lib/twitterapi.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 TwitterapiAction extends Action {
  23
  24         function handle($args) {
  25                 parent::handle($args);
  26         }
  27
  28         /*
  29          * Spits out a Laconica Notice as a Twitter-XML "status"
  30          */
  31         function render_xml_status($notice) {
  32                 global $config;
  33
  34                 common_element_start('status');
  35                 common_element('created_at', NULL, $this->date_twitter($notice->created));
  36                 common_element('id', NULL, $notice->id);
  37                 common_element('text', NULL, $notice->content);
  38                 common_element('source', NULL, '');  # XXX: twitterific, twitterfox, etc. Not supported yet.
  39                 common_element('truncated', NULL, 'false'); # Not possible on Laconica
  40                 common_element('in_reply_to_status_id', NULL, $notice->reply_to);
  41                 common_element('in_reply_to_user_id', NULL, ($notice->reply_to) ? $this->replier_by_reply($notice->reply_to) : '');
  42                 common_element('favorited', Null, '');  # XXX: Not implemented on Laconica yet.
  43
  44                 $profile = $notice->getProfile();
  45                 $this->render_xml_user($profile);
  46
  47                 common_element_end('status');
  48         }
  49
  50         /*
  51          * Spits out a Laconica Profile as a Twitter-XML "user"
  52          */
  53         function render_xml_user($profile) {
  54                 common_element_start('user');
  55                 common_element('id', NULL, $profile->id);
  56                 common_element('name', NULL, $profile->getBestName());
  57                 common_element('screen_name', NULL, $profile->nickname);
  58                 common_element('location', NULL, $profile->location);
  59                 common_element('description', NULL, $profile->bio);
  60
  61                 $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
  62
  63                 common_element('profile_image_url', NULL, ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE));
  64                 common_element('url', NULL, $profile->homepage);
  65                 common_element('protected', NULL, 'false'); # not supported by Laconica yet
  66                 common_element('followers_count', NULL, $this->count_subscriptions($profile));
  67                 common_element_end('user');
  68         }
  69
  70         // Anyone know what date format this is?  It's not RFC 2822
  71         // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
  72         function date_twitter($dt) {
  73                 $t = strtotime($dt);
  74                 return date("D M d G:i:s O Y", $t);
  75         }
  76
  77         function replier_by_reply($reply_id) {
  78
  79                 $notice = Notice::staticGet($reply_id);
  80
  81                 if (!$notice) {
  82                         common_debug("Got a bad notice_id: $reply_id");
  83                 }
  84
  85                 $profile = $notice->getProfile();
  86
  87                 if (!$profile) {
  88                         common_debug("Got a bad profile_id: $profile_id");
  89                         return false;
  90                 }
  91
  92                 return $profile->id;
  93         }
  94
  95         // XXX: Candidate for a general utility method somewhere?
  96         function count_subscriptions($profile) {
  97
  98                 $count = 0;
  99                 $sub = new Subscription();
 100                 $sub->subscribed = $profile->id;
 101
 102                 if ($sub->find()) {
 103                         while ($sub->fetch()) {
 104                                 if ($sub->token) {
 105                                         $other = Remote_profile::staticGet('id', $sub->subscriber);
 106                                 } else {
 107                                         $other = User::staticGet('id', $sub->subscriber);
 108                                 }
 109                                 if (!$other) {
 110                                         common_debug('Got a bad subscription: '.print_r($sub,TRUE));
 111                                         continue;
 112                                 }
 113                                 $count++;
 114                         }
 115                 }
 116                 return $count;
 117         }
 118
 119 }