debianize-mobilizon/lib/service/workers/event_delayed_notification_worker.ex

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defmodule Mobilizon.Service.Workers.EventDelayedNotificationWorker do
@moduledoc """
Worker to send notifications about an event changes a while after they're performed
"""
use Oban.Worker, unique: [period: :infinity, keys: [:event_uuid, :action]]
alias Mobilizon.Events
alias Mobilizon.Events.Event
alias Mobilizon.Web.Email.Event, as: EventEmail
alias Mobilizon.Web.Email.Group
alias Oban.Job
@impl Oban.Worker
def perform(%Job{args: %{"action" => "notify_of_new_event", "event_uuid" => event_uuid}}) do
case Events.get_event_by_uuid_with_preload(event_uuid) do
%Event{draft: false} = event ->
Group.notify_of_new_event(event)
nil ->
# Event still a draft or event deleted inbetween, no worries, just ignore
:ok
end
end
@impl Oban.Worker
def perform(%Job{
args: %{
"action" => "notify_of_event_update",
"event_uuid" => event_uuid,
"old_event" => old_event,
"changes" => changes
}
}) do
old_event = for {key, val} <- old_event, into: %{}, do: {String.to_existing_atom(key), val}
old_event = struct(Event, old_event)
case Events.get_event_by_uuid_with_preload(event_uuid) do
%Event{draft: false} = new_event ->
EventEmail.calculate_event_diff_and_send_notifications(
old_event,
new_event,
changes
)
_ ->
# Event still a draft or event deleted inbetween, no worries, just ignore
:ok
end
end
end