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-rw-r--r--classes/Notice.php164
-rw-r--r--classes/User.php116
2 files changed, 214 insertions, 66 deletions
diff --git a/classes/Notice.php b/classes/Notice.php
index b42a8726e..5bf8a2de8 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -24,6 +24,11 @@ if (!defined('LACONICA')) { exit(1); }
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
+/* We keep the first three 20-notice pages, plus one for pagination check,
+ * in the memcached cache. */
+
+define('NOTICE_CACHE_WINDOW', 61);
+
class Notice extends Memcached_DataObject
{
###START_AUTOCODE
@@ -52,6 +57,12 @@ class Notice extends Memcached_DataObject
return Profile::staticGet($this->profile_id);
}
+ function delete() {
+ $this->blowCaches();
+ $this->blowFavesCache();
+ parent::delete();
+ }
+
function saveTags() {
/* extract all #hastags */
$count = preg_match_all('/(?:^|\s)#([A-Za-z0-9_\-\.]{1,64})/', strtolower($this->content), $match);
@@ -118,11 +129,18 @@ class Notice extends Memcached_DataObject
# XXX: someone clever could prepend instead of clearing the cache
if (common_config('memcached', 'enabled')) {
- $notice->blowSubsCache();
+ $notice->blowCaches();
}
return $notice;
}
+
+ function blowCaches() {
+ $this->blowSubsCache();
+ $this->blowNoticeCache();
+ $this->blowRepliesCache();
+ $this->blowPublicCache();
+ }
function blowSubsCache() {
$cache = common_memcache();
@@ -141,4 +159,148 @@ class Notice extends Memcached_DataObject
unset($user);
}
}
+
+ function blowNoticeCache() {
+ if ($this->is_local) {
+ $cache = common_memcache();
+ if ($cache) {
+ $cache->delete(common_cache_key('user:notices:'.$this->profile_id));
+ }
+ }
+ }
+
+ function blowRepliesCache() {
+ $cache = common_memcache();
+ if ($cache) {
+ $reply = new Reply();
+ $reply->notice_id = $this->id;
+ if ($reply->find()) {
+ while ($reply->fetch()) {
+ $cache->delete(common_cache_key('user:replies:'.$reply->profile_id));
+ }
+ }
+ $reply->free();
+ unset($reply);
+ }
+ }
+
+ function blowPublicCache() {
+ if ($this->is_local) {
+ $cache = common_memcache();
+ if ($cache) {
+ $cache->delete(common_cache_key('public'));
+ }
+ }
+ }
+
+ function blowFavesCache() {
+ $cache = common_memcache();
+ if ($cache) {
+ $fave = new Fave();
+ $fave->notice_id = $this->id;
+ if ($fave->find()) {
+ while ($fave->fetch()) {
+ $cache->delete(common_cache_key('user:faves:'.$fave->user_id));
+ }
+ }
+ $fave->free();
+ unset($fave);
+ }
+ }
+
+ static function getStream($qry, $cachekey, $offset=0, $limit=20) {
+
+ if (common_config('memcached', 'enabled')) {
+ return Notice::getCachedStream($qry, $cachekey, $offset, $limit);
+ } else {
+ return Notice::getStreamDirect($qry, $offset, $limit);
+ }
+
+ }
+
+ static function getStreamDirect($qry, $offset, $limit) {
+
+ $qry .= 'ORDER BY notice.created DESC, notice.id DESC ';
+
+ if(common_config('db','type')=='pgsql') {
+ $qry .= 'LIMIT ' . $limit . ' OFFSET ' . $offset;
+ } else {
+ $qry .= 'LIMIT ' . $offset . ', ' . $limit;
+ }
+
+ $notice = new Notice();
+
+ $notice->query($qry);
+
+ return $notice;
+ }
+
+ static function getCachedStream($qry, $cachekey, $offset, $limit) {
+
+ # If outside our cache window, just go to the DB
+
+ if ($offset + $limit > NOTICE_CACHE_WINDOW) {
+ return Notice::getStreamDirect($qry, $offset, $limit);
+ }
+
+ # Get the cache; if we can't, just go to the DB
+
+ $cache = common_memcache();
+
+ if (!$cache) {
+ return Notice::getStreamDirect($qry, $offset, $limit);
+ }
+
+ # Get the notices out of the cache
+
+ $notices = $cache->get(common_cache_key($cachekey));
+
+ # On a cache hit, return a DB-object-like wrapper
+
+ if ($notices) {
+ $wrapper = new NoticeWrapper(array_slice($notices, $offset, $limit));
+ return $wrapper;
+ }
+
+ # Otherwise, get the full cache window out of the DB
+
+ $notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW);
+
+ # If there are no hits, just return the value
+
+ if (!$notice) {
+ return $notice;
+ }
+
+ # Pack results into an array
+
+ $notices = array();
+
+ while ($notice->fetch()) {
+ $notices[] = clone($notice);
+ }
+
+ # Store the array in the cache for next time
+
+ $cache->set(common_cache_key($cachekey), $notices);
+
+ # return a wrapper of the array for use now
+
+ $wrapper = new NoticeWrapper(array_slice($notices, $offset, $limit));
+ return $wrapper;
+ }
+
+ function publicStream($page) {
+
+ $qry = 'SELECT * FROM notice ';
+
+ if (common_config('public', 'localonly')) {
+ $qry .= ' WHERE is_local = 1 ';
+ }
+
+ return Notice::getStream($qry,
+ 'public',
+ ($page-1)*NOTICES_PER_PAGE,
+ NOTICES_PER_PAGE + 1);
+ }
}
diff --git a/classes/User.php b/classes/User.php
index de260035a..b8af0d0a6 100644
--- a/classes/User.php
+++ b/classes/User.php
@@ -19,11 +19,6 @@
if (!defined('LACONICA')) { exit(1); }
-/* We keep the first three 20-notice pages, plus one for pagination check,
- * in the memcached cache. */
-
-define('WITHFRIENDS_CACHE_WINDOW', 61);
-
/**
* Table Definition for user
*/
@@ -153,60 +148,8 @@ class User extends Memcached_DataObject
return true;
}
- function noticesWithFriends($offset=0, $limit=20) {
-
- # We clearly need a more elegant way to make this work.
-
- if (common_config('memcached', 'enabled')) {
- if ($offset + $limit <= WITHFRIENDS_CACHE_WINDOW) {
- $cached = $this->noticesWithFriendsWindow();
- $wrapper = new NoticeWrapper(array_slice($cached, $offset, $limit));
- return $wrapper;
- }
- }
-
- $notice = new Notice();
-
- $query='SELECT notice.* ' .
- 'FROM notice JOIN subscription on notice.profile_id = subscription.subscribed ' .
- 'WHERE subscription.subscriber = ' . $this->id . ' ' .
- 'ORDER BY created DESC, notice.id DESC ';
- if(common_config('db','type')=='pgsql') {
- $query=$query . 'LIMIT ' . $limit . ' OFFSET ' . $offset;
- } else {
- $query=$query . 'LIMIT ' . $offset . ', ' . $limit;
- }
- $notice->query($query);
-
- return $notice;
- }
-
- function favoriteNotices($offset=0, $limit=20) {
-
- $notice = new Notice();
-
- $notice->query('SELECT notice.* ' .
- 'FROM notice JOIN fave on notice.id = fave.notice_id ' .
- 'WHERE fave.user_id = ' . $this->id . ' ' .
- 'ORDER BY notice.created DESC, notice.id DESC ' .
- 'LIMIT ' . $offset . ', ' . $limit);
-
- return $notice;
- }
-
function noticesWithFriendsWindow() {
- $cache = common_memcache();
-
- if (!$cache) {
- return NULL;
- }
-
- $notices = $cache->get(common_cache_key('user:notices_with_friends:' . $this->id));
-
- if ($notices) {
- return $notices;
- }
$notice = new Notice();
@@ -216,14 +159,6 @@ class User extends Memcached_DataObject
'ORDER BY created DESC, notice.id DESC ' .
'LIMIT 0, ' . WITHFRIENDS_CACHE_WINDOW);
- $notices = array();
-
- while ($notice->fetch()) {
- $notices[] = clone($notice);
- }
-
- $cache->set(common_cache_key('user:notices_with_friends:' . $this->id), $notices);
- return $notices;
}
static function register($fields) {
@@ -383,4 +318,55 @@ class User extends Memcached_DataObject
return $user;
}
+
+ function getReplies($offset=0, $limit=NOTICES_PER_PAGE) {
+ $qry =
+ 'SELECT notice.* ' .
+ 'FROM notice JOIN reply ON notice.id = reply.notice_id ' .
+ 'WHERE reply.profile_id = %d ';
+
+ return Notice::getStream(sprintf($qry, $this->id),
+ 'user:replies:'.$this->id,
+ $offset, $limit);
+ }
+
+ function getNotices($offset=0, $limit=NOTICES_PER_PAGE) {
+ $qry =
+ 'SELECT * ' .
+ 'FROM notice ' .
+ 'WHERE profile_id = %d ';
+
+ return Notice::getStream(sprintf($qry, $this->id),
+ 'user:notices:'.$this->id,
+ $offset, $limit);
+ }
+
+ function favoriteNotices($offset=0, $limit=NOTICES_PER_PAGE) {
+ $qry =
+ 'SELECT notice.* ' .
+ 'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
+ 'WHERE fave.profile_id = %d ';
+
+ return Notice::getStream(sprintf($qry, $this->id),
+ 'user:faves:'.$this->id,
+ $offset, $limit);
+ }
+
+ function noticesWithFriends($offset=0, $limit=NOTICES_PER_PAGE) {
+ $qry =
+ 'SELECT notice.* ' .
+ 'FROM notice JOIN subscription ON notice.profile_id = subscription.subscribed ' .
+ 'WHERE subscription.subscriber = %d';
+
+ return Notice::getStream(sprintf($qry, $this->id),
+ 'user:notices_with_friends:' . $this->id,
+ $offset, $limit);
+ }
+
+ function blowFavesCache() {
+ $cache = common_memcache();
+ if ($cache) {
+ $cache->delete(common_cache_key('user:faves:'.$this->id));
+ }
+ }
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-29 05:38:49 +0000