function hook_update_task()
{
$result = db_query("SELECT content, ttrss_user_entries.owner_uid, link, site_url, ttrss_entries.id, plugin_data\n\t\t\tFROM ttrss_entries, ttrss_user_entries LEFT JOIN ttrss_feeds ON\n\t\t\t\t(ttrss_user_entries.feed_id = ttrss_feeds.id)\n\t\t\tWHERE ref_id = ttrss_entries.id AND\n\t\t\t\tmarked = true AND\n\t\t\t\tUPPER(content) LIKE '%<IMG%' AND\n\t\t\t\tsite_url != '' AND\n\t\t\t\tplugin_data NOT LIKE '%starred_cache_images%'\n\t\t\tORDER BY " . sql_random_function() . " LIMIT 100");
while ($line = db_fetch_assoc($result)) {
if ($line["site_url"]) {
$success = $this->cache_article_images($line["content"], $line["site_url"], $line["owner_uid"], $line["id"]);
if ($success) {
$plugin_data = db_escape_string("starred_cache_images,{$line['owner_uid']}:" . $line["plugin_data"]);
db_query("UPDATE ttrss_entries SET plugin_data = '{$plugin_data}' WHERE id = " . $line["id"]);
}
}
}
}
/**
* Update a feed batch.
* Used by daemons to update n feeds by run.
* Only update feed needing a update, and not being processed
* by another process.
*
* @param mixed $link Database link
* @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
* @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
* @param boolean $debug Set to false to disable debug output. Default to true.
* @return void
*/
function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true)
{
// Process all other feeds using last_updated and interval parameters
// Test if the user has loggued in recently. If not, it does not update its feeds.
if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
if (DB_TYPE == "pgsql") {
$login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '" . DAEMON_UPDATE_LOGIN_LIMIT . " days'";
} else {
$login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL " . DAEMON_UPDATE_LOGIN_LIMIT . " DAY)";
}
} else {
$login_thresh_qpart = "";
}
// Test if the feed need a update (update interval exceded).
if (DB_TYPE == "pgsql") {
$update_limit_qpart = "AND ((\n\t\t\t\t\tttrss_feeds.update_interval = 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)\n\t\t\t\t) OR (\n\t\t\t\t\tttrss_feeds.update_interval > 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)\n\t\t\t\t) OR ttrss_feeds.last_updated IS NULL)";
} else {
$update_limit_qpart = "AND ((\n\t\t\t\t\tttrss_feeds.update_interval = 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)\n\t\t\t\t) OR (\n\t\t\t\t\tttrss_feeds.update_interval > 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)\n\t\t\t\t) OR ttrss_feeds.last_updated IS NULL)";
}
// 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 '120 seconds')";
} else {
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
}
// Test if there is a limit to number of updated feeds
$query_limit = "";
if ($limit) {
$query_limit = sprintf("LIMIT %d", $limit);
}
$random_qpart = sql_random_function();
// We search for feed needing update.
$result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,\n\t\t\t\t" . SUBSTRING_FOR_DATE . "(ttrss_feeds.last_updated,1,19) AS last_updated,\n\t\t\t\tttrss_feeds.update_interval \n\t\t\tFROM \n\t\t\t\tttrss_feeds, ttrss_users, ttrss_user_prefs\n\t\t\tWHERE\n\t\t\t\tttrss_feeds.owner_uid = ttrss_users.id\n\t\t\t\tAND ttrss_users.id = ttrss_user_prefs.owner_uid\n\t\t\t\tAND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'\n\t\t\t\t{$login_thresh_qpart} {$update_limit_qpart}\n\t\t\t {$updstart_thresh_qpart}\n\t\t\tORDER BY {$random_qpart} {$query_limit}");
$user_prefs_cache = array();
if ($debug) {
_debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
}
// Here is a little cache magic in order to minimize risk of double feed updates.
$feeds_to_update = array();
while ($line = db_fetch_assoc($result)) {
$feeds_to_update[$line['id']] = $line;
}
// We update the feed last update started date before anything else.
// There is no lag due to feed contents downloads
// It prevent an other process to update the same feed.
$feed_ids = array_keys($feeds_to_update);
if ($feed_ids) {
db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\t\tWHERE id IN (%s)", implode(',', $feed_ids)));
}
// For each feed, we call the feed update function.
while ($line = array_pop($feeds_to_update)) {
if ($debug) {
_debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
}
// We setup a alarm to alert if the feed take more than 300s to update.
// => HANG alarm.
if (!$from_http && function_exists('pcntl_alarm')) {
pcntl_alarm(300);
}
update_rss_feed($link, $line["id"], true);
// Cancel the alarm (the update went well)
if (!$from_http && function_exists('pcntl_alarm')) {
pcntl_alarm(0);
}
sleep(1);
// prevent flood (FIXME make this an option?)
}
// Send feed digests by email if needed.
if (DAEMON_SENDS_DIGESTS) {
send_headlines_digests($link);
}
purge_orphans($link);
}
function updaterandomfeed()
{
// Test if the feed need a update (update interval exceded).
if (DB_TYPE == "pgsql") {
$update_limit_qpart = "AND ((\n\t\t\t\t\tttrss_feeds.update_interval = 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)\n\t\t\t\t) OR (\n\t\t\t\t\tttrss_feeds.update_interval > 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)\n\t\t\t\t) OR ttrss_feeds.last_updated IS NULL\n\t\t\t\tOR last_updated = '1970-01-01 00:00:00')";
} else {
$update_limit_qpart = "AND ((\n\t\t\t\t\tttrss_feeds.update_interval = 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)\n\t\t\t\t) OR (\n\t\t\t\t\tttrss_feeds.update_interval > 0\n\t\t\t\t\tAND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)\n\t\t\t\t) OR ttrss_feeds.last_updated IS NULL\n\t\t\t\tOR last_updated = '1970-01-01 00:00:00')";
}
// 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 '5 minutes')";
} else {
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
}
$random_qpart = sql_random_function();
// We search for feed needing update.
$result = db_query($this->link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id\n\t\t\tFROM\n\t\t\t\tttrss_feeds, ttrss_users, ttrss_user_prefs\n\t\t\tWHERE\n\t\t\t\tttrss_feeds.owner_uid = ttrss_users.id\n\t\t\t\tAND ttrss_users.id = ttrss_user_prefs.owner_uid\n\t\t\t\tAND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'\n\t\t\t\tAND ttrss_feeds.owner_uid = " . $_SESSION["uid"] . "\n\t\t\t\t{$update_limit_qpart} {$updstart_thresh_qpart}\n\t\t\tORDER BY {$random_qpart} LIMIT 30");
$feed_id = -1;
require_once "rssfuncs.php";
$num_updated = 0;
$tstart = time();
while ($line = db_fetch_assoc($result)) {
$feed_id = $line["id"];
if (time() - $tstart < ini_get("max_execution_time") * 0.7) {
update_rss_feed($this->link, $feed_id, true);
++$num_updated;
} else {
break;
}
}
if ($num_updated > 0) {
print json_encode(array("message" => "UPDATE_COUNTERS", "num_updated" => $num_updated));
} else {
print json_encode(array("message" => "NOTHING_TO_UPDATE"));
}
}
static function updaterandomfeed_real($dbh)
{
// Test if the feed need a update (update interval exceded).
if (DB_TYPE == "pgsql") {
$update_limit_qpart = "AND ((\n ttrss_feeds.update_interval = 0\n AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)\n ) OR (\n ttrss_feeds.update_interval > 0\n AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)\n ) OR ttrss_feeds.last_updated IS NULL\n OR last_updated = '1970-01-01 00:00:00')";
} else {
$update_limit_qpart = "AND ((\n ttrss_feeds.update_interval = 0\n AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)\n ) OR (\n ttrss_feeds.update_interval > 0\n AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)\n ) OR ttrss_feeds.last_updated IS NULL\n OR last_updated = '1970-01-01 00:00:00')";
}
// 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 '5 minutes')";
} else {
$updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 5 MINUTE))";
}
$random_qpart = sql_random_function();
// we could be invoked from public.php with no active session
if ($_SESSION["uid"]) {
$owner_check_qpart = "AND ttrss_feeds.owner_uid = '" . $_SESSION["uid"] . "'";
} else {
$owner_check_qpart = "";
}
// We search for feed needing update.
$result = $dbh->query("SELECT ttrss_feeds.feed_url,ttrss_feeds.id\n FROM\n ttrss_feeds, ttrss_users, ttrss_user_prefs\n WHERE\n ttrss_feeds.owner_uid = ttrss_users.id\n AND ttrss_users.id = ttrss_user_prefs.owner_uid\n AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'\n {$owner_check_qpart}\n {$update_limit_qpart}\n {$updstart_thresh_qpart}\n ORDER BY {$random_qpart} LIMIT 30");
$feed_id = -1;
require_once "rssfuncs.php";
$num_updated = 0;
$tstart = time();
while ($line = $dbh->fetch_assoc($result)) {
$feed_id = $line["id"];
if (time() - $tstart < ini_get("max_execution_time") * 0.7) {
update_rss_feed($feed_id, true);
++$num_updated;
} else {
break;
}
}
// Purge orphans and cleanup tags
purge_orphans();
cleanup_tags(14, 50000);
if ($num_updated > 0) {
print json_encode(array("message" => "UPDATE_COUNTERS", "num_updated" => $num_updated));
} else {
print json_encode(array("message" => "NOTHING_TO_UPDATE"));
}
}
