+
+function unfollow_process(string $url)
+{
+ $base_return_path = 'contact';
+
+ $uid = local_user();
+
+ $condition = ["`uid` = ? AND (`rel` = ? OR `rel` = ?) AND (`nurl` = ? OR `alias` = ? OR `alias` = ?)",
+ $uid, Contact::SHARING, Contact::FRIEND, Strings::normaliseLink($url),
+ Strings::normaliseLink($url), $url];
+ $contact = DBA::selectFirst('contact', [], $condition);
+
+ if (!DBA::isResult($contact)) {
+ notice(DI::l10n()->t("You aren't following this contact."));
+ DI::baseUrl()->redirect($base_return_path);
+ // NOTREACHED
+ }
+
+ if (!in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
+ notice(DI::l10n()->t('Unfollowing is currently not supported by your network.'));
+ DI::baseUrl()->redirect($base_return_path . '/' . $contact['id']);
+ // NOTREACHED
+ }
+
+ $dissolve = ($contact['rel'] == Contact::SHARING);
+
+ $owner = User::getOwnerDataById($uid);
+ if ($owner) {
+ Contact::terminateFriendship($owner, $contact, $dissolve);
+ }
+
+ // Sharing-only contacts get deleted as there no relationship any more
+ if ($dissolve) {
+ Contact::remove($contact['id']);
+ $return_path = $base_return_path;
+ } else {
+ DBA::update('contact', ['rel' => Contact::FOLLOWER], ['id' => $contact['id']]);
+ $return_path = $base_return_path . '/' . $contact['id'];
+ }
+
+ DI::baseUrl()->redirect($return_path);
+}