public function getDataForCreate($lang, $postTypeSlug)
    {
        // Custom field groups
        $customFieldsGroups = CustomFieldGroup::findGroups('post-type', 'create', 0, $postTypeSlug);

        // post type
        $postType = PostType::where('slug', $postTypeSlug)->first();

        // Categories (options to select)
        $categories = array_values(Category::where("postTypeID", $postType->postTypeID)->get()->toArray());

        return [
            'postType' => $postType,
            'languages' => Language::all(),
            'categories' => $categories,
            'customFieldsGroups' => $customFieldsGroups,
            'postTypeFieldsValues' => $this->getPostTypeFieldsValues($postTypeSlug),
            'users' => User::all(),
            'createdByUserID' => Auth::user()->userID,
        ];
    }