implement fallback _SIMPLE_UPDATE_MODE

This commit is contained in:
Andrew Dolgov 2013-01-22 19:49:47 +04:00
parent 6addc13f46
commit 8b83bf5fa1
3 changed files with 94 additions and 0 deletions

View File

@ -645,5 +645,76 @@ class RPC extends Handler_Protected {
print json_encode(array("wide" => $wide));
}
function updaterandomfeed() {
// Test if the feed need a update (update interval exceded).
if (DB_TYPE == "pgsql") {
$update_limit_qpart = "AND ((
ttrss_feeds.update_interval = 0
AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
) OR (
ttrss_feeds.update_interval > 0
AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
) OR ttrss_feeds.last_updated IS NULL
OR last_updated = '1970-01-01 00:00:00')";
} else {
$update_limit_qpart = "AND ((
ttrss_feeds.update_interval = 0
AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
) OR (
ttrss_feeds.update_interval > 0
AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
) OR ttrss_feeds.last_updated IS NULL
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 search for feed needing update.
$result = db_query($this->link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id
FROM
ttrss_feeds, ttrss_users, ttrss_user_prefs
WHERE
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'
AND ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
$update_limit_qpart $updstart_thresh_qpart
ORDER 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() - $tstart < 30) {
update_rss_feed($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"));
}
}
}
?>

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@ -1968,6 +1968,8 @@
$params["csrf_token"] = $_SESSION["csrf_token"];
$params["widescreen"] = (int) $_SESSION["widescreen"];
$params['simple_update'] = defined('_SIMPLE_UPDATE_MODE') && _SIMPLE_UPDATE_MODE;
return $params;
}

View File

@ -379,6 +379,11 @@ function init_second_stage() {
console.log("second stage ok");
if (getInitParam("simple_update")) {
console.log("scheduling simple feed updater...");
window.setTimeout("update_random_feed()", 30*1000);
}
} catch (e) {
exception_error("init_second_stage", e);
}
@ -1033,3 +1038,19 @@ function switchPanelMode(wide) {
exception_error("switchPanelMode", e);
}
}
function update_random_feed() {
try {
console.log("in update_random_feed");
new Ajax.Request("backend.php", {
parameters: "op=rpc&method=updateRandomFeed",
onComplete: function(transport) {
handle_rpc_json(transport, true);
window.setTimeout("update_random_feed()", 30*1000);
} });
} catch (e) {
exception_error("update_random_feed", e);
}
}