From 92645bbc578fafeb6816a44b8cf9cd594ffb5bd7 Mon Sep 17 00:00:00 2001
From: CiaranG <ciaran@ciarang.com>
Date: Fri, 22 Aug 2008 15:10:32 -0400
Subject: XMPP sub/unsub and help commands

darcs-hash:20080822191032-f6e2c-a3a7efbbaad1ec7c48ef132a8ba34fc8b8651969.gz
---
 lib/common.php |  1 +
 lib/subs.php   | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 lib/subs.php

(limited to 'lib')

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;
+
+}
+
-- 
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