defmodule MobilizonWeb.API.Participations do @moduledoc """ Common API to join events and groups. """ alias Mobilizon.Actors.Actor alias Mobilizon.Events alias Mobilizon.Events.{Event, Participant} alias Mobilizon.Service.ActivityPub alias MobilizonWeb.Email.Participation @spec join(Event.t(), Actor.t()) :: {:ok, Participant.t()} def join(%Event{id: event_id} = event, %Actor{id: actor_id} = actor) do with {:error, :participant_not_found} <- Mobilizon.Events.get_participant(event_id, actor_id), {:ok, activity, participant} <- ActivityPub.join(event, actor, true) do {:ok, activity, participant} end end def leave(%Event{} = event, %Actor{} = actor) do with {:ok, activity, participant} <- ActivityPub.leave(event, actor, true) do {:ok, activity, participant} end end @doc """ Update participation status """ def update(%Participant{} = participation, %Actor{} = moderator, :participant), do: accept(participation, moderator) def update(%Participant{} = participation, %Actor{} = moderator, :rejected), do: reject(participation, moderator) defp accept( %Participant{} = participation, %Actor{} = moderator ) do with {:ok, activity, _} <- ActivityPub.accept( %{ to: [participation.actor.url], actor: moderator.url, object: participation.url }, "#{MobilizonWeb.Endpoint.url()}/accept/join/#{participation.id}" ), {:ok, %Participant{role: :participant} = participation} <- Events.update_participant(participation, %{"role" => :participant}), :ok <- Participation.send_emails_to_local_user(participation) do {:ok, activity, participation} end end defp reject( %Participant{} = participation, %Actor{} = moderator ) do with {:ok, activity, _} <- ActivityPub.reject( %{ to: [participation.actor.url], actor: moderator.url, object: participation.url }, "#{MobilizonWeb.Endpoint.url()}/reject/join/#{participation.id}" ), {:ok, %Participant{role: :rejected} = participation} <- Events.update_participant(participation, %{"role" => :rejected}), :ok <- Participation.send_emails_to_local_user(participation) do {:ok, activity, participation} end end end