public function service(http_request $http_request, $root_directory)
{
$http_response = null;
$route_selected = null;
$parameters_path = array();
$parameters_query = array();
$controller_name = null;
$controller_method = null;
$controller_params = null;
foreach ($this->routes as $route) {
// Check if there is a method match
if ($route->get_method() == $http_request->get_method()) {
if ($root_directory) {
// Remove the root directory from HTTP request URI
$http_request->set_uri(str_replace($root_directory, '', urldecode($http_request->get_uri_canonical())));
}
// Check if there is a URI match, and store all the path parameters
$route_request_match = preg_match($route->get_uri_pattern(), $http_request->get_uri_canonical(), $parameters_path);
// If the HTTP request matches an existing HTTP route...
if ($route_request_match) {
// Store the matched route
$route_selected = $route;
// Filter the path parameters array. Remove clutter from the array and only leave the clean, named key value pairs
foreach ($parameters_path as $parameters_path_key => $parameters_path_value) {
if (is_numeric($parameters_path_key)) {
unset($parameters_path[$parameters_path_key]);
}
}
// Store the query parameters
$parameters_query_string = parse_url($http_request->get_uri(), PHP_URL_QUERY);
parse_str($parameters_query_string, $parameters_query);
// Get the controller name and the controller method from the selected route
$controller_name = $route_selected->get_controller();
$controller_method = $route_selected->get_controller_method();
// Initialize the controller
$controller = new $controller_name($http_request, $parameters_path, $parameters_query);
// Run the controller method and get the HTTP response, or null in case of failure
$http_response = $controller->{$controller_method}();
if (is_null($http_response)) {
$http_response = new http_response(500);
}
break;
}
}
}
if (is_null($http_response)) {
$http_response = new http_response(404);
}
return $http_response;
}
