<?php

class backendGroups extends cmsBackend {

    protected $useOptions = true;
    public $useDefaultOptionsAction = true;
    public $useDefaultPermissionsAction = true;
    public $useSeoOptions = true;
    public $useItemSeoOptions = true;

    public function getBackendMenu(){
        return array(
            array(
                'title' => LANG_GROUPS_FIELDS,
                'url'   => href_to($this->root_url)
            ),
            array(
                'title' => LANG_CP_CTYPE_DATASETS,
                'url'   => href_to($this->root_url, 'datasets')
            ),
            array(
                'title' => LANG_OPTIONS,
                'url'   => href_to($this->root_url, 'options')
            ),
            array(
                'title' => LANG_PERMISSIONS,
                'url'   => href_to($this->root_url, 'perms', 'groups')
            )
        );
    }

    public function validate_unique_field($value){

        if (empty($value)) { return true; }
        if (!in_array(gettype($value), array('integer','string'))) { return ERR_VALIDATE_INVALID; }

        $result = $this->cms_core->db->isFieldExists('groups', $value);
        if ($result) { return ERR_VALIDATE_UNIQUE_FIELD; }

        return true;
    }

    public function getMetaItemFields() {

        $item_fields = [];

        $_item_fields = cmsCore::getModel('content')->setTablePrefix('')->orderBy('ordering')->getContentFields('groups');

        foreach ($_item_fields as $field) {

            $item_fields[] = $field['name'];

        }

        return $item_fields;

    }

}