+ function show($args, $apidata)
+ {
+ parent::handle($args);
+
+ if (!in_array($apidata['content-type'], array('xml', 'json'))) {
+ $this->clientError(_('API method not found!'), $code = 404);
+ return;
+ }
+
+ $source_id = (int)$this->trimmed('source_id');
+ $source_screen_name = $this->trimmed('source_screen_name');
+
+ // If the source is not specified for an unauthenticated request,
+ // the method will return an HTTP 403.
+
+ if (empty($source_id) && empty($source_screen_name)) {
+ if (empty($apidata['user'])) {
+ $this->clientError(_('Could not determine source user.'),
+ $code = 403);
+ return;
+ }
+ }
+
+ $source = null;
+
+ if (!empty($source_id)) {
+ $source = User::staticGet($source_id);
+ } elseif (!empty($source_screen_name)) {
+ $source = User::staticGet('nickname', $source_screen_name);
+ } else {
+ $source = $apidata['user'];
+ }
+
+ // If a source or target is specified but does not exist,
+ // the method will return an HTTP 404.
+
+ if (empty($source)) {
+ $this->clientError(_('Could not determine source user.'),
+ $code = 404);
+ return;
+ }
+
+ $target_id = (int)$this->trimmed('target_id');
+ $target_screen_name = $this->trimmed('target_screen_name');
+
+ $target = null;
+
+ if (!empty($target_id)) {
+ $target = User::staticGet($target_id);
+ } elseif (!empty($target_screen_name)) {
+ $target = User::staticGet('nickname', $target_screen_name);
+ } else {
+ $this->clientError(_('Target user not specified.'),
+ $code = 403);
+ return;
+ }
+
+ if (empty($target)) {
+ $this->clientError(_('Could not find target user.'),
+ $code = 404);
+ return;
+ }
+
+ $result = $this->twitter_relationship_array($source, $target);
+
+ switch ($apidata['content-type']) {
+ case 'xml':
+ $this->init_document('xml');
+ $this->show_twitter_xml_relationship($result[relationship]);
+ $this->end_document('xml');
+ break;
+ case 'json':
+ $this->init_document('json');
+ print json_encode($result);
+ $this->end_document('json');
+ break;
+ default:
+ break;
+ }
+ }
+
+}