MediaWiki  master
SpecialUnusedTemplates.php
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1 <?php
29 
36 
38  private $linksMigration;
39 
44  public function __construct(
47  ) {
48  parent::__construct( 'Unusedtemplates' );
49  $this->setDBLoadBalancer( $loadBalancer );
50  $this->linksMigration = $linksMigration;
51  }
52 
53  public function isExpensive() {
54  return true;
55  }
56 
57  public function isSyndicated() {
58  return false;
59  }
60 
61  protected function sortDescending() {
62  return false;
63  }
64 
65  protected function getOrderFields() {
66  return [ 'title' ];
67  }
68 
69  public function getQueryInfo() {
70  $queryInfo = $this->linksMigration->getQueryInfo(
71  'templatelinks',
72  'templatelinks',
73  'LEFT JOIN'
74  );
75  list( $ns, $title ) = $this->linksMigration->getTitleFields( 'templatelinks' );
76  $joinConds = [];
77  $templatelinksJoin = [
78  'LEFT JOIN', [ "$title = page_title",
79  "$ns = page_namespace" ] ];
80  if ( in_array( 'linktarget', $queryInfo['tables'] ) ) {
81  $joinConds['linktarget'] = $templatelinksJoin;
82  } else {
83  $joinConds['templatelinks'] = $templatelinksJoin;
84  }
85  return [
86  'tables' => array_merge( $queryInfo['tables'], [ 'page' ] ),
87  'fields' => [
88  'namespace' => 'page_namespace',
89  'title' => 'page_title',
90  ],
91  'conds' => [
92  'page_namespace' => NS_TEMPLATE,
93  'tl_from IS NULL',
94  'page_is_redirect' => 0
95  ],
96  'join_conds' => array_merge( $joinConds, $queryInfo['joins'] )
97  ];
98  }
99 
100  public function preprocessResults( $db, $res ) {
102  }
103 
109  public function formatResult( $skin, $result ) {
110  $linkRenderer = $this->getLinkRenderer();
111  $title = Title::makeTitle( NS_TEMPLATE, $result->title );
112  $pageLink = $linkRenderer->makeKnownLink(
113  $title,
114  null,
115  [],
116  [ 'redirect' => 'no' ]
117  );
118  $wlhLink = $linkRenderer->makeKnownLink(
119  SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() ),
120  $this->msg( 'unusedtemplateswlh' )->text()
121  );
122 
123  return $this->getLanguage()->specialList( $pageLink, $wlhLink );
124  }
125 
126  protected function getPageHeader() {
127  return $this->msg( 'unusedtemplatestext' )->parseAsBlock();
128  }
129 
130  protected function getGroupName() {
131  return 'maintenance';
132  }
133 }
const NS_TEMPLATE
Definition: Defines.php:74
Service for compat reading of links tables.
This is a class for doing query pages; since they're almost all the same, we factor out some of the f...
Definition: QueryPage.php:42
executeLBFromResultWrapper(IResultWrapper $res, $ns=null)
Creates a new LinkBatch object, adds all pages from the passed result wrapper (MUST include title and...
Definition: QueryPage.php:877
setDBLoadBalancer(ILoadBalancer $loadBalancer)
Definition: QueryPage.php:895
ILoadBalancer null $loadBalancer
Definition: QueryPage.php:72
static getTitleFor( $name, $subpage=false, $fragment='')
Get a localised Title object for a specified special page name If you don't need a full Title object,...
LinkRenderer null $linkRenderer
Definition: SpecialPage.php:81
msg( $key,... $params)
Wrapper around wfMessage that sets the current context.
getLanguage()
Shortcut to get user's language.
A special page that lists unused templates.
sortDescending()
Override to sort by increasing values.
__construct(ILoadBalancer $loadBalancer, LinksMigration $linksMigration)
getQueryInfo()
Subclasses return an SQL query here, formatted as an array with the following keys: tables => Table(s...
isSyndicated()
Sometimes we don't want to build rss / atom feeds.
getPageHeader()
The content returned by this function will be output before any result.
preprocessResults( $db, $res)
Do any necessary preprocessing of the result object.
getGroupName()
Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-gro...
getOrderFields()
Subclasses return an array of fields to order by here.
isExpensive()
Is this query expensive (for some definition of expensive)? Then we don't let it run in miser mode.
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:638
Database cluster connection, tracking, load balancing, and transaction manager interface.