From dc6850679b336f10225486a80651ebfbf1a762c0 Mon Sep 17 00:00:00 2001
From: Sullivan SENECHAL <soullivaneuh@gmail.com>
Date: Wed, 31 Aug 2016 10:36:26 +0200
Subject: [PATCH] Add sticky channel option

With this option, all message will be sent to the default channel only.

This is useful for dev environment when you want to concentrate all test message to a specific test channel.
---
 src/Client.php                 | 32 +++++++++++++++++++++++++++++++-
 tests/ClientFunctionalTest.php | 25 +++++++++++++++++++++++++
 2 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/src/Client.php b/src/Client.php
index 75497f4..302bb60 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -21,6 +21,16 @@ class Client
      */
     protected $channel;
 
+    /**
+     * If set to true, all messages will be sent to the default channel,
+     * even if you specify another one during the runtime.
+     *
+     * This is useful for dev environment.
+     *
+     * @var bool
+     */
+    protected $sticky_channel = false;
+
     /**
      * The default username to send messages as.
      *
@@ -95,6 +105,10 @@ public function __construct($endpoint, array $attributes = [], Guzzle $guzzle =
             $this->setDefaultChannel($attributes['channel']);
         }
 
+        if (isset($attributes['sticky_channel'])) {
+            $this->setStickyChannel($attributes['sticky_channel']);
+        }
+
         if (isset($attributes['username'])) {
             $this->setDefaultUsername($attributes['username']);
         }
@@ -181,6 +195,22 @@ public function setDefaultChannel($channel)
         $this->channel = $channel;
     }
 
+    /**
+     * @return bool
+     */
+    public function isStickyChannel()
+    {
+        return $this->sticky_channel;
+    }
+
+    /**
+     * @param bool $sticky_channel
+     */
+    public function setStickyChannel($sticky_channel)
+    {
+        $this->sticky_channel = $sticky_channel;
+    }
+
     /**
      * Get the default username messages will be created for.
      *
@@ -385,7 +415,7 @@ public function preparePayload(Message $message)
     {
         $payload = [
             'text' => $message->getText(),
-            'channel' => $message->getChannel(),
+            'channel' => $this->isStickyChannel() ? $this->channel : $message->getChannel(),
             'username' => $message->getUsername(),
             'link_names' => $this->getLinkNames() ? 1 : 0,
             'unfurl_links' => $this->getUnfurlLinks(),
diff --git a/tests/ClientFunctionalTest.php b/tests/ClientFunctionalTest.php
index f0fe810..ed9bb24 100644
--- a/tests/ClientFunctionalTest.php
+++ b/tests/ClientFunctionalTest.php
@@ -317,6 +317,31 @@ public function testMessageWithAttachmentsAndActions()
         $this->assertEquals($expectedHttpData, $payload);
     }
 
+    public function testMessageWithStickyChannel()
+    {
+        $expectedHttpData = [
+            'username' => 'Archer',
+            'channel' => 'test',
+            'text' => 'Message',
+            'link_names' => 0,
+            'unfurl_links' => false,
+            'unfurl_media' => true,
+            'mrkdwn' => true,
+            'attachments' => [],
+        ];
+
+        $client = new Client('http://fake.endpoint', [
+            'channel' => 'test',
+            'sticky_channel' => true,
+        ]);
+
+        $message = $client->to('@regan')->from('Archer')->setText('Message');
+
+        $payload = $client->preparePayload($message);
+
+        $this->assertEquals($expectedHttpData, $payload);
+    }
+
     public function testBadEncodingThrowsException()
     {
         $client = $this->getNetworkStubbedClient();