From c3f2d195f934c4deff91d30640ec703cb576e55d Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Mon, 1 Dec 2008 23:50:21 -0500
Subject: [PATCH] generate an etag for shownotice

darcs-hash:20081202045021-5ed1f-ca0f14051507602bab8898e1e99d9cdb69f2eadc.gz
---
 actions/shownotice.php | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/actions/shownotice.php b/actions/shownotice.php
index cedf09678a..d32846aadc 100644
--- a/actions/shownotice.php
+++ b/actions/shownotice.php
@@ -42,14 +42,24 @@ class ShownoticeAction extends StreamAction {
 			return false;
 		}
 
+		$this->avatar = $this->profile->getAvatar(AVATAR_STREAM_SIZE);
+
 		return true;
 	}
 
 	function last_modified() {
-		$avatar = $this->profile->getAvatar(AVATAR_STREAM_SIZE);
 		return max(strtotime($this->notice->modified),
 				   strtotime($this->profile->modified),
-				   ($avatar) ? strtotime($this->avatar->modified) : 0);
+				   ($this->avatar) ? strtotime($this->avatar->modified) : 0);
+	}
+
+	function etag() {
+		return 'W/"' . implode(':', array($this->arg('action'),
+										  common_language(),
+										  $this->notice->id,
+										  strtotime($this->notice->modified),
+										  strtotime($this->profile->modified),
+										  ($this->avatar) ? strtotime($this->avatar->modified) : 0));
 	}
 
 	function handle($args) {