pleroma/lib/pleroma/web/controller_helper.ex

37 lines
1.1 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# 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
def json_response(conn, status, json) do
conn
|> put_status(status)
|> json(json)
end
@spec fetch_integer_param(map(), String.t(), integer() | nil) :: integer() | nil
def fetch_integer_param(params, name, default \\ nil) do
params
|> Map.get(name, default)
|> param_to_integer(default)
end
defp param_to_integer(val, _) when is_integer(val), do: val
defp param_to_integer(val, default) when is_binary(val) do
case Integer.parse(val) do
{res, _} -> res
_ -> default
end
end
defp param_to_integer(_, default), do: default
end