Fix #5903: ContentContainerModule::getEnabledContentContainers() returns an empty array (#5907)

CHANGELOG-DEV.md

@@ -10,3 +10,4 @@ HumHub Changelog
 - Enh #5872: Invalidate active sessions after password changing
 - Enh #5820: Selftest for base URL
 - Enh #5891: Improve select2 width on people filters
+- Fix #5903: ContentContainerModule::getEnabledContentContainers() returns an empty array

protected/humhub/modules/content/components/ContentContainerModule.php

@@ -9,6 +9,7 @@
 namespace humhub\modules\content\components;
 
 use humhub\components\Module;
+use humhub\modules\content\models\ContentContainer;
 use humhub\modules\content\models\ContentContainerModuleState;
 use humhub\modules\content\models\ContentContainerPermission;
 
@@ -158,11 +159,22 @@ class ContentContainerModule extends Module
      * Returns an array of all content containers where this module is enabled.
      *
      * @param string $containerClass optional filter to specific container class
-     * @return array of content container instances
+     * @return ContentContainer[]
      */
-    public function getEnabledContentContainers($containerClass = "")
+    public function getEnabledContentContainers($containerClass = null)
     {
-        return [];
+        $enabledContentContainers = [];
+        $contentContainerModuleStates = ContentContainerModuleState::findAll(['module_id' => $this->id, 'module_state' => [ContentContainerModuleState::STATE_ENABLED, ContentContainerModuleState::STATE_FORCE_ENABLED]]);
+        foreach ($contentContainerModuleStates as $contentContainerModuleState) {
+            $contentContainer = $contentContainerModuleState->contentContainer;
+            if (
+                $contentContainer !== null
+                && (!$containerClass || $contentContainer->class === $containerClass)
+            ) {
+                $enabledContentContainers[] = $contentContainer;
+            }
+        }
+        return $enabledContentContainers;
     }
 
     /**

protected/humhub/modules/content/models/ContentContainerModuleState.php

@@ -10,6 +10,7 @@ namespace humhub\modules\content\models;
 
 use Yii;
 use yii\db\ActiveRecord;
+use yii\db\ActiveQuery;
 
 /**
  * This is the model class for table "contentcontainer_module".
@@ -17,6 +18,8 @@ use yii\db\ActiveRecord;
  * @property integer $contentcontainer_id
  * @property string $module_id
  * @property integer $module_state
+ *
+ * @property ContentContainer $contentContainer
  */
 class ContentContainerModuleState extends ActiveRecord
 {
@@ -51,4 +54,13 @@ class ContentContainerModuleState extends ActiveRecord
 
         return $labels ? $states : array_keys($states);
     }
+
+    /**
+     * @return ActiveQuery
+     */
+    public function getContentContainer()
+    {
+        return $this
+            ->hasOne(ContentContainer::class, ['id' => 'contentcontainer_id']);
+    }
 }