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authorLoïc Hoguin <[email protected]>2016-08-10 17:15:02 +0200
committerLoïc Hoguin <[email protected]>2016-08-10 17:15:02 +0200
commite30d120bd8c9a4a7b469937d5b5be6a8dfe148d4 (patch)
tree5eb48865b2ad61d3c05bdc0e3e1f639a6b966ffe /examples/echo_post/src
parentaa6f2ab5a48d90e47648dfb53e0894dcaa6f6aac (diff)
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Make reply functions return Req
Diffstat (limited to 'examples/echo_post/src')
-rw-r--r--examples/echo_post/src/toppage_handler.erl23
1 files changed, 10 insertions, 13 deletions
diff --git a/examples/echo_post/src/toppage_handler.erl b/examples/echo_post/src/toppage_handler.erl
index f52b6d4..398a377 100644
--- a/examples/echo_post/src/toppage_handler.erl
+++ b/examples/echo_post/src/toppage_handler.erl
@@ -5,24 +5,21 @@
-export([init/2]).
-init(Req, Opts) ->
- Method = cowboy_req:method(Req),
- HasBody = cowboy_req:has_body(Req),
- Req2 = maybe_echo(Method, HasBody, Req),
- {ok, Req2, Opts}.
+init(Req0, Opts) ->
+ Method = cowboy_req:method(Req0),
+ HasBody = cowboy_req:has_body(Req0),
+ Req = maybe_echo(Method, HasBody, Req0),
+ {ok, Req, Opts}.
-maybe_echo(<<"POST">>, true, Req) ->
- {ok, PostVals, Req2} = cowboy_req:read_urlencoded_body(Req),
+maybe_echo(<<"POST">>, true, Req0) ->
+ {ok, PostVals, Req} = cowboy_req:read_urlencoded_body(Req0),
Echo = proplists:get_value(<<"echo">>, PostVals),
- echo(Echo, Req2),
- Req2;
+ echo(Echo, Req);
maybe_echo(<<"POST">>, false, Req) ->
- cowboy_req:reply(400, [], <<"Missing body.">>, Req),
- Req;
+ cowboy_req:reply(400, [], <<"Missing body.">>, Req);
maybe_echo(_, _, Req) ->
%% Method not allowed.
- cowboy_req:reply(405, Req),
- Req.
+ cowboy_req:reply(405, Req).
echo(undefined, Req) ->
cowboy_req:reply(400, [], <<"Missing echo parameter.">>, Req);