Marcus Povey <marcus@dushka.co.uk>

* Refactored export to services/export for future expansion of other rest style endpoints


git-svn-id: https://code.elgg.org/elgg/trunk@648 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 108 insertions, 0 deletions

diff --git a/services/export/handler.php b/services/export/handler.php
new file mode 100644
index 000000000..2c8643a73
--- /dev/null
+++ b/services/export/handler.php
@@ -0,0 +1,108 @@
+<?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
+	$id_or_name = get_input("idname"); // Either a number or the key name (if attribute)
+	
+	
+	
+	// Only export the GUID
+	if (
+		($guid!="") &&
+		($type=="") &&
+		($id_or_name=="")
+	)
+	{
+		page_draw("GUID:$guid", elgg_view("export/entity", array("entity" => get_entity($guid), "uuid" => guid_to_uuid($guid))));
+	}
+	
+	// Export an individual attribute
+	else if (
+		($guid!="") &&
+		($type!="") &&
+		($id_or_name!="")
+	)
+	{
+		// Get a uuid
+		$entity = get_entity($guid);
+		$uuid = guid_to_uuid($entity->getGUID()) . "$type/$id_or_name/";
+		
+		switch ($type)
+		{
+			case 'attr' : // TODO: Do this better? - This is a bit of a hack...
+				$v = $entity->get($id_or_name);
+				if (!$v) throw new InvalidParameterException("Sorry, '$id_or_name' does not exist for guid:$guid");
+				
+				$m = new ElggMetadata();
+				
+				$m->value = $v;
+				$m->name = $id_or_name;
+				$m->entity_guid = $guid;
+				$m->time_created = $entity->time_created;
+				$m->time_updated = $entity->time_updated;
+				$m->owner_guid = $entity->owner_guid;
+				$m->id = $id_or_name;
+				$m->type = "attr";
+			break;
+			case 'metadata' : 
+				$m = get_metadata($id_or_name);
+			break;
+			case 'annotation' : 
+				$m = get_annotation($id_or_name);
+			break;	
+			case 'relationship' :
+				$r = get_relationship($id_or_name);
+			break;
+				
+			default :
+				throw new InvalidParameterException("Sorry, I don't know how to export '$type'");
+		}
+		
+		// Render metadata or relationship
+		if ((!$m) && (!$r))
+			throw new InvalidParameterException("Could not find any data.");
+			
+		// Exporting metadata?
+		if ($m)
+		{
+			if ($m->entity_guid!=$entity->guid)
+				throw new InvalidParameterException("Does not belong to entity.");
+			
+			page_draw("$type:$id_or_name", elgg_view("export/metadata", array("metadata" => $m, "uuid" => $uuid)));
+		}
+		
+		// Exporting relationship
+		if ($r)
+		{
+			if (
+				($r->guid_one!=$entity->guid) ||
+				($r->guid_two!=$entity->guid)
+			)
+				throw new InvalidParameterException("Does not belong to entity or refer to entity.");
+			
+			page_draw("$type:$id_or_name", elgg_view("export/relationship", array("relationship" => $r, "uuid" => $uuid)));
+		}
+	}
+	
+	// Something went wrong
+	else
+		throw new InvalidParameterException("Missing parmeter, you need to provide a GUID ");
+	
+?>
\ No newline at end of file