FIX: fix file manager

app/CMS/Helpers/RootDirectory.php

@@ -0,0 +1,49 @@
+<?php
+namespace App\CMS\Helpers;
+
+use App\Models\FileManager\Directory;
+use App\Models\FileManager\File;
+
+class RootDirectory
+{
+    protected static $directory;
+
+    /**
+     * Create root directory
+     *
+     * @return Directory
+     */
+    protected static function create()
+    {
+        $directory = new Directory();
+        $directory->name = 'Root';
+        $directory->is_root = true;
+        $directory->save();
+
+        Directory::whereNull('parent_id')
+                 ->where('is_root', false)
+                 ->update(['parent_id' => $directory->id]);
+
+        File::where('directory_id', null)
+            ->update(['directory_id' => $directory->id]);
+
+        return $directory;
+    }
+
+    /**
+     * Get root directory
+     *
+     * @return Directory
+     */
+    public static function get()
+    {
+        self::$directory = Directory::where('is_root', true)
+                                    ->first();
+
+        if (is_null(self::$directory)) {
+            self::$directory = self::create();
+        }
+
+        return self::$directory;
+    }
+}

app/CMS/Repositories/FileManager/Directory.php

@@ -1,7 +1,9 @@
 <?php
 namespace App\CMS\Repositories\FileManager;
 
+use App\CMS\Helpers\RootDirectory;
 use App\Models\FileManager\Directory as DirectoryModel;
+use App\Models\FileManager\File;
 
 class Directory
 {
@@ -11,4 +13,25 @@ class Directory
                              ->where('parent_id', $directoryId)
                              ->exists();
     }
+
+    /**
+     * @param DirectoryModel $directory
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function getAllSubdirectories(DirectoryModel &$directory)
+    {
+        if (!$directory->exists) {
+            $directory = DirectoryModel::where('is_root', true)
+                                       ->first();
+
+            if (is_null($directory)) {
+                $directory = RootDirectory::get();
+            }
+        }
+
+        $subdirectories = $directory->allSubdirectories();
+
+        return $subdirectories;
+    }
 }