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         function twitter_user_array($profile) {
  29
  30                 $twitter_user = array();
  31
  32                 $twitter_user['name'] = $profile->getBestName();
  33                 $twitter_user['followers_count'] = $this->count_subscriptions($profile);
  34                 $twitter_user['screen_name'] = $profile->nickname;
  35                 $twitter_user['description'] = ($profile->bio) ? $profile->bio : NULL;
  36                 $twitter_user['location'] = ($profile->location) ? $profile->location : NULL;
  37                 $twitter_user['id'] = intval($profile->id);
  38
  39                 $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
  40
  41                 $twitter_user['profile_image_url'] = ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE);
  42                 $twitter_user['protected'] = false; # not supported by Laconica yet
  43                 $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : NULL;
  44
  45                 return $twitter_user;
  46         }
  47
  48         function twitter_status_array($notice) {
  49
  50                 $twitter_status = array();
  51
  52                 $twitter_status['text'] = $notice->content;
  53                 $twitter_status['truncated'] = false; # Not possible on Laconica
  54                 $twitter_status['created_at'] = $this->date_twitter($notice->created);
  55                 $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ? intval($notice->reply_to) : NULL;
  56                 $twitter_status['source'] = NULL; # XXX: twitterific, twitterfox, etc. Not supported yet.
  57                 $twitter_status['id'] = intval($notice->id);
  58                 $twitter_status['in_reply_to_user_id'] = ($notice->reply_to) ? $this->replier_by_reply($notice->reply_to) : NULL;
  59                 $twitter_status['favorited'] = NULL; # XXX: Not implemented on Laconica yet.
  60
  61                 $profile = $notice->getProfile();
  62                 $twitter_user = $this->twitter_user_array($profile);
  63                 $twitter_status['user'] = $twitter_user;
  64
  65                 return $twitter_status;
  66         }
  67
  68         function render_twitter_xml_status($twitter_status) {
  69                 common_element_start('status');
  70                 common_element('created_at', NULL, $twitter_status['created_at']);
  71                 common_element('id', NULL, $twitter_status['id']);
  72                 common_element('text', NULL, $twitter_status['text']);
  73                 common_element('source', NULL, $twitter_status['source']);
  74                 common_element('truncated', NULL, $twitter_status['truncated']);
  75                 common_element('in_reply_to_status_id', NULL, $twitter_status['in_reply_to_status_id']);
  76                 common_element('in_reply_to_user_id', NULL, $twitter_status['in_reply_to_user_id']);
  77                 common_element('favorited', Null, $twitter_status['favorited']);
  78
  79                 $this->render_twitter_xml_user($twitter_status['user']);
  80
  81                 common_element_end('status');
  82         }
  83
  84         function render_twitter_xml_user($twitter_user) {
  85                 common_element_start('user');
  86                 common_element('id', NULL, $twitter_user['id']);
  87                 common_element('name', NULL, $twitter_user['name']);
  88                 common_element('screen_name', NULL, $twitter_user['screen_name']);
  89                 common_element('location', NULL, $twitter_user['location']);
  90                 common_element('description', NULL, $twitter_user['description']);
  91                 common_element('profile_image_url', NULL, $twitter_user['profile_image_url']);
  92                 common_element('url', NULL, $twitter_user['url']);
  93                 common_element('protected', NULL, $twitter_user['protected']);
  94                 common_element('followers_count', NULL, $twitter_user['followers_count']);
  95                 common_element_end('user');
  96         }
  97
  98
  99         function render_twitter_json_statuses($twitter_statuses) {
 100                 print(json_encode($twitter_statuses));
 101         }
 102
 103         // Anyone know what date format this is?  It's not RFC 2822
 104         // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
 105         function date_twitter($dt) {
 106                 $t = strtotime($dt);
 107                 return date("D M d G:i:s O Y", $t);
 108         }
 109
 110         function replier_by_reply($reply_id) {
 111
 112                 $notice = Notice::staticGet($reply_id);
 113
 114                 if (!$notice) {
 115                         common_debug("TwitterapiAction::replier_by_reply: Got a bad notice_id: $reply_id");
 116                 }
 117
 118                 $profile = $notice->getProfile();
 119
 120                 if (!$profile) {
 121                         common_debug("TwitterapiAction::replier_by_reply: Got a bad profile_id: $profile_id");
 122                         return false;
 123                 }
 124
 125                 return intval($profile->id);
 126         }
 127
 128         // XXX: Candidate for a general utility method somewhere?
 129         function count_subscriptions($profile) {
 130
 131                 $count = 0;
 132                 $sub = new Subscription();
 133                 $sub->subscribed = $profile->id;
 134
 135                 if ($sub->find()) {
 136                         while ($sub->fetch()) {
 137                                 if ($sub->token) {
 138                                         $other = Remote_profile::staticGet('id', $sub->subscriber);
 139                                 } else {
 140                                         $other = User::staticGet('id', $sub->subscriber);
 141                                 }
 142                                 if (!$other) {
 143                                         common_debug('Got a bad subscription: '.print_r($sub,TRUE));
 144                                         continue;
 145                                 }
 146                                 $count++;
 147                         }
 148                 }
 149
 150                 if ($count > 0) {
 151                         return $count;
 152                 }
 153
 154                 return NULL;
 155         }
 156
 157 }