actions/twitapifriendships.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/twitterapi.php');
  23
  24 class TwitapifriendshipsAction extends TwitterapiAction {
  25
  26         function create($args, $apidata) {
  27                 parent::handle($args);
  28
  29                 if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  30                         $this->client_error(_('This method requires a POST.'), 400, $apidata['content-type']);
  31                         return;
  32                 }
  33
  34                 $id = $apidata['api_arg'];
  35
  36                 $other = $this->get_user($id);
  37
  38                 if (!$other) {
  39                         $this->client_error(_('Could not follow user: User not found.'), 403, $apidata['content-type']);
  40                         return;
  41                 }
  42
  43                 $user = $apidata['user'];
  44
  45                 if ($user->isSubscribed($other)) {
  46                         $errmsg = sprintf(_('Could not follow user: %s is already on your list.'), $other->nickname);
  47                         $this->client_error($errmsg, 403, $apidata['content-type']);
  48                         return;
  49                 }
  50
  51                 $sub = new Subscription();
  52
  53                 $sub->query('BEGIN');
  54
  55                 $sub->subscriber = $user->id;
  56                 $sub->subscribed = $other->id;
  57                 $sub->created = DB_DataObject_Cast::dateTime(); # current time
  58
  59                 $result = $sub->insert();
  60
  61                 if (!$result) {
  62                         $errmsg = sprintf(_('Could not follow user: %s is already on your list.'), $other->nickname);
  63                         $this->client_error($errmsg, 400, $apidata['content-type']);
  64                         return;
  65                 }
  66
  67                 $sub->query('COMMIT');
  68
  69                 mail_subscribe_notify($other, $user);
  70
  71                 $type = $apidata['content-type'];
  72                 $this->init_document($type);
  73                 $this->show_profile($other, $type);
  74                 $this->end_document($type);
  75
  76         }
  77
  78         function destroy($args, $apidata) {
  79                 parent::handle($args);
  80
  81                 if (!in_array($_SERVER['REQUEST_METHOD'], array('POST', 'DELETE'))) {
  82                         $this->client_error(_('This method requires a POST or DELETE.'), 400, $apidata['content-type']);
  83                         return;
  84                 }
  85
  86                 $id = $apidata['api_arg'];
  87
  88                 # We can't subscribe to a remote person, but we can unsub
  89
  90                 $other = $this->get_profile($id);
  91                 $user = $apidata['user'];
  92
  93                 $sub = new Subscription();
  94                 $sub->subscriber = $user->id;
  95                 $sub->subscribed = $other->id;
  96
  97                 if ($sub->find(TRUE)) {
  98                         $sub->query('BEGIN');
  99                         $sub->delete();
 100                         $sub->query('COMMIT');
 101                 } else {
 102                         $this->client_error(_('You are not friends with the specified user.'), 403, $apidata['content-type']);
 103                         return;
 104                 }
 105
 106                 $type = $apidata['content-type'];
 107                 $this->init_document($type);
 108                 $this->show_profile($other, $type);
 109                 $this->end_document($type);
 110
 111         }
 112
 113         function exists($args, $apidata) {
 114                 parent::handle($args);
 115
 116                 if (!in_array($apidata['content-type'], array('xml', 'json'))) {
 117                         common_user_error(_('API method not found!'), $code = 404);
 118                         return;
 119                 }
 120
 121                 $user_a_id = $this->trimmed('user_a');
 122                 $user_b_id = $this->trimmed('user_b');
 123
 124                 $user_a = $this->get_user($user_a_id);
 125                 $user_b = $this->get_user($user_b_id);
 126
 127                 if (!$user_a || !$user_b) {
 128                         $this->client_error(_('Two user ids or screen_names must be supplied.'), 400, $apidata['content-type']);
 129                         return;
 130                 }
 131
 132                 if ($user_a->isSubscribed($user_b)) {
 133                         $result = 'true';
 134                 } else {
 135                         $result = 'false';
 136                 }
 137
 138                 switch ($apidata['content-type']) {
 139                  case 'xml':
 140                         $this->init_document('xml');
 141                         common_element('friends', NULL, $result);
 142                         $this->end_document('xml');
 143                         break;
 144                  case 'json':
 145                         $this->init_document('json');
 146                         print json_encode($result);
 147                         $this->end_document('json');
 148                         break;
 149                  default:
 150                         break;
 151                 }
 152
 153         }
 154
 155 }