includes/SpecialBooksources.php

   1 <?
   2
   3 # ISBNs in wiki pages will create links to this page, with
   4 # the ISBN passed in via the query string.
   5
   6 function wfSpecialBooksources()
   7 {
   8         $isbn = preg_replace( '/[^0-9X]/', '', $_REQUEST["isbn"] );
   9
  10         $bsl = new BookSourceList( $isbn );
  11         $bsl->show();
  12 }
  13
  14 class BookSourceList {
  15
  16         var $mIsbn;
  17
  18         function BookSourceList( $isbn )
  19         {
  20                 $this->mIsbn = $isbn;
  21         }
  22
  23         function show()
  24         {
  25                 global $wgOut, $wgUser, $wgLang;
  26                 global $ip, $wpBlockAddress, $wpBlockReason;
  27                 $fname="BookSourceList::show()";
  28
  29                 $wgOut->setPagetitle( wfMsg( "booksources" ) );
  30                 $bstext=wfMsg( "booksourcetext" );
  31
  32                 if($this->mIsbn) {
  33                         $bstitle = Title::newFromText( wfmsg( "booksources" ) );
  34                         $sql = "SELECT cur_text FROM cur " .
  35                                 "WHERE cur_namespace=4 and cur_title='" .
  36                                 wfStrencode( $bstitle->getDBkey() ) . "'";
  37                         $res = wfQuery( $sql, DB_READ, $fname );
  38                         if( ( $s = wfFetchObject( $res ) ) and ( $s->cur_text != "" ) ) {
  39                                 $bstext = $s->cur_text;
  40                                 $bstext = str_replace( "MAGICNUMBER", $this->mIsbn, $bstext );
  41                                 $noautolist = 1;
  42                         }
  43                 }
  44
  45                 $wgOut->addWikiText( $bstext );
  46
  47                 # If ISBN is blank, just show a list of links to the
  48                 # home page of the various book sites.  Otherwise, show
  49                 # a list of links directly to the book.
  50
  51                 if( !$noautolist ) { # only do this if we haven't already shown [[Wikipedia:Book sources]]
  52                         $s = "<ul>\n";
  53                         $bs = $wgLang->getBookstoreList() ;
  54                         $bsn = array_keys ( $bs ) ;
  55                         foreach ( $bsn as $name ) {
  56                                 $adr = $bs[$name] ;
  57                                 if ( ! $this->mIsbn ) {
  58                                         $adr = explode ( ":" , $adr , 2 ) ;
  59                                         $adr = explode ( "/" , $adr[1] ) ;
  60                                         $a = "" ;
  61                                         while ( $a == "" ) $a = array_shift ( $adr ) ;
  62                                         $adr = "http://".$a ;
  63                                 } else {
  64                                         $adr = str_replace ( "$1" , $this->mIsbn , $adr ) ;
  65                                 }
  66                                 $s .= "<li><a href=\"{$adr}\" class=\"external\">{$name}</a></li>\n" ;
  67                         }
  68                         $s .= "</ul>\n";
  69
  70                         $wgOut->addHTML( $s );
  71                 }
  72         }
  73 }
  74
  75 ?>