152 lines
3.7 KiB
PHP
152 lines
3.7 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, Control Yourself, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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require_once('XMPPHP/XMPP.php');
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/* Subscribe $user to nickname $other_nickname
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Returns true or an error message.
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*/
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function subs_subscribe_user($user, $other_nickname)
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{
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$other = User::staticGet('nickname', $other_nickname);
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if (!$other) {
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return _('No such user.');
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}
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return subs_subscribe_to($user, $other);
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}
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/* Subscribe user $user to other user $other.
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* Note: $other must be a local user, not a remote profile.
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* Because the other way is quite a bit more complicated.
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*/
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function subs_subscribe_to($user, $other)
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{
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if ($user->isSubscribed($other)) {
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return _('Already subscribed!.');
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}
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if ($other->hasBlocked($user)) {
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return _('User has blocked you.');
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}
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if (!$user->subscribeTo($other)) {
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return _('Could not subscribe.');
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return;
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}
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subs_notify($other, $user);
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$cache = common_memcache();
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if ($cache) {
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$cache->delete(common_cache_key('user:notices_with_friends:' . $user->id));
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}
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$profile = $user->getProfile();
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$profile->blowSubscriptionsCount();
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$other->blowSubscribersCount();
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if ($other->autosubscribe && !$other->isSubscribed($user) && !$user->hasBlocked($other)) {
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if (!$other->subscribeTo($user)) {
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return _('Could not subscribe other to you.');
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}
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$cache = common_memcache();
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if ($cache) {
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$cache->delete(common_cache_key('user:notices_with_friends:' . $other->id));
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}
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subs_notify($user, $other);
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}
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return true;
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}
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function subs_notify($listenee, $listener)
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{
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# XXX: add other notifications (Jabber, SMS) here
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# XXX: queue this and handle it offline
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# XXX: Whatever happens, do it in Twitter-like API, too
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subs_notify_email($listenee, $listener);
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}
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function subs_notify_email($listenee, $listener)
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{
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mail_subscribe_notify($listenee, $listener);
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}
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/* Unsubscribe $user from nickname $other_nickname
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Returns true or an error message.
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*/
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function subs_unsubscribe_user($user, $other_nickname)
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{
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$other = User::staticGet('nickname', $other_nickname);
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if (!$other) {
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return _('No such user.');
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}
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return subs_unsubscribe_to($user, $other->getProfile());
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}
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/* Unsubscribe user $user from profile $other
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* NB: other can be a remote user. */
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function subs_unsubscribe_to($user, $other)
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{
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if (!$user->isSubscribed($other))
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return _('Not subscribed!.');
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$sub = DB_DataObject::factory('subscription');
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$sub->subscriber = $user->id;
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$sub->subscribed = $other->id;
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$sub->find(true);
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// note we checked for existence above
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if (!$sub->delete())
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return _('Couldn\'t delete subscription.');
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$cache = common_memcache();
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if ($cache) {
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$cache->delete(common_cache_key('user:notices_with_friends:' . $user->id));
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}
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$profile = $user->getProfile();
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$profile->blowSubscriptionsCount();
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$other->blowSubscribersCount();
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return true;
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}
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