From 6a8eb8ba9317546b9e89b2c68fb6322b8c3bc00d Mon Sep 17 00:00:00 2001
From: marcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 8 Oct 2008 12:42:31 +0000
Subject: Minor optimisations. Introducing exists() on filestores

git-svn-id: https://code.elgg.org/elgg/trunk@2222 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/filestore.php | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

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

diff --git a/engine/lib/filestore.php b/engine/lib/filestore.php
index daed925f5..94ab26594 100644
--- a/engine/lib/filestore.php
+++ b/engine/lib/filestore.php
@@ -117,10 +117,17 @@
 		/**
 		 * Get the contents of the whole file.
 		 *
-		 * @param mixed $f The file handle.
+		 * @param mixed $file The file handle.
 		 * @return mixed The file contents.
 		 */
-		abstract public function grabFile(ElggFile $file);
+		abstract public function grabFile(ElggFile $file);
+		
+		/**
+		 * Return whether a file physically exists or not.
+		 *
+		 * @param ElggFile $file
+		 */
+		abstract public function exists(ElggFile $file);
 		
 	}
 	
@@ -243,6 +250,11 @@
 			
 			return file_get_contents($file->getFilenameOnFilestore());
 			
+		}
+		
+		public function exists(ElggFile $file)
+		{
+			return file_exists($this->getFilenameOnFilestore($file));
 		}
 		
 		/**
@@ -556,6 +568,13 @@
 			return $fs->eof($this->handle);
 		}
 		
+		public function exists()
+		{
+			$fs = $this->getFilestore();
+			
+			return $fs->exists($this);
+		}
+		
 		/**
 		 * Set a filestore.
 		 * 
-- 
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