From 8587c6d80aed5e978b52325f80175392c3961eea Mon Sep 17 00:00:00 2001
From: kevinjardine <kevinjardine@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 4 Mar 2009 13:17:20 +0000
Subject: Added has_access_to_entity function

git-svn-id: https://code.elgg.org/elgg/trunk@3068 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/access.php | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

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

diff --git a/engine/lib/access.php b/engine/lib/access.php
index 8f8373524..ecdcaad3b 100644
--- a/engine/lib/access.php
+++ b/engine/lib/access.php
@@ -259,6 +259,33 @@ END;
 			return '('.$sql.')';
 		}
 		
+		/**
+		 * Determines whether the given user has access to the given entity
+		 * 
+		 * @param ElggEntity $entity The entity to check access for.
+		 * @param ElggUser $user Optionally the user to check access for.
+		 * 
+		 * @return boolean True if the user can access the entity
+		 */
+		
+		function has_access_to_entity($entity,$user = null) {
+			global $CONFIG;
+			
+			if (!isset($user)) {
+				$access_bit = get_access_sql_suffix("e");
+			} else {
+				$access_bit = get_access_sql_suffix("e",$user->getGUID());
+			}
+			
+			$query = "SELECT guid from {$CONFIG->dbprefix}entities e WHERE e.guid = ".$entity->getGUID();
+			$query .= " AND ".$access_bit; // Add access controls
+			if (get_data($query)) {
+				return true;
+			} else {
+				return false;
+			}			
+		}
+		
 		/**
 		 * Returns an array of access permissions that the specified user is allowed to save objects with.
 		 * Permissions are of the form ('id' => 'Description')
-- 
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