Marcus Povey <marcus@dushka.co.uk>

* ODD handler added, still needs modrewrite rules to be specified.

git-svn-id: https://code.elgg.org/elgg/trunk@467 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 96 insertions, 0 deletions

diff --git a/odd/handler.php b/odd/handler.php
new file mode 100644
index 000000000..4dd129f05
--- /dev/null
+++ b/odd/handler.php
@@ -0,0 +1,96 @@
+<?php
+	/**
+	 * Open Document Definition Handler.
+	 * This file acts as the endpoint for ODD UUID url requests, exporting the requested data as an
+	 * ODD XML file. 
+	 * 
+	 * @package Elgg
+	 * @subpackage ODD
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.org/
+	 */
+
+	require_once("../engine/start.php");
+
+	// Get input values, these will be mapped via modrewrite
+	$guid = get_input("guid"); // guid of the entity
+
+	// For attributes eg http://example.com/odd/73/attr/owner_uuid/ or http://example.com/odd/73/metadata/86/
+	$type = get_input("type"); // attr, metadata, annotation
+	$id_or_name = get_input("idname"); // Either a number or the key name (if attribute)
+	
+	$owner = page_owner();	// Obvious
+$_SESSION['id'] = 2;
+
+	if (
+		($guid!="") &&
+		($type=="") &&
+		($id_or_name=="")
+	)
+	{
+		// Only export the GUID, easy.
+		$export = export($guid);
+		
+		header("Content-Type: text/xml");
+		echo $export;
+	}
+	else if (
+		($guid!="") &&
+		($type!="") &&
+		($id_or_name!="")
+	)
+	{
+		// Outputting an individual attribute
+		
+	
+		$odd = "";
+		$entity = get_entity($guid);
+		$uuid = guid_to_uuid($entity->getGUID());
+		
+		if (!$entity) throw new InvalidParameterException("Could not find an entity matching query.");
+				
+		switch ($type)
+		{
+			case 'attr' : // TODO: Do this better
+				$odd = new ODDMetaData($uuid . "attr/$id_or_name/", $uuid, $id_or_name, $entity->get($id_or_name));
+			break;
+			
+			case 'metadata' :
+				$m = get_metadata($id_or_name);
+				if (!$m)
+					throw new InvalidParameterException("Could not find specified item of metadata");
+					
+				if ($m->entity_guid!=$entity->guid)
+					throw new InvalidParameterException("Does not belong to entity.");
+					
+				$odd = new ODDMetaData($uuid . "metadata/$id_or_name/", $uuid, $id_or_name, $m->value);
+			break;
+			
+			case 'annotation' : 
+				$m = get_annotation($id_or_name);
+				if (!$m)
+					throw new InvalidParameterException("Could not find specified annotation");
+					
+				if ($m->entity_guid!=$entity->guid)
+					throw new InvalidParameterException("Does not belong to entity.");
+					
+				$odd = new ODDMetaData($uuid . "annotation/$id_or_name/", $uuid, $id_or_name, $m->value);
+			break;
+			
+			default :
+				throw new InvalidParameterException("Sorry, I don't know how to export '$type'");
+				
+		}
+		
+		// echo it
+		header("Content-Type: text/xml");
+		echo "<odd>\n";
+		echo new ODDHeader();
+		echo "$odd";
+		echo "</odd>\n";
+	}
+	else
+		throw new InvalidParameterException("Missing parmeter, you need to provide a GUID ");
+?>
\ No newline at end of file