baseless/lib/pleroma/workers/event_reminder_worker.ex
2025-01-24 09:36:38 -08:00

75 lines
2.2 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Workers.EventReminderWorker do
@moduledoc """
Generates notifications for upcoming events.
"""
use Pleroma.Workers.WorkerHelper, queue: "event_reminders"
import Ecto.Query
alias Pleroma.Activity
alias Pleroma.Notification
alias Pleroma.Object
@impl Oban.Worker
def perform(%Job{args: %{"op" => "event_reminder", "activity_id" => activity_id}}) do
with %Activity{} = activity <- find_event_activity(activity_id) do
Notification.create_event_notifications(activity)
end
end
defp find_event_activity(activity_id) do
with nil <- Activity.get_by_id(activity_id) do
{:error, :event_activity_not_found}
end
end
def schedule_event_reminder(%Activity{data: %{"type" => "Create"}, id: activity_id} = activity) do
with %Object{data: %{"type" => "Event", "startTime" => start_time}} <-
Object.normalize(activity),
{:ok, start_time, _} <- DateTime.from_iso8601(start_time),
:gt <-
DateTime.compare(
start_time |> DateTime.add(60 * 60 * -2, :second),
DateTime.utc_now()
) do
%{
op: "event_reminder",
activity_id: activity_id
}
|> new(scheduled_at: start_time |> DateTime.add(60 * 60 * -2, :second))
|> Oban.insert()
else
_ -> {:error, activity}
end
end
def schedule_event_reminder(
%Activity{data: %{"type" => "Update", "object" => %{"id" => ap_id}}} = activity
) do
with %Activity{id: activity_id} = create_activity <-
Activity.get_create_by_object_ap_id(ap_id),
{:ok, _} <- remove_event_reminders(activity_id) do
schedule_event_reminder(create_activity)
else
_ -> {:error, activity}
end
end
def schedule_event_reminder(activity) do
{:error, activity}
end
defp remove_event_reminders(activity_id) do
from(j in Oban.Job,
where: j.state == "scheduled",
where: j.queue == "event_reminders",
where: fragment("?->>'activity_id' = ?", j.args, ^activity_id)
)
|> Oban.cancel_all_jobs()
end
end