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<?php
/*
* GeeXboX Valhalla: tiny media scanner API.
* Copyright (C) 2009 Fabien Brisset <fbrisset@gmail.com>
* Copyright (C) 2009 Davide Cavalca <davide@geexbox.org>
*
* This file is part of libvalhalla.
*
* libvalhalla is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* libvalhalla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with libvalhalla; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* This needs imdbphp (http://projects.izzysoft.de/trac/imdbphp) to work */
require_once('imdbphp/imdb.class.php');
/* set the content type to be XML, so that the browser will recognise it as XML */
header ('content-type: application/xml; charset=utf-8');
/* function of creation of the document */
function createDocument ()
{
$document = new DomDocument ();
$document->encoding = "utf-8";
return $document;
}
/* function generating the results tag */
function generateResultsTag ($keywords, $document)
{
$resultsTag = $document->CreateElement ('results');
$forAttr = $document->CreateAttribute ('for');
$textForAttr = $document->CreateTextNode ($keywords);
$forAttr->appendChild ($textForAttr);
$opSearchAttr = $document->CreateAttribute ('xmlns:opensearch');
$textOpSearchAttr =
$document->CreateTextNode ('http://a9.com/-/spec/opensearch/1.1/');
$opSearchAttr->appendChild ($textOpSearchAttr);
$resultsTag->appendChild ($forAttr);
$resultsTag->appendChild ($opSearchAttr);
return $resultsTag;
}
/* generate main xml tag */
function generateOpenSearchQueryTag ($keywords, $document)
{
$queryTag = $document->CreateElement ('opensearch:Query');
$searchKeyAttr = $document->CreateAttribute ('searchTerms');
$searchKeyAttrText = $document->CreateTextNode ($keywords);
$searchKeyAttr->appendChild ($searchKeyAttrText);
$queryTag->appendChild ($searchKeyAttr);
return $queryTag;
}
/* function generating the total results tag */
function generateOpenSearchTotResultsTag ($totalRes, $document)
{
$totalResults = $document->CreateElement ('opensearch:totalResults');
$totalResultsText = $document->CreateTextNode ($totalRes);
$totalResults->appendChild ($totalResultsText);
return $totalResults;
}
/* function generating no search results xml */
function generate_no_search_results ($keywords)
{
$searchResultsDocument = createDocument ();
$resultsTag = generateResultsTag ($keywords, $searchResultsDocument);
$opensearchQueryTag = generateOpenSearchQueryTag ($keywords, $searchResultsDocument);
$openSearchTotResultTag = generateOpenSearchTotResultsTag ('0', $searchResultsDocument);
$moviematchestag = $searchResultsDocument->CreateElement ('moviematches');
$movietag = $searchResultsDocument->CreateElement ('movie');
$content = $searchResultsDocument->CreateTextNode (utf8_encode ('Your query didn\'t return any results.'));
$movietag->appendChild ($content);
$moviematchestag->appendChild ($movietag);
$resultsTag->appendChild ($opensearchQueryTag);
$resultsTag->appendChild ($openSearchTotResultTag);
$resultsTag->appendChild ($moviematchestag);
$searchResultsDocument->appendChild ($resultsTag);
return $searchResultsDocument->saveXML ();
}
function generatePersonTag($document, $person, $job)
{
$person_tag = $document->CreateElement ('person');
$job_tag = $document->CreateAttribute ('job');
$textForAttr = $document->CreateTextNode ($job);
$job_tag->appendChild ($textForAttr);
$name = $document->createElement ('name', $person['name']);
$role = $document->createElement ('role', $person['role']);
$url = $document->createElement ('url', 'http://www.imdb.com/name/'.$person['imdb']);
$person_tag->appendChild ($job_tag);
$person_tag->appendChild ($name);
$person_tag->appendChild ($role);
$person_tag->appendChild ($url);
return $person_tag;
}
/* generate the movie tag with the information of the movie */
function generate_movietag ($result, $document)
{
$movietag = $document->CreateElement ('movie');
$imdbid = $result->imdbid ();
$url = 'http://www.imdb.com/title/'.$imdbid;
$urltag = $document->CreateElement ('url', $url);
$idtag = $document->CreateElement ('id', $imdbid);
$type = $document->CreateElement ('type', 'movie');
/* title attribute */
$title = $document->CreateElement ('title', $result->title ());
$t_attr = $document->CreateAttribute ('lower');
$textForTattr = $document->CreateTextNode (strtolower ($title->nodeValue));
$t_attr->appendChild ($textForTattr);
$title->appendChild ($t_attr);
/* alternative title attribute */
foreach ($result->alsoknow () as $alt_title)
{
$alternative_title = $document->CreateElement ('alternative_title', $alt_title['title']);
$at_attr = $document->CreateAttribute ('lower');
$textForAtAttr = $document->CreateTextNode (strtolower ($alternative_title->nodeValue));
$at_attr->appendChild ($textForAtAttr);
$alternative_title->appendChild ($at_attr);
$movietag->appendChild ($alternative_title);
}
/* check for people */
$people = $document->CreateElement ('people', '');
/* director of movie */
foreach ($result->director () as $director)
{
$person = generatePersonTag ($document, $director, 'director');
$people->appendChild ($person);
}
/* actors information */
$i = 1;
foreach ($result->cast () as $actor)
{
$person = generatePersonTag ($document, $actor, 'actor');
$people->appendChild ($person);
/* HACK return only the first five actors */
if (++$i > 5) break;
}
/* categories information */
$categories = $document->CreateElement ('categories', '');
foreach ($result->genres() as $genre)
{
$category = $document->CreateElement ('category');
$category_url = $document->CreateElement ('url', 'http://www.imdb.com/Sections/Genres/'.$genre);
$category_name = $document->CreateElement ('name', $genre);
$category->appendChild ($category_name);
$category->appendChild ($category_url);
$categories->appendChild ($category);
}
/* homepage information */
$sites = $result->officialSites ();
if (count($sites) > 0)
$homepage = $document->CreateElement ('homepage', $sites[0]['url']);
else
$homepage = $document->CreateElement ('homepage', '');
/* description information */
$plots = $result->plot ();
if (count($plots) > 0)
{
$plot = trim (substr ($plots[0], 0, -strlen (stristr ($plots[0], '<i>'))));
$short_overview = $document->CreateElement ('short_overview', $plot);
} else {
$short_overview = $document->CreateElement ('short_overview', $result->plotoutline ());
}
/* production countries */
$countries = $document->CreateElement ('countries', '');
foreach ($result->country () as $country)
{
$country_tag = $document->CreateElement ('country');
$country_sname = $document->CreateElement ('short_name', $country);
$country_tag->appendChild ($country_sname);
$countries->appendChild ($country_tag);
}
/* runtime information */
$runtime = $document->CreateElement ('runtime', $result->runtime ());
/* rating information */
$rating = $document->CreateElement ('rating', $result->rating ());
/* release information */
$release = $document->CreateElement ('release', $result->year().'-01-01');
$movietag->appendChild ($rating);
$movietag->appendChild ($title);
$movietag->appendChild ($type);
$movietag->appendChild ($idtag);
$movietag->appendChild ($urltag);
$movietag->appendChild ($short_overview);
$movietag->appendChild ($release);
$movietag->appendChild ($runtime);
$movietag->appendChild ($countries);
$movietag->appendChild ($homepage);
$movietag->appendChild ($people);
$movietag->appendChild ($categories);
$document->appendChild ($movietag);
return $movietag;
}
/* function generating the main movie tag */
function generate_movies_tags ($results, $document, $limit = 0)
{
$moviematchestag = $document->CreateElement ('moviematches');
$i = 1;
foreach ($results as $res)
{
$movietag = generate_movietag ($res, $document);
$moviematchestag->appendChild ($movietag);
if ($limit > 0)
if (++$i > $limit) break;
}
return $moviematchestag;
}
/* function generating the searche results tag */
function generate_search_results ($keywords, $results, $limit = 0)
{
$searchResultsDocument = createDocument ();
$resultsTag = generateResultsTag ($keywords, $searchResultsDocument);
$opensearchQueryTag = generateOpenSearchQueryTag ($keywords, $searchResultsDocument);
if ($limit > 0)
$rescount = $limit;
else
$rescount = count ($results);
$openSearchTotResultTag = generateOpenSearchTotResultsTag ($rescount, $searchResultsDocument);
$moviematchestag = generate_movies_tags ($results, $searchResultsDocument, $limit);
$resultsTag->appendChild ($opensearchQueryTag);
$resultsTag->appendChild ($openSearchTotResultTag);
$resultsTag->appendChild ($moviematchestag);
$searchResultsDocument->appendChild ($resultsTag);
return $searchResultsDocument->saveXML ();
}
/* generate an error xml */
function error_xml ()
{
$errorDocument = createDocument ();
$error = $errorDocument->CreateElement ('error');
$content = $errorDocument->CreateTextNode (utf8_encode ('You need to search for something first.'));
$error->appendChild ($content);
$errorDocument->appendChild ($error);
return $errorDocument->saveXML ();
}
$matches = array ();
if (preg_match ("^title=(.+)$^", $_SERVER['QUERY_STRING'], $matches) == 0)
echo error_xml ();
else
{
$keywords = $matches[1];
$search = new imdbsearch ();
$search->setsearchname ($keywords);
$results = $search->results ();
if (count ($results) > 0)
echo generate_search_results ($keywords, $results, 3);
else
echo generate_no_search_results ($keywords);
}
?>
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