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40 lines
1.2 KiB
Erlang
40 lines
1.2 KiB
Erlang
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%% This module defines the range_satisfiable callback
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%% and return something different depending on query string.
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-module(range_satisfiable_h).
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-export([init/2]).
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-export([content_types_provided/2]).
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-export([ranges_provided/2]).
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-export([range_satisfiable/2]).
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-export([get_text_plain/2]).
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-export([get_text_plain_bytes/2]).
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init(Req, State) ->
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{cowboy_rest, 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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ranges_provided(Req, State) ->
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{[{<<"bytes">>, get_text_plain_bytes}], Req, State}.
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%% Simulate the callback being missing, otherwise expect true/false.
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range_satisfiable(#{qs := <<"missing">>}, _) ->
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no_call;
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range_satisfiable(Req=#{qs := <<"false-int">>}, State) ->
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{{false, 123}, Req, State};
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range_satisfiable(Req=#{qs := <<"false-bin">>}, State) ->
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{{false, <<"*/456">>}, Req, State};
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range_satisfiable(Req=#{qs := Qs}, State) ->
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{Qs =:= <<"true">>, Req, State}.
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get_text_plain(Req, State) ->
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{<<"This is REST!">>, Req, State}.
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get_text_plain_bytes(Req, State) ->
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%% We send everything in one part, since we are not testing
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%% this callback specifically.
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Body = <<"This is ranged REST!">>,
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{[{{0, byte_size(Body) - 1, byte_size(Body)}, Body}], Req, State}.
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