snap2/perm/SnapResourceUserPermission.php5

<?php

final class SnapResourceUserPermission extends SnapPermissionObject {
    public function __construct($resId, $uid = '') {
        if($resId instanceof SnapResource)
            $resId = $resId->getId();
        if($uid == '')
            $uid = Snap2::getCurrentUser();

        parent::__construct('Resource', $resId, 'User', $uid);
    }

    public static function copy($parentId, $childId) {
        if(!SnapDBI::startTransaction())
            return false;

        $query = 'INSERT INTO ResourceUserPermission (uid, resourceId, permission, defaultMask) '
            . 'SELECT uid, ' . $childId . ', permission, defaultMask FROM DirectoryUserPermission '
            . 'WHERE directoryId = ' . $parentId;
        if(!SnapDBI::query($query)) {
            SnapDBI::cancelTransaction();
            return false;
        }

        SnapDBI::commitTransaction();

/*
        $query = 'SELECT uid, LPAD(BIN(permission),32,\'0\') AS perm, LPAD(BIN(defaultMask),32,\'0\') AS defMask
                    FROM DirectoryUserPermission WHERE directoryId = ' . $parentId;
        $result = SnapDBI::query($query, true);
        if($result === false) {
            SnapDBI::cancelTransaction();
            return false;
        }
        $dirCaps = SnapPermissionObject::getCapabilities('Directory');

        $query = '';
        foreach($result as $row) {
            $permString = str_repeat('0', 32);
            $maskString = str_repeat('0', 32);
            foreach($dirCaps as $id => $cap) {
                $i = 32 - $id;
                if(SnapPermissionObject::isCapabilityForType('Resource', $cap)) {
                    $permString[$i] = $result[0]['perm'][$i];
                    $maskString[$i] = $result[0]['defMask'][$i];
                }
                else {
                    $permString[$i] = '0';
                    $maskString[$i] = '0';
                }
            }

            $query .= "($row[uid], $childId, b'$permString', b'$maskString'),";
        }

        if($query != '') {
            $query = 'INSERT INTO ResourceUserPermission (uid, resourceId, permission, defaultMask) VALUES '
                . rtrim($query, ',');
            if(!SnapDBI::query($query)) {
                SnapDBI::cancelTransaction();
                return false;
            }
        }

        SnapDBI::commitTransaction();
 */

        return true;
    }

    public static function retrieve($resId, $uid = '') {
        if($uid == '')
            $uid = Snap2::getCurrentUser();
        if($resId instanceof SnapResource)
            $resId = $resId->getId();

        $id = 'R:' . $resId . ';' . 'U:' . $uid;
        $obj = SnapCache::getById('ResourceUserPermission', $id);
        if(!$obj) {
            $obj = new SnapResourceUserPermission($resId, $uid);
            SnapCache::putById('ResourceUserPermission', $obj->getId(), $obj);
        }

        return $obj;
    }
}

?>

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