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(_t('Not logged in.'));
  28                         return;
  29                 }
  30
  31                 $other_nickname = $this->arg('subscribeto');
  32
  33                 $other = User::staticGet('nickname', $other_nickname);
  34
  35                 if (!$other) {
  36                         common_user_error(_t('No such user.'));
  37                         return;
  38                 }
  39
  40                 $user = common_current_user();
  41
  42                 if ($user->isSubscribed($other)) {
  43                         common_user_error(_t('Already subscribed!.'));
  44                         return;
  45                 }
  46
  47                 $sub = new Subscription();
  48                 $sub->subscriber = $user->id;
  49                 $sub->subscribed = $other->id;
  50
  51                 $sub->created = DB_DataObject_Cast::dateTime(); # current time
  52
  53                 $val = $sub->validate();
  54
  55                 if ($val !== TRUE) {
  56                         # XXX: give some error notice
  57                         common_server_error(_t('Subscription did not validate.'));
  58                         return;
  59                 }
  60
  61                 if (!$sub->insert()) {
  62                         common_server_error(_t('Couldn\'t create subscription.'));
  63                         return;
  64                 }
  65
  66                 common_redirect(common_local_url('all', array('nickname' =>
  67                                                                                                           $user->nickname)));
  68         }
  69 }