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First attempt to add paging in the OPDS side.

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Need more polishing before being used everywhere.

--HG--
extra : rebase_source : 0fb3a4b12cf83d4b450a1fca81f82addd8d58c14
This commit is contained in:
Sébastien Lucas 2012-09-18 15:39:22 +02:00
parent 43f489051d
commit 4c9e8c67d0
5 changed files with 67 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

58
base.php
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@ -80,6 +80,7 @@ class Link
const OPDS_IMAGE_TYPE = "http://opds-spec.org/image";
const OPDS_ACQUISITION_TYPE = "http://opds-spec.org/acquisition";
const OPDS_NAVIGATION_TYPE = "application/atom+xml;profile=opds-catalog;kind=navigation";
const OPDS_PAGING_TYPE = "application/atom+xml;profile=opds-catalog;kind=acquisition";
public $href;
public $type;
@ -190,43 +191,46 @@ class Page
public $idPage;
public $idGet;
public $query;
public $n;
public $totalNumber = -1;
public $entryArray = array();
public static function getPage ($pageId, $id, $query)
public static function getPage ($pageId, $id, $query, $n)
{
switch ($pageId) {
case Base::PAGE_ALL_AUTHORS :
return new PageAllAuthors ($id, $query);
return new PageAllAuthors ($id, $query, $n);
case Base::PAGE_AUTHOR_DETAIL :
return new PageAuthorDetail ($id, $query);
return new PageAuthorDetail ($id, $query, $n);
case Base::PAGE_ALL_TAGS :
return new PageAllTags ($id, $query);
return new PageAllTags ($id, $query, $n);
case Base::PAGE_TAG_DETAIL :
return new PageTagDetail ($id, $query);
return new PageTagDetail ($id, $query, $n);
case Base::PAGE_ALL_SERIES :
return new PageAllSeries ($id, $query);
return new PageAllSeries ($id, $query, $n);
case Base::PAGE_ALL_BOOKS :
return new PageAllBooks ($id, $query);
return new PageAllBooks ($id, $query, $n);
case Base::PAGE_ALL_BOOKS_LETTER:
return new PageAllBooksLetter ($id, $query);
return new PageAllBooksLetter ($id, $query, $n);
case Base::PAGE_ALL_RECENT_BOOKS :
return new PageRecentBooks ($id, $query);
return new PageRecentBooks ($id, $query, $n);
case Base::PAGE_SERIE_DETAIL :
return new PageSerieDetail ($id, $query);
return new PageSerieDetail ($id, $query, $n);
case Base::PAGE_OPENSEARCH_QUERY :
return new PageQueryResult ($id, $query);
return new PageQueryResult ($id, $query, $n);
break;
default:
$page = new Page ($id, $query);
$page = new Page ($id, $query, $n);
$page->idPage = "cops:catalog";
return $page;
}
}
public function __construct($pid, $pquery) {
public function __construct($pid, $pquery, $pn) {
$this->idGet = $pid;
$this->query = $pquery;
}
$this->n = $pn;
}
public function InitializeContent ()
{
@ -318,7 +322,7 @@ class PageAllBooksLetter extends Page
public function InitializeContent ()
{
$this->title = str_format (localize ("splitByLetter.letter"), localize ("bookword.title"), $this->idGet);
$this->entryArray = Book::getBooksByStartingLetter ($this->idGet);
list ($this->entryArray, $this->totalNumber) = Book::getBooksByStartingLetter ($this->idGet, $this->n);
$this->idPage = Book::getEntryIdByLetter ($this->idGet);
}
}
@ -373,6 +377,28 @@ abstract class Base
}
}
return self::$db;
}
}
public static function executeQuery($query, $columns, $params, $n) {
global $config;
$totalResult = -1;
if ($config['cops_max_item_per_page'] != -1)
{
// First check total number of results
$result = self::getDb ()->prepare (str_format ($query, "count(*)"));
$result->execute ($params);
$totalResult = $result->fetchColumn ();
// Next modify the query and params
$query .= " limit ?, ?";
array_push ($params, ($n - 1) * $config['cops_max_item_per_page'], $config['cops_max_item_per_page']);
}
$result = self::getDb ()->prepare(str_format ($query, $columns));
$result->execute ($params);
return array ($totalResult, $result);
}
}
?>