Cli\Command: provide Config()

This makes it feel more like action controllers

fixes #6954

library/Icinga/Cli/Command.php

@@ -7,6 +7,7 @@ namespace Icinga\Cli;
 use Icinga\Cli\Screen;
 use Icinga\Util\Translator;
 use Icinga\Cli\Params;
+use Icinga\Application\Config;
 use Icinga\Application\ApplicationBootstrap as App;
 use Exception;
 
@@ -23,6 +24,10 @@ abstract class Command
     protected $commandName;
     protected $actionName;
 
+    private $config;
+
+    private $configs;
+
     protected $defaultActionName = 'default';
 
     public function __construct(App $app, $moduleName, $commandName, $actionName, $initialize = true)
@@ -41,6 +46,51 @@ abstract class Command
         }
     }
 
+    public function Config($file = null)
+    {
+        if ($this->isModule()) {
+            return $this->getModuleConfig($file);
+        } else {
+            return $this->getMainConfig($file);
+        }
+    }
+
+    private function getModuleConfig($file = null)
+    {
+        if ($file === null) {
+            if ($this->config === null) {
+                $this->config = Config::module($this->moduleName);
+            }
+            return $this->config;
+        } else {
+            if (! array_key_exists($file, $this->configs)) {
+                $this->configs[$file] = Config::module($this->moduleName, $file);
+            }
+            return $this->configs[$file];
+        }
+    }
+
+    private function getMainConfig($file = null)
+    {
+        if ($file === null) {
+            if ($this->config === null) {
+                $this->config = Config::app();
+            }
+            return $this->config;
+        } else {
+            if (! array_key_exists($file, $this->configs)) {
+                $this->configs[$file] = Config::module($module, $file);
+            }
+            return $this->configs[$file];
+        }
+        return $this->config;
+    }
+
+    public function isModule()
+    {
+        return substr(get_class($this), 0, 14) === 'Icinga\\Module\\';
+    }
+
     public function setParams(Params $params)
     {
         $this->params = $params;