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<?php
/** \file
* \brief Contains code for the UserMerge Class (extends SpecialPage).
*/
/**
* Special page class for the User Merge and Delete extension
* allows sysops to merge references from one user to another user.
* It also supports deleting users following merge.
*
* @ingroup Extensions
* @author Tim Laqua <t.laqua@gmail.com>
* @author Thomas Gries <mail@tgries.de>
* @author Matthew April <Matthew.April@tbs-sct.gc.ca>
*
*/
class SpecialUserMerge extends FormSpecialPage {
function __construct() {
parent::__construct( 'UserMerge', 'usermerge' );
}
/**
* @return array
*/
protected function getFormFields() {
$us = $this;
return array(
'olduser' => array(
'type' => 'text',
'label-message' => 'usermerge-olduser',
'required' => true,
'validation-callback' => function( $val ) use ( $us ) {
$key = $us->validateOldUser( $val );
if ( is_string( $key ) || is_array( $key ) ) {
return $us->msg( $key )->escaped();
}
return true;
},
),
'newuser' => array(
'type' => 'text',
'required' => true,
'label-message' => 'usermerge-newuser',
'validation-callback' => function( $val ) use ( $us ) {
$key = $us->validateNewUser( $val );
if ( is_string( $key ) ) {
return $us->msg( $key )->escaped();
}
return true;
},
),
'delete' => array(
'type' => 'check',
'label-message' => 'usermerge-deleteolduser',
),
);
}
/**
* @param $val user's input for username
* @return bool|string true if valid, a string of the error's message key if validation failed
*/
public function validateOldUser( $val ) {
global $wgUserMergeProtectedGroups;
$oldUser = User::newFromName( $val );
if ( !$oldUser || $oldUser->getId() === 0 ) {
return 'usermerge-badolduser';
}
if ( $this->getUser()->getId() === $oldUser->getId() ) {
return array( 'usermerge-noselfdelete', $this->getUser()->getName() );
}
if ( count( array_intersect( $oldUser->getGroups(), $wgUserMergeProtectedGroups ) ) ) {
return array( 'usermerge-protectedgroup', $oldUser->getName() );
}
return true;
}
/**
* @param $val user's input for username
* @return bool|string true if valid, a string of the error's message key if validation failed
*/
public function validateNewUser( $val ) {
global $wgUserMergeEnableDelete;
if ( $wgUserMergeEnableDelete && $val === 'Anonymous' ) {
return true; // Special case
}
$newUser = User::newFromName( $val );
if ( !$newUser || $newUser->getId() === 0 ) {
return 'usermerge-badnewuser';
}
return true;
}
/**
* @param HTMLForm $form
*/
protected function alterForm( HTMLForm $form ) {
$form->setSubmitTextMsg( 'usermerge-submit' );
$form->setWrapperLegendMsg( 'usermerge-fieldset' );
}
/**
* @param array $data
* @return Status
*/
public function onSubmit( array $data ) {
global $wgUserMergeEnableDelete;
// Most of the data has been validated using callbacks
// still need to check if the users are different
$newUser = User::newFromName( $data['newuser'] );
// Handle "Anonymous" as a special case for user deletion
if ( $wgUserMergeEnableDelete && $data['newuser'] === 'Anonymous' ) {
$newUser->mId = 0;
}
$oldUser = User::newFromName( $data['olduser'] );
if ( $newUser->getName() === $oldUser->getName() ) {
return Status::newFatal( 'usermerge-same-old-and-new-user' );
}
// Validation passed, let's merge the user now.
$um = new MergeUser( $oldUser, $newUser, new UserMergeLogger() );
$um->merge( $this->getUser() );
$out = $this->getOutput();
$out->addWikiMsg(
'usermerge-success',
$oldUser->getName(), $oldUser->getId(),
$newUser->getName(), $newUser->getId()
);
if ( $data['delete'] ) {
$failed = $um->delete( $this->getUser(), array( $this, 'msg' ) );
$out->addWikiMsg(
'usermerge-userdeleted', $oldUser->getName(), $oldUser->getId()
);
if ( $failed ) {
// Output an error message for failed moves
$out->addHTML( Html::openElement( 'ul' ) );
foreach ( $failed as $oldTitleText => $newTitle ) {
$oldTitle = Title::newFromText( $oldTitleText );
$out->addHTML(
Html::rawElement( 'li', array(),
$this->msg( 'usermerge-page-unmoved' )->rawParams(
Linker::link( $oldTitle ),
Linker::link( $newTitle )
)->escaped()
)
);
}
$out->addHTML( Html::closeElement( 'ul' ) );
}
}
return Status::newGood();
}
}
/**
* Former class name, for backwards compatability
* @deprecated
*/
class UserMerge extends SpecialUserMerge {}
|
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