defmodule Pleroma.Object do
  use Ecto.Schema
  alias Pleroma.{Repo, Object}
  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 get_cached_by_ap_id(ap_id) do
    if Mix.env() == :test do
      get_by_ap_id(ap_id)
    else
      key = "object:#{ap_id}"

      Cachex.get!(
        :user_cache,
        key,
        fallback: 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
end