cops/base.php

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2012-05-28 08:01:33 +03:00
<?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>
*/
class Link
{
public $href;
public $type;
public $rel;
public $title;
public function __construct($phref, $ptype, $prel = NULL, $ptitle = NULL) {
$this->href = $phref;
$this->type = $ptype;
$this->rel = $prel;
$this->title = $ptitle;
}
public function render ($xml) {
$xml->startElement ("link");
$xml->writeAttribute ("href", $this->href);
$xml->writeAttribute ("type", $this->type);
if (!is_null ($this->rel)) {
$xml->writeAttribute ("rel", $this->rel);
}
if (!is_null ($this->title)) {
$xml->writeAttribute ("title", $this->title);
}
$xml->endElement ();
}
}
class LinkNavigation extends Link
{
const OPDS_NAVIGATION_TYPE = "application/atom+xml;profile=opds-catalog;kind=navigation";
public function __construct($phref, $prel = NULL, $ptitle = NULL) {
parent::__construct ($phref, self::OPDS_NAVIGATION_TYPE, $prel, $ptitle);
}
}
class Entry
{
public $title;
public $id;
public $content;
public $contentType;
public $linkArray;
public $localUpdated;
private static $updated = NULL;
public function getUpdatedTime () {
if (!is_null ($this->localUpdated)) {
return date (DATE_ATOM, $this->localUpdated);
}
if (is_null (self::$updated)) {
self::$updated = time();
}
return date (DATE_ATOM, self::$updated);
}
public function __construct($ptitle, $pid, $pcontent, $pcontentType, $plinkArray) {
$this->title = $ptitle;
$this->id = $pid;
$this->content = $pcontent;
$this->contentType = $pcontentType;
$this->linkArray = $plinkArray;
}
public function renderContent ($xml) {
$xml->startElement ("title");
$xml->text ($this->title);
$xml->endElement ();
$xml->startElement ("updated");
$xml->text (self::getUpdatedTime ());
$xml->endElement ();
$xml->startElement ("id");
$xml->text ($this->id);
$xml->endElement ();
$xml->startElement ("content");
$xml->writeAttribute ("type", $this->contentType);
if ($this->contentType == "text") {
$xml->text ($this->content);
} else {
$xml->writeRaw ($this->content);
}
$xml->endElement ();
foreach ($this->linkArray as $link) {
$link->render ($xml);
}
}
public function render ($xml) {
$xml->startElement ("entry");
self::renderContent ($xml);
$xml->endElement ();
}
}
class EntryBook extends Entry
{
public $book;
public function __construct($ptitle, $pid, $pcontent, $pcontentType, $plinkArray, $pbook) {
parent::__construct ($ptitle, $pid, $pcontent, $pcontentType, $plinkArray);
$this->book = $pbook;
$this->localUpdated = $pbook->timestamp;
}
public function renderContent ($xml) {
parent::renderContent ($xml);
foreach ($this->book->getAuthors () as $author) {
$xml->startElement ("author");
$xml->startElement ("name");
$xml->text ($author->name);
$xml->endElement ();
$xml->startElement ("uri");
$xml->text ($author->getUri ());
$xml->endElement ();
$xml->endElement ();
}
foreach ($this->book->getTags () as $category) {
$xml->startElement ("category");
$xml->writeAttribute ("term", $category);
$xml->writeAttribute ("label", $category);
$xml->endElement ();
}
if (!is_null ($this->book->pubdate)) {
$xml->startElement ("dcterms:issued");
$xml->text (date ("Y-m-d", $this->book->pubdate));
$xml->endElement ();
}
}
/* Polymorphism is strange with PHP */
public function render ($xml) {
$xml->startElement ("entry");
self::renderContent ($xml);
$xml->endElement ();
}
}
abstract class Base
{
const PAGE_INDEX = "index";
const PAGE_ALL_AUTHORS = "1";
const PAGE_AUTHORS_FIRST_LETTER = "2";
const PAGE_AUTHOR_DETAIL = "3";
const PAGE_ALL_BOOKS = "4";
const PAGE_ALL_BOOKS_LETTER = "5";
const PAGE_ALL_SERIES = "6";
const PAGE_SERIE_DETAIL = "7";
const PAGE_OPENSEARCH = "8";
const PAGE_OPENSEARCH_QUERY = "9";
const PAGE_ALL_RECENT_BOOKS = "10";
const COMPATIBILITY_XML_ALDIKO = "aldiko";
private static $db = NULL;
private static $xmlStream = NULL;
private static $updated = NULL;
public static function getUpdatedTime () {
if (is_null (self::$updated)) {
self::$updated = time();
}
return date (DATE_ATOM, self::$updated);
}
public static function getDb () {
global $config;
if (is_null (self::$db)) {
try {
self::$db = new PDO('sqlite:'. $config['calibre_directory'] .'metadata.db');
} catch (Exception $e) {
echo $e;
die($e);
}
}
return self::$db;
}
public static function getXmlStream () {
if (is_null (self::$xmlStream)) {
self::$xmlStream = new XMLWriter();
self::$xmlStream->openMemory();
self::$xmlStream->setIndent (true);
}
return self::$xmlStream;
}
public static function getOpenSearch () {
$xml = new XMLWriter ();
$xml->openMemory ();
$xml->setIndent (true);
$xml->startDocument('1.0','UTF-8');
$xml->startElement ("OpenSearchDescription");
$xml->startElement ("ShortName");
$xml->text ("My catalog");
$xml->endElement ();
$xml->startElement ("InputEncoding");
$xml->text ("UTF-8");
$xml->endElement ();
$xml->startElement ("OutputEncoding");
$xml->text ("UTF-8");
$xml->endElement ();
$xml->startElement ("Image");
$xml->text ("favicon.ico");
$xml->endElement ();
$xml->startElement ("Url");
$xml->writeAttribute ("type", 'application/atom+xml');
$xml->writeAttribute ("template", 'feed.php?page=' . self::PAGE_OPENSEARCH_QUERY . '&query={searchTerms}');
$xml->endElement ();
$xml->endElement ();
$xml->endDocument();
return $xml->outputMemory(true);
}
public static function startXmlDocument ($title) {
self::getXmlStream ()->startDocument('1.0','UTF-8');
self::getXmlStream ()->startElement ("feed");
self::getXmlStream ()->writeAttribute ("xmlns", "http://www.w3.org/2005/Atom");
self::getXmlStream ()->writeAttribute ("xmlns:xhtml", "http://www.w3.org/1999/xhtml");
self::getXmlStream ()->writeAttribute ("xmlns:opds", "http://opds-spec.org/2010/catalog");
self::getXmlStream ()->writeAttribute ("xmlns:opensearch", "http://a9.com/-/spec/opensearch/1.1/");
self::getXmlStream ()->writeAttribute ("xmlns:dcterms", "http://purl.org/dc/terms/");
self::getXmlStream ()->startElement ("title");
self::getXmlStream ()->text ($title);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("id");
self::getXmlStream ()->text ($_SERVER['REQUEST_URI']);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("updated");
self::getXmlStream ()->text (self::getUpdatedTime ());
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("icon");
self::getXmlStream ()->text ("favicon.ico");
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("author");
self::getXmlStream ()->startElement ("name");
self::getXmlStream ()->text (utf8_encode ("S<EFBFBD>bastien Lucas"));
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("uri");
self::getXmlStream ()->text ("http://blog.slucas.fr");
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("email");
self::getXmlStream ()->text ("sebastien@slucas.fr");
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
$link = new LinkNavigation ("feed.php", "start", "Home");
$link->render (self::getXmlStream ());
$link = new LinkNavigation ($_SERVER['REQUEST_URI'], "self");
$link->render (self::getXmlStream ());
$link = new Link ("feed.php?page=" . self::PAGE_OPENSEARCH, "application/opensearchdescription+xml", "search", "Search here");
$link->render (self::getXmlStream ());
$link = new LinkNavigation ("feed.php?page=7&id=9", "http://opds-spec.org/shelf", "Biblio");
$link->render (self::getXmlStream ());
}
public static function addEntryClass ($entry) {
$entry->render (self::getXmlStream ());
}
public static function endXmlDocument () {
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endDocument ();
return self::getXmlStream ()->outputMemory(true);
}
}
?>