From e30d120bd8c9a4a7b469937d5b5be6a8dfe148d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 10 Aug 2016 17:15:02 +0200
Subject: Make reply functions return Req

---
 examples/echo_post/src/toppage_handler.erl | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

(limited to 'examples/echo_post')

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);
-- 
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