trigger_condition_access_permission.inc

<?php
require_once SQ_INCLUDE_PATH.'/general_occasional.inc';

class Trigger_Condition_Access_Permission extends Trigger_Condition
{


    public static function evaluate($settings, &$state)
    {
        // grab the data we need to check the condition, if it's not already cached
        // note that new state is modified and new data is available to other conditions
        if (empty($state['asset'])) {
            // grab the asset if assetid is given, but not the asset
            if (empty($state['assetid'])) {
                return FALSE;
            } else {
                $state['asset'] = $GLOBALS['SQ_SYSTEM']->am->getAsset($state['assetid']);
            }
        }

        // check the access permission (granted/not granted)
        $condition = FALSE;
        switch ($settings['perm']) {
            case SQ_PERMISSION_READ:
                $condition = $state['asset']->readAccess();
            break;

            case SQ_PERMISSION_WRITE:
                $condition = $state['asset']->writeAccess();
            break;

            case SQ_PERMISSION_ADMIN:
                $condition = $state['asset']->adminAccess();
            break;
        }

        return $settings['grant'] ? $condition : !$condition;

    }//end evaluate()


    public static function getInterface($settings, $prefix, $write_access=FALSE)
    {
        $perm = Array(
                    SQ_PERMISSION_READ  => translate('read').' '.translate('permission'),
                    SQ_PERMISSION_WRITE => translate('write').' '.translate('permission'),
                    SQ_PERMISSION_ADMIN => translate('admin').' '.translate('permission'),
                );
        $grant = Array(
                    1   => 'has',
                    0   => 'does not have',
                 );

        $selected_perm = array_get_index($settings, 'perm', SQ_PERMISSION_READ);
        $selected_grant = array_get_index($settings, 'grant', 1);

        // begin buffering basic options
        ob_start();
            if ($write_access) {
                combo_box($prefix.'[grant]', $grant, FALSE, $selected_grant);
            } else {
                echo $grant[$selected_grant];
            }
            $part1 = ob_get_contents();
        ob_end_clean();
        ob_start();
            if ($write_access) {
                combo_box($prefix.'[perm]', $perm, FALSE, $selected_perm);
            } else {
                echo $perm[$selected_perm];
            }
            $part2 = ob_get_contents();
        ob_end_clean();

        //                     has        read/write/admin permission
        //                     does not have
        return 'Current user '.$part1.' '.$part2.' on the asset that the action is executing on.';

    }//end getInterface()


    public static function processInterface(&$settings, $request_data)
    {
        $settings['perm'] = array_get_index($request_data, 'perm', SQ_PERMISSION_READ);
        $settings['grant'] = array_get_index($request_data, 'grant', 1);

        return FALSE;

    }//end processInterface()


}//end class

?>