From 48274a3bb170696c1514db0a3e0fc9484c2d495a Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 21 May 2008 14:44:02 +0000
Subject: Metadata can now be added to before an entity is saved. It will be
 added to the db on save.

git-svn-id: https://code.elgg.org/elgg/trunk@667 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/entities.php | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

(limited to 'engine/lib/entities.php')

diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index 2cadf199c..850da0008 100644
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -31,7 +31,8 @@
 		 * Subclasses should add to this in their constructors.
 		 * Any field not appearing in this will be viewed as a 
 		 */
-		protected $attributes;
+		protected $attributes;
+		protected $temp_metadata;
 				
 		/**
 		 * Initialise the attributes array. 
@@ -45,6 +46,7 @@
 		{
 			// Create attributes array if not already created
 			if (!is_array($this->attributes)) $this->attributes = array();
+			if (!is_array($this->temp_metadata)) $this->temp_metadata = array();
 			
 			$this->attributes['guid'] = "";
 			$this->attributes['type'] = "";
@@ -74,10 +76,15 @@
 				return $this->attributes[$name];
 			}
 			
-			// No, so see if its in the meta data for this entity
-			$meta = $this->getMetaData($name);
-			if ($meta)
-				return $meta;
+			// No, so see if its in the meta data for this entity
+			if (isset($this->guid)) {
+				$meta = $this->getMetaData($name);
+				if ($meta)
+					return $meta;
+			} else {
+				if (isset($this->temp_metadata[$name]))
+					return $this->temp_metadata[$name];
+			}
 			
 			// Can't find it, so return null
 			return null;
@@ -108,8 +115,11 @@
 					
 				$this->attributes[$name] = $value;
 			}
-			else
-				return $this->setMetaData($name, $value);
+			else if (isset($this->guid)) {
+				return $this->setMetaData($name, $value);
+			} else {
+				$this->temp_metadata[$name] = $value;
+			}
 			
 			return true;
 		}
@@ -371,6 +381,14 @@
 			{ 
 				$this->attributes['guid'] = create_entity($this->attributes['type'], $this->attributes['subtype'], $this->attributes['owner_guid'], $this->attributes['access_id']); // Create a new entity (nb: using attribute array directly 'cos set function does something special!)
 				if (!$this->attributes['guid']) throw new IOException("Unable to save new object's base entity information!"); 
+				
+				// Save any unsaved metadata
+				if (sizeof($this->temp_metadata) > 0) {
+					foreach($this->temp_metadata as $name => $value) {
+						$this->$name = $value;
+						unset($this->temp_metadata[$name]);
+					}
+				}
 				
 				return $this->attributes['guid'];
 			}
-- 
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