113 lines
3.5 KiB
Elixir
113 lines
3.5 KiB
Elixir
defmodule Mobilizon.Federation.ActivityPub.Actions.Leave do
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@moduledoc """
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Leave things
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"""
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alias Mobilizon.{Actors, Events}
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alias Mobilizon.Actors.{Actor, Member}
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alias Mobilizon.Events.{Event, Participant}
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alias Mobilizon.Federation.ActivityPub.Audience
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alias Mobilizon.Web.Endpoint
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require Logger
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import Mobilizon.Federation.ActivityPub.Utils,
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only: [
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create_activity: 2,
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maybe_federate: 1,
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maybe_relay_if_group_activity: 1
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]
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@spec leave(Event.t(), Actor.t(), boolean, map) ::
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{:ok, Activity.t(), Participant.t()}
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| {:error, :is_only_organizer | :participant_not_found | Ecto.Changeset.t()}
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@spec leave(Actor.t(), Actor.t(), boolean, map) ::
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{:ok, Activity.t(), Member.t()}
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| {:error, :is_not_only_admin | :member_not_found | Ecto.Changeset.t()}
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def leave(object, actor, local \\ true, additional \\ %{})
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@doc """
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Leave an event or a group
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"""
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def leave(
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%Event{id: event_id, url: event_url} = _event,
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%Actor{id: actor_id, url: actor_url} = _actor,
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local,
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additional
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) do
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if Participant.is_not_only_organizer(event_id, actor_id) do
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{:error, :is_only_organizer}
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else
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case Mobilizon.Events.get_participant(
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event_id,
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actor_id,
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Map.get(additional, :metadata, %{})
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) do
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{:ok, %Participant{} = participant} ->
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case Events.delete_participant(participant) do
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{:ok, %{participant: %Participant{} = participant}} ->
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leave_data = %{
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"type" => "Leave",
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# If it's an exclusion it should be something else
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"actor" => actor_url,
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"object" => event_url,
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"id" => "#{Endpoint.url()}/leave/event/#{participant.id}"
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}
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audience = Audience.get_audience(participant)
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{:ok, activity} = create_activity(Map.merge(leave_data, audience), local)
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maybe_federate(activity)
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{:ok, activity, participant}
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{:error, _type, %Ecto.Changeset{} = err, _} ->
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{:error, err}
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end
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{:error, :participant_not_found} ->
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{:error, :participant_not_found}
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end
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end
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end
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def leave(
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%Actor{
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type: :Group,
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domain: group_domain,
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id: group_id,
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url: group_url,
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members_url: group_members_url
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},
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%Actor{id: actor_id, url: actor_url, domain: actor_domain},
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local,
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additional
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) do
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case Actors.get_member(actor_id, group_id) do
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{:ok, %Member{id: member_id} = member} ->
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if Map.get(additional, :force_member_removal, false) || group_domain != actor_domain ||
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!Actors.is_only_administrator?(member_id, group_id) do
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with {:ok, %Member{} = member} <- Actors.delete_member(member) do
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Mobilizon.Service.Activity.Member.insert_activity(member, subject: "member_quit")
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leave_data = %{
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"to" => [group_members_url],
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"cc" => [group_url],
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"attributedTo" => group_url,
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"type" => "Leave",
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"actor" => actor_url,
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"object" => group_url
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}
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{:ok, activity} = create_activity(leave_data, local)
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maybe_federate(activity)
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maybe_relay_if_group_activity(activity)
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{:ok, activity, member}
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end
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else
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{:error, :is_not_only_admin}
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end
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{:error, :member_not_found} ->
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nil
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end
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end
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end
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