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-rw-r--r--lib/common.php1
-rw-r--r--lib/subs.php96
2 files changed, 97 insertions, 0 deletions
diff --git a/lib/common.php b/lib/common.php
index 94f720137..13c7d0d45 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -121,6 +121,7 @@ require_once(INSTALLDIR.'/lib/util.php');
require_once(INSTALLDIR.'/lib/action.php');
require_once(INSTALLDIR.'/lib/theme.php');
require_once(INSTALLDIR.'/lib/mail.php');
+require_once(INSTALLDIR.'/lib/subs.php');
function __autoload($class) {
if ($class == 'OAuthRequest') {
diff --git a/lib/subs.php b/lib/subs.php
new file mode 100644
index 000000000..383bfa007
--- /dev/null
+++ b/lib/subs.php
@@ -0,0 +1,96 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+require_once('XMPPHP/XMPP.php');
+
+/* Subscribe $user to nickname $other_nickname
+ Returns true or an error message.
+*/
+function subs_subscribe_user($user,$other_nickname) {
+
+ $other = User::staticGet('nickname', $other_nickname);
+
+ if (!$other) {
+ return _('No such user.');
+ }
+
+ if ($user->isSubscribed($other)) {
+ return _('Already subscribed!.');
+ }
+
+ if (!$user->subscribeTo($other)) {
+ return _('Could not subscribe.');
+ return;
+ }
+
+ subs_notify($other, $user);
+
+ if ($other->autosubscribe && !$other->isSubscribed($user)) {
+ if (!$other->subscribeTo($user)) {
+ return _('Could not subscribe other to you.');
+ }
+ subs_notify($user, $other);
+ }
+
+ return true;
+
+}
+
+function subs_notify($listenee, $listener) {
+ # XXX: add other notifications (Jabber, SMS) here
+ # XXX: queue this and handle it offline
+ # XXX: Whatever happens, do it in Twitter-like API, too
+ subs_notify_email($listenee, $listener);
+}
+
+function subs_notify_email($listenee, $listener) {
+ mail_subscribe_notify($listenee, $listener);
+}
+
+
+/* Unsubscribe $user from nickname $other_nickname
+ Returns true or an error message.
+*/
+function subs_unsubscribe_user($user, $other_nickname) {
+
+ $other = User::staticGet('nickname', $other_nickname);
+ if (!$other)
+ return _('No such user.');
+
+ if (!$user->isSubscribed($other))
+ return _('Not subscribed!.');
+
+ $sub = DB_DataObject::factory('subscription');
+
+ $sub->subscriber = $user->id;
+ $sub->subscribed = $other->id;
+
+ $sub->find(true);
+
+ // note we checked for existence above
+
+ if (!$sub->delete())
+ return _('Couldn\'t delete subscription.');
+
+ return true;
+
+}
+