add the service container resolver

Author: aivis

src/Understand/UnderstandLaravel5/UnderstandLaravel5ServiceProvider.php

@@ -448,9 +448,11 @@ protected function shouldIgnoreEvent($level, $message, $context)
         // check if a custom filter is set and whether the log should be ignored
         // true - the log should be ignored
         // false - the log should be delivered to Understand
-        if (is_callable($logFilter))
+        if ($logFilter)
         {
-            return (bool)$logFilter($level, $message, $context);
+            $factory = is_callable($logFilter) ? $logFilter : $this->app->make($logFilter);
+
+            return (bool)$factory($level, $message, $context);
         }
 
         // by default logs are not ignored

src/config/understand-laravel.php

@@ -71,6 +71,8 @@
      *
      * The configuration value (filter) must be a callable type:
      * - https://www.php.net/manual/en/function.is-callable.php
+     * or a callable dependency from the service container:
+     * - https://laravel.com/docs/9.x/container#the-make-method
      *
      * The suggested way would be to create an invokable class since it's hard to serialise anonymous functions (Laravel config cache):
      * - https://www.php.net/manual/en/language.oop5.magic.php#object.invoke

tests/LogFilterTest.php

@@ -45,6 +45,41 @@ public function testLogFilterAllowsDelivery()
         $this->assertEquals(2, $logsSent);
     }
 
+    /**
+     * @return void
+     */
+    public function testServiceContainerDependency()
+    {
+        $logsSent = 0;
+
+        $callback = function() use(&$logsSent)
+        {
+            $logsSent++;
+        };
+
+        $dependencyName = 'service-container-dependency';
+        $dependencyCalled = false;
+
+        $this->app->bind($dependencyName, function() use(&$dependencyCalled) {
+            return function() use(&$dependencyCalled) {
+                $dependencyCalled = true;
+                // FALSE, logs should not be filtered
+                return false;
+            };
+        });
+
+        $this->app['config']->set('understand-laravel.log_filter', $dependencyName);
+
+        $handler = new CallbackHandler($callback);
+        $this->app['understand.logger'] = new Logger($this->app['understand.fieldProvider'], $handler);
+
+        // trigger error
+        $this->app['Psr\Log\LoggerInterface']->error('test');
+
+        $this->assertTrue($dependencyCalled);
+        $this->assertEquals(1, $logsSent);
+    }
+
     /**
      * @return void
      */