actions/unsubscribe.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 class UnsubscribeAction extends Action {
  21
  22         function is_readonly() {
  23                 return false;
  24         }
  25
  26         function handle($args) {
  27                 parent::handle($args);
  28                 if (!common_logged_in()) {
  29                         common_user_error(_('Not logged in.'));
  30                         return;
  31                 }
  32
  33                 $user = common_current_user();
  34
  35                 if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  36                         common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
  37                         return;
  38                 }
  39
  40                 $other_nickname = $this->arg('unsubscribeto');
  41                 $other = User::staticGet('nickname', $other_nickname);
  42                 if (!$other) {
  43                         common_user_error(_('No such user.'));
  44                         return;
  45                 }
  46
  47                 if (!$user->isSubscribed($other)) {
  48                         common_server_error(_('Not subscribed!.'));
  49                 }
  50
  51                 $sub = DB_DataObject::factory('subscription');
  52
  53                 $sub->subscriber = $user->id;
  54                 $sub->subscribed = $other->id;
  55
  56                 $sub->find(true);
  57
  58                 // note we checked for existence above
  59
  60                 if (!$sub->delete()) {
  61                         common_server_error(_('Couldn\'t delete subscription.'));
  62                         return;
  63                 }
  64
  65                 common_redirect(common_local_url('subscriptions', array('nickname' =>
  66                                                                                                                                 $user->nickname)));
  67         }
  68 }