From 438a0d7f1c23d176f380d6f5dba181ec54722b83 Mon Sep 17 00:00:00 2001 From: Evan Prodromou Date: Sat, 12 Dec 2009 16:58:39 -0500 Subject: remove obsoleted getStream, getStreamDirect, getCachedStream from Notice; use stream() instead --- classes/Notice.php | 187 ----------------------------------------------------- 1 file changed, 187 deletions(-) (limited to 'classes') diff --git a/classes/Notice.php b/classes/Notice.php index 7d2b898d2..66d9cf5d4 100644 --- a/classes/Notice.php +++ b/classes/Notice.php @@ -655,193 +655,6 @@ class Notice extends Memcached_DataObject } } - # XXX: too many args; we need to move to named params or even a separate - # class for notice streams - - static function getStream($qry, $cachekey, $offset=0, $limit=20, $since_id=0, $max_id=0, $order=null, $since=null) { - - if (common_config('memcached', 'enabled')) { - - # Skip the cache if this is a since, since_id or max_id qry - if ($since_id > 0 || $max_id > 0 || $since) { - return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $max_id, $order, $since); - } else { - return Notice::getCachedStream($qry, $cachekey, $offset, $limit, $order); - } - } - - return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $max_id, $order, $since); - } - - static function getStreamDirect($qry, $offset, $limit, $since_id, $max_id, $order, $since) { - - $needAnd = false; - $needWhere = true; - - if (preg_match('/\bWHERE\b/i', $qry)) { - $needWhere = false; - $needAnd = true; - } - - if ($since_id > 0) { - - if ($needWhere) { - $qry .= ' WHERE '; - $needWhere = false; - } else { - $qry .= ' AND '; - } - - $qry .= ' notice.id > ' . $since_id; - } - - if ($max_id > 0) { - - if ($needWhere) { - $qry .= ' WHERE '; - $needWhere = false; - } else { - $qry .= ' AND '; - } - - $qry .= ' notice.id <= ' . $max_id; - } - - if ($since) { - - if ($needWhere) { - $qry .= ' WHERE '; - $needWhere = false; - } else { - $qry .= ' AND '; - } - - $qry .= ' notice.created > \'' . date('Y-m-d H:i:s', $since) . '\''; - } - - # Allow ORDER override - - if ($order) { - $qry .= $order; - } else { - $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 $notice; - } - - # XXX: this is pretty long and should probably be broken up into - # some helper functions - - static function getCachedStream($qry, $cachekey, $offset, $limit, $order) { - - # If outside our cache window, just go to the DB - - if ($offset + $limit > NOTICE_CACHE_WINDOW) { - return Notice::getStreamDirect($qry, $offset, $limit, null, null, $order, null); - } - - # Get the cache; if we can't, just go to the DB - - $cache = common_memcache(); - - if (empty($cache)) { - return Notice::getStreamDirect($qry, $offset, $limit, null, null, $order, null); - } - - # 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 !== false) { - $wrapper = new ArrayWrapper(array_slice($notices, $offset, $limit)); - return $wrapper; - } - - # If the cache was invalidated because of new data being - # added, we can try and just get the new stuff. We keep an additional - # copy of the data at the key + ';last' - - # No cache hit. Try to get the *last* cached version - - $last_notices = $cache->get(common_cache_key($cachekey) . ';last'); - - if ($last_notices) { - - # Reverse-chron order, so last ID is last. - - $last_id = $last_notices[0]->id; - - # XXX: this assumes monotonically increasing IDs; a fair - # bet with our DB. - - $new_notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW, - $last_id, null, $order, null); - - if ($new_notice) { - $new_notices = array(); - while ($new_notice->fetch()) { - $new_notices[] = clone($new_notice); - } - $new_notice->free(); - $notices = array_slice(array_merge($new_notices, $last_notices), - 0, NOTICE_CACHE_WINDOW); - - # Store the array in the cache for next time - - $result = $cache->set(common_cache_key($cachekey), $notices); - $result = $cache->set(common_cache_key($cachekey) . ';last', $notices); - - # return a wrapper of the array for use now - - return new ArrayWrapper(array_slice($notices, $offset, $limit)); - } - } - - # Otherwise, get the full cache window out of the DB - - $notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW, null, null, $order, null); - - # If there are no hits, just return the value - - if (empty($notice)) { - return $notice; - } - - # Pack results into an array - - $notices = array(); - - while ($notice->fetch()) { - $notices[] = clone($notice); - } - - $notice->free(); - - # Store the array in the cache for next time - - $result = $cache->set(common_cache_key($cachekey), $notices); - $result = $cache->set(common_cache_key($cachekey) . ';last', $notices); - - # return a wrapper of the array for use now - - $wrapper = new ArrayWrapper(array_slice($notices, $offset, $limit)); - - return $wrapper; - } - function getStreamByIds($ids) { $cache = common_memcache(); -- cgit v1.2.3-54-g00ecf