X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fcontroller_helper.ex;h=6acc8f07877a08e40519fc36c49e18a0caa56523;hb=a079ec3a3cdfd42d2cbd51c7698c2c87828e5778;hp=eb97ae975e32b3c0ff0886e3c75e526cbbdf32cd;hpb=d15aa9d9503e59b3cd0731394855781f435ec63c;p=akkoma diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex index eb97ae975..6acc8f078 100644 --- a/lib/pleroma/web/controller_helper.ex +++ b/lib/pleroma/web/controller_helper.ex @@ -1,22 +1,18 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2020 Pleroma Authors +# Copyright © 2017-2021 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ControllerHelper do use Pleroma.Web, :controller - alias Pleroma.Config + alias Pleroma.Pagination + alias Pleroma.Web.Utils.Params - # As in Mastodon API, per https://api.rubyonrails.org/classes/ActiveModel/Type/Boolean.html - @falsy_param_values [false, 0, "0", "f", "F", "false", "False", "FALSE", "off", "OFF"] - - def explicitly_falsy_param?(value), do: value in @falsy_param_values - - # Note: `nil` and `""` are considered falsy values in Pleroma - def falsy_param?(value), - do: explicitly_falsy_param?(value) or value in [nil, ""] - - def truthy_param?(value), do: not falsy_param?(value) + def json_response(conn, status, _) when status in [204, :no_content] do + conn + |> put_resp_header("content-type", "application/json") + |> send_resp(status, "") + end def json_response(conn, status, json) do conn @@ -42,39 +38,14 @@ defmodule Pleroma.Web.ControllerHelper do defp param_to_integer(_, default), do: default - def add_link_headers(conn, activities, extra_params \\ %{}) + def add_link_headers(conn, entries, extra_params \\ %{}) - def add_link_headers(%{assigns: %{skip_link_headers: true}} = conn, _activities, _extra_params), + def add_link_headers(%{assigns: %{skip_link_headers: true}} = conn, _entries, _extra_params), do: conn - def add_link_headers(conn, activities, extra_params) do - case List.last(activities) do - %{id: max_id} -> - params = - conn.params - |> Map.drop(Map.keys(conn.path_params)) - |> Map.drop(["since_id", "max_id", "min_id"]) - |> Map.merge(extra_params) - - limit = - params - |> Map.get("limit", "20") - |> String.to_integer() - - min_id = - if length(activities) <= limit do - activities - |> List.first() - |> Map.get(:id) - else - activities - |> Enum.at(limit * -1) - |> Map.get(:id) - end - - next_url = current_url(conn, Map.merge(params, %{max_id: max_id})) - prev_url = current_url(conn, Map.merge(params, %{min_id: min_id})) - + def add_link_headers(conn, entries, extra_params) do + case get_pagination_fields(conn, entries, extra_params) do + %{"next" => next_url, "prev" => prev_url} -> put_resp_header(conn, "link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"") _ -> @@ -82,37 +53,68 @@ defmodule Pleroma.Web.ControllerHelper do end end + @id_keys Pagination.page_keys() -- ["limit", "order"] + defp build_pagination_fields(conn, min_id, max_id, extra_params) do + params = + conn.params + |> Map.drop(Map.keys(conn.path_params) |> Enum.map(&String.to_existing_atom/1)) + |> Map.merge(extra_params) + |> Map.drop(@id_keys) + + %{ + "next" => current_url(conn, Map.put(params, :max_id, max_id)), + "prev" => current_url(conn, Map.put(params, :min_id, min_id)), + "id" => current_url(conn) + } + end + + def get_pagination_fields(conn, entries, extra_params \\ %{}) do + case List.last(entries) do + %{pagination_id: max_id} when not is_nil(max_id) -> + %{pagination_id: min_id} = List.first(entries) + + build_pagination_fields(conn, min_id, max_id, extra_params) + + %{id: max_id} -> + %{id: min_id} = List.first(entries) + + build_pagination_fields(conn, min_id, max_id, extra_params) + + _ -> + %{} + end + end + def assign_account_by_id(conn, _) do - # TODO: use `conn.params[:id]` only after moving to OpenAPI - case Pleroma.User.get_cached_by_id(conn.params[:id] || conn.params["id"]) do - %Pleroma.User{} = account -> assign(conn, :account, account) - nil -> Pleroma.Web.MastodonAPI.FallbackController.call(conn, {:error, :not_found}) |> halt() + case Pleroma.User.get_cached_by_id(conn.params.id) do + %Pleroma.User{} = account -> + assign(conn, :account, account) + + nil -> + Pleroma.Web.MastodonAPI.FallbackController.call(conn, {:error, :not_found}) + |> halt() end end + @spec try_render(Plug.Conn.t(), any, any) :: Plug.Conn.t() def try_render(conn, target, params) when is_binary(target) do - case render(conn, target, params) do - nil -> render_error(conn, :not_implemented, "Can't display this activity") - res -> res - end + render(conn, target, params) end def try_render(conn, _, _) do render_error(conn, :not_implemented, "Can't display this activity") end - @spec put_if_exist(map(), atom() | String.t(), any) :: map() - def put_if_exist(map, _key, nil), do: map - - def put_if_exist(map, key, value), do: Map.put(map, key, value) - - @doc "Whether to skip rendering `[:account][:pleroma][:relationship]`for statuses/notifications" - def skip_relationships?(params) do - if Config.get([:extensions, :output_relationships_in_statuses_by_default]) do - false - else - # BREAKING: older PleromaFE versions do not send this param but _do_ expect relationships. - not truthy_param?(params["with_relationships"]) - end + @doc """ + Returns true if request specifies to include embedded relationships in account objects. + May only be used in selected account-related endpoints; has no effect for status- or + notification-related endpoints. + """ + # Intended for PleromaFE: https://git.pleroma.social/pleroma/pleroma-fe/-/issues/838 + def embed_relationships?(params) do + # To do once OpenAPI transition mess is over: just `truthy_param?(params[:with_relationships])` + params + |> Map.get(:with_relationships, params["with_relationships"]) + |> Params.truthy_param?() end end