Create plugins using the dependency injection.

Closes #4247

Merge request studip/studip!3078

lib/bootstrap-definitions.php

@@ -67,4 +67,5 @@ return [
 
         return $pdo;
     }),
+    PluginManager::class => DI\factory([PluginManager::class, 'getInstance']),
 ];

lib/plugins/engine/PluginManager.class.php

@@ -591,7 +591,7 @@ class PluginManager
         }
 
         if ($plugin_class) {
-            $plugin = $plugin_class->newInstance();
+            $plugin = app()->get($class);
         }
 
         return $this->plugin_cache[$class] = $plugin;

tests/functional/_bootstrap.php

@@ -19,6 +19,7 @@ $inc_path .= PATH_SEPARATOR . __DIR__ . '/../../config';
 ini_set('include_path', $inc_path);
 
 require 'lib/classes/StudipAutoloader.php';
+require 'lib/helpers.php';
 require 'lib/functions.php';
 require_once 'lib/language.inc.php';
 require 'lib/visual.inc.php';

tests/jsonapi/_bootstrap.php

@@ -29,6 +29,7 @@ date_default_timezone_set('Europe/Berlin');
 
 require 'config.inc.php';
 
+require 'lib/helpers.php';
 require 'lib/functions.php';
 require 'lib/language.inc.php';
 require 'lib/visual.inc.php';