From 86cb105679ff80214bfc9d979afa27b1eb747307 Mon Sep 17 00:00:00 2001
From: Herman Singh <kartstig@gmail.com>
Date: Fri, 7 Sep 2018 13:48:43 -0400
Subject: Rename handler modules to _h

---
 examples/echo_post/src/toppage_h.erl | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 examples/echo_post/src/toppage_h.erl

(limited to 'examples/echo_post/src/toppage_h.erl')

diff --git a/examples/echo_post/src/toppage_h.erl b/examples/echo_post/src/toppage_h.erl
new file mode 100644
index 0000000..1c6446a
--- /dev/null
+++ b/examples/echo_post/src/toppage_h.erl
@@ -0,0 +1,29 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @doc POST echo handler.
+-module(toppage_h).
+
+-export([init/2]).
+
+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, Req0) ->
+	{ok, PostVals, Req} = cowboy_req:read_urlencoded_body(Req0),
+	Echo = proplists:get_value(<<"echo">>, PostVals),
+	echo(Echo, Req);
+maybe_echo(<<"POST">>, false, Req) ->
+	cowboy_req:reply(400, [], <<"Missing body.">>, Req);
+maybe_echo(_, _, Req) ->
+	%% Method not allowed.
+	cowboy_req:reply(405, Req).
+
+echo(undefined, Req) ->
+	cowboy_req:reply(400, [], <<"Missing echo parameter.">>, Req);
+echo(Echo, Req) ->
+	cowboy_req:reply(200, #{
+		<<"content-type">> => <<"text/plain; charset=utf-8">>
+	}, Echo, Req).
-- 
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