+ protected function doPreparation()
+ {
+ // showstream requires a nickname
+ $nickname_arg = $this->arg('nickname');
+ $nickname = common_canonical_nickname($nickname_arg);
+
+ // Permanent redirect on non-canonical nickname
+
+ if ($nickname_arg != $nickname) {
+ $args = array('nickname' => $nickname);
+ if ($this->arg('page') && $this->arg('page') != 1) {
+ $args['page'] = $this->arg['page'];
+ }
+ common_redirect(common_local_url($this->getActionName(), $args), 301);
+ }
+ $this->user = User::getKV('nickname', $nickname);
+
+ if (!$this->user) {
+ $group = Local_group::getKV('nickname', $nickname);
+ if ($group instanceof Local_group) {
+ common_redirect($group->getProfile()->getUrl());
+ }
+ // TRANS: Client error displayed when calling a profile action without specifying a user.
+ $this->clientError(_('No such user.'), 404);
+ }
+
+ $this->target = $this->user->getProfile();
+ }
+