-module(rest_param_all).
-export([init/3]).
-export([allowed_methods/2]).
-export([content_types_provided/2]).
-export([get_text_plain/2]).
-export([content_types_accepted/2]).
-export([put_text_plain/2]).
init(_Transport, _Req, _Opts) ->
{upgrade, protocol, cowboy_rest}.
allowed_methods(Req, State) ->
{[<<"GET">>, <<"PUT">>], Req, State}.
content_types_provided(Req, State) ->
{[{{<<"text">>, <<"plain">>, '*'}, get_text_plain}], Req, State}.
get_text_plain(Req, State) ->
{{_, _, Param}, Req2} =
cowboy_req:meta(media_type, Req, {{<<"text">>, <<"plain">>}, []}),
Body = if
Param == '*' ->
<<"'*'">>;
Param == [] ->
<<"[]">>;
Param /= [] ->
iolist_to_binary([[Key, $=, Value] || {Key, Value} <- Param])
end,
{Body, Req2, State}.
content_types_accepted(Req, State) ->
{[{{<<"text">>, <<"plain">>, '*'}, put_text_plain}], Req, State}.
put_text_plain(Req, State) ->
{true, Req, State}.
