FEATURE: change directory structure

app/Models/FileManager/Directory.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models\FileManager;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Directory extends Model
+{
+    /**
+     * @var bool $timstamps have created_at and updated_at fields
+     */
+    public $timestamps = true;
+    protected $fillable = [
+        'name',
+        'description',
+        'parent_id',
+        'user_id',
+        'hidden'
+    ];
+    protected $guarded = [];
+
+    /**
+     * Relationship with parent/sub directories
+     *
+     * @param bool $includeHidden
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function subdirectories($includeHidden = false)
+    {
+
+        $subdirectories = Directory::where('parent_id', $this->id);
+
+        if (!$includeHidden) {
+            $subdirectories = $subdirectories->where('hidden', 0);
+
+        }
+
+        return $subdirectories->get();
+
+    }
+}