akkoma/lib/pleroma/object.ex
2018-12-24 02:25:36 +03:00

90 lines
2.2 KiB
Elixir

defmodule Pleroma.Object do
use Ecto.Schema
alias Pleroma.{Repo, Object, User, Activity}
import Ecto.{Query, Changeset}
schema "objects" do
field(:data, :map)
timestamps()
end
def create(data) do
Object.change(%Object{}, %{data: data})
|> Repo.insert()
end
def change(struct, params \\ %{}) do
struct
|> cast(params, [:data])
|> validate_required([:data])
|> unique_constraint(:ap_id, name: :objects_unique_apid_index)
end
def get_by_ap_id(nil), do: nil
def get_by_ap_id(ap_id) do
Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
def normalize(obj) when is_map(obj), do: Object.get_by_ap_id(obj["id"])
def normalize(ap_id) when is_binary(ap_id), do: Object.get_by_ap_id(ap_id)
def normalize(_), do: nil
# Owned objects can only be mutated by their owner
def authorize_mutation(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}),
do: actor == ap_id
# Legacy objects can be mutated by anybody
def authorize_mutation(%Object{}, %User{}), do: true
if Mix.env() == :test do
def get_cached_by_ap_id(ap_id) do
get_by_ap_id(ap_id)
end
else
def get_cached_by_ap_id(ap_id) do
key = "object:#{ap_id}"
Cachex.fetch!(:object_cache, key, fn _ ->
object = get_by_ap_id(ap_id)
if object do
{:commit, object}
else
{:ignore, object}
end
end)
end
end
def context_mapping(context) do
Object.change(%Object{}, %{data: %{"id" => context}})
end
def get_tombstone(%Object{data: data}, deleted \\ DateTime.utc_now()) do
%{
id: data["id"],
type: "tombstone",
deleted: deleted
}
end
def swap_data_with_tombstone(object) do
tombstone = get_tombstone(object)
object
|> Object.change(%{data: tombstone})
|> Repo.update()
end
def delete(%Object{data: %{"id" => id}} = object) do
with swap_data_with_tombstone(object),
Activity.all_non_create_by_object_ap_id_q(id)
|> Repo.all()
|> Enum.each(&Activity.swap_data_with_tombstone/1),
{:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
{:ok, object}
end
end
end