private function processUri($uri)
{
$hasBodyParams = false;
$queryString = null;
$queryStringHasParams = false;
// get rid of any leading /
if ($uri[0] == '/') {
$uri = substr($uri, 1);
}
// do we have any query string params?
$hasQueryString = strripos($uri, '?');
if ($hasQueryString !== false) {
$queryString = substr($uri, $hasQueryString + 1);
$queryStringHasParams = strpos($queryString, '{') === false ? false : true;
$queryString = explode('&', $queryString);
$uri = substr($uri, 0, $hasQueryString);
$this->key = '?';
}
// cleanup and prepare:
// do we end with a /
$uri = strripos($uri, '/') == strlen($uri) - 1 ? substr($uri, 0, -1) : $uri;
$hasBodyParams = strpos($uri, '{') === false ? false : true;
$segments = explode('/', $uri);
// parse the main URI body
if ($hasBodyParams) {
$this->processArray($segments);
} else {
$this->parts = $segments;
$this->key .= implode("", $segments);
}
if (is_array($queryString)) {
$this->processArray($queryString, true);
}
$this->hash = AMServiceManager::generateKey($this->key, $this->parameter_count);
}
public function start()
{
$endpoints = null;
$method = strtoupper($_SERVER['REQUEST_METHOD']);
$termination = strripos($_SERVER['REQUEST_URI'], '?');
$path = substr($_SERVER['REQUEST_URI'], 0, $termination === false ? strlen($_SERVER['REQUEST_URI']) : $termination);
if ($path[0] == '/') {
$path = substr($path, 1);
}
if ($path[strlen($path) - 1] == '/') {
$path = substr($path, 0, strlen($path) - 1);
}
$segments = explode("/", $path);
if ($_SERVER['QUERY_STRING']) {
$queryString = explode('&', $_SERVER['QUERY_STRING']);
foreach ($queryString as $part) {
list($argName, $argValue) = explode('=', $part);
$segments[] = $argName;
$segments[] = $argValue;
}
}
$segmentsLength = count($segments);
$branch = $this->contract->endpoints[$method];
$endpoints = array();
foreach ($branch as $service) {
$match = array_intersect($segments, $service->parts);
$params = $segmentsLength - count($match);
if ($params == $service->parameter_count && count(array_diff($service->parts, $match)) == 0) {
$input = strlen($_SERVER['QUERY_STRING']) ? '?' . implode("", $match) : implode("", $match);
$key = AMServiceManager::generateKey($input, $params);
if (array_key_exists($key, $branch)) {
$args = array_diff($segments, $service->parts);
// we apply some weighting. matching path arguments hold more importance that parameter arguments
// so if we have an endnpoint defined as /{arg} vs /users
// /users will be given a higher priority than /{arg}
$score = $params + count($match) * 2;
$endpoints[] = array('score' => $score, 'arguments' => $args, 'service' => $service);
}
}
}
$choices = count($endpoints);
if ($choices) {
if ($choices > 1) {
$this->execute($endpoints[0]['service'], $endpoints[0]['arguments']);
} else {
usort($endpoints, array($this, "sort_endpoints_score"));
$selection = array_pop($endpoints);
$this->execute($selection['service'], $selection['arguments']);
}
} else {
AMServiceManager::not_found();
}
}