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gnu-social/actions/twitapistatuses.php

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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/twitterapi.php');
/* XXX: Please don't freak out about all the ugly comments in this file.
* They are mostly in here for reference while I work on the
* API. I'll fix things up later to make them look better later. -- Zach
*/
class TwitapistatusesAction extends TwitterapiAction {
function public_timeline($args, $apidata) {
parent::handle($args);
$sitename = common_config('site', 'name');
$siteserver = common_config('site', 'server');
$title = sprintf(_("%s public timeline"), $sitename);
$id = "tag:$siteserver:Statuses";
$link = common_root_url();
$subtitle = sprintf(_("%s updates from everyone!"), $sitemap);
// Number of public statuses to return by default -- Twitter sends 20
$MAX_PUBSTATUSES = 20;
$notice = DB_DataObject::factory('notice');
// FIXME: To really live up to the spec we need to build a list
// of notices by users who have custom avatars, so fix this SQL -- Zach
# FIXME: bad performance
$notice->whereAdd('EXISTS (SELECT user.id from user where user.id = notice.profile_id)');
$notice->orderBy('created DESC, notice.id DESC');
$notice->limit($MAX_PUBSTATUSES);
$cnt = $notice->find();
if ($cnt > 0) {
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_timeline($notice);
break;
case 'rss':
$this->show_rss_timeline($notice, $title, $id, $link, $subtitle);
break;
case 'atom':
$this->show_atom_timeline($notice, $title, $id, $link, $subtitle);
break;
case 'json':
$this->show_json_timeline($notice);
break;
default:
common_user_error("API method not found!", $code = 404);
break;
}
} else {
common_server_error('Couldn\'t find any statuses.', $code = 503);
}
exit();
}
function show_xml_timeline($notice) {
header('Content-Type: application/xml; charset=utf-8');
common_start_xml();
common_element_start('statuses', array('type' => 'array'));
if (is_array($notice)) {
foreach ($notice as $n) {
$twitter_status = $this->twitter_status_array($n);
$this->show_twitter_xml_status($twitter_status);
}
} else {
while ($notice->fetch()) {
$twitter_status = $this->twitter_status_array($notice);
$this->show_twitter_xml_status($twitter_status);
}
}
common_element_end('statuses');
common_end_xml();
}
function show_rss_timeline($notice, $title, $id, $link, $subtitle) {
header("Content-Type: application/rss+xml; charset=utf-8");
$this->init_twitter_rss();
common_element_start('channel');
common_element('title', NULL, $title);
common_element('link', NULL, $link);
common_element('description', NULL, $subtitle);
common_element('language', NULL, 'en-us');
common_element('ttl', NULL, '40');
if (is_array($notice)) {
foreach ($notice as $n) {
$entry = $this->twitter_rss_entry_array($n);
$this->show_twitter_rss_item($entry);
}
} else {
while ($notice->fetch()) {
$entry = $this->twitter_rss_entry_array($notice);
$this->show_twitter_rss_item($entry);
}
}
common_element_end('channel');
$this->end_twitter_rss();
}
function show_atom_timeline($notice, $title, $id, $link, $subtitle=NULL) {
header('Content-Type: application/atom+xml; charset=utf-8');
$this->init_twitter_atom();
common_element('title', NULL, $title);
common_element('id', NULL, $id);
common_element('link', array('href' => $link, 'rel' => 'alternate', 'type' => 'text/html'), NULL);
common_element('subtitle', NULL, $subtitle);
if (is_array($notice)) {
foreach ($notice as $n) {
$entry = $this->twitter_rss_entry_array($n);
$this->show_twitter_atom_entry($entry);
}
} else {
while ($notice->fetch()) {
$entry = $this->twitter_rss_entry_array($notice);
$this->show_twitter_atom_entry($entry);
}
}
$this->end_twitter_atom();
}
function show_json_timeline($notice) {
header('Content-Type: application/json; charset=utf-8');
$statuses = array();
if (is_array($notice)) {
foreach ($notice as $n) {
$twitter_status = $this->twitter_status_array($n);
array_push($statuses, $twitter_status);
}
} else {
while ($notice->fetch()) {
$twitter_status = $this->twitter_status_array($notice);
array_push($statuses, $twitter_status);
}
}
$this->show_twitter_json_statuses($statuses);
}
/*
Returns the 20 most recent statuses posted by the authenticating user and that user's friends.
This is the equivalent of /home on the Web.
URL: http://server/api/statuses/friends_timeline.format
Parameters:
* since. Optional. Narrows the returned results to just those statuses created after the specified
HTTP-formatted date. The same behavior is available by setting an If-Modified-Since header in
your HTTP request.
Ex: http://server/api/statuses/friends_timeline.rss?since=Tue%2C+27+Mar+2007+22%3A55%3A48+GMT
* since_id. Optional. Returns only statuses with an ID greater than (that is, more recent than)
the specified ID. Ex: http://server/api/statuses/friends_timeline.xml?since_id=12345
* count. Optional. Specifies the number of statuses to retrieve. May not be greater than 200.
Ex: http://server/api/statuses/friends_timeline.xml?count=5
* page. Optional. Ex: http://server/api/statuses/friends_timeline.rss?page=3
Formats: xml, json, rss, atom
*/
function friends_timeline($args, $apidata) {
parent::handle($args);
$since = $this->arg('since');
$since_id = $this->arg('since_id');
$count = $this->arg('count');
$page = $this->arg('page');
if (!$page) {
$page = 1;
}
if (!$count) {
$count = 20;
}
$user = $this->get_user($id, $apidata);
$profile = $user->getProfile();
$sitename = common_config('site', 'name');
$siteserver = common_config('site', 'server');
$title = sprintf(_("%s and friends"), $user->nickname);
$id = "tag:$siteserver:friends:".$user->id;
$link = common_local_url('all', array('nickname' => $user->nickname));
$subtitle = sprintf(_("Updates from %s and friends on %s!"), $user->nickname, $sitename);
$notice = new Notice();
# XXX: chokety and bad
$notice->whereAdd('EXISTS (SELECT subscribed from subscription where subscriber = '.$profile->id.' and subscribed = notice.profile_id)', 'OR');
$notice->whereAdd('profile_id = ' . $profile->id, 'OR');
# XXX: since
# XXX: since_id
$notice->orderBy('created DESC, notice.id DESC');
$notice->limit((($page-1)*20), $count);
$cnt = $notice->find();
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_timeline($notice);
break;
case 'rss':
$this->show_rss_timeline($notice, $title, $id, $link, $subtitle);
break;
case 'atom':
$this->show_atom_timeline($notice, $title, $id, $link, $subtitle);
break;
case 'json':
$this->show_json_timeline($notice);
break;
default:
common_user_error("API method not found!", $code = 404);
}
exit();
}
/*
Returns the 20 most recent statuses posted from the authenticating user. It's also possible to
request another user's timeline via the id parameter below. This is the equivalent of the Web
/archive page for your own user, or the profile page for a third party.
URL: http://server/api/statuses/user_timeline.format
Formats: xml, json, rss, atom
Parameters:
* id. Optional. Specifies the ID or screen name of the user for whom to return the
friends_timeline. Ex: http://server/api/statuses/user_timeline/12345.xml or
http://server/api/statuses/user_timeline/bob.json.
* count. Optional. Specifies the number of
statuses to retrieve. May not be greater than 200. Ex:
http://server/api/statuses/user_timeline.xml?count=5
* since. Optional. Narrows the returned
results to just those statuses created after the specified HTTP-formatted date. The same
behavior is available by setting an If-Modified-Since header in your HTTP request. Ex:
http://server/api/statuses/user_timeline.rss?since=Tue%2C+27+Mar+2007+22%3A55%3A48+GMT
* since_id. Optional. Returns only statuses with an ID greater than (that is, more recent than)
the specified ID. Ex: http://server/api/statuses/user_timeline.xml?since_id=12345 * page.
Optional. Ex: http://server/api/statuses/friends_timeline.rss?page=3
*/
function user_timeline($args, $apidata) {
parent::handle($args);
$user = null;
// function was called with an argument /statuses/user_timeline/api_arg.format
if (isset($apidata['api_arg'])) {
if (is_numeric($apidata['api_arg'])) {
$user = User::staticGet($apidata['api_arg']);
} else {
$nickname = common_canonical_nickname($apidata['api_arg']);
$user = User::staticGet('nickname', $nickname);
}
} else {
// if no user was specified, then we'll use the authenticated user
$user = $apidata['user'];
}
if (!$user) {
// Set the user to be the auth user if asked-for can't be found
// honestly! This is what Twitter does, I swear --Zach
$user = $apidata['user'];
}
$profile = $user->getProfile();
if (!$profile) {
common_server_error(_('User has no profile.'));
return;
}
$count = $this->arg('count');
$since = $this->arg('since');
$since_id = $this->arg('since_id');
if (!$page) {
$page = 1;
}
if (!$count) {
$count = 20;
}
$sitename = common_config('site', 'name');
$siteserver = common_config('site', 'server');
$title = sprintf(_("%s timeline"), $user->nickname);
$id = "tag:$siteserver:user:".$user->id;
$link = common_local_url('showstream', array('nickname' => $user->nickname));
$subtitle = sprintf(_("Updates from %s on %s!"), $user->nickname, $sitename);
$notice = new Notice();
$notice->profile_id = $user->id;
# XXX: since
# XXX: since_id
$notice->orderBy('created DESC, notice.id DESC');
$notice->limit((($page-1)*20), $count);
$cnt = $notice->find();
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_timeline($notice);
break;
case 'rss':
$this->show_rss_timeline($notice, $title, $id, $link, $subtitle);
break;
case 'atom':
$this->show_atom_timeline($notice, $title, $id, $link, $subtitle);
break;
case 'json':
$this->show_json_timeline($notice);
break;
default:
common_user_error("API method not found!", $code = 404);
}
exit();
}
function show($args, $apidata) {
parent::handle($args);
$id = $apidata['api_arg'];
$notice = Notice::staticGet($id);
if ($notice) {
if ($apidata['content-type'] == 'xml') {
$this->show_single_xml_status($notice);
} elseif ($apidata['content-type'] == 'json') {
$this->show_single_json_status($notice);
}
} else {
header('HTTP/1.1 404 Not Found');
}
exit();
}
function show_single_xml_status($notice) {
header('Content-Type: application/xml; charset=utf-8');
common_start_xml();
$twitter_status = $this->twitter_status_array($notice);
$this->show_twitter_xml_status($twitter_status);
common_end_xml();
exit();
}
function show_single_json_status($notice) {
header('Content-Type: application/json; charset=utf-8');
$status = $this->twitter_status_array($notice);
$this->show_twitter_json_statuses($status);
exit();
}
function update($args, $apidata) {
parent::handle($args);
$user = $apidata['user'];
$notice = DB_DataObject::factory('notice');
$notice->profile_id = $user->id; # user id *is* profile id
$notice->created = DB_DataObject_Cast::dateTime();
$notice->content = $this->trimmed('status');
if (!$notice->content) {
// XXX: Note: In this case, Twitter simply returns '200 OK'
// No error is given, but the status is not posted to the
// user's timeline. Seems bad. Shouldn't we throw an
// errror? -- Zach
exit();
} else if (strlen($notice->content) > 140) {
// XXX: Twitter truncates anything over 140, flags the status
// as "truncated." Sending this error may screw up some clients
// that assume Twitter will truncate for them. Should we just
// truncate too? -- Zach
header('HTTP/1.1 406 Not Acceptable');
print "That's too long. Max notice size is 140 chars.\n";
exit();
}
$notice->rendered = common_render_content($notice->content, $notice);
$id = $notice->insert();
if (!$id) {
common_server_error('Could not update status!', 500);
exit();
}
$orig = clone($notice);
$notice->uri = common_notice_uri($notice);
if (!$notice->update($orig)) {
common_server_error('Could not save status!', 500);
exit();
}
common_save_replies($notice);
common_broadcast_notice($notice);
// FIXME: Bad Hack
// I should be able to just sent this notice off for display,
// but $notice->created does not contain a string at this
// point and I don't know how to convert it to one here. So
// I'm forced to have DBObject pull the notice back out of the
// DB before printing. --Zach
$apidata['api_arg'] = $id;
$this->show($args, $apidata);
exit();
}
/*
Returns the 20 most recent @replies (status updates prefixed with @username) for the authenticating user.
URL: http://server/api/statuses/replies.format
Formats: xml, json, rss, atom
Parameters:
* page. Optional. Retrieves the 20 next most recent replies. Ex: http://server/api/statuses/replies.xml?page=3
* since. Optional. Narrows the returned results to just those replies created after the specified HTTP-formatted date. The
same behavior is available by setting an If-Modified-Since header in your HTTP request. Ex:
http://server/api/statuses/replies.xml?since=Tue%2C+27+Mar+2007+22%3A55%3A48+GMT
* since_id. Optional. Returns only statuses with an ID greater than (that is, more recent than) the specified
ID. Ex: http://server/api/statuses/replies.xml?since_id=12345
*/
function replies($args, $apidata) {
parent::handle($args);
$since = $this->arg('since');
$count = $this->arg('count');
$page = $this->arg('page');
$user = $apidata['user'];
$profile = $user->getProfile();
$sitename = common_config('site', 'name');
$siteserver = common_config('site', 'server');
$title = sprintf(_("%s / Updates replying to %s"), $sitename, $user->nickname);
$id = "tag:$siteserver:replies:".$user->id;
$link = common_local_url('replies', array('nickname' => $user->nickname));
$subtitle = "gar";
$subtitle = sprintf(_("%s updates that reply to updates from %s / %s."), $sitename, $user->nickname, $profile->getBestName());
if (!$page) {
$page = 1;
}
if (!$count) {
$count = 20;
}
$reply = new Reply();
$reply->profile_id = $user->id;
$reply->orderBy('modified DESC');
$page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
$reply->limit((($page-1)*20), $count);
$cnt = $reply->find();
$notices = array();
if ($cnt) {
while ($reply->fetch()) {
$notice = new Notice();
$notice->id = $reply->notice_id;
$result = $notice->find(true);
if (!$result) {
continue;
}
$notices[] = clone($notice);
}
}
switch($apidata['content-type']) {
case 'xml':
$this->show_xml_timeline($notices);
break;
case 'rss':
$this->show_rss_timeline($notices, $title, $id, $link, $subtitle);
break;
case 'atom':
$this->show_atom_timeline($notices, $title, $id, $link, $subtitle);
break;
case 'json':
$this->show_json_timeline($notices);
break;
default:
common_user_error("API method not found!", $code = 404);
}
exit();
}
/*
Destroys the status specified by the required ID parameter. The authenticating user must be
the author of the specified status.
URL: http://server/api/statuses/destroy/id.format
Formats: xml, json
Parameters:
* id. Required. The ID of the status to destroy. Ex:
http://server/api/statuses/destroy/12345.json or
http://server/api/statuses/destroy/23456.xml
*/
function destroy($args, $apidata) {
parent::handle($args);
common_server_error("API method under construction.", $code=501);
}
# User Methods
/*
Returns up to 100 of the authenticating user's friends who have most recently updated, each with current status inline.
It's also possible to request another user's recent friends list via the id parameter below.
URL: http://server/api/statuses/friends.format
Formats: xml, json
Parameters:
* id. Optional. The ID or screen name of the user for whom to request a list of friends. Ex:
http://server/api/statuses/friends/12345.json
or
http://server/api/statuses/friends/bob.xml
* page. Optional. Retrieves the next 100 friends. Ex: http://server/api/statuses/friends.xml?page=2
* lite. Optional. Prevents the inline inclusion of current status. Must be set to a value of true. Ex:
http://server/api/statuses/friends.xml?lite=true
* since. Optional. Narrows the returned results to just those friendships created after the specified
HTTP-formatted date. The same behavior is available by setting an If-Modified-Since header in your HTTP
request. Ex: http://server/api/statuses/friends.xml?since=Tue%2C+27+Mar+2007+22%3A55%3A48+GMT
*/
function friends($args, $apidata) {
parent::handle($args);
common_server_error("API method under construction.", $code=501);
}
/*
Returns the authenticating user's followers, each with current status inline. They are ordered by the
order in which they joined Twitter (this is going to be changed).
URL: http://server/api/statuses/followers.format
Formats: xml, json
Parameters:
* id. Optional. The ID or screen name of the user for whom to request a list of followers. Ex:
http://server/api/statuses/followers/12345.json
or
http://server/api/statuses/followers/bob.xml
* page. Optional. Retrieves the next 100 followers. Ex: http://server/api/statuses/followers.xml?page=2
* lite. Optional. Prevents the inline inclusion of current status. Must be set to a value of true.
Ex: http://server/api/statuses/followers.xml?lite=true
*/
function followers($args, $apidata) {
parent::handle($args);
$user = null;
// function was called with an argument /statuses/user_timeline/api_arg.format
if (isset($apidata['api_arg'])) {
if (is_numeric($apidata['api_arg'])) {
$user = User::staticGet($apidata['api_arg']);
} else {
$nickname = common_canonical_nickname($apidata['api_arg']);
$user = User::staticGet('nickname', $nickname);
}
} else {
// if no user was specified, then we'll use the authenticated user
$user = $apidata['user'];
}
if (!$user) {
// Set the user to be the auth user if asked-for can't be found
// honestly! This is what Twitter does, I swear --Zach
$user = $apidata['user'];
}
$profile = $user->getProfile();
if (!$profile) {
common_server_error(_('User has no profile.'));
return;
}
if (!$page) {
$page = 1;
}
$sub = new Subscription();
$sub->subscribed = $profile->id;
$sub->orderBy('created DESC');
$followers = array();
if ($sub->find()) {
while ($sub->fetch()) {
$other = null;
if ($sub->token) {
$other = Remote_profile::staticGet('id', $sub->subscriber);
} else {
$other = User::staticGet('id', $sub->subscriber);
}
if (!$other) {
common_debug('Got a bad subscription: '.print_r($sub,TRUE));
continue;
}
$notice = DB_DataObject::factory('notice');
$notice->whereAdd('profile_id = ' . $other->id);
$notice->orderBy('created DESC, notice.id DESC');
$notice->limit(1);
$notice->find();
if ($notice->fetch()) {
$follower = array($other, $notice);
} else {
$follower = array($other, "");
}
array_push($followers, $follower);
}
} else {
// user has no followers
}
foreach ($followers as $follower) {
//
}
exit();
}
/*
Returns a list of the users currently featured on the site with their current statuses inline.
URL: http://server/api/statuses/featured.format
Formats: xml, json
*/
function featured($args, $apidata) {
parent::handle($args);
common_server_error("API method under construction.", $code=501);
}
function get_user($id, $apidata) {
if (!$id) {
return $apidata['user'];
} else if (is_numeric($id)) {
return User::staticGet($id);
} else {
return User::staticGet('nickname', $id);
}
}
}
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