1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Object do
11 alias Pleroma.Activity
12 alias Pleroma.ObjectTombstone
24 Object.change(%Object{}, %{data: data})
28 def change(struct, params \\ %{}) do
30 |> cast(params, [:data])
31 |> validate_required([:data])
32 |> unique_constraint(:ap_id, name: :objects_unique_apid_index)
35 def get_by_ap_id(nil), do: nil
37 def get_by_ap_id(ap_id) do
38 Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
41 def normalize(%{"id" => ap_id}), do: normalize(ap_id)
42 def normalize(ap_id) when is_binary(ap_id), do: get_cached_by_ap_id(ap_id)
43 def normalize(_), do: nil
45 # Owned objects can only be mutated by their owner
46 def authorize_mutation(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}),
49 # Legacy objects can be mutated by anybody
50 def authorize_mutation(%Object{}, %User{}), do: true
52 def get_cached_by_ap_id(ap_id) do
53 key = "object:#{ap_id}"
55 Cachex.fetch!(:object_cache, key, fn _ ->
56 object = get_by_ap_id(ap_id)
66 def context_mapping(context) do
67 Object.change(%Object{}, %{data: %{"id" => context}})
70 def make_tombstone(%Object{data: %{"id" => id, "type" => type}}, deleted \\ DateTime.utc_now()) do
79 def swap_object_with_tombstone(object) do
80 tombstone = make_tombstone(object)
83 |> Object.change(%{data: tombstone})
87 def delete(%Object{data: %{"id" => id}} = object) do
88 with {:ok, _obj} = swap_object_with_tombstone(object),
89 Repo.delete_all(Activity.by_object_ap_id(id)),
90 {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
95 def set_cache(%Object{data: %{"id" => ap_id}} = object) do
96 Cachex.put(:object_cache, "object:#{ap_id}", object)
100 def update_and_set_cache(changeset) do
101 with {:ok, object} <- Repo.update(changeset) do