* Special handling for category description pages
* Modelled after ImagePage.php
*
- * @package MediaWiki
*/
-if ( $wgCategoryMagicGallery )
- require_once('ImageGallery.php');
+if( !defined( 'MEDIAWIKI' ) )
+ die( 1 );
/**
- * @package MediaWiki
*/
class CategoryPage extends Article {
-
function view() {
+ global $wgRequest, $wgUser;
+
+ $diff = $wgRequest->getVal( 'diff' );
+ $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
+
+ if ( isset( $diff ) && $diffOnly )
+ return Article::view();
+
+ if(!wfRunHooks('CategoryPageView', array(&$this))) return;
+
if ( NS_CATEGORY == $this->mTitle->getNamespace() ) {
$this->openShowCategory();
}
Article::view();
-
+
# If the article we've just shown is in the "Image" namespace,
# follow it with the history list and link list for the image
# it describes.
}
}
+ /**
+ * This page should not be cached if 'from' or 'until' has been used
+ * @return bool
+ */
+ function isFileCacheable() {
+ global $wgRequest;
+
+ return ( ! Article::isFileCacheable()
+ || $wgRequest->getVal( 'from' )
+ || $wgRequest->getVal( 'until' )
+ ) ? false : true;
+ }
+
function openShowCategory() {
# For overloading
}
-
- # generate a list of subcategories and pages for a category
- # depending on wfMsg("usenewcategorypage") it either calls the new
- # or the old code. The new code will not work properly for some
- # languages due to sorting issues, so they might want to turn it
- # off.
function closeShowCategory() {
- global $wgOut;
- $msg = wfMsg('usenewcategorypage');
- if ( '0' == @$msg[0] )
- {
- $wgOut->addHTML( $this->oldCategoryMagic() );
+ global $wgOut, $wgRequest;
+ $from = $wgRequest->getVal( 'from' );
+ $until = $wgRequest->getVal( 'until' );
+
+ $viewer = new CategoryViewer( $this->mTitle, $from, $until );
+ $wgOut->addHTML( $viewer->getHTML() );
+ }
+}
+
+class CategoryViewer {
+ var $title, $limit, $from, $until,
+ $articles, $articles_start_char,
+ $children, $children_start_char,
+ $showGallery, $gallery,
+ $skin;
+
+ function __construct( $title, $from = '', $until = '' ) {
+ global $wgCategoryPagingLimit;
+ $this->title = $title;
+ $this->from = $from;
+ $this->until = $until;
+ $this->limit = $wgCategoryPagingLimit;
+ }
+
+ /**
+ * Format the category data list.
+ *
+ * @param string $from -- return only sort keys from this item on
+ * @param string $until -- don't return keys after this point.
+ * @return string HTML output
+ * @private
+ */
+ function getHTML() {
+ global $wgOut, $wgCategoryMagicGallery, $wgCategoryPagingLimit;
+ wfProfileIn( __METHOD__ );
+
+ $this->showGallery = $wgCategoryMagicGallery && !$wgOut->mNoGallery;
+
+ $this->clearCategoryState();
+ $this->doCategoryQuery();
+ $this->finaliseCategoryState();
+
+ $r = $this->getCategoryTop() .
+ $this->getSubcategorySection() .
+ $this->getPagesSection() .
+ $this->getImageSection() .
+ $this->getCategoryBottom();
+
+ // Give a proper message if category is empty
+ if ( $r == '' ) {
+ $r = wfMsgExt( 'category-empty', array( 'parse' ) );
+ }
+
+ wfProfileOut( __METHOD__ );
+ return $r;
+ }
+
+ function clearCategoryState() {
+ $this->articles = array();
+ $this->articles_start_char = array();
+ $this->children = array();
+ $this->children_start_char = array();
+ if( $this->showGallery ) {
+ $this->gallery = new ImageGallery();
+ $this->gallery->setHideBadImages();
+ }
+ }
+
+ function getSkin() {
+ if ( !$this->skin ) {
+ global $wgUser;
+ $this->skin = $wgUser->getSkin();
+ }
+ return $this->skin;
+ }
+
+ /**
+ * Add a subcategory to the internal lists
+ */
+ function addSubcategory( $title, $sortkey, $pageLength ) {
+ global $wgContLang;
+ // Subcategory; strip the 'Category' namespace from the link text.
+ $this->children[] = $this->getSkin()->makeKnownLinkObj(
+ $title, $wgContLang->convertHtml( $title->getText() ) );
+
+ $this->children_start_char[] = $this->getSubcategorySortChar( $title, $sortkey );
+ }
+
+ /**
+ * Get the character to be used for sorting subcategories.
+ * If there's a link from Category:A to Category:B, the sortkey of the resulting
+ * entry in the categorylinks table is Category:A, not A, which it SHOULD be.
+ * Workaround: If sortkey == "Category:".$title, than use $title for sorting,
+ * else use sortkey...
+ */
+ function getSubcategorySortChar( $title, $sortkey ) {
+ global $wgContLang;
+
+ if( $title->getPrefixedText() == $sortkey ) {
+ $firstChar = $wgContLang->firstChar( $title->getDBkey() );
} else {
- $wgOut->addHTML( $this->newCategoryMagic() );
+ $firstChar = $wgContLang->firstChar( $sortkey );
+ }
+
+ return $wgContLang->convert( $firstChar );
+ }
+
+ /**
+ * Add a page in the image namespace
+ */
+ function addImage( Title $title, $sortkey, $pageLength, $isRedirect = false ) {
+ if ( $this->showGallery ) {
+ $image = new Image( $title );
+ if( $this->flip ) {
+ $this->gallery->insert( $image );
+ } else {
+ $this->gallery->add( $image );
+ }
+ } else {
+ $this->addPage( $title, $sortkey, $pageLength, $isRedirect );
+ }
+ }
+
+ /**
+ * Add a miscellaneous page
+ */
+ function addPage( $title, $sortkey, $pageLength, $isRedirect = false ) {
+ global $wgContLang;
+ $this->articles[] = $isRedirect
+ ? '<span class="redirect-in-category">' . $this->getSkin()->makeKnownLinkObj( $title ) . '</span>'
+ : $this->getSkin()->makeSizeLinkObj( $pageLength, $title );
+ $this->articles_start_char[] = $wgContLang->convert( $wgContLang->firstChar( $sortkey ) );
+ }
+
+ function finaliseCategoryState() {
+ if( $this->flip ) {
+ $this->children = array_reverse( $this->children );
+ $this->children_start_char = array_reverse( $this->children_start_char );
+ $this->articles = array_reverse( $this->articles );
+ $this->articles_start_char = array_reverse( $this->articles_start_char );
}
}
- # This method generates the list of subcategories and pages for a category
- function oldCategoryMagic () {
- global $wgContLang, $wgUser ;
- $fname = 'CategoryPage::oldCategoryMagic';
+ function doCategoryQuery() {
+ $dbr = wfGetDB( DB_SLAVE );
+ if( $this->from != '' ) {
+ $pageCondition = 'cl_sortkey >= ' . $dbr->addQuotes( $this->from );
+ $this->flip = false;
+ } elseif( $this->until != '' ) {
+ $pageCondition = 'cl_sortkey < ' . $dbr->addQuotes( $this->until );
+ $this->flip = true;
+ } else {
+ $pageCondition = '1 = 1';
+ $this->flip = false;
+ }
+ $res = $dbr->select(
+ array( 'page', 'categorylinks' ),
+ array( 'page_title', 'page_namespace', 'page_len', 'page_is_redirect', 'cl_sortkey' ),
+ array( $pageCondition,
+ 'cl_from = page_id',
+ 'cl_to' => $this->title->getDBKey()),
+ #'page_is_redirect' => 0),
+ #+ $pageCondition,
+ __METHOD__,
+ array( 'ORDER BY' => $this->flip ? 'cl_sortkey DESC' : 'cl_sortkey',
+ 'USE INDEX' => 'cl_sortkey',
+ 'LIMIT' => $this->limit + 1 ) );
+
+ $count = 0;
+ $this->nextPage = null;
+ while( $x = $dbr->fetchObject ( $res ) ) {
+ if( ++$count > $this->limit ) {
+ // We've reached the one extra which shows that there are
+ // additional pages to be had. Stop here...
+ $this->nextPage = $x->cl_sortkey;
+ break;
+ }
+
+ $title = Title::makeTitle( $x->page_namespace, $x->page_title );
+
+ if( $title->getNamespace() == NS_CATEGORY ) {
+ $this->addSubcategory( $title, $x->cl_sortkey, $x->page_len );
+ } elseif( $this->showGallery && $title->getNamespace() == NS_IMAGE ) {
+ $this->addImage( $title, $x->cl_sortkey, $x->page_len, $x->page_is_redirect );
+ } else {
+ $this->addPage( $title, $x->cl_sortkey, $x->page_len, $x->page_is_redirect );
+ }
+ }
+ $dbr->freeResult( $res );
+ }
+ function getCategoryTop() {
+ $r = '';
+ if( $this->until != '' ) {
+ $r .= $this->pagingLinks( $this->title, $this->nextPage, $this->until, $this->limit );
+ } elseif( $this->nextPage != '' || $this->from != '' ) {
+ $r .= $this->pagingLinks( $this->title, $this->from, $this->nextPage, $this->limit );
+ }
+ return $r == ''
+ ? $r
+ : "<br style=\"clear:both;\"/>\n" . $r;
+ }
- $sk =& $wgUser->getSkin() ;
+ function getSubcategorySection() {
+ # Don't show subcategories section if there are none.
+ $r = '';
+ $c = count( $this->children );
+ if( $c > 0 ) {
+ # Showing subcategories
+ $r .= "<div id=\"mw-subcategories\">\n";
+ $r .= '<h2>' . wfMsg( 'subcategories' ) . "</h2>\n";
+ $r .= wfMsgExt( 'subcategorycount', array( 'parse' ), $c );
+ $r .= $this->formatList( $this->children, $this->children_start_char );
+ $r .= "\n</div>";
+ }
+ return $r;
+ }
- $articles = array() ;
- $children = array() ;
+ function getPagesSection() {
+ $ti = htmlspecialchars( $this->title->getText() );
+ # Don't show articles section if there are none.
$r = '';
- $id = $this->mTitle->getArticleID() ;
-
- # FIXME: add limits
- $dbr =& wfGetDB( DB_SLAVE );
- $cur = $dbr->tableName( 'cur' );
- $categorylinks = $dbr->tableName( 'categorylinks' );
-
- $t = $dbr->strencode( $this->mTitle->getDBKey() );
- $sql = "SELECT DISTINCT cur_title,cur_namespace FROM $cur,$categorylinks " .
- "WHERE cl_to='$t' AND cl_from=cur_id AND cur_is_redirect=0 ORDER BY cl_sortkey" ;
- $res = $dbr->query( $sql, $fname ) ;
- # For all pages that link to this category
- while ( $x = $dbr->fetchObject ( $res ) )
- {
- $t = $wgContLang->getNsText ( $x->cur_namespace ) ;
- if ( $t != '' ) $t .= ':' ;
- $t .= $x->cur_title ;
-
- if ( $x->cur_namespace == NS_CATEGORY ) {
- array_push ( $children , $sk->makeLink ( $t ) ) ; # Subcategory
- } else {
- array_push ( $articles , $sk->makeLink ( $t ) ) ; # Page in this category
- }
- }
- $dbr->freeResult ( $res ) ;
-
- # Showing subcategories
- if ( count ( $children ) > 0 ) {
- $r .= '<h2>'.wfMsg('subcategories')."</h2>\n" ;
- $r .= implode ( ', ' , $children ) ;
- }
-
- # Showing pages in this category
- if ( count ( $articles ) > 0 ) {
- $ti = $this->mTitle->getText() ;
- $h = wfMsg( 'category_header', $ti );
- $r .= "<h2>$h</h2>\n" ;
- $r .= implode ( ', ' , $articles ) ;
- }
-
- return $r ;
+ $c = count( $this->articles );
+ if( $c > 0 ) {
+ $r = "<div id=\"mw-pages\">\n";
+ $r .= '<h2>' . wfMsg( 'category_header', $ti ) . "</h2>\n";
+ $r .= wfMsgExt( 'categoryarticlecount', array( 'parse' ), $c );
+ $r .= $this->formatList( $this->articles, $this->articles_start_char );
+ $r .= "\n</div>";
+ }
+ return $r;
+ }
+
+ function getImageSection() {
+ if( $this->showGallery && ! $this->gallery->isEmpty() ) {
+ return "<div id=\"mw-category-media\">\n" .
+ '<h2>' . wfMsg( 'category-media-header', htmlspecialchars($this->title->getText()) ) . "</h2>\n" .
+ wfMsgExt( 'category-media-count', array( 'parse' ), $this->gallery->count() ) .
+ $this->gallery->toHTML() . "\n</div>";
+ } else {
+ return '';
+ }
}
- function newCategoryMagic () {
- global $wgContLang,$wgUser, $wgCategoryMagicGallery;
+ function getCategoryBottom() {
+ if( $this->until != '' ) {
+ return $this->pagingLinks( $this->title, $this->nextPage, $this->until, $this->limit );
+ } elseif( $this->nextPage != '' || $this->from != '' ) {
+ return $this->pagingLinks( $this->title, $this->from, $this->nextPage, $this->limit );
+ } else {
+ return '';
+ }
+ }
- $sk =& $wgUser->getSkin();
+ /**
+ * Format a list of articles chunked by letter, either as a
+ * bullet list or a columnar format, depending on the length.
+ *
+ * @param array $articles
+ * @param array $articles_start_char
+ * @param int $cutoff
+ * @return string
+ * @private
+ */
+ function formatList( $articles, $articles_start_char, $cutoff = 6 ) {
+ if ( count ( $articles ) > $cutoff ) {
+ return $this->columnList( $articles, $articles_start_char );
+ } elseif ( count($articles) > 0) {
+ // for short lists of articles in categories.
+ return $this->shortList( $articles, $articles_start_char );
+ }
+ return '';
+ }
- $r = "<br style=\"clear:both;\"/>\n";
+ /**
+ * Format a list of articles chunked by letter in a three-column
+ * list, ordered vertically.
+ *
+ * @param array $articles
+ * @param array $articles_start_char
+ * @return string
+ * @private
+ */
+ function columnList( $articles, $articles_start_char ) {
+ // divide list into three equal chunks
+ $chunk = (int) (count ( $articles ) / 3);
+
+ // get and display header
+ $r = '<table width="100%"><tr valign="top">';
+
+ $prev_start_char = 'none';
+
+ // loop through the chunks
+ for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0;
+ $chunkIndex < 3;
+ $chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1)
+ {
+ $r .= "<td>\n";
+ $atColumnTop = true;
+
+ // output all articles in category
+ for ($index = $startChunk ;
+ $index < $endChunk && $index < count($articles);
+ $index++ )
+ {
+ // check for change of starting letter or begining of chunk
+ if ( ($index == $startChunk) ||
+ ($articles_start_char[$index] != $articles_start_char[$index - 1]) )
+
+ {
+ if( $atColumnTop ) {
+ $atColumnTop = false;
+ } else {
+ $r .= "</ul>\n";
+ }
+ $cont_msg = "";
+ if ( $articles_start_char[$index] == $prev_start_char )
+ $cont_msg = ' ' . wfMsgHtml( 'listingcontinuesabbrev' );
+ $r .= "<h3>" . htmlspecialchars( $articles_start_char[$index] ) . "$cont_msg</h3>\n<ul>";
+ $prev_start_char = $articles_start_char[$index];
+ }
+
+ $r .= "<li>{$articles[$index]}</li>";
+ }
+ if( !$atColumnTop ) {
+ $r .= "</ul>\n";
+ }
+ $r .= "</td>\n";
- $articles = array() ;
- $articles_start_char = array();
- $children = array() ;
- $children_start_char = array();
- $data = array () ;
- $id = $this->mTitle->getArticleID() ;
- if ( $wgCategoryMagicGallery ) {
- $ig = new ImageGallery();
}
+ $r .= '</tr></table>';
+ return $r;
+ }
- # FIXME: add limits
- $dbr =& wfGetDB( DB_SLAVE );
- $cur = $dbr->tableName( 'cur' );
- $categorylinks = $dbr->tableName( 'categorylinks' );
-
- $t = $dbr->strencode( $this->mTitle->getDBKey() );
- $sql = "SELECT DISTINCT cur_title,cur_namespace,cl_sortkey FROM " .
- "$cur,$categorylinks WHERE cl_to='$t' AND cl_from=cur_id AND cur_is_redirect=0 ORDER BY cl_sortkey" ;
- $res = $dbr->query ( $sql ) ;
- while ( $x = $dbr->fetchObject ( $res ) )
- {
- $t = $ns = $wgContLang->getNsText ( $x->cur_namespace ) ;
- if ( $t != '' ) $t .= ':' ;
- $t .= $x->cur_title ;
- $ctitle = str_replace( '_',' ',$x->cur_title );
-
- if ( $x->cur_namespace == NS_CATEGORY ) {
- array_push ( $children, $sk->makeKnownLink ( $t, $ctitle ) ) ; # Subcategory
-
- // If there's a link from Category:A to Category:B, the sortkey of the resulting
- // entry in the categorylinks table is Category:A, not A, which it SHOULD be.
- // Workaround: If sortkey == "Category:".$title, than use $title for sorting,
- // else use sortkey...
- if ( ($ns.':'.$ctitle) == $x->cl_sortkey ) {
- array_push ( $children_start_char, $wgContLang->firstChar( $x->cur_title ) );
- } else {
- array_push ( $children_start_char, $wgContLang->firstChar( $x->cl_sortkey ) ) ;
- }
- } elseif ( $wgCategoryMagicGallery && $x->cur_namespace == NS_IMAGE ) {
- $ig->add( new Image( $x->cur_title ) );
- } else {
- array_push ( $articles , $sk->makeKnownLink ( $t ) ) ; # Page in this category
- array_push ( $articles_start_char, $wgContLang->firstChar( $x->cl_sortkey ) ) ;
- }
- }
- $dbr->freeResult ( $res ) ;
-
- $ti = $this->mTitle->getText() ;
-
- # Don't show subcategories section if there are none.
- if ( count ( $children ) > 0 )
- {
- # Showing subcategories
- $r .= '<h2>' . wfMsg( 'subcategories' ) . "</h2>\n";
-
- $numchild = count( $children );
- if($numchild == 1) {
- $r .= wfMsg( 'subcategorycount1', $wgContLang->formatNum( 1 ) );
- } else {
- $r .= wfMsg( 'subcategorycount' , $wgContLang->formatNum( $numchild ) );
- }
- unset($numchild);
-
- if ( count ( $children ) > 6 ) {
-
- // divide list into three equal chunks
- $chunk = (int) (count ( $children ) / 3);
-
- // get and display header
- $r .= '<table width="100%"><tr valign="top">';
-
- $startChunk = 0;
- $endChunk = $chunk;
-
- // loop through the chunks
- for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0;
- $chunkIndex < 3;
- $chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1)
- {
-
- $r .= '<td><ul>';
- // output all subcategories to category
- for ($index = $startChunk ;
- $index < $endChunk && $index < count($children);
- $index++ )
- {
- // check for change of starting letter or begging of chunk
- if ( ($index == $startChunk)
- || ($children_start_char[$index] != $children_start_char[$index - 1]) )
- {
- $r .= "</ul><h3>{$children_start_char[$index]}</h3>\n<ul>";
- }
-
- $r .= "<li>{$children[$index]}</li>";
- }
- $r .= '</ul></td>';
-
-
- }
- $r .= '</tr></table>';
- } else {
- // for short lists of subcategories to category.
-
- $r .= "<h3>{$children_start_char[0]}</h3>\n";
- $r .= '<ul><li>'.$children[0].'</li>';
- for ($index = 1; $index < count($children); $index++ )
- {
- if ($children_start_char[$index] != $children_start_char[$index - 1])
- {
- $r .= "</ul><h3>{$children_start_char[$index]}</h3>\n<ul>";
- }
- $r .= "<li>{$children[$index]}</li>";
- }
- $r .= '</ul>';
- }
- } # END of if ( count($children) > 0 )
-
- $r .= '<h2>' . wfMsg( 'category_header', $ti ) . "</h2>\n";
-
- $numart = count( $articles );
- if($numart == 1) {
- $r .= wfMsg( 'categoryarticlecount1', $wgContLang->formatNum( 1 ) );
- } else {
- $r .= wfMsg( 'categoryarticlecount' , $wgContLang->formatNum( $numart ) );
- }
- unset($numart);
-
- # Showing articles in this category
- if ( count ( $articles ) > 6) {
- $ti = $this->mTitle->getText() ;
-
- // divide list into three equal chunks
- $chunk = (int) (count ( $articles ) / 3);
-
- // get and display header
- $r .= '<table width="100%"><tr valign="top">';
-
- $prev_start_char = "";
-
- // loop through the chunks
- for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0;
- $chunkIndex < 3;
- $chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1)
- {
-
- $r .= '<td><ul>';
-
- // output all articles in category
- for ($index = $startChunk ;
- $index < $endChunk && $index < count($articles);
- $index++ )
- {
- // check for change of starting letter or begging of chunk
- if ( ($index == $startChunk) ||
- ($articles_start_char[$index] != $articles_start_char[$index - 1]) )
-
- {
- $cont_msg = "";
- if($articles_start_char[$index] == $prev_start_char)
- $cont_msg = wfMsg('listingcontinuesabbrev');
- $r .= "</ul><h3>{$articles_start_char[$index]}$cont_msg</h3>\n<ul>";
- $prev_start_char = $articles_start_char[$index];
- }
-
- $r .= "<li>{$articles[$index]}</li>";
- }
- $r .= '</ul></td>';
-
-
- }
- $r .= '</tr></table>';
- } elseif ( count($articles) > 0) {
- // for short lists of articles in categories.
- $ti = $this->mTitle->getText() ;
-
- $r .= '<h3>'.$articles_start_char[0]."</h3>\n";
- $r .= '<ul><li>'.$articles[0].'</li>';
- for ($index = 1; $index < count($articles); $index++ )
- {
- if ($articles_start_char[$index] != $articles_start_char[$index - 1])
- {
- $r .= "</ul><h3>{$articles_start_char[$index]}</h3>\n<ul>";
- }
-
- $r .= "<li>{$articles[$index]}</li>";
- }
- $r .= '</ul>';
- }
-
- if ( $wgCategoryMagicGallery && ! $ig->isEmpty() ) {
- $r.= $ig->toHTML();
+ /**
+ * Format a list of articles chunked by letter in a bullet list.
+ * @param array $articles
+ * @param array $articles_start_char
+ * @return string
+ * @private
+ */
+ function shortList( $articles, $articles_start_char ) {
+ $r = '<h3>' . htmlspecialchars( $articles_start_char[0] ) . "</h3>\n";
+ $r .= '<ul><li>'.$articles[0].'</li>';
+ for ($index = 1; $index < count($articles); $index++ )
+ {
+ if ($articles_start_char[$index] != $articles_start_char[$index - 1])
+ {
+ $r .= "</ul><h3>" . htmlspecialchars( $articles_start_char[$index] ) . "</h3>\n<ul>";
+ }
+
+ $r .= "<li>{$articles[$index]}</li>";
+ }
+ $r .= '</ul>';
+ return $r;
+ }
+
+ /**
+ * @param Title $title
+ * @param string $first
+ * @param string $last
+ * @param int $limit
+ * @param array $query - additional query options to pass
+ * @return string
+ * @private
+ */
+ function pagingLinks( $title, $first, $last, $limit, $query = array() ) {
+ global $wgLang;
+ $sk = $this->getSkin();
+ $limitText = $wgLang->formatNum( $limit );
+
+ $prevLink = htmlspecialchars( wfMsg( 'prevn', $limitText ) );
+ if( $first != '' ) {
+ $prevLink = $sk->makeLinkObj( $title, $prevLink,
+ wfArrayToCGI( $query + array( 'until' => $first ) ) );
+ }
+ $nextLink = htmlspecialchars( wfMsg( 'nextn', $limitText ) );
+ if( $last != '' ) {
+ $nextLink = $sk->makeLinkObj( $title, $nextLink,
+ wfArrayToCGI( $query + array( 'from' => $last ) ) );
}
- return $r ;
- }
+ return "($prevLink) ($nextLink)";
+ }
}
-?>
+
+
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