From 5c13b26a250c5bd8cc18790d5b39fc46c86020f8 Mon Sep 17 00:00:00 2001
From: marcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 30 Jul 2008 13:54:45 +0000
Subject: Refs #186: Get URL for relationships

git-svn-id: https://code.elgg.org/elgg/trunk@1601 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/extender.php      | 49 ++++++++++++++--------------
 engine/lib/relationships.php | 77 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+), 25 deletions(-)

(limited to 'engine')

diff --git a/engine/lib/extender.php b/engine/lib/extender.php
index 20b1750f5..e444a4d55 100644
--- a/engine/lib/extender.php
+++ b/engine/lib/extender.php
@@ -375,7 +375,7 @@
 		if (!isset($CONFIG->extender_url_handler[$extender_type])) {
 			$CONFIG->extender_url_handler[$extender_type] = array();
 		}
-		$CONFIG->entity_url_handler[$extender_type][$extender_name] = $function_name;
+		$CONFIG->extender_url_handler[$extender_type][$extender_name] = $function_name;
 		
 		return true;
 		
@@ -391,33 +391,32 @@
 	{
 		global $CONFIG;
 		
-		
 		$view = elgg_get_viewtype(); 
 			
-			$guid = $extender->entity_guid;
-			$type = $extender->type;
-			
-			$url = "";
-			
-			$function = "";
-			if (isset($CONFIG->extender_url_handler[$type][$extender->name]))
-				$function = $CONFIG->extender_url_handler[$type][$extender->name];
-			if (isset($CONFIG->extender_url_handler[$type]['all']))
-				$function = $CONFIG->extender_url_handler[$type]['all'];
-			if (isset($CONFIG->extender_url_handler['all']['all']))
-				$function = $CONFIG->extender_url_handler['all']['all'];
-				
-			if (is_callable($function)) {
-				$url = $function($extender);
-			}
+		$guid = $extender->entity_guid;
+		$type = $extender->type;
+		
+		$url = "";
+		
+		$function = "";
+		if (isset($CONFIG->extender_url_handler[$type][$extender->name]))
+			$function = $CONFIG->extender_url_handler[$type][$extender->name];
+		if (isset($CONFIG->extender_url_handler[$type]['all']))
+			$function = $CONFIG->extender_url_handler[$type]['all'];
+		if (isset($CONFIG->extender_url_handler['all']['all']))
+			$function = $CONFIG->extender_url_handler['all']['all'];
 			
-			if ($url == "") {
-				$nameid = $extender->id;
-				if ($type == 'volatile')
-					$nameid== $extender->name;
-				$url = $CONFIG->wwwroot  . "export/$view/$guid/$type/$nameid/";
-			} 
-			return $url;
+		if (is_callable($function)) {
+			$url = $function($extender);
+		}
+		
+		if ($url == "") {
+			$nameid = $extender->id;
+			if ($type == 'volatile')
+				$nameid== $extender->name;
+			$url = $CONFIG->wwwroot  . "export/$view/$guid/$type/$nameid/";
+		} 
+		return $url;
 	}
 	
 	/** Register the hook */
diff --git a/engine/lib/relationships.php b/engine/lib/relationships.php
index 8e9768a8c..ffb2d1ee4 100644
--- a/engine/lib/relationships.php
+++ b/engine/lib/relationships.php
@@ -107,6 +107,16 @@
 		{ 
 			return delete_relationship($this->id); 
 		}
+		
+		/**
+		 * Get a URL for this relationship.
+		 *
+		 * @return string
+		 */
+		public function getURL()
+		{
+			return get_relationship_url($this->id);
+		}
 	
 		// EXPORTABLE INTERFACE ////////////////////////////////////////////////////////////
 		
@@ -532,6 +542,73 @@
 		
 	}
 	
+	/**
+	 * Sets the URL handler for a particular relationship type
+	 *
+	 * @param string $function_name The function to register
+	 * @param string $relationship_type The relationship type.
+	 * @return true|false Depending on success
+	 */
+	function register_relationship_url_handler($function_name, $relationship_type = "all") {
+		global $CONFIG;
+		
+		if (!is_callable($function_name)) return false;
+		
+		if (!isset($CONFIG->relationship_url_handler)) {
+			$CONFIG->relationship_url_handler = array();
+		}
+		
+		$CONFIG->relationship_url_handler[$relationship_type] = $function_name;
+		
+		return true;
+		
+	}
+	
+	/**
+	 * Get the url for a given relationship.
+	 *
+	 * @param unknown_type $id
+	 * @return unknown
+	 */
+	function get_relationship_url($id)
+	{
+		global $CONFIG;
+		
+		$id = (int)$id;
+		
+		if ($relationship = get_relationship($id))
+		{
+			$view = elgg_get_viewtype(); 
+				
+			$guid = $relationship->guid_one;
+			$type = $relationship->relationship;
+			
+			$url = "";
+			
+			$function = "";
+			if (isset($CONFIG->relationship_url_handler[$type]))
+				$function = $CONFIG->relationship_url_handler[$type];
+			if (isset($CONFIG->relationship_url_handler['all']))
+				$function = $CONFIG->relationship_url_handler['all'];
+				
+			if (is_callable($function)) {
+				$url = $function($relationship);
+			}
+			
+			if ($url == "") {
+				
+				$nameid = $relationship->id;
+				
+				$url = $CONFIG->wwwroot  . "export/$view/$guid/relationship/$nameid/";
+			} 
+			
+			return $url;
+			
+		}
+		
+		return false;
+	}
+	
 	/**** HELPER FUNCTIONS FOR RELATIONSHIPS OF TYPE 'ATTACHED' ****/
 	
 	 /**
-- 
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