simplify feed cache age handling (reduce caching to sequential updates)

master
Andrew Dolgov 12 years ago
parent 5de4010487
commit 5d3e5a1bb2

@ -104,9 +104,9 @@
// Test if feed is currently being updated by another process.
if (DB_TYPE == "pgsql") {
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '10 minutes')";
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '1 minutes')";
} else {
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 10 MINUTE))";
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 1 MINUTE))";
}
// Test if there is a limit to number of updated feeds
@ -116,7 +116,8 @@
$query = "SELECT DISTINCT ttrss_feeds.feed_url, ttrss_feeds.last_updated
FROM
ttrss_feeds, ttrss_users, ttrss_user_prefs
WHERE
WHERE
ttrss_feeds.feed_url like '%tt-rss%feed%' AND
ttrss_feeds.owner_uid = ttrss_users.id
AND ttrss_users.id = ttrss_user_prefs.owner_uid
AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
@ -245,14 +246,6 @@
$cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml";
// Ignore cache if new feed or manual update.
$cache_age = ($no_cache || is_null($last_updated) || strpos($last_updated, '1970-01-01') === 0) ? 30 : get_feed_update_interval($feed) * 60;
_debug("cache filename: $cache_filename exists: " . file_exists($cache_filename), $debug_enabled);
_debug("cache age: $cache_age; no cache: $no_cache", $debug_enabled);
$cached_feed_data_hash = false;
$rss = false;
$rss_hash = false;
$cache_timestamp = file_exists($cache_filename) ? filemtime($cache_filename) : 0;
@ -262,7 +255,7 @@
if (file_exists($cache_filename) &&
is_readable($cache_filename) &&
!$auth_login && !$auth_pass &&
filemtime($cache_filename) > time() - $cache_age) {
filemtime($cache_filename) > time() - 30) {
_debug("using local cache.", $debug_enabled);

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