initial work on update daemon

1 files changed, 65 insertions, 0 deletions

diff --git a/update_daemon.php b/update_daemon.php
new file mode 100644
index 000000000..4f30cb53e
--- /dev/null
+++ b/update_daemon.php
@@ -0,0 +1,65 @@
+#!/usr/bin/php4
+<?
+	// this daemon runs in the background and updates all feeds
+	// continuously
+
+	define('SLEEP_INTERVAL', 30); // seconds
+
+	// TODO: allow update scheduling from users
+
+	define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-daemon');
+
+	define('DISABLE_SESSIONS', true);
+
+	require_once "sanity_check.php";
+	require_once "config.php";
+	require_once "db.php";
+	require_once "db-prefs.php";
+	require_once "functions.php";
+	require_once "magpierss/rss_fetch.inc";
+
+	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);	
+
+	if (!$link) {
+		if (DB_TYPE == "mysql") {
+			print mysql_error();
+		}
+		// PG seems to display its own errors just fine by default.		
+		return;
+	}
+
+	if (DB_TYPE == "pgsql") {
+		pg_query("set client_encoding = 'utf-8'");
+	}
+
+	$result = db_query($link, "SELECT feed_url,id,owner_uid,
+		SUBSTRING(last_updated,1,19) AS last_updated,
+		update_interval FROM ttrss_feeds ORDER BY last_updated DESC");
+
+	while ($line = db_fetch_assoc($result)) {
+
+		print "Checking feed: " . $line["feed_url"] . "\n";
+
+		$upd_intl = $line["update_interval"];
+
+		$user_id = $line["owner_uid"];
+
+		if (!$upd_intl || $upd_intl == 0) {
+			$upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id);
+		}
+
+		if ($fetch || (!$line["last_updated"] || 
+			time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
+
+			print "Updating...\n";
+
+			update_rss_feed($link, $line["feed_url"], $line["id"], true);
+
+		}
+	}
+
+	sleep(SLEEP_INTERVAL);
+
+	db_close($link);
+
+?>