get("upgrade_checker_version_info"));
}
/**
* Return true if auto checking is enabled.
*/
static function auto_check_enabled() {
return (bool)module::get_var("gallery", "upgrade_checker_auto_enabled");
}
/**
* Return true if it's time to auto check.
*/
static function should_auto_check() {
if (upgrade_checker::auto_check_enabled() && random::int(1, 100) == 1) {
$version_info = upgrade_checker::version_info();
return (!$version_info ||
(time() - $version_info->timestamp) > upgrade_checker::AUTO_CHECK_INTERVAL);
}
return false;
}
/**
* Fech version info from the Gallery website.
*/
static function fetch_version_info() {
$result = new stdClass();
try {
list ($status, $headers, $body) = remote::do_request(upgrade_checker::CHECK_URL);
if ($status == "HTTP/1.1 200 OK") {
$result->status = "success";
foreach (explode("\n", $body) as $line) {
if ($line) {
list($key, $val) = explode("=", $line, 2);
$result->data[$key] = $val;
}
}
} else {
$result->status = "error";
}
} catch (Exception $e) {
Kohana_Log::add("error",
sprintf("%s in %s at line %s:\n%s", $e->getMessage(), $e->getFile(),
$e->getLine(), $e->getTraceAsString()));
}
$result->timestamp = time();
Cache::instance()->set("upgrade_checker_version_info", serialize($result),
array("upgrade"), 86400 * 365);
}
/**
* Check the latest version info blob to see if it's time for an upgrade.
*/
static function get_upgrade_message() {
$version_info = upgrade_checker::version_info();
if ($version_info) {
if (gallery::RELEASE_CHANNEL == "release") {
if (version_compare($version_info->data["release_version"], gallery::VERSION, ">")) {
return t("A newer version of Gallery is available! Upgrade now to version %version",
array("version" => $version_info->data["release_version"],
"upgrade-url" => $version_info->data["release_upgrade_url"]));
}
} else {
$branch = gallery::RELEASE_BRANCH;
if (isset($version_info->data["branch_{$branch}_build_number"]) &&
version_compare($version_info->data["branch_{$branch}_build_number"],
gallery::build_number(), ">")) {
return t("A newer version of Gallery is available! Upgrade now to version %version (build %build on branch %branch)",
array("version" => $version_info->data["branch_{$branch}_version"],
"upgrade-url" => $version_info->data["branch_{$branch}_upgrade_url"],
"build" => $version_info->data["branch_{$branch}_build_number"],
"branch" => $branch));
}
}
}
}
}