reorder_related_records.php

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<?php
import('Dataface/PermissionsTool.php');
class dataface_actions_reorder_related_records {
        function handle(&$params){
                
                if ( !isset( $_POST['-redirect'] ) and !isset($_POST['relatedList-body']) ){
                        return PEAR::raiseError('Cannot reorder related records because no redirect url was specified in the POST parameters.'.Dataface_Error::printStackTrace());
                }
                
                $app =& Dataface_Application::getInstance();
                $query =& $app->getQuery();
                if ( !($record = df_get_selected_records($query)) ){
                        $record =& $app->getRecord();
                } else {
                        $record = $record[0];
                }
                if ( PEAR::isError($record) ) return $record;
                if ( !$record ){
                        return PEAR::raiseError('The specified record could not be found.');
                }
                
                
                if ( !@$query['-relationship'] ){
                        return PEAR::raiseError("No relationship specified.");
                }
                
                $relationship =& $record->_table->getRelationship($query['-relationship']);
                if ( PEAR::isError($relationship) ) return $relationship;
                
                $orderColumn = $relationship->getOrderColumn();
                if ( !$orderColumn ){
                        return PEAR::raiseError('Could not reorder records of this relationship because it does not have any order column specified.');
                }
                
                
                
                
                if ( !Dataface_PermissionsTool::checkPermission('reorder_related_records', $record, array('relationship'=>$query['-relationship']) ) ) {
                        return Dataface_Error::permissionDenied('You do not have permission to reorder the records in this relationship.');
                }
                
                if ( isset($_POST['relatedList-body']) ){
                        $relatedIds = array_map('urldecode', $_POST['relatedList-body']);
                        // In this case we are not just moving a record up or down the list,
                        // we may be reordering the list altogether.
                        // We may also just be ordering a subset of the list.
                        // so we will want to be reordering the given set of records
                        // with respect to each other.
                        
                        // First let's see if the ordering has been initialized yet.
                        $records = array();
                        //print_r($relatedIds);exit;
                        foreach ($relatedIds as $recid ){
                                //$recid = urldecode($recid);
                                $records[] = df_get_record_by_id($recid);
                        }
                        $start = ( isset($query['-related:start']) ? $query['-related:start'] : 0);
                        $record->sortRelationship($query['-relationship'], $start, $records);
                
                        echo 'Sorted Successfully';
                        exit;
                }
                
                if ( !isset( $_POST['-reorder:direction'] ) ){
                        return PEAR::raiseError('Cannot reorder related records because no direction was specified.');
                }
                
                if ( !isset( $_POST['-reorder:index']) ){
                        return PEAR::raiseError('Cannot reorder related records because no index was specified.');
                }
                
                $index = intval($_POST['-reorder:index']);
                
                switch ( $_POST['-reorder:direction']){
                        case 'up': 
                                //echo "Moving up";exit;
                                $res = $record->moveUp($query['-relationship'], $index);
                                
                                break;
                                
                        case 'down':
                                $res = $record->moveDown($query['-relationship'], $index);
                                break;
                                
                        default:
                                return PEAR::raiseError('Invalid input for direction of reordering.  Must be up or down but received "'.$_POST['-reorder:direction'].'"');
                }
                if ( PEAR::isError($res) ) return $res;
                header('Location: '.$_POST['-redirect']);
                exit;
                
        
        }
}
?>