X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fcontroller_helper.ex;h=69946fb81ee6a5571728586e8c8fbde681ccb351;hb=89e5b2046bd15b3fead7a6194a2b9cecd2fedbd3;hp=b53a01955d3cf0c1b60a7072385ec3a8b4c0b3f9;hpb=a9b78f55e3561eec3cd125f030d2dd6ec338d406;p=akkoma
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index b53a01955..69946fb81 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -1,14 +1,22 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2020 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
+
+ # 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, json) do
conn
@@ -34,38 +42,85 @@ defmodule Pleroma.Web.ControllerHelper do
defp param_to_integer(_, default), do: default
- 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, activities, extra_params \\ %{})
+ def add_link_headers(%{assigns: %{skip_link_headers: true}} = conn, _activities, _extra_params),
+ do: conn
+
+ def add_link_headers(conn, activities, extra_params) do
+ case get_pagination_fields(conn, activities, 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))
+ |> 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, activities, extra_params \\ %{}) do
+ case List.last(activities) do
+ %{pagination_id: max_id} when not is_nil(max_id) ->
+ %{pagination_id: min_id} =
+ activities
+ |> List.first()
+
+ build_pagination_fields(conn, min_id, max_id, extra_params)
+
+ %{id: max_id} ->
+ %{id: min_id} =
+ activities
+ |> List.first()
+
+ 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
+
+ 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
+ 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"])
+ |> truthy_param?()
+ end
end