From a4d959b8a2254d173bdf45f418f6add9f6f62cda Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Wed, 29 Apr 2009 12:05:31 -0400
Subject: [PATCH] Public stream uses IDs method

Public stream now uses IDs method
---
 classes/Notice.php | 55 ++++++++++++++++++++++++++++++++++++----------
 1 file changed, 44 insertions(+), 11 deletions(-)

diff --git a/classes/Notice.php b/classes/Notice.php
index faabb1e140..6a7522bd32 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -635,25 +635,58 @@ class Notice extends Memcached_DataObject
 
     function publicStream($offset=0, $limit=20, $since_id=0, $before_id=0, $since=null)
     {
+        $ids = Notice::stream(array('Notice', '_publicStreamDirect'),
+                              array(),
+                              'public',
+                              $offset, $limit, $since_id, $before_id, $since);
 
-        $parts = array();
+        return Notice::getStreamByIds($ids);
+    }
 
-        $qry = 'SELECT * FROM notice ';
+    function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $before_id=0, $since=null)
+    {
+        $notice = new Notice();
+
+        $notice->selectAdd(); // clears it
+        $notice->selectAdd('id');
+
+        $notice->orderBy('id DESC');
+
+        if (!is_null($offset)) {
+            $notice->limit($offset, $limit);
+        }
 
         if (common_config('public', 'localonly')) {
-            $parts[] = 'is_local = 1';
+            $notice->whereAdd('is_local = 1');
         } else {
             # -1 == blacklisted
-            $parts[] = 'is_local != -1';
+            $notice->whereAdd('is_local != -1');
         }
 
-        if ($parts) {
-            $qry .= ' WHERE ' . implode(' AND ', $parts);
+        if ($since_id != 0) {
+            $notice->whereAdd('id > ' . $since_id);
         }
 
-        return Notice::getStream($qry,
-                                 'public',
-                                 $offset, $limit, $since_id, $before_id, null, $since);
+        if ($before_id != 0) {
+            $notice->whereAdd('id < ' . $before_id);
+        }
+
+        if (!is_null($since)) {
+            $notice->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
+        }
+
+        $ids = array();
+
+        if ($notice->find()) {
+            while ($notice->fetch()) {
+                $ids[] = $notice->id;
+            }
+        }
+
+        $notice->free();
+        $notice = NULL;
+
+        return $ids;
     }
 
     function addToInboxes()
@@ -990,7 +1023,7 @@ class Notice extends Memcached_DataObject
             return $ids;
         }
 
-        $laststr = common_cache_key($idkey.';last');
+        $laststr = $cache->get($idkey.';last');
 
         if (!empty($laststr)) {
             $window = explode(',', $laststr);
@@ -1013,7 +1046,7 @@ class Notice extends Memcached_DataObject
         $window = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
                                                                      0, 0, null)));
 
-        $windowstr = implode(',', $new_window);
+        $windowstr = implode(',', $window);
 
         $result = $cache->set($idkey, $windowstr);
         $result = $cache->set($idkey . ';last', $windowstr);