Added CategoryErrorLevelActivationStrategy, which enables setting the

Error Level threshold per log channel.

src/Monolog/Handler/FingersCrossed/CategoryErrorLevelActivationStrategy.php

@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the Monolog package.
+*
+* (c) Jordi Boggiano <j.boggiano@seld.be>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+
+namespace Monolog\Handler\FingersCrossed;
+
+/**
+ * Channel and Error level based monolog activation strategy. Allows to trigger activation
+ * based on level per channel. e.g. trigger activation on level 'ERROR' by default, except
+ * for records of the 'sql' channel; those should trigger activation on level 'WARN'.
+ *
+ * @author Mike Meessen <netmikey@gmail.com>
+ */
+class CategoryErrorLevelActivationStrategy implements ActivationStrategyInterface
+{
+    private $defaultActionLevel;
+    private $channelToActionLevel;
+
+    /**
+     * @param int $defaultActionLevel The default action level to be used if the record's category doesn't match any
+     * @param array<int> $categoryToActionLevel An array that maaps category names to action levels.
+     */
+    public function __construct($defaultActionLevel, $channelToActionLevel = array())
+    {
+        $this->defaultActionLevel = $defaultActionLevel;
+        $this->channelToActionLevel = $channelToActionLevel;
+    }
+
+    public function isHandlerActivated(array $record)
+    {
+    	if (isset($this->channelToActionLevel[$record['channel']])) {
+	        return $record['level'] >= $this->channelToActionLevel[$record['channel']];
+    	} else {
+	        return $record['level'] >= $this->defaultActionLevel;
+    	}
+    }
+}