postland/lib/postland_web/controllers/actor_json.ex

defmodule PostlandWeb.ActorJSON do
  use Phoenix.VerifiedRoutes, endpoint: PostlandWeb.Endpoint, router: PostlandWeb.Router

  alias Postland.Accounts

  def render("actor.json", _assigns) do
    user = Accounts.solo_user()

    %{
      "@context" => [
        "https://www.w3.org/ns/activitystreams",
        "https://w3id.org/security/v1"
      ],
      "id" => url(~p"/actor"),
      "type" => "Person",
      "preferredUsername" => user.username,
      "name" => user.name,
      "summary" => user.summary,
      "inbox" => url(~p"/inbox"),
      "outbox" => url(~p"/outbox"),
      "publicKey" => %{
        "id" => url(~p"/actor#main-key"),
        "owner" => url(~p"/actor"),
        "publicKeyPem" => user.public_key
      },
      "icon" => %{
        "type" => "Image",
        "mediaType" => "image/png",
        "url" =>
          if(user.icon,
            do: unverified_url(PostlandWeb.Endpoint, user.icon),
            else: url(~p"/images/avatar.png")
          )
      }
    }
  end
end