git.squeep.com Git - akkoma/blob - lib/pleroma/web/controller_helper.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ControllerHelper do
   6   use Pleroma.Web, :controller
   7
   8   # As in MastoAPI, per https://api.rubyonrails.org/classes/ActiveModel/Type/Boolean.html
   9   @falsy_param_values [false, 0, "0", "f", "F", "false", "FALSE", "off", "OFF"]
  10   def truthy_param?(blank_value) when blank_value in [nil, ""], do: nil
  11   def truthy_param?(value), do: value not in @falsy_param_values
  12
  13   def json_response(conn, status, json) do
  14     conn
  15     |> put_status(status)
  16     |> json(json)
  17   end
  18
  19   @spec fetch_integer_param(map(), String.t(), integer() | nil) :: integer() | nil
  20   def fetch_integer_param(params, name, default \\ nil) do
  21     params
  22     |> Map.get(name, default)
  23     |> param_to_integer(default)
  24   end
  25
  26   defp param_to_integer(val, _) when is_integer(val), do: val
  27
  28   defp param_to_integer(val, default) when is_binary(val) do
  29     case Integer.parse(val) do
  30       {res, _} -> res
  31       _ -> default
  32     end
  33   end
  34
  35   defp param_to_integer(_, default), do: default
  36 end