/
api_documentcloud.php
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/
api_documentcloud.php
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<?php
// document cloud support
error_reporting(E_ALL);
require_once (dirname(__FILE__) . '/api_utils.php');
require_once (dirname(__FILE__) . '/couchsimple.php');
require_once (dirname(__FILE__) . '/reference_code.php');
//--------------------------------------------------------------------------------------------------
function default_display()
{
echo "hi";
}
//--------------------------------------------------------------------------------------------------
// Documentcloud file
function display_documentcloud ($id, $callback = '')
{
global $config;
global $couch;
global $memcache;
global $cacheAvailable;
$obj = null;
// grab JSON from CouchDB
$couch_id = $id;
if ($cacheAvailable == true)
{
$obj = $memcache->get($couch_id);
}
if ($obj)
{
$obj->status = 200;
}
else
{
// fetch from CouchDB
$obj = new stdclass;
$resp = $couch->send("GET", "/" . $config['couchdb_options']['database'] . "/" . urlencode($couch_id));
$reference = json_decode($resp);
if (isset($reference->error))
{
$obj->status = 404;
}
else
{
$obj = $reference;
$obj->status = 200;
if ($cacheAvailable == true)
{
$memcache->set($couch_id, $reference);
}
}
}
$dc = new stdclass;
if ($obj)
{
/*
echo '<pre>';
print_r($obj);
echo '</pre>';
*/
$dc->title = $obj->title;
$dc->description = $obj->citation;
$dc->id = str_replace('biostor/', '', $id);
$dc->canonical_url = $config['web_server'] . $config['web_root'] . 'reference/' . str_replace('biostor/', '', $id);
$dc->pages = count((array)$obj->bhl_pages);
$dc->resources = new stdclass;
$dc->resources->page = new stdclass;
$dc->resources->page->image = $config['web_server'] . $config['web_root'] . 'documentcloud/' . $id . '/pages/{page}-{size}';
$dc->resources->page->text = $config['web_server'] . $config['web_root'] . 'documentcloud/' . $id . '/pages/{page}';
// classic
//$dc->resources->page->image = "http://direct.biostor.org/reference" . str_replace("biostor/", '', $id) . '/pages/{page}-{size}';
//$dc->resources->page->text = "http://direct.biostor.org/reference" . str_replace("biostor/", '', $id) . '/pages/{page}';
$dc->resources->search = "http://direct.biostor.org/dvs/100700/json?q={query}";
$dc->sections = array();
$dc->annotations = array();
}
header("Content-type: text/plain");
if ($callback != '')
{
echo $callback . '(';
}
echo json_encode($dc);
if ($callback != '')
{
echo ')';
}
}
//--------------------------------------------------------------------------------------------------
// Documentcloud page
function display_documentcloud_page ($id, $page, $size, $callback = '')
{
global $config;
global $couch;
global $memcache;
global $cacheAvailable;
$image_url = '';
$image = false;
if ($size != '')
{
$image = true;
}
$obj = null;
// grab JSON from CouchDB
$couch_id = $id;
if ($cacheAvailable == true)
{
$obj = $memcache->get($couch_id);
}
if ($obj)
{
$obj->status = 200;
}
else
{
// fetch from CouchDB
$obj = new stdclass;
$resp = $couch->send("GET", "/" . $config['couchdb_options']['database'] . "/" . urlencode($couch_id));
$reference = json_decode($resp);
if (isset($reference->error))
{
$obj->status = 404;
}
else
{
$obj = $reference;
$obj->status = 200;
if ($cacheAvailable == true)
{
$memcache->set($couch_id, $reference);
}
}
}
if ($obj)
{
$keys = array();
foreach ($obj->bhl_pages as $k => $v)
{
$pages[] = $v;
}
$PageID = $pages[$page - 1];
if ($image)
{
switch ($size)
{
case 'small':
$image_url = 'http://www.biodiversitylibrary.org/pagethumb/' . $PageID . ',100,100';
if ($config['use_cloudimage'])
{
$image_url = 'http://exeg5le.cloudimg.io/s/width/700/http://www.biodiversitylibrary.org/pagethumb/' . $PageID . ',60,60';
}
if ($config['use_image_proxy'])
{
$image_url = $config['web_root'] . 'page/image/' . $PageID . '-small.jpg';
}
break;
case 'normal':
default:
$image_url = 'http://www.biodiversitylibrary.org/pagethumb/' . $PageID . ',800,800';
if ($config['use_cloudimage'])
{
$image_url = 'http://exeg5le.cloudimg.io/s/width/700/http://www.biodiversitylibrary.org/pagethumb/' . $PageID . ',500,500';
}
if ($config['use_image_proxy'])
{
$image_url = $config['web_root'] . 'page/image/' . $PageID . '-normal.jpg';
}
break;
}
}
else
{
// dummy text for now
$text = "[dummy text]";
header('Content-type: text/plain');
if ($callback != '')
{
echo $callback .'(';
}
echo json_encode($text);
if ($callback != '')
{
echo ')';
}
}
}
if ($image)
{
header("Cache-control: max-age=3600");
header("Location: $image_url\n\n");
exit(0);
}
}
//--------------------------------------------------------------------------------------------------
function main()
{
$callback = '';
$handled = false;
//print_r($_GET);
// If no query parameters
if (count($_GET) == 0)
{
default_display();
exit(0);
}
if (isset($_GET['callback']))
{
$callback = $_GET['callback'];
}
// Submit job
if (!$handled)
{
if (isset($_GET['id']))
{
$id = $_GET['id'];
if (isset($_GET['page']))
{
$page = $_GET['page'];
$size = '';
if (isset($_GET['size']))
{
$size = $_GET['size'];
}
display_documentcloud_page($id, $page, $size, $callback);
$handled = true;
}
if (!$handled)
{
display_documentcloud($id, $callback);
$handled = true;
}
}
}
if (!$handled)
{
default_display();
}
}
main();
?>