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                 $id = $this->trimmed('id');
  30
  31                 $other = $this->get_user($id);
  32
  33                 if (!$other) {
  34                         $this->client_error(_('No such user'));
  35                         return;
  36                 }
  37
  38                 $user = $apidata['user'];
  39
  40                 if ($user->isSubscribed($other)) {
  41                         $this->client_error(_('Already subscribed.'));
  42                         return;
  43                 }
  44
  45                 $sub = new Subscription();
  46                 $sub->subscriber = $user->id;
  47                 $sub->subscribed = $other->id;
  48
  49                 $result = $sub->insert();
  50
  51                 if (!$result) {
  52                         $this->server_error(_('Could not subscribe'));
  53                         return;
  54                 }
  55
  56                 mail_subscribe_notify($other, $user);
  57
  58                 $this->show_profile($other);
  59                 exit();
  60         }
  61
  62         //destroy
  63         //
  64         //Discontinues friendship with the user specified in the ID parameter as the authenticating user.  Returns the un-friended user in the requested format when successful.  Returns a string describing the failure condition when unsuccessful.
  65         //
  66         //URL: http://twitter.com/friendships/destroy/id.format
  67         //
  68         //Formats: xml, json
  69         //
  70         //Parameters:
  71         //
  72         //* id.  Required.  The ID or screen name of the user with whom to discontinue friendship.  Ex: http://twitter.com/friendships/destroy/12345.json or http://twitter.com/friendships/destroy/bob.xml
  73
  74         function destroy($args, $apidata) {
  75                 parent::handle($args);
  76                 $id = $this->trimmed('id');
  77
  78                 # We can't subscribe to a remote person, but we can unsub
  79
  80                 $other = $this->get_profile($id);
  81                 $user = $apidata['user'];
  82
  83                 $sub = new Subscription();
  84                 $sub->subscriber = $user->id;
  85                 $sub->subscribed = $other->id;
  86
  87                 if ($sub->fetch(TRUE)) {
  88                         $sub->delete();
  89                 }
  90
  91                 $this->show_profile($other);
  92                 exit();
  93         }
  94
  95         //      Tests if a friendship exists between two users.
  96         //
  97         //
  98         //        URL: http://twitter.com/friendships/exists.format
  99         //
 100         //      Formats: xml, json, none
 101         //
 102         //        Parameters:
 103         //
 104         //          * user_a.  Required.  The ID or screen_name of the first user to test friendship for.
 105         //            * user_b.  Required.  The ID or screen_name of the second user to test friendship for.
 106         //        * Ex: http://twitter.com/friendships/exists.xml?user_a=alice&user_b=bob
 107
 108         function exists($args, $apidata) {
 109                 parent::handle($args);
 110                 $user_a_id = $this->trimmed('user_a');
 111                 $user_b_id = $this->trimmed('user_b');
 112                 $user_a = $this->get_profile($user_a_id);
 113                 $user_b = $this->get_profile($user_b_id);
 114
 115                 if (!$user_a || !$user_b) {
 116                         $this->client_error(_('No such user'));
 117                         return;
 118                 }
 119
 120                 if ($user_a->isSubscribed($user_b)) {
 121                         $result = 'true';
 122                 } else {
 123                         $result = 'false';
 124                 }
 125
 126                 switch ($apidata['content-type']) {
 127                  case 'xml':
 128                         common_start_xml();
 129                         common_element('friends', NULL, $result);
 130                         common_end_xml();
 131                         break;
 132                  case 'json':
 133                         print json_encode($result);
 134                         print "\n";
 135                         break;
 136                  default:
 137                         print $result;
 138                         break;
 139                 }
 140
 141         }
 142
 143         function get_profile($id) {
 144                 if (is_numeric($id)) {
 145                         return Profile::staticGet($id);
 146                 } else {
 147                         $user = User::staticGet('nickname', $id);
 148                         return $user->getProfile();
 149                 }
 150         }
 151
 152         function get_user($id) {
 153                 if (is_numeric($id)) {
 154                         return User::staticGet($id);
 155                 } else {
 156                         $user = User::staticGet('nickname', $id);
 157                         return $user->getProfile();
 158                 }
 159         }
 160 }