Virtual metadata managment

app/Classes/Bundle.php

@@ -10,6 +10,7 @@
 use Carbon\Carbon;
 use Exception;
 use Illuminate\Filesystem\FilesystemAdapter;
+use Illuminate\Support\Collection;
 use Illuminate\Support\Str;
 use League\Flysystem\StorageAttributes;
 
@@ -134,6 +135,23 @@ public function getSiteTitle(): string
         return $title;
     }
 
+    /**
+     * Return "virtual" metadata, which is a Collection of extended metadata,
+     * with additions and corrections from the "metadata.json" file
+     */
+    public function virtualMetadata(): Collection
+    {
+        $mergedData = [];
+
+        foreach ($this->metadata()->get('virtualMetadata', []) as $additionalFile) {
+            $mergedData = array_merge_recursive($mergedData, $this->metadata($additionalFile)->all() ?? []);
+        }
+
+        $replacedData = array_replace_recursive($mergedData, $this->metadata('metadata')->all() ?? []);
+
+        return collect($replacedData);
+    }
+
     /**
      * Return a boolean value indicating if there already is a bundle in
      * specified path

app/Services/BundleUpdaters/Updaters/CriticUpdater.php

@@ -82,7 +82,10 @@ public function update()
             }
         }
 
+        $this->bundle->metadata()->set('virtualMetadata', ['wikidata/included']);
+
         $this->bundle->save();
+        $this->bundle->repair();
     }
 
     /**