/
browse-episode.php
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/
browse-episode.php
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<?php
/*
* media: The media metadata model
*
* Copyright 2010 Mo McRoberts.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
require_once(dirname(__FILE__) . '/browser.php');
class MediaBrowseEpisode extends MediaBrowser
{
protected $templateName = 'episode.phtml';
protected $supportedTypes = array('text/html', 'application/json', 'application/rdf+xml', 'application/atom+xml');
protected $version = null;
protected function getObject()
{
$this->object->merge();
$this->title = $this->object->title;
$this->crumbName = $this->object->title;
$this->addCrumb();
if(null !== ($tag = $this->request->consume()))
{
$obj = null;
if(null !== ($uuid = UUID::isUUID($tag)))
{
$rs = $this->model->query(array('uuid' => $uuid, 'parent' => $this->object->uuid));
$obj = $rs->next();
}
else
{
$rs = $this->model->query(array('tag' => $tag, 'parent' => $this->object->uuid));
$obj = $rs->next();
}
if(!$obj)
{
return $this->error(Error::OBJECT_NOT_FOUND);
}
$this->version = $obj;
}
if(null !== ($tag = $this->request->consume()))
{
switch($tag)
{
case 'player':
require_once(MODULES_ROOT . 'media/player.php');
$inst = new MediaPlayer();
$inst->object = $this->version;
$inst->episode = $this->object;
$inst->process($this->request);
return false;
default:
return $this->error(Error::OBJECT_NOT_FOUND);
}
}
return true;
}
protected function performMethod($method, $type)
{
if($type != 'text/html')
{
if($this->version)
{
require_once(dirname(__FILE__) . '/browse-version.php');
$inst = new MediaBrowseVersion();
$inst->object = $this->version;
$inst->episode = $this->object;
$inst->process($this->request);
return;
}
}
if(!$this->version)
{
$this->version = $this->object->defaultVersion;
}
return parent::performMethod($method, $type);
}
protected function assignTemplate()
{
parent::assignTemplate();
if(!isset($this->vars['page_type'])) $this->vars['page_type'] = '';
$uri = $this->request->pageUri;
if(strlen($uri) > 1 && substr($uri, -1) == '/') $uri = substr($uri, 0, -1);
$this->links[] = array('rel' => 'alternate', 'type' => 'application/rdf+xml', 'href' => $uri . '.rdf');
$this->links[] = array('rel' => 'alternate', 'type' => 'application/json', 'href' => $uri . '.json');
if(!$this->player)
{
if(isset($this->object['template']))
{
$this->vars['custom'] = $this->object['template'];
if(isset($this->object['template']['pageType']))
{
$this->vars['page_type'] .= ' ' . $this->object['template']['pageType'];
}
}
}
$this->vars['version'] = $this->version;
}
protected function perform_GET_RDF__XXX()
{
$this->request->header('Content-type', 'application/rdf+xml');
$this->request->flush();
$uri = $this->request->pageUri;
if(strlen($uri) > 1 && substr($uri, -1) == '/') $uri = substr($uri, 0, -1);
writeLn('<?xml version="1.0" encoding="utf-8" ?>');
writeLn('<rdf:RDF ' .
'xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" ' .
'xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" ' .
'xmlns:owl="http://www.w3.org/2002/07/owl#" ' .
'xmlns:foaf="http://xmlns.com/foaf/0.1/" ' .
'xmlns:po="http://purl.org/ontology/po/" ' .
'xmlns:mo="http://purl.org/ontology/mo/" ' .
'xmlns:skos="http://www.w3.org/2008/05/skos#" ' .
'xmlns:time="http://www.w3.org/2006/time#" ' .
'xmlns:dc="http://purl.org/dc/elements/1.1/" ' .
'xmlns:dcterms="http://purl.org/dc/terms/" ' .
'xmlns:wgs84_pos="http://www.w3.org/2003/01/geo/wgs84_pos#" ' .
'xmlns:timeline="http://purl.org/NET/c4dm/timeline.owl#" ' .
'xmlns:event="http://purl.org/NET/c4dm/event.owl#">');
writeLn();
writeLn('<rdf:Description rdf:about="' . _e($uri) . '.rdf">');
$rdf = $this->object->primaryTopicRDF($uri . '.rdf', $uri);
writeLn(implode("\n", $rdf));
writeLn('<rdfs:label>Description of the episode ' . _e($this->title) . '</rdfs:label>');
writeLn('<dcterms:created rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">' . strftime('%Y-%m-%dT%H:%M:%SZ', parse_datetime($this->object->created)) . '</dcterms:created>');
writeLn('<dcterms:modified rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">' . strftime('%Y-%m-%dT%H:%M:%SZ', parse_datetime($this->object->modified)) . '</dcterms:modified>');
writeLn('<foaf:primaryTopic rdf:resource="' . _e($uri . '#episode') . '" />');
writeLn('</rdf:Description>');
writeLn();
writeLn('<po:Episode rdf:about="' . _e($uri . '#episode') . '">');
writeLn();
if(isset($this->object->curie))
{
writeLn('<po:pid>' . _e($this->object->curie) . '</po:pid>');
}
writeLn('<dc:title>' . _e($this->object->title) . '</dc:title>');
if(isset($this->object->shortDescription))
{
writeLn('<po:short_synopsis>' . _e($this->object->shortDescription) . '</po:short_synopsis>');
}
if(isset($this->object->mediumDescription))
{
writeLn('<po:medium_synopsis>' . _e($this->object->mediumDescription) . '</po:medium_synopsis>');
}
if(isset($this->object->description))
{
writeLn('<po:long_synopsis>' . _e($this->object->description) . '</po:long_synopsis>');
}
if(isset($this->object->image))
{
writeLn('<foaf:depiction rdf:resource="' . _e($this->object->image) . '" />');
}
if(isset($this->object->uri))
{
writeLn('<po:microsite rdf:resource="' . _e($this->object->uri) . '" />');
}
writeLn();
if(isset($this->object->genres))
{
foreach($this->object->genres as $genre)
{
$this->writeRDFResource('po:genre', $genre, 'genre');
}
}
if(isset($this->object->formats))
{
foreach($this->object->formats as $format)
{
$this->writeRDFResource('po:format', $format, 'format');
}
}
if(isset($this->object->topics))
{
foreach($this->object->topics as $topic)
{
$this->writeRDFResource('po:subject', $topic, 'topic');
}
}
if(isset($this->object->people))
{
foreach($this->object->people as $person)
{
$this->writeRDFResource('po:person', $person, 'person');
}
}
writeLn();
foreach($this->object->versions as $ver)
{
writeLn('<po:version rdf:resource="' . _e($this->request->root . $ver->relativeURI . '#version') . '" />');
}
writeLn();
writeLn('</po:Episode>');
writeLn();
$show = null;
$series = null;
if(isset($this->object['series']))
{
$series = $this->object['series'];
if(isset($series['show']))
{
$show = $series['show'];
}
}
else if(isset($this->object['show']))
{
$series = $this->object['show'];
}
if($series)
{
writeLn('<po:Series rdf:about="' . _e($this->request->root . $series->relativeURI . '#series') . '">');
writeLn('<po:episode rdf:resource="' . _e($uri . '#episode') . '" />');
writeLn('</po:Series>');
writeLn();
}
if($show)
{
writeLn('<po:Brand rdf:about="' . _e($this->request->root . $show->relativeURI . '#show') . '">');
if($series)
{
writeLn('<po:series rdf:resource="' . _e($this->request->root . $series->relativeURI . '#series') . '" />');
}
else
{
writeLn('<po:episode rdf:resource="' . _e($uri . '#episode') . '" />');
}
writeLn('</po:Brand>');
writeLn();
}
writeLn('</rdf:RDF>');
}
protected function writeRDFResource($tag, $uri, $fragment)
{
if(UUID::isUUID($uri))
{
/* Fetch target */
}
else if(substr($uri, 0, 1) == '/')
{
writeLn('<' . $tag . ' rdf:resource="' . _e($uri . '#' . $fragment) . '" />');
}
else
{
writeLn('<' . $tag . ' rdf:resource="' . _e($uri) . '" />');
}
}
}