mobilizon.chapril.org-mobil.../lib/federation/activity_pub/actions/create.ex

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defmodule Mobilizon.Federation.ActivityPub.Actions.Create do
@moduledoc """
Create things
"""
alias Mobilizon.Tombstone
alias Mobilizon.Federation.ActivityPub.{Activity, Types}
require Logger
import Mobilizon.Federation.ActivityPub.Utils,
only: [
create_activity: 2,
maybe_federate: 1,
maybe_relay_if_group_activity: 1
]
@type create_entities ::
:event | :comment | :discussion | :actor | :todo_list | :todo | :resource | :post
@doc """
Create an activity of type `Create`
* Creates the object, which returns AS data
* Wraps ActivityStreams data into a `Create` activity
* Creates an `Mobilizon.Federation.ActivityPub.Activity` from this
* Federates (asynchronously) the activity
* Returns the activity
"""
@spec create(create_entities(), map(), boolean, map()) ::
{:ok, Activity.t(), Entity.t()}
| {:error, :entity_tombstoned | atom() | Ecto.Changeset.t()}
def create(type, args, local \\ false, additional \\ %{}) do
Logger.debug("creating an activity")
Logger.debug(inspect(args))
case check_for_tombstones(args) do
nil ->
case do_create(type, args, additional) do
{:ok, entity, create_data} ->
{:ok, activity} = create_activity(create_data, local)
maybe_federate(activity)
maybe_relay_if_group_activity(activity)
{:ok, activity, entity}
{:error, err} ->
{:error, err}
end
%Tombstone{} ->
{:error, :entity_tombstoned}
end
end
@spec do_create(create_entities(), map(), map()) ::
{:ok, Entity.t(), Activity.t()} | {:error, Ecto.Changeset.t() | atom()}
defp do_create(type, args, additional) do
case type do
:event -> Types.Events.create(args, additional)
:comment -> Types.Comments.create(args, additional)
:discussion -> Types.Discussions.create(args, additional)
:actor -> Types.Actors.create(args, additional)
:todo_list -> Types.TodoLists.create(args, additional)
:todo -> Types.Todos.create(args, additional)
:resource -> Types.Resources.create(args, additional)
:post -> Types.Posts.create(args, additional)
end
end
@spec check_for_tombstones(map()) :: Tombstone.t() | nil
defp check_for_tombstones(%{url: url}), do: Tombstone.find_tombstone(url)
defp check_for_tombstones(_), do: nil
end