From 8d53a7d463e3cc21f1db6b0b8df31d3b51cbd820 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Sun, 28 Sep 2008 14:09:04 -0400
Subject: [PATCH] cache tag streams in Memcached, too

darcs-hash:20080928180904-5ed1f-ebf95f6f04ee4128a1ab2bb9a6a06a946926665d.gz
---
 actions/tag.php        | 14 ++------------
 classes/Notice_tag.php | 30 ++++++++++++++++++++++++++++--
 2 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/actions/tag.php b/actions/tag.php
index 52d91d724e..f8fea341ac 100644
--- a/actions/tag.php
+++ b/actions/tag.php
@@ -159,18 +159,8 @@ class TagAction extends StreamAction {
 
 	function show_notices($tag) {
 
-		$tags = DB_DataObject::factory('Notice_tag');
-
-		$tags->tag = $tag;
-
-		$tags->orderBy('created DESC');
-
-		$page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
-
-		$tags->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
-
-		$cnt = $tags->find();
-
+		$notices = Notice_tag::getStream((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
+		
 		if ($cnt > 0) {
 			common_element_start('ul', array('id' => 'notices'));
 			for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
diff --git a/classes/Notice_tag.php b/classes/Notice_tag.php
index 7f950d9463..0f4c2f0d5c 100644
--- a/classes/Notice_tag.php
+++ b/classes/Notice_tag.php
@@ -1,7 +1,22 @@
 <?php
-/**
- * Table Definition for notice_tag
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
 
 class Notice_tag extends Memcached_DataObject 
@@ -19,4 +34,15 @@ class Notice_tag extends Memcached_DataObject
 
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
+	
+	static function noticeStream($tag, $offset=0, $limit=20) {
+		$qry = 
+		  'SELECT notice.* ' .
+		  'FROM notice JOIN notice_tag ON notice.id = notice_tag.notice_id ' .
+		  'WHERE notice_tag.tag = "%s"';
+
+		return Notice::getStream(sprintf($qry, $tag),
+								 'notice_tag:notice_stream:' . $tag,
+								 $offset, $limit);
+	}
 }
-- 
2.39.5