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bb1362c744
For get_type_provided: '*' will be match any parameters of media-range in "accept" header. If '*' matched, then '*' is replaced by the matching parameters. If Accept header is missing and '*' using, then in media_type in parameters will be '*' and reply content-type will be without any parameters. For content_types_accepted: '*' will be match any parameters in "content-type" header.
36 lines
913 B
Erlang
36 lines
913 B
Erlang
-module(rest_param_all).
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-export([init/3]).
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-export([allowed_methods/2]).
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-export([content_types_provided/2]).
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-export([get_text_plain/2]).
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-export([content_types_accepted/2]).
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-export([put_text_plain/2]).
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init(_Transport, _Req, _Opts) ->
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{upgrade, protocol, cowboy_rest}.
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allowed_methods(Req, State) ->
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{[<<"GET">>, <<"PUT">>], Req, State}.
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content_types_provided(Req, State) ->
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{[{{<<"text">>, <<"plain">>, '*'}, get_text_plain}], Req, State}.
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get_text_plain(Req, State) ->
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{{_, _, Param}, Req2} =
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cowboy_req:meta(media_type, Req, {{<<"text">>, <<"plain">>}, []}),
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Body = if
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Param == '*' ->
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<<"'*'">>;
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Param == [] ->
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<<"[]">>;
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Param /= [] ->
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iolist_to_binary([[Key, $=, Value] || {Key, Value} <- Param])
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end,
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{Body, Req2, State}.
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content_types_accepted(Req, State) ->
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{[{{<<"text">>, <<"plain">>, '*'}, put_text_plain}], Req, State}.
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put_text_plain(Req, State) ->
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{true, Req, State}.
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