/**
* Get an instance of a preexisting Connection or a new instance.
*
* @param array $group
* @return \HMC\Database\Connection
*/
public static function get($group = false)
{
// Determining if exists or it's not empty, then use default group defined in config
$group = !$group ? array('type' => \HMC\Config::DATABASE_TYPE(), 'host' => \HMC\Config::DATABASE_HOST(), 'name' => \HMC\Config::DATABASE_NAME(), 'user' => \HMC\Config::DATABASE_USER(), 'pass' => \HMC\Config::DATABASE_PASS()) : $group;
// Group information
$type = $group['type'];
$host = $group['host'];
$name = $group['name'];
$user = $group['user'];
$pass = $group['pass'];
// ID for database based on the group information
$id = "{$type}.{$host}.{$name}.{$user}.{$pass}";
// Checking if the same
if (isset(self::$instances[$id])) {
return self::$instances[$id];
}
try {
// I've run into problem where
// SET NAMES "UTF8" not working on some hostings.
// Specifiying charset in DSN fixes the charset problem perfectly!
$instance = new Connection("{$type}:host={$host};dbname={$name};charset=utf8", $user, $pass);
$instance->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Setting Database into $instances to avoid duplication
self::$instances[$id] = $instance;
return $instance;
} catch (PDOException $e) {
$msg = Logger::buildExceptionMessage($e);
\HMC\Error::showError(501, $msg);
}
}
/**
* saves error message from exception
* @param numeric $number error number
* @param string $message the error
* @param string $file file originated from
* @param numeric $line line number
*/
public static function errorHandler($number, $message, $file, $line)
{
if (Config::SITE_ENVIRONMENT() == 'development') {
Error::showError(500, '(' . $number . ') ' . $file . ':' . $line . ' => ' . $message);
die;
}
$msg = "{$message} in {$file} on line {$line}";
if (self::$logger != null) {
self::error($number . $msg);
} else {
if ($number !== E_NOTICE && $number < 2048) {
self::errorMessage($msg);
self::customErrorMsg();
}
}
return 0;
}
/**
* Runs the callback for the given request
*/
public static function dispatch()
{
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
$method = $_SERVER['REQUEST_METHOD'];
$searches = array_keys(static::$patterns);
$replaces = array_values(static::$patterns);
self::$routes = str_replace('//', '/', self::$routes);
$found_route = false;
// parse query parameters
$query = '';
$q_arr = array();
if (strpos($uri, '&') > 0) {
$query = substr($uri, strpos($uri, '&') + 1);
$uri = substr($uri, 0, strpos($uri, '&'));
$q_arr = explode('&', $query);
foreach ($q_arr as $q) {
$qobj = explode('=', $q);
$q_arr[] = array($qobj[0] => $qobj[1]);
if (!isset($_GET[$qobj[0]])) {
$_GET[$qobj[0]] = $qobj[1];
}
}
}
// check if route is defined without regex
if (in_array($uri, self::$routes)) {
$route_pos = array_keys(self::$routes, $uri);
// foreach route position
foreach ($route_pos as $route) {
if (self::$methods[$route] == $method || self::$methods[$route] == 'ANY') {
$found_route = true;
//if route is not an object
if (!is_object(self::$callbacks[$route])) {
//call object controller and method
self::invokeObject(self::$callbacks[$route]);
if (self::$halts) {
return;
}
} else {
//call closure
call_user_func(self::$callbacks[$route]);
if (self::$halts) {
return;
}
}
}
}
// end foreach
} else {
// check if defined with regex
$pos = 0;
// foreach routes
foreach (self::$routes as $route) {
$route = str_replace('//', '/', $route);
if (strpos($route, ':') !== false) {
$route = str_replace($searches, $replaces, $route);
}
if (preg_match('#^' . $route . '$#', $uri, $matched)) {
if (self::$methods[$pos] == $method || self::$methods[$pos] == 'ANY') {
$found_route = true;
//remove $matched[0] as [1] is the first parameter.
array_shift($matched);
if (!is_object(self::$callbacks[$pos])) {
//call object controller and method
self::invokeObject(self::$callbacks[$pos], $matched);
if (self::$halts) {
return;
}
} else {
//call closure
call_user_func_array(self::$callbacks[$pos], $matched);
if (self::$halts) {
return;
}
}
}
}
$pos++;
}
// end foreach
}
if (self::$fallback) {
//call the auto dispatch method
$found_route = self::autoDispatch();
}
// run the error callback if the route was not found
if (!$found_route) {
//first check if we have a satisfiable static route.
if (count(self::$static_routes) > 0) {
$test_sr = str_replace(Config::SITE_PATH() . '/', '', $uri);
foreach (self::$static_routes as $sr) {
if (file_exists($sr . $test_sr)) {
$ext = \HMC\Document\Document::getExtension($test_sr);
switch ($ext) {
case 'html':
case 'htm':
require $sr . $test_sr;
break;
default:
header("Location: {$sr}{$test_sr}");
}
die;
} else {
//for security you cannot access php files directly so
//if there's no extension we test for a php file with that name.
if (file_exists($sr . $test_sr . '.php')) {
require $sr . $test_sr . '.php';
die;
}
}
}
}
if (!self::$errorCallback) {
self::$errorCallback = function () {
Error::showError(404);
};
}
if (!is_object(self::$errorCallback)) {
//call object controller and method
self::invokeObject(self::$errorCallback, null, 'No routes found.');
if (self::$halts) {
return;
}
} else {
call_user_func(self::$errorCallback);
if (self::$halts) {
return;
}
}
}
}
/**
* load a 404 page with the error message
*/
public function index()
{
Error::showError(404);
}