mobilizon/lib/service/http/utils.ex
Thomas Citharel d0835232d6
refactor(backend): change naming of function names to avoid the is_ prefix
Following Credo.Check.Readability.PredicateFunctionNames check

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2024-01-04 13:35:08 +01:00

36 lines
1.2 KiB
Elixir

defmodule Mobilizon.Service.HTTP.Utils do
@moduledoc """
Utils for HTTP operations
"""
@spec get_header(Enum.t(), String.t()) :: String.t() | nil
def get_header(headers, key) do
key = String.downcase(key)
case List.keyfind(headers, key, 0) do
{^key, value} -> String.downcase(value)
nil -> nil
end
end
@spec content_type_matches?(Enum.t(), String.t() | list(String.t())) :: boolean
def content_type_matches?(headers, content_type) do
headers
|> get_header("Content-Type")
|> content_type_header_matches(content_type)
end
@spec content_type_header_matches(String.t() | nil, Enum.t()) :: boolean
defp content_type_header_matches(header, content_types)
defp content_type_header_matches(nil, _content_types), do: false
defp content_type_header_matches(header, content_type)
when is_binary(header) and is_binary(content_type),
do: content_type_header_matches(header, [content_type])
defp content_type_header_matches(header, content_types)
when is_binary(header) and is_list(content_types) do
Enum.any?(content_types, fn content_type -> String.starts_with?(header, content_type) end)
end
end