mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-09-07 10:11:10 +02:00
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@40811 467b73ca-7a2a-4603-9d3b-597d59a354a9
181 lines
6.3 KiB
PHP
Executable File
181 lines
6.3 KiB
PHP
Executable File
<?php
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/**
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* Create a form that a user can use to unsubscribe from a mailing list
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*/
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class Unsubscribe_Controller extends Page_Controller {
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function __construct($data = null) {
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}
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function RelativeLink($action = null) {
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return "unsubscribe/$action";
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}
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function index() {
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Session::clear("loggedInAs");
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Requirements::themedCSS("form");
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// if the email address is given
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$emailAddress = addslashes( $this->urlParams['Email'] );
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$mailingListID = addslashes( $this->urlParams['MailingList'] );
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if(is_numeric($mailingListID)) {
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$mailingList = DataObject::get_by_id("NewsletterType", $mailingListID);
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}
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// try to find the user
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if($emailAddress)
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$member = DataObject::get_one( 'Member', "`Email`='$emailAddress'" );
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// if the email address and mailing list is given in the URL and both are valid,
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// then unsubscribe the user
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if( $member && $mailingList && $member->inGroup( $mailingList->GroupID ) ) {
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$this->unsubscribeFromList( $member, $mailingList );
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$url = "unsubscribe"."/done/".$member->Email."/".$mailingList->Title;
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Director::redirect($url);
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} elseif( $member ) {
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$listForm = $this->MailingListForm( $member );
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} else {
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$listForm = $this->EmailAddressForm();
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}
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if($this->urlParams['Email'] == "done")
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$listForm->sessionMessage("Thank you. You have been removed from the selected groups", "good");
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return $this->customise( array( 'Content' => $listForm->forTemplate() ) )->renderWith('Page');
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}
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/**
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* Display a form with all the mailing lists that the user is subscribed to
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*/
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function MailingListForm( $member = null ) {
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$email = $this->urlParams['Email'];
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return new Unsubscribe_MailingListForm($this, 'MailingListForm', $member, $email);
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}
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/**
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* Display a form allowing the user to input their email address
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*/
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function EmailAddressForm() {
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return new Unsubscribe_EmailAddressForm( $this, 'EmailAddressForm' );
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}
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/**
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* Show the lists for the user with the given email address
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*/
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function showlists( $data, $form ) {
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$member = DataObject::get_one( 'Member', "`Email`='{$data['Email']}'" );
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$mailingListForm = new Unsubscribe_MailingListForm( $this, 'MailingListForm', $member, $data['Email']);
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return $this->customise( array( 'Content' => $mailingListForm->forTemplate() ) )->renderWith('Page');
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}
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/**
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* Unsubscribe the user from the given lists.
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*/
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function unsubscribe($data, $form) {
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$email = $this->urlParams['Email'];
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$member = DataObject::get_one( 'Member', "`Email`='$email'" );
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if(!$member){
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$member = DataObject::get_one('Member', "`EmailAddress` = '$email'");
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}
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if( $data['MailingLists'] ) {
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foreach( array_keys( $data['MailingLists'] ) as $listID ){
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$nlType = DataObject::get_by_id( 'NewsletterType', $listID );
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$nlTypeTitles[]= $nlType->Title;
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$this->unsubscribeFromList( $member, DataObject::get_by_id( 'NewsletterType', $listID ) );
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}
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$sORp = (sizeof($nlTypeTitles)>1)?"newsletters ":"newsletter ";
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//means single or plural
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$nlTypeTitles = $sORp.implode(", ", $nlTypeTitles);
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$url = "unsubscribe/done/".$member->Email."/".$nlTypeTitles;
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Director::redirect($url);
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} else {
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$form->addErrorMessage('MailingLists', 'You need to select at least one mailing list to unsubscribe from.', 'bad');
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Director::redirectBack();
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}
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}
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protected function unsubscribeFromList( $member, $list ) {
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// track unsubscriptions
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$member->Groups()->remove( $list->GroupID );
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$unsubscribeRecord = new Member_UnsubscribeRecord();
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$unsubscribeRecord->unsubscribe($member, $list);
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}
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}
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class Unsubscribe_MailingListForm extends Form {
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protected $memberEmail;
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function __construct( $controller, $name, $member, $email ) {
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$this->memberEmail = $member->Email;
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$fields = new FieldSet();
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$actions = new FieldSet();
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// get all the mailing lists for this user
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$lists = $this->getMailingLists( $member );
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if( $lists ) {
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$fields->push( new LabelField( 'You are subscribed to the following lists:' ) );
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foreach( $lists as $list ) {
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$fields->push( new CheckboxField( "MailingLists[{$list->ID}]", $list->Title ) );
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}
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$actions->push( new FormAction('unsubscribe', 'Unsubscribe' ) );
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} else {
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$fields->push( new LabelField( "I'm sorry, but $email doesn't appear to be in any of our mailing lists." ) );
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}
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parent::__construct( $controller, $name, $fields, $actions );
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}
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function FormAction() {
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return $this->controller->Link() . "{$this->memberEmail}?executeForm=" . $this->name;
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}
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protected function getMailingLists( $member ) {
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// get all the newsletter types that the member is subscribed to
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return DataObject::get( 'NewsletterType', "`MemberID`='{$member->ID}'", null, "LEFT JOIN `Group_Members` USING(`GroupID`)" );
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}
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}
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class Unsubscribe_EmailAddressForm extends Form {
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function __construct( $controller, $name ) {
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$fields = new FieldSet(
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new EmailField( 'Email', 'Email address' )
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);
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$actions = new FieldSet(
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new FormAction( 'showlists', 'Show lists' )
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);
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parent::__construct( $controller, $name, $fields, $actions );
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}
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function FormAction() {
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return parent::FormAction() . ( $_REQUEST['showqueries'] ? '&showqueries=1' : '' );
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}
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}
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class Unsubscribe_Successful extends Form {
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function __construct($controller, $name){
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$fields = new FieldSet();
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$actions = new FieldSet();
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parent::__construct($controller, $name, $fields, $actions);
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}
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function setSuccessfulMessage($email, $newsletterTypes) {
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Requirements::themedCSS("form");
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$this->setMessage("Thank you. $email will no longer receive the $newsletterTypes.", "good");
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}
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}
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?>
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