X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;ds=inline;f=lib%2Fpleroma%2Fweb%2Fcontroller_helper.ex;h=6acc8f07877a08e40519fc36c49e18a0caa56523;hb=a079ec3a3cdfd42d2cbd51c7698c2c87828e5778;hp=8a753bb4faf716c25c51f9f211aaaf2f500e22f9;hpb=f0fc2da96471ea518b564674f107361241e3e911;p=akkoma
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index 8a753bb4f..6acc8f078 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -1,14 +1,18 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2021 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ControllerHelper do
use Pleroma.Web, :controller
- # As in MastoAPI, per https://api.rubyonrails.org/classes/ActiveModel/Type/Boolean.html
- @falsy_param_values [false, 0, "0", "f", "F", "false", "FALSE", "off", "OFF"]
- def truthy_param?(blank_value) when blank_value in [nil, ""], do: nil
- def truthy_param?(value), do: value not in @falsy_param_values
+ alias Pleroma.Pagination
+ alias Pleroma.Web.Utils.Params
+
+ 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
@@ -33,4 +37,84 @@ defmodule Pleroma.Web.ControllerHelper do
end
defp param_to_integer(_, default), do: default
+
+ def add_link_headers(conn, entries, extra_params \\ %{})
+
+ def add_link_headers(%{assigns: %{skip_link_headers: true}} = conn, _entries, _extra_params),
+ do: conn
+
+ 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\"")
+
+ _ ->
+ conn
+ 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
+ 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
+ render(conn, target, params)
+ end
+
+ def try_render(conn, _, _) do
+ render_error(conn, :not_implemented, "Can't display this activity")
+ 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