actions/favor.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 require_once(INSTALLDIR.'/lib/mail.php');
  23
  24 class FavorAction extends Action {
  25
  26         function handle($args) {
  27                 parent::handle($args);
  28
  29                 if (!common_logged_in()) {
  30                         common_user_error(_('Not logged in.'));
  31                         return;
  32                 }
  33
  34                 $user = common_current_user();
  35
  36                 if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  37                         common_redirect(common_local_url('showfavorites', array('nickname' => $user->nickname)));
  38                         return;
  39                 }
  40
  41                 $id = $this->trimmed('notice');
  42
  43                 $notice = Notice::staticGet($id);
  44
  45                 # CSRF protection
  46
  47                 $token = $this->trimmed('token-'.$notice->id);
  48                 if (!$token || $token != common_session_token()) {
  49                         $this->client_error(_("There was a problem with your session token. Try again, please."));
  50                         return;
  51                 }
  52
  53                 if ($user->hasFave($notice)) {
  54                         $this->client_error(_('This notice is already a favorite!'));
  55                         return;
  56                 }
  57
  58                 $fave = Fave::addNew($user, $notice);
  59
  60                 if (!$fave) {
  61                         $this->server_error(_('Could not create favorite.'));
  62                         return;
  63                 }
  64
  65                 $this->notify($fave, $notice, $user);
  66                 $user->blowFavesCache();
  67
  68                 if ($this->boolean('ajax')) {
  69                         common_start_html('text/xml;charset=utf-8', true);
  70                         common_element_start('head');
  71                         common_element('title', null, _('Disfavor favorite'));
  72                         common_element_end('head');
  73                         common_element_start('body');
  74                         common_disfavor_form($notice);
  75                         common_element_end('body');
  76                         common_element_end('html');
  77                 } else {
  78                         common_redirect(common_local_url('showfavorites',
  79                                                                                          array('nickname' => $user->nickname)));
  80                 }
  81         }
  82
  83         function notify($fave, $notice, $user) {
  84             $other = User::staticGet('id', $notice->profile_id);
  85                 if ($other && $other->id != $user->id) {
  86                         if ($other->email && $other->emailnotifyfav) {
  87                                 mail_notify_fave($other, $user, $notice);
  88                         }
  89                         # XXX: notify by IM
  90                         # XXX: notify by SMS
  91                 }
  92         }
  93
  94 }