silverstripe-reports/code/Newsletter/UnsubscribedList.php

<?php
/**
* Displays a list of all members that have unsubscribed from the list
*/
class UnsubscribedList extends FormField {
    
    protected $nlType;
    
    function __construct( $name, $newsletterType ) {
        parent::__construct( $name, '', null );
        
        if( is_object( $newsletterType ) )
            $this->nlType = $newsletterType;
        else
            $this->nlType = DataObject::get_by_id( 'NewsletterType', $newsletterType );
    }    
    
    function FieldHolder() {
        return $this->renderWith( 'NewsletterAdmin_UnsubscribedList' );   
    }
    
    function Entries() {
        
        $id = $this->nlType->ID;
        
        $unsubscribeRecords = DataObject::get( 'Member_UnsubscribeRecord', "`NewsletterTypeID`='$id'" );
        
        // user_error($id, E_USER_ERROR );
        
        if( !$unsubscribeRecords )
            return null;
        
        foreach( $unsubscribeRecords as $unsubscribeRecord ) {        
			if( $unsubscribeRecord ) {
				$unsubscribedUsers[] = new ArrayData( array( 
                    'Record' => $unsubscribeRecord,
                    'Member' => DataObject::get_by_id( 'Member', $unsubscribeRecord->MemberID )
                )); 
            }
        }
        
        return new DataObjectSet( $unsubscribedUsers );  
    }
    
    function setController($controller) {
		$this->controller = $controller;
	}
} 
?>