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   @spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
  14   def like(actor, object) do
  15     object_actor = User.get_cached_by_ap_id(object.data["actor"])
  16
  17     # Address the actor of the object, and our actor's follower collection if the post is public.
  18     to =
  19       if Visibility.is_public?(object) do
  20         [actor.follower_address, object.data["actor"]]
  21       else
  22         [object.data["actor"]]
  23       end
  24
  25     # CC everyone who's been addressed in the object, except ourself and the object actor's
  26     # follower collection
  27     cc =
  28       (object.data["to"] ++ (object.data["cc"] || []))
  29       |> List.delete(actor.ap_id)
  30       |> List.delete(object_actor.follower_address)
  31
  32     {:ok,
  33      %{
  34        "id" => Utils.generate_activity_id(),
  35        "actor" => actor.ap_id,
  36        "type" => "Like",
  37        "object" => object.data["id"],
  38        "to" => to,
  39        "cc" => cc,
  40        "context" => object.data["context"]
  41      }, []}
  42   end
  43 end