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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Search\SearchWidgets; |
| 4 | |
| 5 | use ISearchResultSet; |
| 6 | use MediaWiki\Html\Html; |
| 7 | use MediaWiki\Interwiki\InterwikiLookup; |
| 8 | use MediaWiki\Linker\LinkRenderer; |
| 9 | use MediaWiki\Output\OutputPage; |
| 10 | use MediaWiki\Specials\SpecialSearch; |
| 11 | use MediaWiki\Title\Title; |
| 12 | use OOUI; |
| 13 | |
| 14 | /** |
| 15 | * Renders one or more ISearchResultSets into a sidebar grouped by |
| 16 | * interwiki prefix. Includes a per-wiki header indicating where |
| 17 | * the results are from. |
| 18 | */ |
| 19 | class InterwikiSearchResultSetWidget implements SearchResultSetWidget { |
| 20 | /** @var SpecialSearch */ |
| 21 | protected $specialSearch; |
| 22 | /** @var SearchResultWidget */ |
| 23 | protected $resultWidget; |
| 24 | /** @var string[]|null */ |
| 25 | protected $customCaptions; |
| 26 | /** @var LinkRenderer */ |
| 27 | protected $linkRenderer; |
| 28 | /** @var InterwikiLookup */ |
| 29 | protected $iwLookup; |
| 30 | /** @var OutputPage */ |
| 31 | protected $output; |
| 32 | /** @var bool */ |
| 33 | protected $showMultimedia; |
| 34 | /** @var array */ |
| 35 | protected $iwLogoOverrides; |
| 36 | |
| 37 | public function __construct( |
| 38 | SpecialSearch $specialSearch, |
| 39 | SearchResultWidget $resultWidget, |
| 40 | LinkRenderer $linkRenderer, |
| 41 | InterwikiLookup $iwLookup, |
| 42 | $showMultimedia = false |
| 43 | ) { |
| 44 | $this->specialSearch = $specialSearch; |
| 45 | $this->resultWidget = $resultWidget; |
| 46 | $this->linkRenderer = $linkRenderer; |
| 47 | $this->iwLookup = $iwLookup; |
| 48 | $this->output = $specialSearch->getOutput(); |
| 49 | $this->showMultimedia = $showMultimedia; |
| 50 | $this->iwLogoOverrides = $this->specialSearch->getConfig()->get( 'InterwikiLogoOverride' ); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @param string $term User provided search term |
| 55 | * @param ISearchResultSet|ISearchResultSet[] $resultSets List of interwiki |
| 56 | * results to render. |
| 57 | * @return string HTML |
| 58 | */ |
| 59 | public function render( $term, $resultSets ) { |
| 60 | if ( !is_array( $resultSets ) ) { |
| 61 | $resultSets = [ $resultSets ]; |
| 62 | } |
| 63 | |
| 64 | $this->loadCustomCaptions(); |
| 65 | |
| 66 | if ( $this->showMultimedia ) { |
| 67 | $this->output->addModules( 'mediawiki.special.search.commonsInterwikiWidget' ); |
| 68 | } |
| 69 | $this->output->addModuleStyles( 'mediawiki.special.search.interwikiwidget.styles' ); |
| 70 | $this->output->addModuleStyles( 'oojs-ui.styles.icons-wikimedia' ); |
| 71 | |
| 72 | $iwResults = []; |
| 73 | foreach ( $resultSets as $resultSet ) { |
| 74 | foreach ( $resultSet as $result ) { |
| 75 | if ( !$result->isBrokenTitle() ) { |
| 76 | $iwResults[$result->getTitle()->getInterwiki()][] = $result; |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | $iwResultSetPos = 1; |
| 82 | $iwResultListOutput = ''; |
| 83 | |
| 84 | foreach ( $iwResults as $iwPrefix => $results ) { |
| 85 | // TODO: Assumes interwiki results are never paginated |
| 86 | $position = 0; |
| 87 | $iwResultItemOutput = ''; |
| 88 | |
| 89 | foreach ( $results as $result ) { |
| 90 | $iwResultItemOutput .= $this->resultWidget->render( $result, $position++ ); |
| 91 | } |
| 92 | |
| 93 | $headerHtml = $this->headerHtml( $term, $iwPrefix ); |
| 94 | $footerHtml = $this->footerHtml( $term, $iwPrefix ); |
| 95 | $iwResultListOutput .= Html::rawElement( 'li', |
| 96 | [ |
| 97 | 'class' => 'iw-resultset', |
| 98 | 'data-iw-resultset-pos' => $iwResultSetPos, |
| 99 | 'data-iw-resultset-source' => $iwPrefix |
| 100 | ], |
| 101 | |
| 102 | $headerHtml . |
| 103 | $iwResultItemOutput . |
| 104 | $footerHtml |
| 105 | ); |
| 106 | $iwResultSetPos++; |
| 107 | } |
| 108 | |
| 109 | return Html::rawElement( |
| 110 | 'div', |
| 111 | [ 'id' => 'mw-interwiki-results' ], |
| 112 | Html::rawElement( |
| 113 | 'ul', [ 'class' => 'iw-results', ], $iwResultListOutput |
| 114 | ) |
| 115 | ); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Generates an HTML header for the given interwiki prefix |
| 120 | * |
| 121 | * @param string $term User provided search term |
| 122 | * @param string $iwPrefix Interwiki prefix of wiki to show heading for |
| 123 | * @return string HTML |
| 124 | */ |
| 125 | protected function headerHtml( $term, $iwPrefix ) { |
| 126 | $href = Title::makeTitle( NS_SPECIAL, 'Search', '', $iwPrefix )->getLocalURL( |
| 127 | [ 'search' => $term, 'fulltext' => 1 ] |
| 128 | ); |
| 129 | |
| 130 | $interwiki = $this->iwLookup->fetch( $iwPrefix ); |
| 131 | $parsed = wfParseUrl( wfExpandUrl( $interwiki ? $interwiki->getURL() : '/' ) ); |
| 132 | |
| 133 | $caption = $this->customCaptions[$iwPrefix] ?? $parsed['host']; |
| 134 | |
| 135 | $searchLink = Html::rawElement( 'a', [ 'href' => $href, 'target' => '_blank' ], $caption ); |
| 136 | |
| 137 | return Html::rawElement( 'div', |
| 138 | [ 'class' => 'iw-result__header' ], |
| 139 | $this->iwIcon( $iwPrefix ) . $searchLink ); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Generates an HTML footer for the given interwiki prefix |
| 144 | * |
| 145 | * @param string $term User provided search term |
| 146 | * @param string $iwPrefix Interwiki prefix of wiki to show heading for |
| 147 | * @return string HTML |
| 148 | */ |
| 149 | protected function footerHtml( $term, $iwPrefix ) { |
| 150 | $href = Title::makeTitle( NS_SPECIAL, 'Search', '', $iwPrefix )->getLocalURL( |
| 151 | [ 'search' => $term, 'fulltext' => 1 ] |
| 152 | ); |
| 153 | |
| 154 | $interwiki = $this->iwLookup->fetch( $iwPrefix ); |
| 155 | $parsed = wfParseUrl( wfExpandUrl( $interwiki ? $interwiki->getURL() : '/' ) ); |
| 156 | |
| 157 | $caption = $this->specialSearch->msg( 'search-interwiki-resultset-link', $parsed['host'] )->escaped(); |
| 158 | |
| 159 | $searchLink = Html::rawElement( 'a', [ 'href' => $href, 'target' => '_blank' ], $caption ); |
| 160 | |
| 161 | return Html::rawElement( 'div', |
| 162 | [ 'class' => 'iw-result__footer' ], |
| 163 | $searchLink ); |
| 164 | } |
| 165 | |
| 166 | protected function loadCustomCaptions() { |
| 167 | if ( $this->customCaptions !== null ) { |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | $this->customCaptions = []; |
| 172 | $customLines = explode( "\n", $this->specialSearch->msg( 'search-interwiki-custom' )->escaped() ); |
| 173 | foreach ( $customLines as $line ) { |
| 174 | $parts = explode( ':', $line, 2 ); |
| 175 | if ( count( $parts ) === 2 ) { |
| 176 | $this->customCaptions[$parts[0]] = $parts[1]; |
| 177 | } |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Generates a custom OOUI icon element. |
| 183 | * These icons are either generated by fetching the interwiki favicon. |
| 184 | * or by using config 'InterwikiLogoOverrides'. |
| 185 | * |
| 186 | * @param string $iwPrefix Interwiki prefix |
| 187 | * @return OOUI\IconWidget |
| 188 | */ |
| 189 | protected function iwIcon( $iwPrefix ) { |
| 190 | $logoName = $this->generateLogoName( $iwPrefix ); |
| 191 | // If the value is an URL we use the favicon |
| 192 | if ( filter_var( $logoName, FILTER_VALIDATE_URL ) || $logoName === "/" ) { |
| 193 | return $this->generateIconFromFavicon( $logoName ); |
| 194 | } |
| 195 | |
| 196 | $iwIcon = new OOUI\IconWidget( [ |
| 197 | 'icon' => $logoName |
| 198 | ] ); |
| 199 | |
| 200 | return $iwIcon; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Generates the logo name used to render the interwiki icon. |
| 205 | * The logo name can be defined in two ways: |
| 206 | * 1) The logo is generated using interwiki getURL to fetch the site favicon |
| 207 | * 2) The logo name is defined using config `wgInterwikiLogoOverride`. This accept |
| 208 | * Codex icon names and URLs. |
| 209 | * |
| 210 | * @param string $prefix Interwiki prefix |
| 211 | * @return string logoName |
| 212 | */ |
| 213 | protected function generateLogoName( $prefix ) { |
| 214 | $logoOverridesKeys = array_keys( $this->iwLogoOverrides ); |
| 215 | if ( in_array( $prefix, $logoOverridesKeys ) ) { |
| 216 | return $this->iwLogoOverrides[ $prefix ]; |
| 217 | } |
| 218 | |
| 219 | $interwiki = $this->iwLookup->fetch( $prefix ); |
| 220 | return $interwiki ? $interwiki->getURL() : '/'; |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Fetches the favicon of the provided URL. |
| 225 | * |
| 226 | * @param string $logoUrl |
| 227 | * @return OOUI\IconWidget |
| 228 | */ |
| 229 | protected function generateIconFromFavicon( $logoUrl ) { |
| 230 | $parsed = wfParseUrl( wfExpandUrl( $logoUrl ) ); |
| 231 | $iwIconUrl = $parsed['scheme'] . |
| 232 | $parsed['delimiter'] . |
| 233 | $parsed['host'] . |
| 234 | ( isset( $parsed['port'] ) ? ':' . $parsed['port'] : '' ) . |
| 235 | '/favicon.ico'; |
| 236 | |
| 237 | $iwIcon = new OOUI\IconWidget( [ |
| 238 | 'icon' => 'favicon' |
| 239 | ] ); |
| 240 | |
| 241 | return $iwIcon->setAttributes( [ 'style' => "background-image:url($iwIconUrl);" ] ); |
| 242 | } |
| 243 | } |