Add plain text message support

src/Monolog/Handler/SlackHandler.php

@@ -40,13 +40,20 @@ class SlackHandler extends SocketHandler
     private $username;
 
     /**
-     * @param string $token    Slack API token
-     * @param string $channel  Slack channel (encoded ID or name)
-     * @param string $username Name of a bot
-     * @param int    $level    The minimum logging level at which this handler will be triggered
-     * @param bool   $bubble   Whether the messages that are handled can bubble up the stack or not
+     * Whether the message should be added to Slack as attachment (plain text otherwise)
+     * @var bool
      */
-    public function __construct($token, $channel, $username = 'Monolog', $level = Logger::CRITICAL, $bubble = true)
+    private $useAttachment;
+
+    /**
+     * @param string $token         Slack API token
+     * @param string $channel       Slack channel (encoded ID or name)
+     * @param string $username      Name of a bot
+     * @param int    $level         The minimum logging level at which this handler will be triggered
+     * @param bool   $bubble        Whether the messages that are handled can bubble up the stack or not
+     * @param bool   $useAttachment Whether the message should be added to Slack as attachment (plain text otherwise)
+     */
+    public function __construct($token, $channel, $username = 'Monolog', $level = Logger::CRITICAL, $bubble = true, $useAttachment = true)
     {
         if (!extension_loaded('openssl')) {
             throw new MissingExtensionException('The OpenSSL PHP extension is required to use the SlackHandler');
@@ -57,6 +64,7 @@ class SlackHandler extends SocketHandler
         $this->token = $token;
         $this->channel = $channel;
         $this->username = $username;
+        $this->useAttachment = $useAttachment;
     }
 
     /**
@@ -84,7 +92,12 @@ class SlackHandler extends SocketHandler
             'token' => $this->token,
             'channel' => $this->channel,
             'username' => $this->username,
-            'attachments' => json_encode(
+            'text' => '',
+            'attachments' => array()
+        );
+
+        if ($this->useAttachment) {
+            $dataArray['attachments'] = json_encode(
                 array(
                     array(
                         'fallback' => $record['message'],
@@ -103,8 +116,10 @@ class SlackHandler extends SocketHandler
                         )
                     )
                 )
-            )
-        );
+            );
+        } else {
+            $dataArray['text'] = $record['message'];
+        }
 
         return http_build_query($dataArray);
     }

tests/Monolog/Handler/SlackHandlerTest.php

@@ -54,7 +54,7 @@ class SlackHandlerTest extends TestCase
         fseek($this->res, 0);
         $content = fread($this->res, 1024);
 
-        $this->assertRegexp('/token=myToken&channel=channel1&username=Monolog&attachments=.*$/', $content);
+        $this->assertRegexp('/token=myToken&channel=channel1&username=Monolog&text=&attachments=.*$/', $content);
     }
 
     /**
@@ -70,6 +70,16 @@ class SlackHandlerTest extends TestCase
         $this->assertRegexp('/color%22%3A%22'.$expectedColor.'/', $content);
     }
 
+    public function testWriteContentWithPlainTextMessage()
+    {
+        $this->createHandler('myToken', 'channel1', 'Monolog', false);
+        $this->handler->handle($this->getRecord(Logger::CRITICAL, 'test1'));
+        fseek($this->res, 0);
+        $content = fread($this->res, 1024);
+
+        $this->assertRegexp('/text=test1/', $content);
+    }
+
     public function provideLevelColors()
     {
         return array(
@@ -84,9 +94,9 @@ class SlackHandlerTest extends TestCase
         );
     }
 
-    private function createHandler($token = 'myToken', $channel = 'channel1', $username = 'Monolog')
+    private function createHandler($token = 'myToken', $channel = 'channel1', $username = 'Monolog', $useAttachment = true)
     {
-        $constructorArgs = array($token, $channel, $username, Logger::DEBUG);
+        $constructorArgs = array($token, $channel, $username, Logger::DEBUG, true, $useAttachment);
         $this->res = fopen('php://memory', 'a');
         $this->handler = $this->getMock(
             '\Monolog\Handler\SlackHandler',