akkoma/lib/pleroma/web/activity_pub/builder.ex
2020-04-28 17:29:54 +02:00

69 lines
2 KiB
Elixir

defmodule Pleroma.Web.ActivityPub.Builder do
@moduledoc """
This module builds the objects. Meant to be used for creating local objects.
This module encodes our addressing policies and general shape of our objects.
"""
alias Pleroma.Emoji
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.ActivityPub.Visibility
def create(actor, object, recipients) do
{:ok,
%{
"id" => Utils.generate_activity_id(),
"actor" => actor.ap_id,
"to" => recipients,
"object" => object,
"type" => "Create",
"published" => DateTime.utc_now() |> DateTime.to_iso8601()
}, []}
end
def chat_message(actor, recipient, content) do
{:ok,
%{
"id" => Utils.generate_object_id(),
"actor" => actor.ap_id,
"type" => "ChatMessage",
"to" => [recipient],
"content" => content,
"published" => DateTime.utc_now() |> DateTime.to_iso8601(),
"emoji" => Emoji.Formatter.get_emoji_map(content)
}, []}
end
@spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
def like(actor, object) do
object_actor = User.get_cached_by_ap_id(object.data["actor"])
# Address the actor of the object, and our actor's follower collection if the post is public.
to =
if Visibility.is_public?(object) do
[actor.follower_address, object.data["actor"]]
else
[object.data["actor"]]
end
# CC everyone who's been addressed in the object, except ourself and the object actor's
# follower collection
cc =
(object.data["to"] ++ (object.data["cc"] || []))
|> List.delete(actor.ap_id)
|> List.delete(object_actor.follower_address)
{:ok,
%{
"id" => Utils.generate_activity_id(),
"actor" => actor.ap_id,
"type" => "Like",
"object" => object.data["id"],
"to" => to,
"cc" => cc,
"context" => object.data["context"]
}, []}
end
end