git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/builder.ex

   1 defmodule Pleroma.Web.ActivityPub.Builder do
   2   @moduledoc """
   3   This module builds the objects. Meant to be used for creating local objects.
   4
   5   This module encodes our addressing policies and general shape of our objects.
   6   """
   7
   8   alias Pleroma.Object
   9   alias Pleroma.User
  10   alias Pleroma.Web.ActivityPub.Utils
  11   alias Pleroma.Web.ActivityPub.Visibility
  12
  13   def create(actor, object_id, recipients) do
  14     {:ok,
  15      %{
  16        "id" => Utils.generate_activity_id(),
  17        "actor" => actor.ap_id,
  18        "to" => recipients,
  19        "object" => object_id,
  20        "type" => "Create"
  21      }, []}
  22   end
  23
  24   def chat_message(actor, recipient, content) do
  25     {:ok,
  26      %{
  27        "id" => Utils.generate_object_id(),
  28        "actor" => actor.ap_id,
  29        "type" => "ChatMessage",
  30        "to" => [recipient],
  31        "content" => content
  32      }, []}
  33   end
  34
  35   @spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
  36   def like(actor, object) do
  37     object_actor = User.get_cached_by_ap_id(object.data["actor"])
  38
  39     # Address the actor of the object, and our actor's follower collection if the post is public.
  40     to =
  41       if Visibility.is_public?(object) do
  42         [actor.follower_address, object.data["actor"]]
  43       else
  44         [object.data["actor"]]
  45       end
  46
  47     # CC everyone who's been addressed in the object, except ourself and the object actor's
  48     # follower collection
  49     cc =
  50       (object.data["to"] ++ (object.data["cc"] || []))
  51       |> List.delete(actor.ap_id)
  52       |> List.delete(object_actor.follower_address)
  53
  54     {:ok,
  55      %{
  56        "id" => Utils.generate_activity_id(),
  57        "actor" => actor.ap_id,
  58        "type" => "Like",
  59        "object" => object.data["id"],
  60        "to" => to,
  61        "cc" => cc,
  62        "context" => object.data["context"]
  63      }, []}
  64   end
  65 end