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< ? php
/**
* COPS ( Calibre OPDS PHP Server ) class file
*
* @ license GPL 2 ( http :// www . gnu . org / licenses / gpl . html )
* @ author S<EFBFBD> bastien Lucas < sebastien @ slucas . fr >
*/
require_once ( 'base.php' );
class Author extends Base {
const ALL_AUTHORS_ID = " calibre:authors " ;
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const AUTHOR_COLUMNS = " authors.id as id, authors.name as name, authors.sort as sort, count(*) as count " ;
const SQL_AUTHORS_BY_FIRST_LETTER = " select { 0} from authors, books_authors_link where author = authors.id and upper (authors.sort) like ? group by authors.id, authors.name, authors.sort order by sort " ;
const SQL_ALL_AUTHORS = " select { 0} from authors, books_authors_link where author = authors.id group by authors.id, authors.name, authors.sort order by sort " ;
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public $id ;
public $name ;
public $sort ;
public function __construct ( $pid , $pname ) {
$this -> id = $pid ;
$this -> name = $pname ;
}
public function getUri () {
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return " ?page= " . parent :: PAGE_AUTHOR_DETAIL . " &id= $this->id " ;
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}
public function getEntryId () {
return self :: ALL_AUTHORS_ID . " : " . $this -> id ;
}
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public static function getEntryIdByLetter ( $startingLetter ) {
return self :: ALL_AUTHORS_ID . " :letter: " . $startingLetter ;
}
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public static function getCount () {
$nAuthors = parent :: getDb () -> query ( 'select count(*) from authors' ) -> fetchColumn ();
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$entry = new Entry ( localize ( " authors.title " ), self :: ALL_AUTHORS_ID ,
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str_format ( localize ( " authors.alphabetical " , $nAuthors ), $nAuthors ), " text " ,
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array ( new LinkNavigation ( " ?page= " . parent :: PAGE_ALL_AUTHORS )));
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return $entry ;
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}
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public static function getAllAuthorsByFirstLetter () {
$result = parent :: getDb () -> query ( ' select substr ( upper ( sort ), 1 , 1 ) as title , count ( * ) as count
from authors
group by substr ( upper ( sort ), 1 , 1 )
order by substr ( upper ( sort ), 1 , 1 ) ' );
$entryArray = array ();
while ( $post = $result -> fetchObject ())
{
array_push ( $entryArray , new Entry ( $post -> title , Author :: getEntryIdByLetter ( $post -> title ),
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str_format ( localize ( " authorword " , $post -> count ), $post -> count ), " text " ,
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array ( new LinkNavigation ( " ?page= " . parent :: PAGE_AUTHORS_FIRST_LETTER . " &id= " . rawurlencode ( $post -> title )))));
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}
return $entryArray ;
}
public static function getAuthorsByStartingLetter ( $letter ) {
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return self :: getEntryArray ( self :: SQL_AUTHORS_BY_FIRST_LETTER , array ( $letter . " % " ));
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}
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public static function getAllAuthors () {
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return self :: getEntryArray ( self :: SQL_ALL_AUTHORS , array ());
}
public static function getEntryArray ( $query , $params ) {
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list ( $totalNumber , $result ) = parent :: executeQuery ( $query , self :: AUTHOR_COLUMNS , " " , $params , - 1 );
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$entryArray = array ();
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while ( $post = $result -> fetchObject ())
{
$author = new Author ( $post -> id , $post -> sort );
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array_push ( $entryArray , new Entry ( $post -> sort , $author -> getEntryId (),
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str_format ( localize ( " bookword " , $post -> count ), $post -> count ), " text " ,
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array ( new LinkNavigation ( $author -> getUri ()))));
}
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return $entryArray ;
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}
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public static function getAuthorById ( $authorId ) {
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$result = parent :: getDb () -> prepare ( 'select sort from authors where id = ?' );
$result -> execute ( array ( $authorId ));
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return new Author ( $authorId , $result -> fetchColumn ());
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}
public static function getAuthorByBookId ( $bookId ) {
$result = parent :: getDb () -> prepare ( ' select authors . id as id , authors . sort as sort
from authors , books_authors_link
where author = authors . id
and book = ? ' );
$result -> execute ( array ( $bookId ));
$authorArray = array ();
while ( $post = $result -> fetchObject ()) {
array_push ( $authorArray , new Author ( $post -> id , $post -> sort ));
}
return $authorArray ;
}
}