-<?
+<?php
-# ISBNs in wiki pages will create links to this page, with
-# the ISBN passed in via the query string.
+/**
+ * Special page outputs information on sourcing a book with a particular ISBN
+ * The parser creates links to this page when dealing with ISBNs in wikitext
+ *
+ * @addtogroup Special pages
+ * @author Rob Church <robchur@gmail.com>
+ * @todo Validate ISBNs using the standard check-digit method
+ */
+class SpecialBookSources extends SpecialPage {
-function wfSpecialBooksources()
-{
- $isbn = $_REQUEST["isbn"];
-
- $bsl = new BookSourceList( $isbn );
- $bsl->show();
-}
-
-class BookSourceList {
-
- var $mIsbn;
-
- function BookSourceList( $isbn )
- {
- $this->mIsbn = $isbn;
+ /**
+ * ISBN passed to the page, if any
+ */
+ private $isbn = '';
+
+ /**
+ * Constructor
+ */
+ public function __construct() {
+ parent::__construct( 'Booksources' );
}
-
- function show()
- {
- global $wgOut, $wgUser, $wgLang;
- global $ip, $wpBlockAddress, $wpBlockReason;
- $fname="BookSourceList::show()";
-
- $wgOut->setPagetitle( wfMsg( "booksources" ) );
- $bstext=wfMsg( "booksourcetext" );
-
- if($this->mIsbn) {
- $bstitle = Title::newFromText( wfmsg( "booksources" ) );
- $sql = "SELECT cur_text FROM cur " .
- "WHERE cur_namespace=4 and cur_title='" .
- wfStrencode( $bstitle->getDBkey() ) . "'";
- $res = wfQuery( $sql, $fname );
- if( ( $s = wfFetchObject( $res ) ) and ( $s->cur_text != "" ) ) {
- $bstext = $s->cur_text;
- $bstext = str_replace( "WIKI-ISBN", $this->mIsbn, $bstext );
- $noautolist = 1;
- }
- }
-
- $wgOut->addWikiText( $bstext );
+
+ /**
+ * Show the special page
+ *
+ * @param $isbn ISBN passed as a subpage parameter
+ */
+ public function execute( $isbn = false ) {
+ global $wgOut, $wgRequest;
+ $this->setHeaders();
+ $this->isbn = $this->cleanIsbn( $isbn ? $isbn : $wgRequest->getText( 'isbn' ) );
+ $wgOut->addWikiText( wfMsgNoTrans( 'booksources-summary' ) );
+ $wgOut->addHtml( $this->makeForm() );
+ if( strlen( $this->isbn ) > 0 )
+ $this->showList();
+ }
+
+ /**
+ * Trim ISBN and remove characters which aren't required
+ *
+ * @param $isbn Unclean ISBN
+ * @return string
+ */
+ private function cleanIsbn( $isbn ) {
+ return trim( preg_replace( '![^0-9X]!', '', $isbn ) );
+ }
+
+ /**
+ * Generate a form to allow users to enter an ISBN
+ *
+ * @return string
+ */
+ private function makeForm() {
+ global $wgScript;
+ $title = self::getTitleFor( 'Booksources' );
+ $form = '<fieldset><legend>' . wfMsgHtml( 'booksources-search-legend' ) . '</legend>';
+ $form .= Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
+ $form .= Xml::hidden( 'title', $title->getPrefixedText() );
+ $form .= '<p>' . Xml::inputLabel( wfMsg( 'booksources-isbn' ), 'isbn', 'isbn', 20, $this->isbn );
+ $form .= ' ' . Xml::submitButton( wfMsg( 'booksources-go' ) ) . '</p>';
+ $form .= Xml::closeElement( 'form' );
+ $form .= '</fieldset>';
+ return $form;
+ }
+
+ /**
+ * Determine where to get the list of book sources from,
+ * format and output them
+ *
+ * @return string
+ */
+ private function showList() {
+ global $wgOut, $wgContLang;
- # If ISBN is blank, just show a list of links to the
- # home page of the various book sites. Otherwise, show
- # a list of links directly to the book.
-
- if( !$noautolist ) { # only do this if we haven't already shown [[Wikipedia:Book sources]]
- $s = "<ul>\n";
- $bs = $wgLang->getBookstoreList() ;
- $bsn = array_keys ( $bs ) ;
- foreach ( $bsn as $name ) {
- $adr = $bs[$name] ;
- if ( ! $this->mIsbn ) {
- $adr = explode ( ":" , $adr , 2 ) ;
- $adr = explode ( "/" , $adr[1] ) ;
- $a = "" ;
- while ( $a == "" ) $a = array_shift ( $adr ) ;
- $adr = "http://".$a ;
- } else {
- $adr = str_replace ( "$1" , $this->mIsbn , $adr ) ;
- }
- $s .= "<li><a href=\"{$adr}\">{$name}</a></li>\n" ;
- }
- $s .= "</ul>\n";
-
- $wgOut->addHTML( $s );
+ # Hook to allow extensions to insert additional HTML,
+ # e.g. for API-interacting plugins and so on
+ wfRunHooks( 'BookInformation', array( $this->isbn, &$wgOut ) );
+
+ # Check for a local page such as Project:Book_sources and use that if available
+ $title = Title::makeTitleSafe( NS_PROJECT, wfMsg( 'booksources' ) ); # Should this be wfMsgForContent()? -- RC
+ if( is_object( $title ) && $title->exists() ) {
+ $rev = Revision::newFromTitle( $title );
+ $wgOut->addWikiText( str_replace( 'MAGICNUMBER', $this->isbn, $rev->getText() ) );
+ return true;
}
+
+ # Fall back to the defaults given in the language file
+ $wgOut->addWikiText( wfMsgNoTrans( 'booksources-text' ) );
+ $wgOut->addHtml( '<ul>' );
+ $items = $wgContLang->getBookstoreList();
+ foreach( $items as $label => $url )
+ $wgOut->addHtml( $this->makeListItem( $label, $url ) );
+ $wgOut->addHtml( '</ul>' );
+ return true;
}
+
+ /**
+ * Format a book source list item
+ *
+ * @param $label Book source label
+ * @param $url Book source URL
+ * @return string
+ */
+ private function makeListItem( $label, $url ) {
+ $url = str_replace( '$1', $this->isbn, $url );
+ return '<li><a href="' . htmlspecialchars( $url ) . '">' . htmlspecialchars( $label ) . '</a></li>';
+ }
+
}
?>
dépôts / lhc / web / wiklou.git / blobdiff