MediaWiki  master
deleteDefaultMessages.php
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1 <?php
25 require_once __DIR__ . '/Maintenance.php';
26 
34  public function __construct() {
35  parent::__construct();
36  $this->addDescription( 'Deletes all pages in the MediaWiki namespace' .
37  ' which were last edited by "MediaWiki default"' );
38  $this->addOption( 'dry-run', 'Perform a dry run, delete nothing' );
39  }
40 
41  public function execute() {
42  global $wgUser;
43 
44  $this->output( "Checking existence of old default messages..." );
45  $dbr = $this->getDB( DB_REPLICA );
46 
47  $actorQuery = ActorMigration::newMigration()
48  ->getWhere( $dbr, 'rev_user', User::newFromName( 'MediaWiki default' ) );
49  $res = $dbr->select(
50  [ 'page', 'revision' ] + $actorQuery['tables'],
51  [ 'page_namespace', 'page_title' ],
52  [
53  'page_namespace' => NS_MEDIAWIKI,
54  $actorQuery['conds'],
55  ],
56  __METHOD__,
57  [],
58  [ 'revision' => [ 'JOIN', 'page_latest=rev_id' ] ] + $actorQuery['joins']
59  );
60 
61  if ( $dbr->numRows( $res ) == 0 ) {
62  // No more messages left
63  $this->output( "done.\n" );
64  return;
65  }
66 
67  $dryrun = $this->hasOption( 'dry-run' );
68  if ( $dryrun ) {
69  foreach ( $res as $row ) {
70  $title = Title::makeTitle( $row->page_namespace, $row->page_title );
71  $this->output( "\n* [[$title]]" );
72  }
73  $this->output( "\n\nRun again without --dry-run to delete these pages.\n" );
74  return;
75  }
76 
77  // Deletions will be made by $user temporarly added to the bot group
78  // in order to hide it in RecentChanges.
79  $user = User::newSystemUser( 'MediaWiki default', [ 'steal' => true ] );
80  if ( !$user ) {
81  $this->fatalError( "Invalid username" );
82  }
83  $user->addGroup( 'bot' );
84  $wgUser = $user;
85 
86  // Handle deletion
87  $this->output( "\n...deleting old default messages (this may take a long time!)...", 'msg' );
88  $dbw = $this->getDB( DB_MASTER );
89 
90  foreach ( $res as $row ) {
92  $dbw->ping();
93  $title = Title::makeTitle( $row->page_namespace, $row->page_title );
94  $page = WikiPage::factory( $title );
95  $error = ''; // Passed by ref
96  // FIXME: Deletion failures should be reported, not silently ignored.
97  $page->doDeleteArticle( 'No longer required', false, 0, true, $error, $user );
98  }
99 
100  $this->output( "done!\n", 'msg' );
101  }
102 }
103 
104 $maintClass = DeleteDefaultMessages::class;
105 require_once RUN_MAINTENANCE_IF_MAIN;
RUN_MAINTENANCE_IF_MAIN
const RUN_MAINTENANCE_IF_MAIN
Definition: Maintenance.php:41
Maintenance\fatalError
fatalError( $msg, $exitCode=1)
Output a message and terminate the current script.
Definition: Maintenance.php:510
Maintenance\addDescription
addDescription( $text)
Set the description text.
Definition: Maintenance.php:354
DeleteDefaultMessages
Maintenance script that deletes all pages in the MediaWiki namespace which were last edited by "Media...
Definition: deleteDefaultMessages.php:33
User\newFromName
static newFromName( $name, $validate='valid')
Static factory method for creation from username.
Definition: User.php:537
Maintenance
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
Definition: Maintenance.php:88
$res
$res
Definition: testCompression.php:54
wfWaitForSlaves
wfWaitForSlaves( $ifWritesSince=null, $wiki=false, $cluster=false, $timeout=null)
Waits for the replica DBs to catch up to the master position.
Definition: GlobalFunctions.php:2707
ActorMigration\newMigration
static newMigration()
Static constructor.
Definition: ActorMigration.php:139
$dbr
$dbr
Definition: testCompression.php:52
User\newSystemUser
static newSystemUser( $name, $options=[])
Static factory method for creation of a "system" user from username.
Definition: User.php:759
WikiPage\factory
static factory(Title $title)
Create a WikiPage object of the appropriate class for the given title.
Definition: WikiPage.php:143
Maintenance\addOption
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
Definition: Maintenance.php:273
$title
$title
Definition: testCompression.php:36
Title\makeTitle
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:602
DB_REPLICA
const DB_REPLICA
Definition: defines.php:25
DB_MASTER
const DB_MASTER
Definition: defines.php:26
Maintenance\getDB
getDB( $db, $groups=[], $dbDomain=false)
Returns a database to be used by current maintenance script.
Definition: Maintenance.php:1409
DeleteDefaultMessages\execute
execute()
Do the actual work.
Definition: deleteDefaultMessages.php:41
$maintClass
$maintClass
Definition: deleteDefaultMessages.php:104
Maintenance\output
output( $out, $channel=null)
Throw some output to the user.
Definition: Maintenance.php:459
NS_MEDIAWIKI
const NS_MEDIAWIKI
Definition: Defines.php:68
Maintenance\hasOption
hasOption( $name)
Checks to see if a particular option exists.
Definition: Maintenance.php:294
DeleteDefaultMessages\__construct
__construct()
Default constructor.
Definition: deleteDefaultMessages.php:34