clacks/lib/clacks/user_actions_helper.ex

61 lines
1.7 KiB
Elixir

defmodule Clacks.UserActionsHelper do
alias Clacks.{User, Repo, Activity, Object, ActivityPub}
@public "https://www.w3.org/ns/activitystreams#Public"
@spec post_status(
author :: User.t(),
content :: String.t(),
in_reply_to :: String.t() | Activity.t() | nil
) :: {:ok, Activity.t()} | {:error, any()}
def post_status(author, content, in_reply_to_ap_id) when is_binary(in_reply_to_ap_id) do
case Activity.get_by_ap_id(in_reply_to_ap_id) do
nil ->
{:error, "Could find post to reply to with AP ID '#{in_reply_to_ap_id}'"}
in_reply_to ->
post_status(author, content, in_reply_to)
end
end
def post_status(author, content, in_reply_to) do
note = note_for_posting(author, content, in_reply_to)
note_changeset = Object.changeset_for_creating(note)
{:ok, _object} = Repo.insert(note_changeset)
%{"id" => ap_id} = create = ActivityPub.create(note)
case ActivityPub.Helper.save_and_federate(create, author.actor) do
{:ok, activity} ->
{:ok, activity}
:error ->
{:error, "Unable to save and federate activity with ID '#{ap_id}'"}
end
end
defp note_for_posting(author, content, %Activity{
data: %{"id" => in_reply_to_ap_id, "context" => context, "actor" => in_reply_to_actor}
}) do
to = [in_reply_to_actor, @public]
# todo: followers
cc = []
ActivityPub.note(
author.actor.ap_id,
content,
context,
in_reply_to_ap_id,
nil,
DateTime.utc_now(),
to,
cc
)
end
defp note_for_posting(author, content, _in_reply_to) do
ActivityPub.note(author.actor.ap_id, content)
end
end