actions/subscribe.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 class SubscribeAction extends Action {
  23         function handle($args) {
  24                 parent::handle($args);
  25
  26                 if (!common_logged_in()) {
  27                         common_user_error(_('Not logged in.'));
  28                         return;
  29                 }
  30
  31                 $user = common_current_user();
  32
  33                 if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  34                         common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
  35                         return;
  36                 }
  37
  38                 $other_nickname = $this->arg('subscribeto');
  39
  40                 $other = User::staticGet('nickname', $other_nickname);
  41
  42                 if (!$other) {
  43                         common_user_error(_('No such user.'));
  44                         return;
  45                 }
  46
  47                 if ($user->isSubscribed($other)) {
  48                         common_user_error(_('Already subscribed!.'));
  49                         return;
  50                 }
  51
  52                 $sub = new Subscription();
  53                 $sub->subscriber = $user->id;
  54                 $sub->subscribed = $other->id;
  55
  56                 $sub->created = DB_DataObject_Cast::dateTime(); # current time
  57
  58                 if (!$sub->insert()) {
  59                         common_server_error(_('Couldn\'t create subscription.'));
  60                         return;
  61                 }
  62
  63                 $this->notify($other, $user);
  64
  65                 common_redirect(common_local_url('subscriptions', array('nickname' =>
  66                                                                                                                                 $user->nickname)));
  67         }
  68
  69         function notify($listenee, $listener) {
  70                 # XXX: add other notifications (Jabber, SMS) here
  71                 # XXX: queue this and handle it offline
  72                 $this->notify_email($listenee, $listener);
  73         }
  74
  75         function notify_email($listenee, $listener) {
  76                 if ($listenee->email) {
  77                         $profile = $listenee->getProfile();
  78                         $other = $listener->getProfile();
  79                         $name = $profile->getBestName();
  80                         $long_name = ($other->fullname) ? ($other->fullname . ' (' . $other->nickname . ')') : $other->nickname;
  81                         $recipients = $listenee->email;
  82                         $headers['From'] = mail_notify_from();
  83                         $headers['To'] = $name . ' <' . $listenee->email . '>';
  84                         $headers['Subject'] = sprintf(_('%1$s is now listening to your notices on %2$s.'), $other->getBestName(),
  85                                                                                   common_config('site', 'name'));
  86                         $body  = sprintf(_("%1$s is now listening to your notices on %2$s.\n\n".
  87                                                            "\t%3$s\n\n".
  88                                                            "Faithfully yours,\n%4$s\n"),
  89                                                          $long_name,
  90                                                          common_config('site', 'name'),
  91                                                          $other->profileurl,
  92                                                          common_config('site', 'name'));
  93                         mail_send($recipients, $headers, $body);
  94                 }
  95         }
  96 }