_for_user(user),
:ok <-
Enum.each(actors, fn actor ->
actor_performing = Relay.get_actor()
Actors.perform(:delete_actor, actor,
author_id: actor_performing.id,
reserve_username: false
)
end),
{:ok, %User{} = user} <- Users.delete_user(user, reserve_email: false),
%User{} = user <- %User{user | actors: actors} do
user
end
end
@spec find_unconfirmed_users_to_clean(Keyword.t()) :: list(User.t())
defp find_unconfirmed_users_to_clean(opts) do
grace_period = Keyword.get(opts, :grace_period, @grace_period)
expiration_date = DateTime.add(DateTime.utc_now(), grace_period * -3600)
User
|> where([u], is_nil(u.confirmed_at) and u.confirmation_sent_at < ^expiration_date)
|> Repo.all()
end
end