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1 | <?php |
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2 | /** |
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3 | * Implements Special:Mostcategories |
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4 | * |
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5 | * Copyright © 2005 Ævar Arnfjörð Bjarmason |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or modify |
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8 | * it under the terms of the GNU General Public License as published by |
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9 | * the Free Software Foundation; either version 2 of the License, or |
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10 | * (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License along |
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18 | * with this program; if not, write to the Free Software Foundation, Inc., |
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19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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20 | * http://www.gnu.org/copyleft/gpl.html |
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21 | * |
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22 | * @file |
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23 | * @ingroup SpecialPage |
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24 | * @author Ævar Arnfjörð Bjarmason <[email protected]> |
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25 | */ |
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26 | |||
27 | /** |
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28 | * A special page that list pages that have highest category count |
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29 | * |
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30 | * @ingroup SpecialPage |
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31 | */ |
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32 | View Code Duplication | class MostcategoriesPage extends QueryPage { |
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33 | function __construct( $name = 'Mostcategories' ) { |
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34 | parent::__construct( $name ); |
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35 | } |
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36 | |||
37 | public function isExpensive() { |
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38 | return true; |
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39 | } |
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40 | |||
41 | function isSyndicated() { |
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42 | return false; |
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43 | } |
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44 | |||
45 | public function getQueryInfo() { |
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46 | return [ |
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47 | 'tables' => [ 'categorylinks', 'page' ], |
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48 | 'fields' => [ |
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49 | 'namespace' => 'page_namespace', |
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50 | 'title' => 'page_title', |
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51 | 'value' => 'COUNT(*)' |
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52 | ], |
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53 | 'conds' => [ 'page_namespace' => MWNamespace::getContentNamespaces() ], |
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54 | 'options' => [ |
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55 | 'HAVING' => 'COUNT(*) > 1', |
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56 | 'GROUP BY' => [ 'page_namespace', 'page_title' ] |
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57 | ], |
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58 | 'join_conds' => [ |
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59 | 'page' => [ |
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60 | 'LEFT JOIN', |
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61 | 'page_id = cl_from' |
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62 | ] |
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63 | ] |
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64 | ]; |
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65 | } |
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66 | |||
67 | /** |
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68 | * @param IDatabase $db |
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69 | * @param ResultWrapper $res |
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70 | */ |
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71 | function preprocessResults( $db, $res ) { |
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72 | # There's no point doing a batch check if we aren't caching results; |
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73 | # the page must exist for it to have been pulled out of the table |
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74 | if ( !$this->isCached() || !$res->numRows() ) { |
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75 | return; |
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76 | } |
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77 | |||
78 | $batch = new LinkBatch(); |
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79 | foreach ( $res as $row ) { |
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80 | $batch->add( $row->namespace, $row->title ); |
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81 | } |
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82 | $batch->execute(); |
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83 | |||
84 | $res->seek( 0 ); |
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85 | } |
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86 | |||
87 | /** |
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88 | * @param Skin $skin |
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89 | * @param object $result Result row |
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90 | * @return string |
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91 | */ |
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92 | function formatResult( $skin, $result ) { |
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93 | $title = Title::makeTitleSafe( $result->namespace, $result->title ); |
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94 | if ( !$title ) { |
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95 | return Html::element( |
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96 | 'span', |
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97 | [ 'class' => 'mw-invalidtitle' ], |
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98 | Linker::getInvalidTitleDescription( |
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99 | $this->getContext(), |
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100 | $result->namespace, |
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101 | $result->title |
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102 | ) |
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103 | ); |
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104 | } |
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105 | |||
106 | if ( $this->isCached() ) { |
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107 | $link = Linker::link( $title ); |
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108 | } else { |
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109 | $link = Linker::linkKnown( $title ); |
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110 | } |
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111 | |||
112 | $count = $this->msg( 'ncategories' )->numParams( $result->value )->escaped(); |
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113 | |||
114 | return $this->getLanguage()->specialList( $link, $count ); |
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115 | } |
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116 | |||
117 | protected function getGroupName() { |
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118 | return 'highuse'; |
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119 | } |
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120 | } |
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121 |
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.