add feedbrowser cache script

update_feedbrowser.php

@@ -0,0 +1,66 @@
+#!/usr/bin/php
+<?php
+	// this script is probably run not from your httpd-user, so cache
+	// directory defined in config.php won't be accessible
+	define('MAGPIE_CACHE_DIR', '/var/tmp/magpie-ttrss-cache-cli');
+	define('SIMPLEPIE_CACHE_DIR',	'/var/tmp/simplepie-ttrss-cache-cli');
+	define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
+	define('DISABLE_SESSIONS', true);
+
+	error_reporting(DEFAULT_ERROR_LEVEL);
+
+	require_once "sanity_check.php";
+	require_once "config.php";
+	require_once "db.php";
+	require_once "db-prefs.php";
+	require_once "functions.php";
+
+	$lock_filename = "update_feedbrowser.lock";
+
+	$lock_handle = make_lockfile($lock_filename);
+
+		// Try to lock a file in order to avoid concurrent update.
+	if (!$lock_handle) {
+		die("error: Can't create lockfile ($lock_filename). ".
+			"Maybe another process is already running.\n");
+	}
+
+	// Create a database connection.
+	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);	
+
+	if (!$link) {
+		if (DB_TYPE == "mysql") {
+			print mysql_error();
+		}
+		// PG seems to display its own errors just fine by default.		
+		return;
+	}
+
+	init_connection($link);
+
+	$result = db_query($link, "SELECT feed_url,COUNT(id) AS subscribers
+  		FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf 
+			WHERE tf.feed_url = ttrss_feeds.feed_url 
+			AND (private IS true OR feed_url LIKE '%:%@%/%')) 
+			GROUP BY feed_url ORDER BY subscribers DESC");
+
+	db_query($link, "BEGIN");
+
+	db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
+
+	while ($line = db_fetch_assoc($result)) {
+		$subscribers = db_escape_string($line["subscribers"]);
+		$feed_url = db_escape_string($line["feed_url"]);
+
+		db_query($link, "INSERT INTO ttrss_feedbrowser_cache 
+			(feed_url, subscribers) VALUES ('$feed_url', '$subscribers')");
+
+	}
+
+	db_query($link, "COMMIT");
+
+	db_close($link);
+
+	unlink(LOCK_DIRECTORY . "/$lock_filename");
+
+?>