MediaWiki  master
SpecialMostCategories.php
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1 <?php
31 
38 
40  private $namespaceInfo;
41 
47  public function __construct(
48  NamespaceInfo $namespaceInfo,
49  ILoadBalancer $loadBalancer,
50  LinkBatchFactory $linkBatchFactory
51  ) {
52  parent::__construct( 'Mostcategories' );
53  $this->namespaceInfo = $namespaceInfo;
54  $this->setDBLoadBalancer( $loadBalancer );
55  $this->setLinkBatchFactory( $linkBatchFactory );
56  }
57 
58  public function isExpensive() {
59  return true;
60  }
61 
62  public function isSyndicated() {
63  return false;
64  }
65 
66  public function getQueryInfo() {
67  return [
68  'tables' => [ 'categorylinks', 'page' ],
69  'fields' => [
70  'namespace' => 'page_namespace',
71  'title' => 'page_title',
72  'value' => 'COUNT(*)'
73  ],
74  'conds' => [
75  'page_namespace' => $this->namespaceInfo->getContentNamespaces()
76  ],
77  'options' => [
78  'HAVING' => 'COUNT(*) > 1',
79  'GROUP BY' => [ 'page_namespace', 'page_title' ]
80  ],
81  'join_conds' => [
82  'page' => [
83  'LEFT JOIN',
84  'page_id = cl_from'
85  ]
86  ]
87  ];
88  }
89 
94  public function preprocessResults( $db, $res ) {
96  }
97 
103  public function formatResult( $skin, $result ) {
104  $title = Title::makeTitleSafe( $result->namespace, $result->title );
105  if ( !$title ) {
106  return Html::element(
107  'span',
108  [ 'class' => 'mw-invalidtitle' ],
110  $this->getContext(),
111  $result->namespace,
112  $result->title
113  )
114  );
115  }
116 
117  $linkRenderer = $this->getLinkRenderer();
118  if ( $this->isCached() ) {
119  $link = $linkRenderer->makeLink( $title );
120  } else {
121  $link = $linkRenderer->makeKnownLink( $title );
122  }
123 
124  $count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped();
125 
126  return $this->getLanguage()->specialList( $link, $count );
127  }
128 
129  protected function getGroupName() {
130  return 'highuse';
131  }
132 }
static element( $element, $attribs=[], $contents='')
Identical to rawElement(), but HTML-escapes $contents (like Xml::element()).
Definition: Html.php:236
static getInvalidTitleDescription(IContextSource $context, $namespace, $title)
Get a message saying that an invalid title was encountered.
Definition: Linker.php:188
This is a utility class for dealing with namespaces that encodes all the "magic" behaviors of them ba...
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:898
setDBLoadBalancer(ILoadBalancer $loadBalancer)
Definition: QueryPage.php:916
isCached()
Whether or not the output of the page in question is retrieved from the database cache.
Definition: QueryPage.php:311
setLinkBatchFactory(LinkBatchFactory $linkBatchFactory)
Definition: QueryPage.php:136
A special page that list pages that have highest category count.
isExpensive()
Should this query page only be updated offline on large wikis?
getQueryInfo()
Subclasses return an SQL query here, formatted as an array with the following keys: tables => Table(s...
getGroupName()
Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-gro...
isSyndicated()
Sometimes we don't want to build rss / atom feeds.
__construct(NamespaceInfo $namespaceInfo, ILoadBalancer $loadBalancer, LinkBatchFactory $linkBatchFactory)
getContext()
Gets the context this SpecialPage is executed in.
msg( $key,... $params)
Wrapper around wfMessage that sets the current context.
getLanguage()
Shortcut to get user's language.
static makeTitleSafe( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:667
Basic database interface for live and lazy-loaded relation database handles.
Definition: IDatabase.php:40
Create and track the database connections and transactions for a given database cluster.
Result wrapper for grabbing data queried from an IDatabase object.