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<?php
/**
 * Grabs a list of resource groups for a resource.
 *
 * @param integer $resource The resource to grab groups for.
 * @param integer $start (optional) The record to start at. Defaults to 0.
 * @param integer $limit (optional) The number of records to limit to. Defaults
 * to 10.
 * @param string $sort (optional) The column to sort by. Defaults to name.
 * @param string $dir (optional) The direction of the sort. Defaults to ASC.
 *
 * @package modx
 * @subpackage processors.resource.resourcegroup
 */
class modResourceGroupResourceGetListProcessor extends modProcessor {
    /** @var modResource $resource */
    public $resource;
    
    public function checkPermissions() {
        return $this->modx->hasPermission('list');
    }
    public function getLanguageTopics() {
        return array('resource');
    }

    public function initialize() {
        $this->setDefaultProperties(array(
            'start' => 0,
            'limit' => 10,
            'sort' => 'name',
            'dir' => 'ASC',
            'resource' => 0,
            'parent' => 0,
            'mode' => 'update',
        ));
        return true;
    }

    public function process() {
        $this->resource = $this->getResource();
        if (!is_object($this->resource) || !($this->resource instanceof modResource)) {
            return $this->failure($this->resource);
        }

        /* setup default properties */
        $isLimit = $this->getProperty('limit') > 0;
        $resourceGroupList = $this->resource->getGroupsList(array($this->getProperty('sort') => $this->getProperty('dir')), $isLimit ? $this->getProperty('limit') : 0, $this->getProperty('start'));
        $resourceGroups = $resourceGroupList['collection'];

        $parentGroups = array();
        $mode = $this->getProperty('mode');
        $parent = $this->getProperty('parent',0);

        if (!empty($parent) && $mode == 'create') {
            $parent = $this->modx->getObject('modResource',$parent);
            /** @var modResource $parent */
            if ($parent) {
                $parentResourceGroups = $parent->getMany('ResourceGroupResources');
                /** @var modResourceGroupResource $parentResourceGroup */
                foreach ($parentResourceGroups as $parentResourceGroup) {
                    $parentGroups[] = $parentResourceGroup->get('document_group');
                }
                $parentGroups = array_unique($parentGroups);
            }
        }

        $list = array();
        /** @var modResourceGroup $resourceGroup */
        foreach ($resourceGroups as $resourceGroup) {
            $resourceGroupArray = $resourceGroup->toArray();
            $resourceGroupArray['access'] = (boolean) $resourceGroupArray['access'];
            if (!empty($parent) && $mode == 'create') {
                $resourceGroupArray['access'] = in_array($resourceGroupArray['id'],$parentGroups) ? true : false;
            }
            $list[] = $resourceGroupArray;
        }

        return $this->outputArray($list, $resourceGroupList['total']);
    }

    /**
     * Get the Resource associated
     * 
     * @return modResource|string
     */
    public function getResource() {
        $resourceId = $this->getProperty('resource',0);
        if (empty($resourceId)) {
            $this->resource = $this->modx->newObject('modResource');
            $this->resource->set('id',0);
        } else {
            $this->resource = $this->modx->getObject('modResource', $resourceId);
            if (empty($this->resource)) return $this->modx->lexicon('resource_err_nfs',array('id' => $resourceId));

            /* check access */
            if (!$this->resource->checkPolicy('view')) {
                return $this->modx->lexicon('permission_denied');
            }
        }
        return $this->resource;
    }

}
return 'modResourceGroupResourceGetListProcessor';